1e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat/* 2e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * blktrace output analysis: generate a timeline & gather statistics 3e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * 4e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * Copyright (C) 2006 Alan D. Brunelle <Alan.Brunelle@hp.com> 5e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * 6e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * This program is free software; you can redistribute it and/or modify 7e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * it under the terms of the GNU General Public License as published by 8e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * the Free Software Foundation; either version 2 of the License, or 9e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * (at your option) any later version. 10e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * 11e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * This program is distributed in the hope that it will be useful, 12e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * but WITHOUT ANY WARRANTY; without even the implied warranty of 13e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * GNU General Public License for more details. 15e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * 16e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * You should have received a copy of the GNU General Public License 17e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * along with this program; if not, write to the Free Software 18e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat * 20e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat */ 21e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat#include "globals.h" 22e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 23e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehatstatic inline void latency_out(FILE *ofp, __u64 tstamp, __u64 latency) 24e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat{ 25e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat if (ofp) 26e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat fprintf(ofp, "%lf %lf\n", TO_SEC(tstamp), TO_SEC(latency)); 27e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat} 28e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 29e20e1347b9914aa05e30548c15d7cd5e412cc0e2San MehatFILE *latency_open(__u32 device, char *name, char *post) 30e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat{ 31e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat FILE *fp = NULL; 32e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 33e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat if (name) { 34e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat int mjr, mnr; 35e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat char oname[strlen(name) + 32]; 36e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 37e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat mjr = device >> MINORBITS; 38e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat mnr = device & ((1 << MINORBITS) - 1); 39e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 40e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat sprintf(oname, "%s_%03d,%03d_%s.dat", name, mjr, mnr, post); 41e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat if ((fp = my_fopen(oname, "w")) == NULL) 42e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat perror(oname); 43e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat else 44e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat add_file(fp, strdup(oname)); 45e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat } 46e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 47e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat return fp; 48e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat} 49e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 50e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehatvoid latency_alloc(struct d_info *dip) 51e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat{ 52e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat dip->q2d_ofp = latency_open(dip->device, q2d_name, "q2d"); 53e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat dip->d2c_ofp = latency_open(dip->device, d2c_name, "d2c"); 54e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat dip->q2c_ofp = latency_open(dip->device, q2c_name, "q2c"); 55e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat} 56e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 57e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehatvoid latency_q2d(struct d_info *dip, __u64 tstamp, __u64 latency) 58e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat{ 59e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat plat_x2c(dip->q2d_plat_handle, tstamp, latency); 60e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat latency_out(dip->q2d_ofp, tstamp, latency); 61e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat} 62e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 63e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehatvoid latency_d2c(struct d_info *dip, __u64 tstamp, __u64 latency) 64e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat{ 65e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat plat_x2c(dip->d2c_plat_handle, tstamp, latency); 66e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat latency_out(dip->d2c_ofp, tstamp, latency); 67e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat} 68e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat 69e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehatvoid latency_q2c(struct d_info *dip, __u64 tstamp, __u64 latency) 70e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat{ 71e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat plat_x2c(dip->q2c_plat_handle, tstamp, latency); 72e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat latency_out(dip->q2c_ofp, tstamp, latency); 73e20e1347b9914aa05e30548c15d7cd5e412cc0e2San Mehat} 74