From ec308426ea743469ec6c2b0e06e20b3671546e8f Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Mon, 25 Mar 2013 00:02:01 +0100 Subject: perf diff: Introducing diff_data object to hold files Introducing struct diff_data to hold data file specifics. It will be handy when dealing with more than 2 data files. Signed-off-by: Jiri Olsa Reviewed-by: Namhyung Kim Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-981q265sf6h05zuu8fnvw842@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-diff.c | 143 ++++++++++++++++++++++++++++++---------------- 1 file changed, 95 insertions(+), 48 deletions(-) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 0aac5f3e594..015ca2d4fe9 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -19,10 +19,24 @@ #include -static char const *input_old = "perf.data.old", - *input_new = "perf.data"; -static char diff__default_sort_order[] = "dso,symbol"; -static bool force; +struct data__file { + struct perf_session *session; + const char *file; + int idx; +}; + +static struct data__file *data__files; +static int data__files_cnt; + +#define data__for_each_file_start(i, d, s) \ + for (i = s, d = &data__files[s]; \ + i < data__files_cnt; \ + i++, d = &data__files[i]) + +#define data__for_each_file(i, d) data__for_each_file_start(i, d, 0) + +static char diff__default_sort_order[] = "dso,symbol"; +static bool force; static bool show_period; static bool show_formula; static bool show_baseline_only; @@ -467,56 +481,62 @@ static void hists__process(struct hists *old, struct hists *new) hists__fprintf(new, true, 0, 0, 0, stdout); } -static int __cmd_diff(void) +static void data_process(void) { - int ret, i; -#define older (session[0]) -#define newer (session[1]) - struct perf_session *session[2]; - struct perf_evlist *evlist_new, *evlist_old; - struct perf_evsel *evsel; + struct perf_evlist *evlist_old = data__files[0].session->evlist; + struct perf_evlist *evlist_new = data__files[1].session->evlist; + struct perf_evsel *evsel_old; bool first = true; - older = perf_session__new(input_old, O_RDONLY, force, false, - &tool); - newer = perf_session__new(input_new, O_RDONLY, force, false, - &tool); - if (session[0] == NULL || session[1] == NULL) - return -ENOMEM; + list_for_each_entry(evsel_old, &evlist_old->entries, node) { + struct perf_evsel *evsel_new; - for (i = 0; i < 2; ++i) { - ret = perf_session__process_events(session[i], &tool); - if (ret) - goto out_delete; - } + evsel_new = evsel_match(evsel_old, evlist_new); + if (!evsel_new) + continue; - evlist_old = older->evlist; - evlist_new = newer->evlist; + fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n", + perf_evsel__name(evsel_old)); - perf_evlist__collapse_resort(evlist_old); - perf_evlist__collapse_resort(evlist_new); + first = false; - list_for_each_entry(evsel, &evlist_new->entries, node) { - struct perf_evsel *evsel_old; + hists__process(&evsel_old->hists, &evsel_new->hists); + } +} - evsel_old = evsel_match(evsel, evlist_old); - if (!evsel_old) - continue; +static int __cmd_diff(void) +{ + struct data__file *d; + int ret = -EINVAL, i; + + data__for_each_file(i, d) { + d->session = perf_session__new(d->file, O_RDONLY, force, + false, &tool); + if (!d->session) { + pr_err("Failed to open %s\n", d->file); + ret = -ENOMEM; + goto out_delete; + } - fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n", - perf_evsel__name(evsel)); + ret = perf_session__process_events(d->session, &tool); + if (ret) { + pr_err("Failed to process %s\n", d->file); + goto