1af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron/* 2af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * gfio - gui front end for fio - the flexible io tester 3af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * 43c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe * Copyright (C) 2012 Stephen M. Cameron <stephenmcameron@gmail.com> 5af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * 6af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * The license below covers all files distributed with fio unless otherwise 7af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * noted in the file itself. 8af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * 9af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * This program is free software; you can redistribute it and/or modify 10af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * it under the terms of the GNU General Public License version 2 as 11af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * published by the Free Software Foundation. 12af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * 13af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * This program is distributed in the hope that it will be useful, 14af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * but WITHOUT ANY WARRANTY; without even the implied warranty of 15af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * GNU General Public License for more details. 17af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * 18af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * You should have received a copy of the GNU General Public License 19af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * along with this program; if not, write to the Free Software 20af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * 22af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron */ 23af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron#include <string.h> 24af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron#include <malloc.h> 25af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron#include <math.h> 26af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron#include <assert.h> 2793e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe#include <stdlib.h> 28af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 29af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron#include <cairo.h> 30af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron#include <gtk/gtk.h> 31af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 32af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron#include "tickmarks.h" 3309ad20ff60eb8c11edf407c4060062dae187f5e7Stephen M. Cameron#include "graph.h" 34b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe#include "flist.h" 35b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe#include "lib/prio_tree.h" 36ee2f55b2ab5195c0d7ce7e8f09212ff826ab2751Stephen M. Cameron#include "cairo_text_helpers.h" 37b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 38b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe/* 39b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe * Allowable difference to show tooltip 40b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe */ 41b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe#define TOOLTIP_DELTA 0.08 42af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 43af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstruct xyvalue { 44af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double x, y; 45af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron}; 46af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 47cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboeenum { 48cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe GV_F_ON_PRIO = 1, 498dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe GV_F_PRIO_SKIP = 2, 50cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe}; 51cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 52af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstruct graph_value { 53cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head list; 54b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe struct prio_tree_node node; 55cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head alias; 56cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe unsigned int flags; 5793e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe char *tooltip; 58af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron void *value; 59af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron}; 60af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 61af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstruct graph_label { 62cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head list; 63af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron char *label; 64cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head value_list; 65b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe struct prio_tree_root prio_tree; 66af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double r, g, b; 6701a947f067b1a03add33e645ece73ac19d8257ddJens Axboe int hide; 68af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron int value_count; 69af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph *parent; 70af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron}; 71af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 72b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboestruct tick_value { 73b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe unsigned int offset; 74b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double value; 75b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe}; 76b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 77af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstruct graph { 78af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron char *title; 79af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron char *xtitle; 80af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron char *ytitle; 8187d5f276b14f42b09062d499ebb3f524e3aa86f3Jens Axboe unsigned int xdim, ydim; 8257f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameron double xoffset, yoffset; 83cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head label_list; 84af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron int per_label_limit; 85f3e8440f75f98ced28cdd19ba785718e734cf7c5Jens Axboe const char *font; 867175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron graph_axis_unit_change_callback x_axis_unit_change_callback; 877175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron graph_axis_unit_change_callback y_axis_unit_change_callback; 88d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe unsigned int base_offset; 8901a947f067b1a03add33e645ece73ac19d8257ddJens Axboe unsigned int dont_graph_all_zeroes; 903c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe double left_extra; 913c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe double right_extra; 923c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe double top_extra; 933c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe double bottom_extra; 94b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 95b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double xtick_zero; 96b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double xtick_delta; 97b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double xtick_zero_val; 98b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe double xtick_one_val; 99b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double ytick_zero; 100b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double ytick_delta; 101b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double ytick_zero_val; 102b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe double ytick_one_val; 103af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron}; 104af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 1053ea48b883bcac5ad0c119205805b741af45427e3Stephen M. Cameronvoid graph_set_size(struct graph *g, unsigned int xdim, unsigned int ydim) 1063ea48b883bcac5ad0c119205805b741af45427e3Stephen M. Cameron{ 1073ea48b883bcac5ad0c119205805b741af45427e3Stephen M. Cameron g->xdim = xdim; 1083ea48b883bcac5ad0c119205805b741af45427e3Stephen M. Cameron g->ydim = ydim; 1093ea48b883bcac5ad0c119205805b741af45427e3Stephen M. Cameron} 1103ea48b883bcac5ad0c119205805b741af45427e3Stephen M. Cameron 11157f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameronvoid graph_set_position(struct graph *g, double xoffset, double yoffset) 11257f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameron{ 11357f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameron g->xoffset = xoffset; 11457f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameron g->yoffset = yoffset; 11557f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameron} 11657f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameron 117f3e8440f75f98ced28cdd19ba785718e734cf7c5Jens Axboestruct graph *graph_new(unsigned int xdim, unsigned int ydim, const char *font) 118af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 119af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph *g; 120af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 121af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron g = calloc(1, sizeof(*g)); 122cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe INIT_FLIST_HEAD(&g->label_list); 1233ea48b883bcac5ad0c119205805b741af45427e3Stephen M. Cameron graph_set_size(g, xdim, ydim); 124af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron g->per_label_limit = -1; 125f3e8440f75f98ced28cdd19ba785718e734cf7c5Jens Axboe g->font = font; 126f3e8440f75f98ced28cdd19ba785718e734cf7c5Jens Axboe if (!g->font) 127a1e7972d96ce1482aa43c2fcafd81d6c7f3c44d2Jens Axboe g->font = GRAPH_DEFAULT_FONT; 128af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return g; 129af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 130af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 131a1e7972d96ce1482aa43c2fcafd81d6c7f3c44d2Jens Axboevoid graph_set_font(struct graph *g, const char *font) 