1e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng/* 2e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * builtin-diff.c 3e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * 4e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * Builtin diff command: Analyze two perf.data input files, look up and read 5e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * DSOs and symbol information, sort them and produce a diff. 6e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng */ 7e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "builtin.h" 8e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 9e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/debug.h" 10e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/event.h" 11e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/hist.h" 12e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/evsel.h" 13e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/evlist.h" 14e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/session.h" 15e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/tool.h" 16e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/sort.h" 17e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/symbol.h" 18e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include "util/util.h" 19e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 20e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include <stdlib.h> 21e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#include <math.h> 22e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 23e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng/* Diff command specific HPP columns. */ 24e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengenum { 25e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__BASELINE, 26e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__PERIOD, 27e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__PERIOD_BASELINE, 28e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__DELTA, 29e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__RATIO, 30e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__WEIGHTED_DIFF, 31e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__FORMULA, 32e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 33e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__MAX_INDEX 34e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 35e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 36e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstruct diff_hpp_fmt { 37e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_hpp_fmt fmt; 38e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int idx; 39e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *header; 40e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int header_width; 41e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 42e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 43e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstruct data__file { 44e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_session *session; 45e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *file; 46e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int idx; 47e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hists *hists; 48e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct diff_hpp_fmt fmt[PERF_HPP_DIFF__MAX_INDEX]; 49e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 50e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 51e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic struct data__file *data__files; 52e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int data__files_cnt; 53e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 54e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#define data__for_each_file_start(i, d, s) \ 55e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = s, d = &data__files[s]; \ 56e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng i < data__files_cnt; \ 57e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng i++, d = &data__files[i]) 58e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 59e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#define data__for_each_file(i, d) data__for_each_file_start(i, d, 0) 60e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#define data__for_each_file_new(i, d) data__for_each_file_start(i, d, 1) 61e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 62e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic char diff__default_sort_order[] = "dso,symbol"; 63e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic bool force; 64e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic bool show_period; 65e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic bool show_formula; 66e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic bool show_baseline_only; 67e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic unsigned int sort_compute; 68e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 69e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic s64 compute_wdiff_w1; 70e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic s64 compute_wdiff_w2; 71e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 72e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengenum { 73e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng COMPUTE_DELTA, 74e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng COMPUTE_RATIO, 75e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng COMPUTE_WEIGHTED_DIFF, 76e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng COMPUTE_MAX, 77e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 78e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 79e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengconst char *compute_names[COMPUTE_MAX] = { 80e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [COMPUTE_DELTA] = "delta", 81e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [COMPUTE_RATIO] = "ratio", 82e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [COMPUTE_WEIGHTED_DIFF] = "wdiff", 83e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 84e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 85e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int compute; 86e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 87e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int compute_2_hpp[COMPUTE_MAX] = { 88e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [COMPUTE_DELTA] = PERF_HPP_DIFF__DELTA, 89e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [COMPUTE_RATIO] = PERF_HPP_DIFF__RATIO, 90e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [COMPUTE_WEIGHTED_DIFF] = PERF_HPP_DIFF__WEIGHTED_DIFF, 91e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 92e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 93e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#define MAX_COL_WIDTH 70 94e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 95e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic struct header_column { 96e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *name; 97e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int width; 98e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} columns[PERF_HPP_DIFF__MAX_INDEX] = { 99e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [PERF_HPP_DIFF__BASELINE] = { 100e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .name = "Baseline", 101e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng }, 102e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [PERF_HPP_DIFF__PERIOD] = { 103e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .name = "Period", 104e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .width = 14, 105e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng }, 106e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [PERF_HPP_DIFF__PERIOD_BASELINE] = { 107e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .name = "Base period", 108e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .width = 14, 109e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng }, 110e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [PERF_HPP_DIFF__DELTA] = { 111e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .name = "Delta", 112e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .width = 7, 113e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng }, 114e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [PERF_HPP_DIFF__RATIO] = { 115e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .name = "Ratio", 116e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .width = 14, 117e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng }, 118e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [PERF_HPP_DIFF__WEIGHTED_DIFF] = { 119e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .name = "Weighted diff", 120e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .width = 14, 121e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng }, 122e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng [PERF_HPP_DIFF__FORMULA] = { 123e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .name = "Formula", 124e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .width = MAX_COL_WIDTH, 125e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 126e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 127e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 128e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int setup_compute_opt_wdiff(char *opt) 129e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 130e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *w1_str = opt; 131e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *w2_str; 132e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 133e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int ret = -EINVAL; 134e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 135e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!opt) 136e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng goto out; 137e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 138e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng w2_str = strchr(opt, ','); 139e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!w2_str) 140e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng goto out; 141e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 142e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng *w2_str++ = 0x0; 143e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!