out_delete; + } - first = false; + perf_evlist__collapse_resort(d->session->evlist); + } + + data_process(); - hists__process(&evsel_old->hists, &evsel->hists); + out_delete: + data__for_each_file(i, d) { + if (d->session) + perf_session__delete(d->session); } -out_delete: - for (i = 0; i < 2; ++i) - perf_session__delete(session[i]); + free(data__files); return ret; -#undef older -#undef newer } static const char * const diff_usage[] = { @@ -589,27 +609,54 @@ static void ui_init(void) } } -int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) +static int data_init(int argc, const char **argv) { - sort_order = diff__default_sort_order; - argc = parse_options(argc, argv, options, diff_usage, 0); + struct data__file *d; + static const char *defaults[] = { + "perf.data.old", + "perf.data", + }; + int i; + + data__files_cnt = 2; + if (argc) { if (argc > 2) usage_with_options(diff_usage, options); if (argc == 2) { - input_old = argv[0]; - input_new = argv[1]; + defaults[0] = argv[0]; + defaults[1] = argv[1]; } else - input_new = argv[0]; + defaults[1] = argv[0]; } else if (symbol_conf.default_guest_vmlinux_name || symbol_conf.default_guest_kallsyms) { - input_old = "perf.data.host"; - input_new = "perf.data.guest"; + defaults[0] = "perf.data.host"; + defaults[1] = "perf.data.guest"; } + data__files = zalloc(sizeof(*data__files) * data__files_cnt); + if (!data__files) + return -ENOMEM; + + data__for_each_file(i, d) { + d->file = defaults[i]; + d->idx = i; + } + + return 0; +} + +int cmd_diff(int argc, const char **argv, const char *prefix __maybe_unused) +{ + sort_order = diff__default_sort_order; + argc = parse_options(argc, argv, options, diff_usage, 0); + if (symbol__init() < 0) return -1; + if (data_init(argc, argv) < 0) + return -1; + ui_init(); if (setup_sorting() < 0) -- cgit v1.2.3-70-g09d2 From 9af303e22a317d1cc6f440e08f72428830708b37 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sat, 1 Dec 2012 21:15:40 +0100 Subject: perf diff: Switching the base hists to be pairs head Making the baseline hists to act as a pairs head. So far we don't care which hists act as a pairs head, because we have only 2 files to deal with and any of them is suitable to do the job. But if we want to process more files, we need to pick up one hists to act as pairs head, and the baseline hists is the most suitable. Signed-off-by: Jiri Olsa Reviewed-by: Namhyung Kim Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-cklmt2o4j87i9viz900245ae@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-diff.c | 60 +++++++++++++++++++++++------------------------ tools/perf/ui/hist.c | 25 ++++---------------- 2 files changed, 35 insertions(+), 50 deletions(-) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 015ca2d4fe9..0cfe99ea905 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -167,34 +167,34 @@ double perf_diff__period_percent(struct hist_entry *he, u64 period) double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair) { - double new_percent = perf_diff__period_percent(he, he->stat.period); - double old_percent = perf_diff__period_percent(pair, pair->stat.period); + double old_percent = perf_diff__period_percent(he, he->stat.period); + double new_percent = perf_diff__period_percent(pair, pair->stat.period); - he->diff.period_ratio_delta = new_percent - old_percent; - he->diff.computed = true; - return he->diff.period_ratio_delta; + pair->diff.period_ratio_delta = new_percent - old_percent; + pair->diff.computed = true; + return