132a1e7972d96ce1482aa43c2fcafd81d6c7f3c44d2Jens Axboe{ 133a1e7972d96ce1482aa43c2fcafd81d6c7f3c44d2Jens Axboe g->font = font; 134a1e7972d96ce1482aa43c2fcafd81d6c7f3c44d2Jens Axboe} 135a1e7972d96ce1482aa43c2fcafd81d6c7f3c44d2Jens Axboe 1367175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameronvoid graph_x_axis_unit_change_notify(struct graph *g, graph_axis_unit_change_callback f) 1377175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron{ 1387175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron g->x_axis_unit_change_callback = f; 1397175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron} 1407175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron 1417175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameronvoid graph_y_axis_unit_change_notify(struct graph *g, graph_axis_unit_change_callback f) 1427175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron{ 1437175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron g->y_axis_unit_change_callback = f; 1447175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron} 1457175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron 146cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic int count_labels(struct graph *g) 147af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 148cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 149af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron int count = 0; 150af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 151cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &g->label_list) 152af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron count++; 153cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 154af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return count; 155af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 156af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 157cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic int count_values(struct graph_label *l) 158af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 159cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 160af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron int count = 0; 161af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 162cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &l->value_list) 163af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron count++; 164cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 165af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return count; 166af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 167af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 168af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Camerontypedef double (*double_comparator)(double a, double b); 169af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 170af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic double mindouble(double a, double b) 171af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 172af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return a < b ? a : b; 173af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 174af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 175af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic double maxdouble(double a, double b) 176af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 177af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return a < b ? b : a; 178af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 179af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 180cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic double find_double_values(struct graph_label *l, double_comparator cmp) 181af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 182cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 1834aaefbfa2b7a7a70ff6c6851dc3cee01b5993149Jens Axboe double answer = 0.0, tmp; 184cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe int first = 1; 185af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 18601a947f067b1a03add33e645ece73ac19d8257ddJens Axboe if (flist_empty(&l->value_list)) 18701a947f067b1a03add33e645ece73ac19d8257ddJens Axboe return 0.0; 18801a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 189cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &l->value_list) { 190cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct graph_value *i; 191cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 192cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(entry, struct graph_value, list); 193cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe tmp = *(double *) i->value; 194af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron if (first) { 195af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron answer = tmp; 196af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron first = 0; 197af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } else { 198af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron answer = cmp(answer, tmp); 199af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 200af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 201af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return answer; 202af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 203af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 204cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic double find_double_data(struct graph *g, double_comparator cmp) 205af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 206cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 207af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_label *i; 208af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron int first = 1; 209af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double answer, tmp; 210af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 21101a947f067b1a03add33e645ece73ac19d8257ddJens Axboe if (flist_empty(&g->label_list)) 21201a947f067b1a03add33e645ece73ac19d8257ddJens Axboe return 0.0; 21301a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 214cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &g->label_list) { 215cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(entry, struct graph_label, list); 216cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe tmp = find_double_values(i, cmp); 217af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron if (first) { 218af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron answer = tmp; 219af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron first = 0; 220af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } else { 221af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron answer = cmp(tmp, answer); 222af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 223af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 224af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return answer; 225af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 226af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 227cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic double find_min_data(struct graph *g) 228af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 229cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe return find_double_data(g, mindouble); 230af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 231af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 232cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic double find_max_data(struct graph *g) 233af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 234cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe return find_double_data(g, maxdouble); 235af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 236af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 237af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic void draw_bars(struct graph *bg, cairo_t *cr, struct graph_label *lb, 238af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double label_offset, double bar_width, 239af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double mindata, double maxdata) 240af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 241cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 242af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double x1, y1, x2, y2; 243af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron int bar_num = 0; 244af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double domain, range, v; 245af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 246af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron domain = (maxdata - mindata); 247af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron range = (double) bg->ydim * 0.80; /* FIXME */ 248af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 249cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &lb->value_list) { 250cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct graph_value *i; 251cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 252cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(entry, struct graph_value, list); 253af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 254af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron x1 = label_offset + (double) bar_num * bar_width + (bar_width * 0.05); 255af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron x2 = x1 + bar_width * 0.90; 256af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron y2 = bg->ydim * 0.90; 257af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron v = *(double *) i->value; 258af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron y1 = y2 - (((v - mindata) / domain) * range); 259af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_move_to(cr, x1, y1); 260af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, x1, y2); 261af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, x2, y2); 262af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, x2, y1); 263af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_close_path(cr); 264af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_fill(cr); 265af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 2663c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe bar_num++; 267af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 268af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 