*w2_str) 144e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng goto out; 145e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 146e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng compute_wdiff_w1 = strtol(w1_str, NULL, 10); 147e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng compute_wdiff_w2 = strtol(w2_str, NULL, 10); 148e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 149e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!compute_wdiff_w1 || !compute_wdiff_w2) 150e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng goto out; 151e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 152e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_debug("compute wdiff w1(%" PRId64 ") w2(%" PRId64 ")\n", 153e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng compute_wdiff_w1, compute_wdiff_w2); 154e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 155e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ret = 0; 156e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 157e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng out: 158e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (ret) 159e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_err("Failed: wrong weight data, use 'wdiff:w1,w2'\n"); 160e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 161e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return ret; 162e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 163e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 164e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int setup_compute_opt(char *opt) 165e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 166e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (compute == COMPUTE_WEIGHTED_DIFF) 167e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return setup_compute_opt_wdiff(opt); 168e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 169e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (opt) { 170e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_err("Failed: extra option specified '%s'", opt); 171e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -EINVAL; 172e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 173e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 174e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 175e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 176e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 177e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int setup_compute(const struct option *opt, const char *str, 178e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int unset __maybe_unused) 179e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 180e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int *cp = (int *) opt->value; 181e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *cstr = (char *) str; 182e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char buf[50]; 183e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned i; 184e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *option; 185e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 186e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!str) { 187e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng *cp = COMPUTE_DELTA; 188e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 189e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 190e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 191e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng option = strchr(str, ':'); 192e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (option) { 193e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng unsigned len = option++ - str; 194e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 195e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* 196e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * The str data are not writeable, so we need 197e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * to use another buffer. 198e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng */ 199e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 200e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* No option value is longer. */ 201e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (len >= sizeof(buf)) 202e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -EINVAL; 203e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 204e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng strncpy(buf, str, len); 205e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng buf[len] = 0x0; 206e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng cstr = buf; 207e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 208e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 209e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (i = 0; i < COMPUTE_MAX; i++) 210e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!strcmp(cstr, compute_names[i])) { 211e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng *cp = i; 212e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return setup_compute_opt(option); 213e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 214e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 215e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_err("Failed: '%s' is not computation method " 216e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "(use 'delta','ratio' or 'wdiff')\n", str); 217e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -EINVAL; 218e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 219e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 220e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic double period_percent(struct hist_entry *he, u64 period) 221e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 222e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng u64 total = he->hists->stats.total_period; 223e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return (period * 100.0) / total; 224e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 225e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 226e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic double compute_delta(struct hist_entry *he, struct hist_entry *pair) 227e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 228e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double old_percent = period_percent(he, he->stat.period); 229e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double new_percent = period_percent(pair, pair->stat.period); 230e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 231e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pair->diff.period_ratio_delta = new_percent - old_percent; 232e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pair->diff.computed = true; 233e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return pair->diff.period_ratio_delta; 234e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 235e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 236e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic double compute_ratio(struct hist_entry *he, struct hist_entry *pair) 237e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 238e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double old_period = he->stat.period ?: 1; 239e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double new_period = pair->stat.period; 240e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 241e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pair->diff.computed = true; 242e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pair->diff.period_ratio = new_period / old_period; 243e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return pair->diff.period_ratio; 244e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 245e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 246e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic s64 compute_wdiff(struct hist_entry *he, struct hist_entry *pair) 247e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 248e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng u64 old_period = he->stat.period; 249e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng u64 new_period = pair->stat.period; 250e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 251e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pair->diff.computed = true; 252e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pair->diff.wdiff = new_period * compute_wdiff_w2 - 253e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng old_period * compute_wdiff_w1; 254e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 255e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return pair->diff.wdiff; 256e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 257e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 258e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int formula_delta(struct hist_entry *he, struct hist_entry *pair, 259e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *buf, size_t size) 260e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 261e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return scnprintf(buf, size, 262e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "(%" PRIu64 " * 100 / %" PRIu64 ") - " 263e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "(%" PRIu64 " * 100 / %" PRIu64 ")", 264e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pair->stat.period, pair->hists->stats.total_period, 