pair->diff.period_ratio_delta; } double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair) { - double new_period = he->stat.period; - double old_period = pair->stat.period; + double old_period = he->stat.period ?: 1; + double new_period = pair->stat.period; - he->diff.computed = true; - he->diff.period_ratio = new_period / old_period; - return he->diff.period_ratio; + pair->diff.computed = true; + pair->diff.period_ratio = new_period / old_period; + return pair->diff.period_ratio; } s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair) { - u64 new_period = he->stat.period; - u64 old_period = pair->stat.period; + u64 old_period = he->stat.period; + u64 new_period = pair->stat.period; - he->diff.computed = true; - he->diff.wdiff = new_period * compute_wdiff_w2 - - old_period * compute_wdiff_w1; + pair->diff.computed = true; + pair->diff.wdiff = new_period * compute_wdiff_w2 - + old_period * compute_wdiff_w1; - return he->diff.wdiff; + return pair->diff.wdiff; } static int formula_delta(struct hist_entry *he, struct hist_entry *pair, @@ -203,15 +203,15 @@ static int formula_delta(struct hist_entry *he, struct hist_entry *pair, return scnprintf(buf, size, "(%" PRIu64 " * 100 / %" PRIu64 ") - " "(%" PRIu64 " * 100 / %" PRIu64 ")", - he->stat.period, he->hists->stats.total_period, - pair->stat.period, pair->hists->stats.total_period); + pair->stat.period, pair->hists->stats.total_period, + he->stat.period, he->hists->stats.total_period); } static int formula_ratio(struct hist_entry *he, struct hist_entry *pair, char *buf, size_t size) { - double new_period = he->stat.period; - double old_period = pair->stat.period; + double old_period = he->stat.period; + double new_period = pair->stat.period; return scnprintf(buf, size, "%.0F / %.0F", new_period, old_period); } @@ -219,8 +219,8 @@ static int formula_ratio(struct hist_entry *he, struct hist_entry *pair, static int formula_wdiff(struct hist_entry *he, struct hist_entry *pair, char *buf, size_t size) { - u64 new_period = he->stat.period; - u64 old_period = pair->stat.period; + u64 old_period = he->stat.period; + u64 new_period = pair->stat.period; return scnprintf(buf, size, "(%" PRIu64 " * " "%" PRId64 ") - (%" PRIu64 " * " "%" PRId64 ")", @@ -462,23 +462,23 @@ static void hists__compute_resort(struct hists *hists) } } -static void hists__process(struct hists *old, struct hists *new) +static void hists__process(struct hists *base, struct hists *new) { - hists__match(new, old); + hists__match(base, new); if (show_baseline_only) - hists__baseline_only(new); + hists__baseline_only(base); else - hists__link(new, old); + hists__link(base, new); if (sort_compute) { - hists__precompute(new); - hists__compute_resort(new); + hists__precompute(base); + hists__compute_resort(base); } else { - hists__output_resort(new); + hists__output_resort(base); } - hists__fprintf(new, true, 0, 0, 0, stdout); + hists__fprintf(base, true, 0, 0, 0, stdout); } static void data_process(void) diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index f45c97f694d..02313a9c468 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -178,18 +178,8 @@ static int hpp__width_baseline(struct perf_hpp_fmt *fmt __maybe_unused, static double baseline_percent(struct hist_entry *he) { - struct hist_entry *pair = hist_entry__next_pair(he); - struct hists *pair_hists = pair ? pair->hists : NULL; - double percent = 0.0; - - if (pair) { - u64 total_period = pair_hists->stats.total_period; - u64 base_period = pair->stat.period; - - percent = 100.0 * base_period / total_period; - } - - return percent; + struct hists *hists = he->hists; + return 100.0 * he->stat.period / hists->stats.total_period; } static int hpp__color_baseline(struct perf_hpp_fmt *fmt __maybe_unused, @@ -197,10 +187,8 @@ static int hpp__color_baseline(struct perf_hpp_fmt *fmt __maybe_unused, { double percent = baseline_percent(he); - if (hist_entry__has_pairs(he) || symbol_conf.field_sep) - return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", percent); - else - return scnprintf(hpp->buf, hpp->size, " "); + return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", + percent); } static int hpp__entry_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, @@ -209,10 +197,7 @@ static int hpp__entry_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, double percent = baseline_percent(he); const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%"; - if (hist_entry__has_pairs(he) || symbol_conf.field_sep) - return scnprintf(hpp->buf, hpp->size, fmt, percent); - else - return scnprintf(hpp->buf, hpp->size, " "); + return scnprintf(hpp->buf, hpp->size, fmt, percent); } static int hpp__header_period_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, -- cgit v1.2.3-70-g09d2 From 1d81c7fc25c0f0559e3306fc73ecfe78b740c9e8 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sat, 1 Dec 2012 21:56:03 +0100 Subject: perf diff: Display data file info ahead of the diff output Data files are referenced through the index of the file on the command line. Adding list of data files for each index to ease up navigation for user. It's displayed only if in verbose mode. Signed-off-by: Jiri Olsa Reviewed-by: Namhyung Kim Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Link: http://lkml.kernel.org/n/tip-dfjxa6n116ughjjxohpkuvi8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-diff.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 0cfe99ea905..9574ba18bc7 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -481,6 +481,21 @@ static void hists__process(struct hists *base, struct hists *new) hists__fprintf(base, true, 0, 0, 0, stdout); } +static void data__fprintf(void) +{ + struct data__file *d; + int i; + + fprintf(stdout, "# Data files:\n"); + + data__for_each_file(i, d) + fprintf(stdout, "# [%d] %s %s\n", + d->idx, d->file, + !d->idx ? "(Baseline)" : ""); + + fprintf(stdout, "#\n"); +} + static void data_process(void) { struct perf_evlist *evlist_old = data__files[0].session->evlist; @@ -500,6 +515,9 @@ static void data_process(void) first = false; + if (verbose) + data__fprintf(); + hists__process(&evsel_old->hists, &evsel_new->hists); } } -- cgit v1.2.3-70-g09d2 From 345dc0b45ecc37a239723f2b6392cab04d8b0eff Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sun, 3 Feb 2013 20:08:34 +0100 Subject: perf diff: Move diff related columns into diff command Moving diff related columns into diff command, because they are not used by any other command. Also moving the column entry functions under generic one with baseline as an exception. Signed-off-by: Jiri Olsa Reviewed-by: Namhyung Kim Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-v58qfl75xkqojz54h1v5fy6p@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-diff.c | 306 +++++++++++++++++++++++++++++++++++++++++++--- tools/perf/ui/hist.c | 209 +------------------------------ tools/perf/util/hist.h | 7 +- 3 files changed, 292 insertions(+), 230 deletions(-) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 9574ba18bc7..8734f1cee6d 