269af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 270f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboestatic void graph_draw_common(struct graph *g, cairo_t *cr, double *x1, 271f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe double *y1, double *x2, double *y2) 272af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 273f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe const double shade_col[3][3] = { { 0.55, 0.54, 0.54 }, 274f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe { 0.80, 0.78, 0.78 }, 275f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe { 0.93, 0.91, 0.91 } }; 276f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe int i; 277af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 2783c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe *x1 = 0.10 * g->xdim; 2796bf860089760c72ea22bc74e929080c15cd4c835Stephen M. Cameron *x2 = 0.95 * g->xdim; 2803c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe *y1 = 0.10 * g->ydim; 2816bf860089760c72ea22bc74e929080c15cd4c835Stephen M. Cameron *y2 = 0.90 * g->ydim; 282af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 283f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe /* 284f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe * Add shade 285f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe */ 286f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe cairo_set_line_width(cr, 1.0); 287f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe for (i = 0; i < 3; i++) { 288f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe float offset = i + 1.0; 289f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe 290f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe cairo_set_source_rgb(cr, shade_col[i][0], shade_col[i][1], shade_col[i][2]); 291f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe cairo_move_to(cr, offset + *x1, *y1 - offset); 292f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe cairo_line_to(cr, *x2 + offset, *y1 - offset); 293f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe cairo_line_to(cr, *x2 + offset, *y2 - offset); 294f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe cairo_stroke(cr); 295f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe } 296f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe 297f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe cairo_set_source_rgb(cr, 0, 0, 0); 298f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe cairo_set_line_width(cr, 1.2); 299f3a3176b359554ffe5e67bfcd5e63dbb1aa830b2Jens Axboe 300af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_move_to(cr, *x1, *y1); 301af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, *x1, *y2); 302af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, *x2, *y2); 303af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, *x2, *y1); 304af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, *x1, *y1); 305af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 306af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 307ee2f55b2ab5195c0d7ce7e8f09212ff826ab2751Stephen M. Cameron draw_centered_text(cr, g->font, g->xdim / 2, g->ydim / 20, 20.0, g->title); 308ee2f55b2ab5195c0d7ce7e8f09212ff826ab2751Stephen M. Cameron draw_centered_text(cr, g->font, g->xdim / 2, g->ydim * 0.97, 14.0, g->xtitle); 309ee2f55b2ab5195c0d7ce7e8f09212ff826ab2751Stephen M. Cameron draw_vertical_centered_text(cr, g->font, g->xdim * 0.02, g->ydim / 2, 14.0, g->ytitle); 310af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 311af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 312af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 313af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic void graph_draw_x_ticks(struct graph *g, cairo_t *cr, 314af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double x1, double y1, double x2, double y2, 315d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe double minx, double maxx, int nticks, int add_tm_text) 316af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 317af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct tickmark *tm; 318af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double tx; 3197175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron int i, power_of_ten; 320af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron static double dash[] = { 1.0, 2.0 }; 321af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 3227175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron nticks = calc_tickmarks(minx, maxx, nticks, &tm, &power_of_ten, 323d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe g->x_axis_unit_change_callback == NULL, g->base_offset); 3247175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron if (g->x_axis_unit_change_callback) 3257175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron g->x_axis_unit_change_callback(g, power_of_ten); 326af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 327af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron for (i = 0; i < nticks; i++) { 328af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron tx = (((tm[i].value) - minx) / (maxx - minx)) * (x2 - x1) + x1; 329d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe 330b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe /* 331b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe * Update tick delta 332b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe */ 333b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe if (!i) { 334b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe g->xtick_zero = tx; 335b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe g->xtick_zero_val = tm[0].value; 336b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe } else if (i == 1) { 337b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe g->xtick_delta = (tm[1].value - tm[0].value) / (tx - g->xtick_zero); 338b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe g->xtick_one_val = tm[1].value; 339b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe } 340b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 341d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe /* really tx < yx || tx > x2, but protect against rounding */ 342d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe if (x1 - tx > 0.01 || tx - x2 > 0.01) 343af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron continue; 344af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 345af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron /* Draw tick mark */ 3466bc821bd8647de03b9f365160fc3d492dc6a54bdJens Axboe cairo_set_line_width(cr, 1.0); 347af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_move_to(cr, tx, y2); 348af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, tx, y2 + (y2 - y1) * 0.03); 349af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 350af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 351af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron /* draw grid lines */ 352af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_save(cr); 3536bc821bd8647de03b9f365160fc3d492dc6a54bdJens Axboe cairo_set_dash(cr, dash, 2, 0.66); 3546bc821bd8647de03b9f365160fc3d492dc6a54bdJens Axboe cairo_set_line_width(cr, 0.33); 355af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_move_to(cr, tx, y1); 356af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, tx, y2); 357af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 358af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_restore(cr); 359af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 360d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe if (!add_tm_text) 361d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe continue; 362d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe 363af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron /* draw tickmark label */ 364ee2f55b2ab5195c0d7ce7e8f09212ff826ab2751Stephen M. Cameron draw_centered_text(cr, g->font, tx, y2 * 1.04, 12.0, tm[i].string); 365af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 366af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 367af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 368af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 369d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboestatic double graph_draw_y_ticks(struct graph *g, cairo_t *cr, 370af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double x1, double y1, double x2, double y2, 371d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe double miny, double maxy, int nticks, int add_tm_text) 372af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 373af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct tickmark *tm; 374af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double ty; 3757175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron int i, power_of_ten; 3766bc821bd8647de03b9f365160fc3d492dc6a54bdJens Axboe static double dash[] = { 1.0, 2.0 }; 377af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 3787175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron nticks = calc_tickmarks(miny, maxy, nticks, &tm, &power_of_ten, 379d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe g->y_axis_unit_change_callback == NULL, g->base_offset); 3807175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron if (g->y_axis_unit_change_callback) 3817175d91deff20b1408450c231b2b445ea28f7f29Stephen M. Cameron g->y_axis_unit_change_callback(g, power_of_ten); 382af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 383d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe /* 384d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe * Use highest tickmark as top of graph, not highest value. Otherwise 385d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe * it's impossible to see what the max value is, if the graph is 386d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe * fairly flat. 387d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe */ 388d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe maxy = tm[nticks - 1].value; 389d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe 390af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron for (i = 0; i < nticks; i++) { 391af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron ty = y2 - (((tm[i].value) - miny) / (maxy - miny)) * (y2 - y1); 392d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe 393b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe /* 394b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe * Update tick delta 395b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe */ 396b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe if (!i) { 397b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe g->ytick_zero = ty; 398b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe g->ytick_zero_val = tm[0].value; 399b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe } else if (i == 1) { 400b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe g->ytick_delta = (tm[1].value - tm[0].value) / (ty - g->ytick_zero); 401b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe g->ytick_one_val = tm[1].value; 402b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe } 403b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 404d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe /* really ty < y1 || ty > y2, but protect against rounding */ 405d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe if (y1 - ty > 0.01 || ty - y2 > 0.01) 406af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron continue; 407d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe 408af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron /* draw tick mark */ 409af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_move_to(cr, x1, ty); 410af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, x1 - (x2 - x1) * 0.02, ty); 411af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 412af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 413af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron /* draw grid lines */ 414af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_save(cr); 4156bc821bd8647de03b9f365160fc3d492dc6a54bdJens Axboe cairo_set_dash(cr, dash, 2, 0.66); 4166bc821bd8647de03b9f365160fc3d492dc6a54bdJens Axboe cairo_set_line_width(cr, 0.33); 417af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_move_to(cr, x1, ty); 418af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, x2, ty); 419af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 420af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_restore(cr); 421af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 422d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe if (!add_tm_text) 423d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe continue; 424d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe 425af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron /* draw tickmark label */ 426ee2f55b2ab5195c0d7ce7e8f09212ff826ab2751Stephen M. Cameron draw_right_justified_text(cr, g->font, x1 - (x2 - x1) * 0.025, ty, 12.0, tm[i].string); 427af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 428af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 429d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe 430d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe /* 431d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe * Return new max to use 432d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe */ 433d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe return maxy; 434af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 435af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 436af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronvoid bar_graph_draw(struct graph *bg, cairo_t *cr) 437af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 438af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double x1, y1, x2, y2; 439af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double space_per_label, bar_width; 440af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double label_offset, mindata, maxdata; 441af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron int i, nlabels; 442af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_label *lb; 443cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 444af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 445af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_save(cr); 44657f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameron cairo_translate(cr, bg->xoffset, bg->yoffset); 447af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron graph_draw_common(bg, cr, &x1, &y1, &x2, &y2); 448af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 449cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe nlabels = count_labels(bg); 450d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe space_per_label = (x2 - x1) / (double) nlabels; 451af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 452bb39379fa3eb5e5c42c68e2e146561c49e3309f2Jens Axboe /* 453bb39379fa3eb5e5c42c68e2e146561c49e3309f2Jens Axboe * Start bars at 0 unless we have negative values, otherwise we 454bb39379fa3eb5e5c42c68e2e146561c49e3309f2Jens Axboe * present a skewed picture comparing label X and X+1. 455bb39379fa3eb5e5c42c68e2e146561c49e3309f2Jens Axboe */ 456cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe mindata = find_min_data(bg); 457bb39379fa3eb5e5c42c68e2e146561c49e3309f2Jens Axboe if (mindata > 0) 458bb39379fa3eb5e5c42c68e2e146561c49e3309f2Jens Axboe mindata = 0; 459bb39379fa3eb5e5c42c68e2e146561c49e3309f2Jens Axboe 460cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe maxdata = find_max_data(bg); 461af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 462af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron if (fabs(maxdata - mindata) < 1e-20) { 463ee2f55b2ab5195c0d7ce7e8f09212ff826ab2751Stephen M. Cameron draw_centered_text(cr, bg->font, 464af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron x1 + (x2 - x1) / 2.0, 465af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron y1 + (y2 - y1) / 2.0, 20.0, "No good data"); 466af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return; 467af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 468af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 469bb39379fa3eb5e5c42c68e2e146561c49e3309f2Jens Axboe maxdata = graph_draw_y_ticks(bg, cr, x1, y1, x2, y2, mindata, maxdata, 10, 1); 470af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron i = 0; 471cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &bg->label_list) { 472af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron int nvalues; 473cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 474cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe lb = flist_entry(entry, struct graph_label, list); 475cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe nvalues = count_values(lb); 476af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron bar_width = (space_per_label - space_per_label * 0.2) / (double) nvalues; 477af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron label_offset = bg->xdim * 0.1 + space_per_label * (double) i + space_per_label * 0.1; 478af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron draw_bars(bg, cr, lb, label_offset, bar_width, mindata, maxdata); 479af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron // draw_centered_text(cr, label_offset + (bar_width / 2.0 + bar_width * 0.1), bg->ydim * 0.93, 480ee2f55b2ab5195c0d7ce7e8f09212ff826ab2751Stephen M. Cameron draw_centered_text(cr, bg->font, x1 + space_per_label * (i + 0.5), bg->ydim * 0.93, 4813c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe 12.0, lb->label); 482af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron i++; 483af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 484af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 485af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_restore(cr); 486af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 487af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 488af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Camerontypedef double (*xy_value_extractor)(struct graph_value *v); 489af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 490af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic double getx(struct graph_value *v) 491af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 492af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct xyvalue *xy = v->value; 493af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return xy->x; 494af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 495af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 496af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic double gety(struct graph_value *v) 497af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 498af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct xyvalue *xy = v->value; 499af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return xy->y; 500af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 501af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 502af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic double find_xy_value(struct graph *g, xy_value_extractor getvalue, double_comparator cmp) 503af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 50410e54cdcc78dc173ee5ce4ee20cfd4f5fef97173Stephen M. Cameron double tmp, answer = 0.0; 505af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_label *i; 506af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_value *j; 507cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *jentry, *entry; 508d582bf70449c1ebbd96f9afa3b2e37dcc7dfb11fStephen M. Cameron int first = 1; 509af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 510cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &g->label_list) { 511cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(entry, struct graph_label, list); 512cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 513cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(jentry, &i->value_list) { 514cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe j = flist_entry(jentry, struct graph_value, list); 515af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron tmp = getvalue(j); 516d582bf70449c1ebbd96f9afa3b2e37dcc7dfb11fStephen M. Cameron if (first) { 517d582bf70449c1ebbd96f9afa3b2e37dcc7dfb11fStephen