265e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng he->stat.period, he->hists->stats.total_period); 266e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 267e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 268e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int formula_ratio(struct hist_entry *he, struct hist_entry *pair, 269e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *buf, size_t size) 270e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 271e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double old_period = he->stat.period; 272e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double new_period = pair->stat.period; 273e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 274e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return scnprintf(buf, size, "%.0F / %.0F", new_period, old_period); 275e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 276e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 277e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int formula_wdiff(struct hist_entry *he, struct hist_entry *pair, 278e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *buf, size_t size) 279e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 280e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng u64 old_period = he->stat.period; 281e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng u64 new_period = pair->stat.period; 282e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 283e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return scnprintf(buf, size, 284e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "(%" PRIu64 " * " "%" PRId64 ") - (%" PRIu64 " * " "%" PRId64 ")", 285e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng new_period, compute_wdiff_w2, old_period, compute_wdiff_w1); 286e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 287e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 288e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int formula_fprintf(struct hist_entry *he, struct hist_entry *pair, 289e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *buf, size_t size) 290e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 291e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng switch (compute) { 292e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_DELTA: 293e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return formula_delta(he, pair, buf, size); 294e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_RATIO: 295e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return formula_ratio(he, pair, buf, size); 296e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_WEIGHTED_DIFF: 297e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return formula_wdiff(he, pair, buf, size); 298e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng default: 299e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng BUG_ON(1); 300e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 301e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 302e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -1; 303e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 304e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 305e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int hists__add_entry(struct hists *self, 306e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct addr_location *al, u64 period, 307e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng u64 weight) 308e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 309e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (__hists__add_entry(self, al, NULL, period, weight) != NULL) 310e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 311e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -ENOMEM; 312e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 313e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 314e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int diff__process_sample_event(struct perf_tool *tool __maybe_unused, 315e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng union perf_event *event, 316e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_sample *sample, 317e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_evsel *evsel, 318e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct machine *machine) 319e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 320e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct addr_location al; 321e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 322e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { 323e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_warning("problem processing %d event, skipping it.\n", 324e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng event->header.type); 325e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -1; 326e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 327e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 328e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (al.filtered) 329e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 330e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 331e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (hists__add_entry(&evsel->hists, &al, sample->period, sample->weight)) { 332e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_warning("problem incrementing symbol period, skipping event\n"); 333e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -1; 334e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 335e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 336e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng evsel->hists.stats.total_period += sample->period; 337e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 338e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 339e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 340e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic struct perf_tool tool = { 341e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .sample = diff__process_sample_event, 342e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .mmap = perf_event__process_mmap, 343e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .comm = perf_event__process_comm, 344e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .exit = perf_event__process_exit, 345e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .fork = perf_event__process_fork, 346e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .lost = perf_event__process_lost, 347e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .ordered_samples = true, 348e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng .ordering_requires_timestamps = true, 349e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 350e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 351e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic struct perf_evsel *evsel_match(struct perf_evsel *evsel, 352e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_evlist *evlist) 353e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 354e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_evsel *e; 355e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 356e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng list_for_each_entry(e, &evlist->entries, node) 357e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (perf_evsel__match2(evsel, e)) 358e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return e; 359e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 360e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return NULL; 361e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 362e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 363e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void perf_evlist__collapse_resort(struct perf_evlist *evlist) 364e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 365e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_evsel *evsel; 366e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 367e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng list_for_each_entry(evsel, &evlist->entries, node) { 368e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hists *hists = &evsel->hists; 369e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 370e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__collapse_resort(hists); 371e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 372e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 373e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 374e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic struct hist_entry* 375e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengget_pair_data(struct hist_entry *he, struct data__file *d) 376e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 377e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (hist_entry__has_pairs(he)) { 378e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *pair; 379e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 380e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng list_for_each_entry(pair, &he->pairs.head, pairs.node) 381e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (pair->hists == d->hists) 382e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return pair; 383e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 384e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 385e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return NULL; 386e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 387e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 388e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic struct hist_entry* 389e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengget_pair_fmt(struct hist_entry *he, struct diff_hpp_fmt *dfmt) 390e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 391e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng void *ptr = dfmt - dfmt->idx; 