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -18,6 +18,27 @@ #include "util/util.h" #include +#include + +/* Diff command specific HPP columns. */ +enum { + PERF_HPP_DIFF__BASELINE, + PERF_HPP_DIFF__PERIOD, + PERF_HPP_DIFF__PERIOD_BASELINE, + PERF_HPP_DIFF__DELTA, + PERF_HPP_DIFF__RATIO, + PERF_HPP_DIFF__WEIGHTED_DIFF, + PERF_HPP_DIFF__FORMULA, + + PERF_HPP_DIFF__MAX_INDEX +}; + +struct diff_hpp_fmt { + struct perf_hpp_fmt fmt; + int idx; + char *header; + int header_width; +}; struct data__file { struct perf_session *session; @@ -60,6 +81,47 @@ const char *compute_names[COMPUTE_MAX] = { static int compute; +static int compute_2_hpp[COMPUTE_MAX] = { + [COMPUTE_DELTA] = PERF_HPP_DIFF__DELTA, + [COMPUTE_RATIO] = PERF_HPP_DIFF__RATIO, + [COMPUTE_WEIGHTED_DIFF] = PERF_HPP_DIFF__WEIGHTED_DIFF, +}; + +#define MAX_COL_WIDTH 70 + +static struct header_column { + const char *name; + int width; +} columns[PERF_HPP_DIFF__MAX_INDEX] = { + [PERF_HPP_DIFF__BASELINE] = { + .name = "Baseline", + }, + [PERF_HPP_DIFF__PERIOD] = { + .name = "Period", + .width = 14, + }, + [PERF_HPP_DIFF__PERIOD_BASELINE] = { + .name = "Base period", + .width = 14, + }, + [PERF_HPP_DIFF__DELTA] = { + .name = "Delta", + .width = 7, + }, + [PERF_HPP_DIFF__RATIO] = { + .name = "Ratio", + .width = 14, + }, + [PERF_HPP_DIFF__WEIGHTED_DIFF] = { + .name = "Weighted diff", + .width = 14, + }, + [PERF_HPP_DIFF__FORMULA] = { + .name = "Formula", + .width = MAX_COL_WIDTH, + } +}; + static int setup_compute_opt_wdiff(char *opt) { char *w1_str = opt; @@ -596,34 +658,246 @@ static const struct option options[] = { OPT_END() }; -static void ui_init(void) +static double baseline_percent(struct hist_entry *he) { - /* - * Display baseline/delta/ratio - * formula/periods columns. - */ - perf_hpp__column_enable(PERF_HPP__BASELINE); + struct hists *hists = he->hists; + return 100.0 * he->stat.period / hists->stats.total_period; +} - switch (compute) { - case COMPUTE_DELTA: - perf_hpp__column_enable(PERF_HPP__DELTA); +static int hpp__color_baseline(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp, struct hist_entry *he) +{ + struct diff_hpp_fmt *dfmt = + container_of(fmt, struct diff_hpp_fmt, fmt); + double percent = baseline_percent(he); + char pfmt[20] = " "; + + if (!he->dummy) { + scnprintf(pfmt, 20, "%%%d.2f%%%%", dfmt->header_width - 1); + return percent_color_snprintf(hpp->buf, hpp->size, + pfmt, percent); + } else + return scnprintf(hpp->buf, hpp->size, "%*s", + dfmt->header_width, pfmt); +} + +static int hpp__entry_baseline(struct hist_entry *he, char *buf, size_t size) +{ + double percent = baseline_percent(he); + const char *fmt = symbol_conf.field_sep ? "%.2f" : "%6.2f%%"; + int ret = 0; + + if (!he->dummy) + ret = scnprintf(buf, size, fmt, percent); + + return ret; +} + +static void +hpp__entry_unpair(struct hist_entry *he, int idx, char *buf, size_t size) +{ + switch (idx) { + case PERF_HPP_DIFF__PERIOD_BASELINE: + scnprintf(buf, size, "%" PRIu64, he->stat.period); break; - case COMPUTE_RATIO: - perf_hpp__column_enable(PERF_HPP__RATIO); + + default: break; - case COMPUTE_WEIGHTED_DIFF: - perf_hpp__column_enable(PERF_HPP__WEIGHTED_DIFF); + } +} + +static void +hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, + int idx, char *buf, size_t size) +{ + double diff; + double ratio; + s64 wdiff; + + switch (idx) { + case PERF_HPP_DIFF__DELTA: + if (pair->diff.computed) + diff = pair->diff.period_ratio_delta; + else + diff = perf_diff__compute_delta(he, pair); + + if (fabs(diff) >= 