M. Cameron first = 0; 518d582bf70449c1ebbd96f9afa3b2e37dcc7dfb11fStephen M. Cameron answer = tmp; 519d582bf70449c1ebbd96f9afa3b2e37dcc7dfb11fStephen M. Cameron } 5203c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe answer = cmp(tmp, answer); 521af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 522cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe } 523cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 524af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return answer; 52501a947f067b1a03add33e645ece73ac19d8257ddJens Axboe} 526af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 527af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronvoid line_graph_draw(struct graph *g, cairo_t *cr) 528af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 529af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double x1, y1, x2, y2; 530def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron double minx, miny, maxx, maxy, gminx, gminy, gmaxx, gmaxy; 531def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron double tx, ty, top_extra, bottom_extra, left_extra, right_extra; 532af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_label *i; 533af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_value *j; 5349ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron int good_data = 1, first = 1; 535cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry, *lentry; 536af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 537af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_save(cr); 53857f9d28e010b52fea5f41245e8fcb998367d3bcdStephen M. Cameron cairo_translate(cr, g->xoffset, g->yoffset); 539af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron graph_draw_common(g, cr, &x1, &y1, &x2, &y2); 540af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 541af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron minx = find_xy_value(g, getx, mindouble); 542af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron maxx = find_xy_value(g, getx, maxdouble); 543af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron miny = find_xy_value(g, gety, mindouble); 5445aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe 5455aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe /* 5465aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe * Start graphs at zero, unless we have a value below. Otherwise 5475aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe * it's hard to visually compare the read and write graph, since 5485aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe * the lowest valued one will be the floor of the graph view. 5495aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe */ 5505aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe if (miny > 0) 5515aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe miny = 0; 5525aec66804d2a6d60aee8d973680c69b13c1d34a3Jens Axboe 553af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron maxy = find_xy_value(g, gety, maxdouble); 554af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 555af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron if (fabs(maxx - minx) < 1e-20 || fabs(maxy - miny) < 1e-20) { 5569ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron good_data = 0; 5579ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron minx = 0.0; 5589ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron miny = 0.0; 5599ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron maxx = 10.0; 5609ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron maxy = 100.0; 561af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 562af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 563def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron top_extra = 0.0; 564def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron bottom_extra = 0.0; 565def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron left_extra = 0.0; 566def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron right_extra = 0.0; 567def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron 568def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron if (g->top_extra > 0.001) 569def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron top_extra = fabs(maxy - miny) * g->top_extra; 570def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron if (g->bottom_extra > 0.001) 571def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron bottom_extra = fabs(maxy - miny) * g->bottom_extra; 572def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron if (g->left_extra > 0.001) 573def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron left_extra = fabs(maxx - minx) * g->left_extra; 574def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron if (g->right_extra > 0.001) 575def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron right_extra = fabs(maxx - minx) * g->right_extra; 576def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron 577def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron gminx = minx - left_extra; 578def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron gmaxx = maxx + right_extra; 579def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron gminy = miny - bottom_extra; 580def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron gmaxy = maxy + top_extra; 581def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron 582d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe graph_draw_x_ticks(g, cr, x1, y1, x2, y2, gminx, gmaxx, 10, good_data); 583d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe gmaxy = graph_draw_y_ticks(g, cr, x1, y1, x2, y2, gminy, gmaxy, 10, good_data); 584af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 5859ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron if (!good_data) 5869ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron goto skip_data; 5879ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron 588f3e8440f75f98ced28cdd19ba785718e734cf7c5Jens Axboe cairo_set_line_width(cr, 1.5); 58910987b9dfa87c68400c3883216a6ce6b20f56471Jens Axboe cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND); 59010987b9dfa87c68400c3883216a6ce6b20f56471Jens Axboe 591cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(lentry, &g->label_list) { 592cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(lentry, struct graph_label, list); 593af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron first = 1; 59401a947f067b1a03add33e645ece73ac19d8257ddJens Axboe if (i->hide || i->r < 0) /* invisible data */ 595cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron continue; 596b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 597af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_set_source_rgb(cr, i->r, i->g, i->b); 598cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &i->value_list) { 599cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe j = flist_entry(entry, struct graph_value, list); 600def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron tx = ((getx(j) - gminx) / (gmaxx - gminx)) * (x2 - x1) + x1; 601def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron ty = y2 - ((gety(j) - gminy) / (gmaxy - gminy)) * (y2 - y1); 602af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron if (first) { 603af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_move_to(cr, tx, ty); 604af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron first = 0; 60510987b9dfa87c68400c3883216a6ce6b20f56471Jens Axboe } else 606af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_line_to(cr, tx, ty); 607af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 608af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_stroke(cr); 609af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 6109ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameron 6119ce9cfbd6ab2a821aa31cedf64ec3e8c0729a4fcStephen M. Cameronskip_data: 612af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron cairo_restore(cr); 613af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 614af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 615af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic void setstring(char **str, const char *value) 616af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 617b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe free(*str); 618af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron *str = strdup(value); 619af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 620af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 621af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronvoid graph_title(struct graph *bg, const char *title) 622af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 623af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron setstring(&bg->title, title); 624af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 625af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 626af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronvoid graph_x_title(struct graph *bg, const char *title) 627af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 628af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron setstring(&bg->xtitle, title); 629af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 630af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 631af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronvoid graph_y_title(struct graph *bg, const char *title) 632af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 633af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron setstring(&bg->ytitle, title); 634af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 635af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 636af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronstatic struct graph_label *graph_find_label(struct graph *bg, 637af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron const char *label) 638af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 639cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 640af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_label *i; 6413c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe 642cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &bg->label_list) { 643cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(entry, struct graph_label, list); 644cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 645af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron if (strcmp(label, i->label) == 0) 646af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return i; 647cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe } 648cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 649af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return NULL; 650af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 651af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 6528dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboegraph_label_t graph_add_label(struct graph *bg, const char *label) 653af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 654af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_label *i; 6553c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe 656af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron i = graph_find_label(bg, label); 657af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron if (i) 6588dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe return i; /* already present. */ 659af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron i = calloc(1, sizeof(*i)); 660cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe INIT_FLIST_HEAD(&i->value_list); 661af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron i->parent = bg; 662af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron setstring(&i->label, label); 663cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_add_tail(&i->list, &bg->label_list); 664b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe INIT_PRIO_TREE_ROOT(&i->prio_tree); 6658dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe return i; 666af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 667af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 668cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic void __graph_value_drop(struct graph_label *l, struct graph_value *v) 669cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe{ 670d0db819d9c5abe904f85a3b21a95023fef007f20Jens Axboe flist_del_init(&v->list); 671cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe if (v->tooltip) 672cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe free(v->tooltip); 673cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe free(v->value); 674cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe free(v); 675cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe l->value_count--; 676cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe} 677cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 678cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic void graph_value_drop(struct graph_label *l, struct graph_value *v) 679cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe{ 6808dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe if (v->flags & GV_F_PRIO_SKIP) { 6818dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe __graph_value_drop(l, v); 6828dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe return; 6838dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe } 6848dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe 685cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe /* 686cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe * Find head, the guy that's on the prio tree 687cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe */ 688cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe while (!(v->flags & GV_F_ON_PRIO)) { 689cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe assert(!flist_empty(&v->alias)); 690cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe v = flist_entry(v->alias.next, struct graph_value, alias); 691cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe } 692cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 693cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe prio_tree_remove(&l->prio_tree, &v->node); 694cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 695cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe /* 696cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe * Free aliases 697cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe */ 698d0db819d9c5abe904f85a3b21a95023fef007f20Jens Axboe while (!flist_empty(&v->alias)) { 699cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct graph_value *a; 700cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 701d0db819d9c5abe904f85a3b21a95023fef007f20Jens Axboe a = flist_entry(v->alias.next, struct graph_value, alias); 702d0db819d9c5abe904f85a3b21a95023fef007f20Jens Axboe flist_del_init(&a->alias); 703cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 704cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe __graph_value_drop(l, a); 705cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe } 706cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 707cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe __graph_value_drop(l, v); 708cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe} 709cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 710b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboestatic void graph_label_add_value(struct graph_label *i, void *value, 711b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe const char *tooltip) 712af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 713b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe struct graph *g = i->parent; 714af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct graph_value *x; 715af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 716af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron x = malloc(sizeof(*x)); 7173ca30e63c16734837336380b6f40b85e97579167Jens Axboe memset(x, 0, sizeof(*x)); 718cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe INIT_FLIST_HEAD(&x->alias); 719cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe INIT_FLIST_HEAD(&x->list); 720cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_add_tail(&x->list, &i->value_list); 721af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron i->value_count++; 722cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe x->value = value; 723b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 724f00e43f2953d71cfc0fb21d704a473632d0b1ee4Jens Axboe if (tooltip) { 725b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe double xval = getx(x); 726b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe double minx = xval - (g->xtick_one_val * TOOLTIP_DELTA); 727b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe double maxx = xval + (g->xtick_one_val * TOOLTIP_DELTA); 7284c0cd537f392e8a824d0080675f07b84c355af20Jens Axboe struct prio_tree_node *ret; 729b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 7305fb8d7912ebf6fabb9ad3a61c4cd316126af602eJens Axboe /* 7315fb8d7912ebf6fabb9ad3a61c4cd316126af602eJens Axboe * use msec to avoid dropping too much precision when 7325fb8d7912ebf6fabb9ad3a61c4cd316126af602eJens Axboe * storing as an integer. 7335fb8d7912ebf6fabb9ad3a61c4cd316126af602eJens Axboe */ 734b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe minx = minx * 1000.0; 735b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe maxx = maxx * 1000.0; 736b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe 7373ca30e63c16734837336380b6f40b85e97579167Jens Axboe INIT_PRIO_TREE_NODE(&x->node); 738b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe x->node.start = minx; 739b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe x->node.last = maxx; 740cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe x->tooltip = strdup(tooltip); 741b552682725e8269e4977d3a11317ec27c1720ea2Jens Axboe if (x->node.last == x->node.start) { 742b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe x->node.last += fabs(g->xtick_delta); 743b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe if (x->node.last == x->node.start) 744b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe x->node.last++; 745b552682725e8269e4977d3a11317ec27c1720ea2Jens Axboe } 746b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 7474c0cd537f392e8a824d0080675f07b84c355af20Jens Axboe /* 7484c0cd537f392e8a824d0080675f07b84c355af20Jens Axboe * If ret != &x->node, we have an alias. Since the values 7494c0cd537f392e8a824d0080675f07b84c355af20Jens Axboe * should be identical, we can drop it 7504c0cd537f392e8a824d0080675f07b84c355af20Jens Axboe */ 7514c0cd537f392e8a824d0080675f07b84c355af20Jens Axboe ret = prio_tree_insert(&i->prio_tree, &x->node); 752cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe if (ret != &x->node) { 753cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct graph_value *alias; 754cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 755cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe alias = container_of(ret, struct graph_value, node); 756cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_add_tail(&x->alias, &alias->alias); 757bd10a0694df75c5ae0257ac2f6c8b51061859321Jens Axboe } else 758cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe x->flags = GV_F_ON_PRIO; 7598dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe } else 7608dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe x->flags = GV_F_PRIO_SKIP; 761af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 762b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe if (g->per_label_limit != -1 && 763b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe i->value_count > g->per_label_limit) { 764c148daed3da130062a7575d5667ca0e044927153Jens Axboe int to_drop = 1; 765c148daed3da130062a7575d5667ca0e044927153Jens Axboe 766c148daed3da130062a7575d5667ca0e044927153Jens Axboe /* 767c148daed3da130062a7575d5667ca0e044927153Jens Axboe * If the limit was dynamically reduced, making us more 768c148daed3da130062a7575d5667ca0e044927153Jens Axboe * than 1 entry ahead after adding this one, drop two 769c148daed3da130062a7575d5667ca0e044927153Jens Axboe * entries. This will make us (eventually) reach the 770c148daed3da130062a7575d5667ca0e044927153Jens Axboe * specified limit. 