392e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct data__file *d = container_of(ptr, struct data__file, fmt); 393e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 394e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return get_pair_data(he, d); 395e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 396e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 397e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void hists__baseline_only(struct hists *hists) 398e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 399e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct rb_root *root; 400e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct rb_node *next; 401e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 402e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (sort__need_collapse) 403e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng root = &hists->entries_collapsed; 404e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 405e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng root = hists->entries_in; 406e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 407e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng next = rb_first(root); 408e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while (next != NULL) { 409e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node_in); 410e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 411e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng next = rb_next(&he->rb_node_in); 412e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!hist_entry__next_pair(he)) { 413e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng rb_erase(&he->rb_node_in, root); 414e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hist_entry__free(he); 415e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 416e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 417e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 418e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 419e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void hists__precompute(struct hists *hists) 420e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 421e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct rb_root *root; 422e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct rb_node *next; 423e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 424e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (sort__need_collapse) 425e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng root = &hists->entries_collapsed; 426e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 427e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng root = hists->entries_in; 428e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 429e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng next = rb_first(root); 430e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while (next != NULL) { 431e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *he, *pair; 432e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 433e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng he = rb_entry(next, struct hist_entry, rb_node_in); 434e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng next = rb_next(&he->rb_node_in); 435e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 436e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pair = get_pair_data(he, &data__files[sort_compute]); 437e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!pair) 438e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng continue; 439e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 440e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng switch (compute) { 441e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_DELTA: 442e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng compute_delta(he, pair); 443e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 444e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_RATIO: 445e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng compute_ratio(he, pair); 446e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 447e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_WEIGHTED_DIFF: 448e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng compute_wdiff(he, pair); 449e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 450e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng default: 451e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng BUG_ON(1); 452e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 453e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 454e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 455e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 456e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int64_t cmp_doubles(double l, double r) 457e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 458e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (l > r) 459e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -1; 460e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else if (l < r) 461e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 1; 462e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 463e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 464e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 465e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 466e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int64_t 467e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng__hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, 468e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int c) 469e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 470e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng switch (c) { 471e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_DELTA: 472e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng { 473e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double l = left->diff.period_ratio_delta; 474e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double r = right->diff.period_ratio_delta; 475e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 476e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return cmp_doubles(l, r); 477e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 478e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_RATIO: 479e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng { 480e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double l = left->diff.period_ratio; 481e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double r = right->diff.period_ratio; 482e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 483e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return cmp_doubles(l, r); 484e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 485e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case COMPUTE_WEIGHTED_DIFF: 486e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng { 487e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng s64 l = left->diff.wdiff; 488e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng s64 r = right->diff.wdiff; 489e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 490e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return r - l; 491e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 492e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng default: 493e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng BUG_ON(1); 494e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 495e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 496e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 497e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 498e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 499e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int64_t 500e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chenghist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, 501e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int c) 502e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 503e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng bool pairs_left = hist_entry__has_pairs(left); 504e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng bool pairs_right = hist_entry__has_pairs(right); 505e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *p_right, *p_left; 506e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 507e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!pairs_left && !pairs_right) 508e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 509e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 510e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!pairs_left || !pairs_right) 511e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return pairs_left ? -1 : 1; 512e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 513e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng p_left = get_pair_data(left, &data__files[sort_compute]); 514e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng p_right = get_pair_data(right, &data__files[sort_compute]); 515e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 516e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!p_left && !p_right) 517e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 518e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 519e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!p_left || !p_right) 520e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return p_left ? -1 : 1; 521e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 522e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* 523e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * We have 2 entries of same kind, let's 524e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * make the data comparison. 