771c148daed3da130062a7575d5667ca0e044927153Jens Axboe */ 772b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe if (i->value_count - g->per_label_limit >= 2) 773c148daed3da130062a7575d5667ca0e044927153Jens Axboe to_drop = 2; 774c148daed3da130062a7575d5667ca0e044927153Jens Axboe 775cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe while (to_drop-- && !flist_empty(&i->value_list)) { 776cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe x = flist_entry(i->value_list.next, struct graph_value, list); 777cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe graph_value_drop(i, x); 778cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 779cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe /* 780cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe * If we have aliases, we could drop > 1 above. 781cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe */ 782cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe if (i->value_count <= g->per_label_limit) 783cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe break; 784c148daed3da130062a7575d5667ca0e044927153Jens Axboe } 785af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron } 786af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 787af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 7888dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboeint graph_add_data(struct graph *bg, graph_label_t label, const double value) 789af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 7908dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe struct graph_label *i = label; 791af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double *d; 792af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 793af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron d = malloc(sizeof(*d)); 794af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron *d = value; 795af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 796b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe graph_label_add_value(i, d, NULL); 797af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return 0; 798af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 799af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 80001a947f067b1a03add33e645ece73ac19d8257ddJens Axboestatic int graph_nonzero_y(struct graph_label *l) 80101a947f067b1a03add33e645ece73ac19d8257ddJens Axboe{ 80201a947f067b1a03add33e645ece73ac19d8257ddJens Axboe struct flist_head *entry; 80301a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 80401a947f067b1a03add33e645ece73ac19d8257ddJens Axboe flist_for_each(entry, &l->value_list) { 80501a947f067b1a03add33e645ece73ac19d8257ddJens Axboe struct graph_value *v; 80601a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 80701a947f067b1a03add33e645ece73ac19d8257ddJens Axboe v = flist_entry(entry, struct graph_value, list); 80801a947f067b1a03add33e645ece73ac19d8257ddJens Axboe if (gety(v) != 0.0) 80901a947f067b1a03add33e645ece73ac19d8257ddJens Axboe return 1; 81001a947f067b1a03add33e645ece73ac19d8257ddJens Axboe } 81101a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 81201a947f067b1a03add33e645ece73ac19d8257ddJens Axboe return 0; 81301a947f067b1a03add33e645ece73ac19d8257ddJens Axboe} 81401a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 8158dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboeint graph_add_xy_data(struct graph *bg, graph_label_t label, 81693e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe const double x, const double y, const char *tooltip) 817af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 8188dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe struct graph_label *i = label; 819af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron struct xyvalue *xy; 820af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 82101a947f067b1a03add33e645ece73ac19d8257ddJens Axboe if (bg->dont_graph_all_zeroes && y == 0.0 && !graph_nonzero_y(i)) 82201a947f067b1a03add33e645ece73ac19d8257ddJens Axboe i->hide = 1; 82301a947f067b1a03add33e645ece73ac19d8257ddJens Axboe else 82401a947f067b1a03add33e645ece73ac19d8257ddJens Axboe i->hide = 0; 82501a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 82601a947f067b1a03add33e645ece73ac19d8257ddJens Axboe xy = malloc(sizeof(*xy)); 82701a947f067b1a03add33e645ece73ac19d8257ddJens Axboe xy->x = x; 82801a947f067b1a03add33e645ece73ac19d8257ddJens Axboe xy->y = y; 82901a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 830b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe graph_label_add_value(i, xy, tooltip); 831af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron return 0; 832af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 833af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 834cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic void graph_free_values(struct graph_label *l) 835af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 836cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct graph_value *i; 837af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 838cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe while (!flist_empty(&l->value_list)) { 839cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(l->value_list.next, struct graph_value, list); 840cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe graph_value_drop(l, i); 8413c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe } 842af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 843af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 844cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboestatic void graph_free_labels(struct graph *g) 845af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 846cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct graph_label *i; 847af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 848cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe while (!flist_empty(&g->label_list)) { 849cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(g->label_list.next, struct graph_label, list); 850cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_del(&i->list); 851cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe graph_free_values(i); 852b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe free(i); 8533c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe } 854af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 855af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 8565721d270285a5f7e41b0b076a4a43b825239d964Jens Axboevoid graph_clear_values(struct graph *g) 8575721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe{ 8585721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe struct flist_head *node; 8595721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe struct graph_label *i; 8605721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe 8615721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe flist_for_each(node, &g->label_list) { 8625721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe i = flist_entry(node, struct graph_label, list); 8635721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe graph_free_values(i); 8645721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe } 8655721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe} 8665721d270285a5f7e41b0b076a4a43b825239d964Jens Axboe 8678dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboevoid graph_set_color(struct graph *gr, graph_label_t label, double red, 8688dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe double green, double blue) 869af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 8708dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe struct graph_label *i = label; 871af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron double r, g, b; 872af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 873cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron if (red < 0.0) { /* invisible color */ 874cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron r = -1.0; 875cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron g = -1.0; 876cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron b = -1.0; 877cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron } else { 878cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron r = fabs(red); 879cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron g = fabs(green); 880cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron b = fabs(blue); 881cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron 882cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron if (r > 1.0) 883cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron r = 1.0; 884cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron if (g > 1.0) 885cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron g = 1.0; 886cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron if (b > 1.0) 887b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe b = 1.0; 888cae0872709f690086f896f7327e136c7db7ba567Stephen M. Cameron } 889af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 8908dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe i->r = r; 8918dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe i->g = g; 8928dfd6071e1a4fd3966c0a77dbb7d719c52433b54Jens Axboe i->b = b; 893af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 894af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 895af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronvoid graph_free(struct graph *bg) 896af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 897b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe free(bg->title); 898b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe free(bg->xtitle); 899b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe free(bg->ytitle); 900cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe graph_free_labels(bg); 901af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 902af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 903af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron/* For each line in the line graph, up to per_label_limit segments may 904af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * be added. After that, adding more data to the end of the line 905af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron * causes data to drop off of the front of the line. 