525e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng */ 526e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return __hist_entry__cmp_compute(p_left, p_right, c); 527e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 528e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 529e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void insert_hist_entry_by_compute(struct rb_root *root, 530e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *he, 531e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int c) 532e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 533e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct rb_node **p = &root->rb_node; 534e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct rb_node *parent = NULL; 535e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *iter; 536e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 537e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while (*p != NULL) { 538e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng parent = *p; 539e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng iter = rb_entry(parent, struct hist_entry, rb_node); 540e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (hist_entry__cmp_compute(he, iter, c) < 0) 541e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng p = &(*p)->rb_left; 542e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 543e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng p = &(*p)->rb_right; 544e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 545e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 546e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng rb_link_node(&he->rb_node, parent, p); 547e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng rb_insert_color(&he->rb_node, root); 548e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 549e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 550e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void hists__compute_resort(struct hists *hists) 551e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 552e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct rb_root *root; 553e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct rb_node *next; 554e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 555e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (sort__need_collapse) 556e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng root = &hists->entries_collapsed; 557e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 558e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng root = hists->entries_in; 559e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 560e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists->entries = RB_ROOT; 561e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng next = rb_first(root); 562e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 563e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists->nr_entries = 0; 564e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists->stats.total_period = 0; 565e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__reset_col_len(hists); 566e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 567e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng while (next != NULL) { 568e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *he; 569e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 570e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng he = rb_entry(next, struct hist_entry, rb_node_in); 571e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng next = rb_next(&he->rb_node_in); 572e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 573e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng insert_hist_entry_by_compute(&hists->entries, he, compute); 574e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__inc_nr_entries(hists, he); 575e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 576e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 577e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 578e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void hists__process(struct hists *hists) 579e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 580e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (show_baseline_only) 581e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__baseline_only(hists); 582e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 583e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (sort_compute) { 584e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__precompute(hists); 585e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__compute_resort(hists); 586e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } else { 587e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__output_resort(hists); 588e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 589e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 590e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__fprintf(hists, true, 0, 0, 0, stdout); 591e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 592e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 593e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void data__fprintf(void) 594e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 595e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct data__file *d; 596e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int i; 597e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 598e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stdout, "# Data files:\n"); 599e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 600e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__for_each_file(i, d) 601e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stdout, "# [%d] %s %s\n", 602e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng d->idx, d->file, 603e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng !d->idx ? "(Baseline)" : ""); 604e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 605e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stdout, "#\n"); 606e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 607e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 608e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void data_process(void) 609e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 610e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_evlist *evlist_base = data__files[0].session->evlist; 611e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_evsel *evsel_base; 612e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng bool first = true; 613e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 614e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng list_for_each_entry(evsel_base, &evlist_base->entries, node) { 615e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct data__file *d; 616e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int i; 617e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 618e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__for_each_file_new(i, d) { 619e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_evlist *evlist = d->session->evlist; 620e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_evsel *evsel; 621e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 622e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng evsel = evsel_match(evsel_base, evlist); 623e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!evsel) 624e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng continue; 625e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 626e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng d->hists = &evsel->hists; 627e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 628e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__match(&evsel_base->hists, &evsel->hists); 629e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 630e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!show_baseline_only) 631e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__link(&evsel_base->hists, 632e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng &evsel->hists); 633e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 634e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 635e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n", 636e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng perf_evsel__name(evsel_base)); 637e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 638e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng first = false; 639e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 640e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (verbose || data__files_cnt > 2) 641e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__fprintf(); 642e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 643e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hists__process(&evsel_base->hists); 644e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 645e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 646e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 647e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void data__free(struct data__file *d) 648e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 649e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int col; 650e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 651e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng for (col = 0; col < PERF_HPP_DIFF__MAX_INDEX; col++) { 652e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct diff_hpp_fmt *fmt = &d->fmt[col]; 653e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 654e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng free(fmt->header); 655e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 656e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 657e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 658e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int __cmd_diff(void) 659e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 660e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct data__file *d; 661e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int ret = -EINVAL, i; 662e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 663e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__for_each_file(i, d) { 664e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng d->session = perf_session__new(d->file, O_RDONLY, force, 665e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng false, &tool); 666e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!d->session) { 667e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_err("Failed to open %s\n", d->file); 668e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ret = -ENOMEM; 669e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng goto out_delete; 670e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 671e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 672e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ret = perf_session__process_events(d->session, &tool); 673e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (ret) { 674e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_err("Failed to process %s\n", d->file); 675e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng goto out_delete; 676e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 677e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 678e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng perf_evlist__collapse_resort(d->session->evlist); 679e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 680e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 681e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data_process(); 682e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 683e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng out_delete: 684e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__for_each_file(i, d) { 685e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (d->session) 686e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng perf_session__delete(d->session); 687e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 688e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__free(d); 689e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 690e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 691e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng free(data__files); 692e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return ret; 693e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 694e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 695e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic const char * const diff_usage[] = { 696e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "perf diff [<options>] [old_file] [new_file]", 697e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng NULL, 698e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 699e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 700e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic const struct option options[] = { 701e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_INCR('v', "verbose", &verbose, 702e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "be more verbose (show symbol address, etc)"), 703e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_BOOLEAN('b', "baseline-only", &show_baseline_only, 704e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "Show only items with match in baseline"), 705e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_CALLBACK('c', "compute", &compute, 706e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "delta,ratio,wdiff:w1,w2 (default delta)", 707e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "Entries differential computation selection", 708e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng setup_compute), 709e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_BOOLEAN('p', "period", &show_period, 710e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "Show period values."), 711e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_BOOLEAN('F', "formula", &show_formula, 712e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "Show formula."), 713e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, 714e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "dump raw trace in ASCII"), 715e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 716e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, 717e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "load module symbols - WARNING: use only with -k and LIVE kernel"), 718e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", 719e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "only consider symbols in these dsos"), 720e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]", 721e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "only consider symbols in these comms"), 722e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", 723e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "only consider these symbols"), 724e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 725e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "sort by key(s): pid, comm, dso, symbol, parent"), 726e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator", 727e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "separator for columns, no spaces will be added between " 728e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "columns '.' is reserved."), 729e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", 730e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "Look for files with symbols relative to this directory"), 731e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_UINTEGER('o', "order", &sort_compute, "Specify compute sorting."), 732e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng OPT_END() 733e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng}; 734e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 735e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic double baseline_percent(struct hist_entry *he) 736e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 737e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hists *hists = he->hists; 738e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 100.0 * he->stat.period / hists->stats.total_period; 739e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 740e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 741e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int hpp__color_baseline(struct perf_hpp_fmt *fmt, 742e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_hpp *hpp, struct hist_entry *he) 743e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 744e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct diff_hpp_fmt *dfmt = 745e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng container_of(fmt, struct diff_hpp_fmt, fmt); 746e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double percent = baseline_percent(he); 747e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char pfmt[20] = " "; 748e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 749e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!he->dummy) { 750e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng scnprintf(pfmt, 20, "%%%d.2f%%%%", dfmt->header_width - 1); 751e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return percent_color_snprintf(hpp->buf, hpp->size, 752e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pfmt, percent); 753e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } else 754e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return scnprintf(hpp->buf, hpp->size, "%*s", 755e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng dfmt->header_width, pfmt); 756e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 757e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 758e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int hpp__entry_baseline(struct hist_entry *he, char *buf, size_t size) 759e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 760e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double percent = baseline_percent(he); 761e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%"; 762e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int ret = 0; 763e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 764e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!he->dummy) 765e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ret = scnprintf(buf, size, fmt, percent); 766e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 767e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return ret; 768e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 769e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 770e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void 771e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chenghpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size) 772e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 773e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng switch (idx) { 774e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case PERF_HPP_DIFF__PERIOD_BASELINE: 775e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng scnprintf(buf, size, "%" PRIu64, he->stat.period); 776e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 777e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 778e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng default: 779e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 780e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 781e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 782e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 783e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void 784e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chenghpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, 785e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int idx, char *buf, size_t size) 786e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 787e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double