906af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron */ 907af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameronvoid line_graph_set_data_count_limit(struct graph *g, int per_label_limit) 908af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron{ 909af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron g->per_label_limit = per_label_limit; 910af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron} 911af58ef32b7398d791168af54aa4aab0b23192f90Stephen M. Cameron 9123c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboevoid graph_add_extra_space(struct graph *g, double left_percent, 9133c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe double right_percent, double top_percent, 9143c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe double bottom_percent) 915def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron{ 9163c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe g->left_extra = left_percent; 9173c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe g->right_extra = right_percent; 9183c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe g->top_extra = top_percent; 9193c3ed070502bbfec387ded2c43d5e4559ca24a63Jens Axboe g->bottom_extra = bottom_percent; 920def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron} 921def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron 922d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe/* 923d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe * Normally values are logged in a base unit of 0, but for other purposes 924d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe * it makes more sense to log in higher unit. For instance for bandwidth 925d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe * purposes, you may want to log in KB/sec (or MB/sec) rather than bytes/sec. 926d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe */ 927d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboevoid graph_set_base_offset(struct graph *g, unsigned int base_offset) 928d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe{ 929d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe g->base_offset = base_offset; 930d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe} 931d8fbeefb67641e9f63088b329de78a26a69fdbaeJens Axboe 93293e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboeint graph_has_tooltips(struct graph *g) 93393e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe{ 934cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 93593e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe struct graph_label *i; 93693e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe 937cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &g->label_list) { 938cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(entry, struct graph_label, list); 939cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 940cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe if (!prio_tree_empty(&i->prio_tree)) 94193e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe return 1; 942cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe } 94393e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe 94493e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe return 0; 94593e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe} 94693e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe 94793e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboeint graph_contains_xy(struct graph *g, int x, int y) 94893e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe{ 94993e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe int first_x = g->xoffset; 95093e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe int last_x = g->xoffset + g->xdim; 95193e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe int first_y = g->yoffset; 95293e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe int last_y = g->yoffset + g->ydim; 95393e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe 95493e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe return (x >= first_x && x <= last_x) && (y >= first_y && y <= last_y); 95593e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe} 956def0ac29a7eb92282cf7f208b229261bb254ca00Stephen M. Cameron 957b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboeconst char *graph_find_tooltip(struct graph *g, int ix, int iy) 95893e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe{ 959b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double x = ix, y = iy; 960b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe struct prio_tree_iter iter; 961b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe struct prio_tree_node *n; 962b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe struct graph_value *best = NULL; 963cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct flist_head *entry; 964b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe double best_delta; 965b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe double maxy, miny; 96693e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe 967b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe x -= g->xoffset; 968b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe y -= g->yoffset; 96993e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe 970b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe x = g->xtick_zero_val + ((x - g->xtick_zero) * g->xtick_delta); 971b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe y = g->ytick_zero_val + ((y - g->ytick_zero) * g->ytick_delta); 97293e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe 973b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe x = x * 1000.0; 974b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe maxy = y + (g->ytick_one_val * TOOLTIP_DELTA); 975b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe miny = y - (g->ytick_one_val * TOOLTIP_DELTA); 976b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe best_delta = UINT_MAX; 977cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe flist_for_each(entry, &g->label_list) { 978cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct graph_label *i; 979cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 980cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe i = flist_entry(entry, struct graph_label, list); 98101a947f067b1a03add33e645ece73ac19d8257ddJens Axboe if (i->hide) 98201a947f067b1a03add33e645ece73ac19d8257ddJens Axboe continue; 983cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 98408d7d5a80f3698f9a5b362831762c23e99fd9a22Jens Axboe INIT_PRIO_TREE_ITER(&iter); 985b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe prio_tree_iter_init(&iter, &i->prio_tree, x, x); 986b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 987b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe n = prio_tree_next(&iter); 988b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe if (!n) 989b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe continue; 990b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 991b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe do { 992cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe struct graph_value *v, *rootv; 993b7a69ad89e65cb4f38ccf164ae7c00bb4efe0ef5Jens Axboe double yval, ydiff; 994b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 995b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe v = container_of(n, struct graph_value, node); 996cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe rootv = v; 997cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe do { 998cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe yval = gety(v); 999cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe ydiff = fabs(yval - y); 1000cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe 1001cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe /* 1002cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe * zero delta, or within or match critera, break 1003cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe */ 1004cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe if (ydiff < best_delta) { 1005cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe best_delta = ydiff; 1006cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe if (!best_delta || 1007cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe (yval >= miny && yval <= maxy)) { 1008cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe best = v; 1009cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe break; 1010cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe } 1011b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe } 1012cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe if (!flist_empty(&v->alias)) 1013cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe v = flist_entry(v->alias.next, struct graph_value, alias); 1014cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe } while (v != rootv); 1015b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe } while ((n = prio_tree_next(&iter)) != NULL); 1016b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 1017b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe /* 1018b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe * If we got matches in one label, don't check others. 1019b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe */ 1020d0db819d9c5abe904f85a3b21a95023fef007f20Jens Axboe if (best) 1021d0db819d9c5abe904f85a3b21a95023fef007f20Jens Axboe break; 1022cdae5ff83147bedec73318e347e39d4c388da2b9Jens Axboe } 1023b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe 1024b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe if (best) 1025b65c7ec44355b9bc4d6c5ee6613dfb895dace3d6Jens Axboe return best->tooltip; 102693e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe 102793e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe return NULL; 102893e2db2bdbedbd6954bb0e0632514cae659fc30eJens Axboe} 102901a947f067b1a03add33e645ece73ac19d8257ddJens Axboe 103001a947f067b1a03add33e645ece73ac19d8257ddJens Axboevoid graph_set_graph_all_zeroes(struct graph *g, unsigned int set) 103101a947f067b1a03add33e645ece73ac19d8257ddJens Axboe{ 103201a947f067b1a03add33e645ece73ac19d8257ddJens Axboe g->dont_graph_all_zeroes = !set; 103301a947f067b1a03add33e645ece73ac19d8257ddJens Axboe} 1034