diff; 788e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng double ratio; 789e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng s64 wdiff; 790e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 791e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng switch (idx) { 792e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case PERF_HPP_DIFF__DELTA: 793e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (pair->diff.computed) 794e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng diff = pair->diff.period_ratio_delta; 795e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 796e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng diff = compute_delta(he, pair); 797e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 798e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (fabs(diff) >= 0.01) 799e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng scnprintf(buf, size, "%+4.2F%%", diff); 800e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 801e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 802e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case PERF_HPP_DIFF__RATIO: 803e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* No point for ratio number if we are dummy.. */ 804e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (he->dummy) 805e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 806e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 807e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (pair->diff.computed) 808e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ratio = pair->diff.period_ratio; 809e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 810e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ratio = compute_ratio(he, pair); 811e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 812e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (ratio > 0.0) 813e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng scnprintf(buf, size, "%14.6F", ratio); 814e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 815e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 816e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case PERF_HPP_DIFF__WEIGHTED_DIFF: 817e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* No point for wdiff number if we are dummy.. */ 818e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (he->dummy) 819e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 820e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 821e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (pair->diff.computed) 822e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng wdiff = pair->diff.wdiff; 823e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 824e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng wdiff = compute_wdiff(he, pair); 825e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 826e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (wdiff != 0) 827e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng scnprintf(buf, size, "%14ld", wdiff); 828e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 829e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 830e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case PERF_HPP_DIFF__FORMULA: 831e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng formula_fprintf(he, pair, buf, size); 832e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 833e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 834e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng case PERF_HPP_DIFF__PERIOD: 835e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng scnprintf(buf, size, "%" PRIu64, pair->stat.period); 836e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng break; 837e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 838e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng default: 839e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng BUG_ON(1); 840e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng }; 841e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 842e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 843e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void 844e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng__hpp__entry_global(struct hist_entry *he, struct diff_hpp_fmt *dfmt, 845e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char *buf, size_t size) 846e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 847e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *pair = get_pair_fmt(he, dfmt); 848e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int idx = dfmt->idx; 849e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 850e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* baseline is special */ 851e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (idx == PERF_HPP_DIFF__BASELINE) 852e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hpp__entry_baseline(he, buf, size); 853e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else { 854e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (pair) 855e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hpp__entry_pair(he, pair, idx, buf, size); 856e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 857e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng hpp__entry_unpair(he, idx, buf, size); 858e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 859e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 860e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 861e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int hpp__entry_global(struct perf_hpp_fmt *_fmt, struct perf_hpp *hpp, 862e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct hist_entry *he) 863e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 864e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct diff_hpp_fmt *dfmt = 865e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng container_of(_fmt, struct diff_hpp_fmt, fmt); 866e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char buf[MAX_COL_WIDTH] = " "; 867e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 868e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng __hpp__entry_global(he, dfmt, buf, MAX_COL_WIDTH); 869e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 870e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (symbol_conf.field_sep) 871e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return scnprintf(hpp->buf, hpp->size, "%s", buf); 872e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else 873e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return scnprintf(hpp->buf, hpp->size, "%*s", 874e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng dfmt->header_width, buf); 875e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 876e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 877e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int hpp__header(struct perf_hpp_fmt *fmt, 878e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_hpp *hpp) 879e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 880e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct diff_hpp_fmt *dfmt = 881e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng container_of(fmt, struct diff_hpp_fmt, fmt); 882e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 883e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng BUG_ON(!dfmt->header); 884e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return scnprintf(hpp->buf, hpp->size, dfmt->header); 885e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 886e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 887e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int hpp__width(struct perf_hpp_fmt *fmt, 888e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_hpp *hpp __maybe_unused) 889e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 890e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct diff_hpp_fmt *dfmt = 891e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng container_of(fmt, struct diff_hpp_fmt, fmt); 892e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 893e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng BUG_ON(dfmt->header_width <= 0); 894e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return dfmt->header_width; 895e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 896e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 897e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void init_header(struct data__file *d, struct diff_hpp_fmt *dfmt) 898e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 899e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#define MAX_HEADER_NAME 100 900e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char buf_indent[MAX_HEADER_NAME]; 901e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng char buf[MAX_HEADER_NAME]; 902e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng const char *header = NULL; 903e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int width = 0; 904e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 905e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng BUG_ON(dfmt->idx >= PERF_HPP_DIFF__MAX_INDEX); 906e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng header = columns[dfmt->idx].name; 907e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng width = columns[dfmt->idx].width; 908e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 909e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* Only our defined HPP fmts should appear here. */ 910e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng BUG_ON(!header); 911e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 912e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (data__files_cnt > 2) 913e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng scnprintf(buf, MAX_HEADER_NAME, "%s/%d", header, d->idx); 914e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 915e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#define NAME (data__files_cnt > 2 ? buf : header) 916e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng dfmt->header_width = width; 917e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng width = (int) strlen(NAME); 918e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (dfmt->header_width < width) 919e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng dfmt->header_width = width; 920e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 921e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng scnprintf(buf_indent, MAX_HEADER_NAME, "%*s", 922e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng dfmt->header_width, NAME); 923e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 924e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng dfmt->header = strdup(buf_indent); 925e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#undef MAX_HEADER_NAME 926e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng#undef NAME 927e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 928e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 929e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void data__hpp_register(struct data__file *d, int idx) 930e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 931e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct diff_hpp_fmt *dfmt = &d->fmt[idx]; 932e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct perf_hpp_fmt *fmt = &dfmt->fmt; 933e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 934e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng dfmt->idx = idx; 935e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 936e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fmt->header = hpp__header; 937e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fmt->width = hpp__width; 938e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fmt->entry = hpp__entry_global; 939e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 940e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* TODO more colors */ 941e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (idx == PERF_HPP_DIFF__BASELINE) 942e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng fmt->color = hpp__color_baseline; 943e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 944e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng init_header(d, dfmt); 945e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng perf_hpp__column_register(fmt); 946e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 947e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 948e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic void ui_init(void) 949e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 950e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct data__file *d; 951e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int i; 952e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 953e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__for_each_file(i, d) { 954e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 955e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* 956e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * Baseline or compute realted columns: 957e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * 958e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * PERF_HPP_DIFF__BASELINE 959e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * PERF_HPP_DIFF__DELTA 960e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * PERF_HPP_DIFF__RATIO 961e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * PERF_HPP_DIFF__WEIGHTED_DIFF 962e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng */ 963e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__hpp_register(d, i ? compute_2_hpp[compute] : 964e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__BASELINE); 965e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 966e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng /* 967e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * And the rest: 968e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * 969e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * PERF_HPP_DIFF__FORMULA 970e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * PERF_HPP_DIFF__PERIOD 971e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng * PERF_HPP_DIFF__PERIOD_BASELINE 972e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng */ 973e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (show_formula && i) 974e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__hpp_register(d, PERF_HPP_DIFF__FORMULA); 975e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 976e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (show_period) 977e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__hpp_register(d, i ? PERF_HPP_DIFF__PERIOD : 978e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng PERF_HPP_DIFF__PERIOD_BASELINE); 979e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 980e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 981e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 982e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengstatic int data_init(int argc, const char **argv) 983e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 984e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng struct data__file *d; 985e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng static const char *defaults[] = { 986e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "perf.data.old", 987e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng "perf.data", 988e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng }; 989e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng bool use_default = true; 990e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng int i; 991e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 992e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__files_cnt = 2; 993e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 994e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (argc) { 995e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (argc == 1) 996e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng defaults[1] = argv[0]; 997e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng else { 998e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__files_cnt = argc; 999e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng use_default = false; 1000e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 1001e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } else if (symbol_conf.default_guest_vmlinux_name || 1002e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng symbol_conf.default_guest_kallsyms) { 1003e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng defaults[0] = "perf.data.host"; 1004e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng defaults[1] = "perf.data.guest"; 1005e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 1006e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1007e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (sort_compute >= (unsigned int) data__files_cnt) { 1008e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng pr_err("Order option out of limit.\n"); 1009e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -EINVAL; 1010e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 1011e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1012e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__files = zalloc(sizeof(*data__files) * data__files_cnt); 1013e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (!data__files) 1014e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -ENOMEM; 1015e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1016e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng data__for_each_file(i, d) { 1017e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng d->file = use_default ? defaults[i] : argv[i]; 1018e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng d->idx = i; 1019e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng } 1020e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1021e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return 0; 1022e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 1023e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1024e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Chengint cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) 1025e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng{ 1026e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng sort_order = diff__default_sort_order; 1027e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng argc = parse_options(argc, argv, options, diff_usage, 0); 1028e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1029e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (symbol__init() < 0) 1030e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -1; 1031e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1032e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (data_init(argc, argv) < 0) 1033e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return -1; 1034e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1035e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng ui_init(); 1036e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1037e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng if (setup_sorting() < 0) 1038e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng usage_with_options(diff_usage, options); 1039e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1040e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng setup_pager(); 1041e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1042e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng sort__setup_elide(NULL); 1043e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng 1044e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng return __cmd_diff(); 1045e6e8a0bd7cffcc9ae2e0e75546fb12a19213d4aeBen Cheng} 1046