0.01) + scnprintf(buf, size, "%+4.2F%%", diff); + break; + + case PERF_HPP_DIFF__RATIO: + /* No point for ratio number if we are dummy.. */ + if (he->dummy) + break; + + if (pair->diff.computed) + ratio = pair->diff.period_ratio; + else + ratio = perf_diff__compute_ratio(he, pair); + + if (ratio > 0.0) + scnprintf(buf, size, "%14.6F", ratio); + break; + + case PERF_HPP_DIFF__WEIGHTED_DIFF: + /* No point for wdiff number if we are dummy.. */ + if (he->dummy) + break; + + if (pair->diff.computed) + wdiff = pair->diff.wdiff; + else + wdiff = perf_diff__compute_wdiff(he, pair); + + if (wdiff != 0) + scnprintf(buf, size, "%14ld", wdiff); + break; + + case PERF_HPP_DIFF__FORMULA: + perf_diff__formula(he, pair, buf, size); break; + + case PERF_HPP_DIFF__PERIOD: + scnprintf(buf, size, "%" PRIu64, pair->stat.period); + break; + default: BUG_ON(1); }; +} + +static void +__hpp__entry_global(struct hist_entry *he, int idx, char *buf, size_t size) +{ + struct hist_entry *pair = hist_entry__next_pair(he); + + /* baseline is special */ + if (idx == PERF_HPP_DIFF__BASELINE) + hpp__entry_baseline(he, buf, size); + else { + if (pair) + hpp__entry_pair(he, pair, idx, buf, size); + else + hpp__entry_unpair(he, idx, buf, size); + } +} + +static int hpp__entry_global(struct perf_hpp_fmt *_fmt, struct perf_hpp *hpp, + struct hist_entry *he) +{ + struct diff_hpp_fmt *dfmt = + container_of(_fmt, struct diff_hpp_fmt, fmt); + char buf[MAX_COL_WIDTH] = " "; + + __hpp__entry_global(he, dfmt->idx, buf, MAX_COL_WIDTH); + + if (symbol_conf.field_sep) + return scnprintf(hpp->buf, hpp->size, "%s", buf); + else + return scnprintf(hpp->buf, hpp->size, "%*s", + dfmt->header_width, buf); +} + +static int hpp__header(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp) +{ + struct diff_hpp_fmt *dfmt = + container_of(fmt, struct diff_hpp_fmt, fmt); + + BUG_ON(!dfmt->header); + return scnprintf(hpp->buf, hpp->size, dfmt->header); +} + +static int hpp__width(struct perf_hpp_fmt *fmt, + struct perf_hpp *hpp __maybe_unused) +{ + struct diff_hpp_fmt *dfmt = + container_of(fmt, struct diff_hpp_fmt, fmt); + + BUG_ON(dfmt->header_width <= 0); + return dfmt->header_width; +} + +#define hpp__color_global hpp__entry_global + +#define FMT(_i, _entry, _color) \ + [_i] = { \ + .fmt = { \ + .header = hpp__header, \ + .width = hpp__width, \ + .entry = hpp__entry_ ## _entry, \ + .color = hpp__color_ ## _color, \ + }, \ + .idx = _i, \ + } + +#define FMT_GLOBAL(_i) FMT(_i, global, global) +#define FMT_BASELINE(_i) FMT(_i, global, baseline) + +static struct diff_hpp_fmt diff_fmt[] = { + FMT_BASELINE(PERF_HPP_DIFF__BASELINE), + FMT_GLOBAL(PERF_HPP_DIFF__PERIOD), + FMT_GLOBAL(PERF_HPP_DIFF__PERIOD_BASELINE), + FMT_GLOBAL(PERF_HPP_DIFF__DELTA), + FMT_GLOBAL(PERF_HPP_DIFF__RATIO), + FMT_GLOBAL(PERF_HPP_DIFF__WEIGHTED_DIFF), + FMT_GLOBAL(PERF_HPP_DIFF__FORMULA), +}; + +static void init_header(struct diff_hpp_fmt *dfmt) +{ +#define MAX_HEADER_NAME 100 + char buf_indent[MAX_HEADER_NAME]; + char buf[MAX_HEADER_NAME]; + const char *header = NULL; + int width = 0; + + BUG_ON(dfmt->idx >= PERF_HPP_DIFF__MAX_INDEX); + header = columns[dfmt->idx].name; + width = columns[dfmt->idx].width; + + /* Only our defined HPP fmts should appear here. */ + BUG_ON(!header); + +#define NAME (data__files_cnt > 2 ? buf : header) + dfmt->header_width = width; + width = (int) strlen(NAME); + if (dfmt->header_width < width) + dfmt->header_width = width; + + scnprintf(buf_indent, MAX_HEADER_NAME, "%*s", + dfmt->header_width, NAME); + + dfmt->header = strdup(buf_indent); +#undef MAX_HEADER_NAME +#undef NAME +} + +static void column_enable(unsigned col) +{ + struct diff_hpp_fmt *dfmt; + + BUG_ON(col >= PERF_HPP_DIFF__MAX_INDEX); + dfmt = &diff_fmt[col]; + init_header(dfmt); + perf_hpp__column_register(&dfmt->fmt); +} + +static void ui_init(void) +{ + /* + * Display baseline/delta/ratio/ + * formula/periods columns. + */ + column_enable(PERF_HPP_DIFF__BASELINE); + column_enable(compute_2_hpp[compute]); if (show_formula) - perf_hpp__column_enable(PERF_HPP__FORMULA); + column_enable(PERF_HPP_DIFF__FORMULA); if (show_period) { - perf_hpp__column_enable(PERF_HPP__PERIOD); - perf_hpp__column_enable(PERF_HPP__PERIOD_BASELINE); + column_enable(PERF_HPP_DIFF__PERIOD); + column_enable(PERF_HPP_DIFF__PERIOD_BASELINE); } } diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index a359b75ce80..dc900d7a190 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -163,207 +163,6 @@ HPP_PERCENT_FNS(overhead_guest_us, "guest usr", period_guest_us, 9, 8) HPP_RAW_FNS(samples, "Samples", nr_events, 12, 12) HPP_RAW_FNS(period, "Period", period, 12, 12) - -static int hpp__header_baseline(struct perf_hpp_fmt *fmt __maybe_unused, - struct perf_hpp *hpp) -{ - return scnprintf(hpp->buf, hpp->size, "Baseline"); -} - -static int hpp__width_baseline(struct perf_hpp_fmt *fmt __maybe_unused, - struct perf_hpp *hpp __maybe_unused) -{ - return 8; -} - -static double baseline_percent(struct hist_entry *he) -{ - struct hists *hists = he->hists; - return 100.0 * he->stat.period / hists->stats.total_period; -} - -static int hpp__color_baseline(struct perf_hpp_fmt *fmt __maybe_unused, - struct perf_hpp *hpp, struct hist_entry *he) -{ - double percent = baseline_percent(he); - - if (!he->dummy) - return percent_color_snprintf(hpp->buf, hpp->size, - " %6.2f%%", percent); - else - return scnprintf(hpp->buf, hpp->size, " "); -} - -static int hpp__entry_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp, struct hist_entry *he) -{ - double percent = baseline_percent(he); - const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%"; - - if (!he->dummy) - return scnprintf(hpp->buf, hpp->size, fmt, percent); - else - return scnprintf(hpp->buf, hpp->size, " "); -} - -static int hpp__header_period_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp) -{ - const char *fmt = symbol_conf.field_sep ? "%s" : "%12s"; - - return scnprintf(hpp->buf, hpp->size, fmt, "Period Base"); -} - -static int hpp__width_period_baseline(struct perf_hpp_fmt *fmt __maybe_unused, - struct perf_hpp *hpp __maybe_unused) -{ - return 12; -} - -static int hpp__entry_period_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp, struct hist_entry *he) -{ - struct hist_entry *pair = hist_entry__next_pair(he); - u64 period = pair ? pair->stat.period : 0; - const char *fmt = symbol_conf.field_sep ? "%" PRIu64 : "%12" PRIu64; - - return scnprintf(hpp->buf, hpp->size, fmt, period); -} - -static int hpp__header_delta(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp) -{ - const char *fmt = symbol_conf.field_sep ? "%s" : "%7s"; - - return scnprintf(hpp->buf, hpp->size, fmt, "Delta"); -} - -static int hpp__width_delta(struct perf_hpp_fmt *fmt __maybe_unused, - struct perf_hpp *hpp __maybe_unused) -{ - return 7; -} - -static int hpp__entry_delta(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp, struct hist_entry *he) -{ - struct hist_entry *pair = hist_entry__next_pair(he); - const char *fmt = symbol_conf.field_sep ? "%s" : "%7.7s"; - char buf[32] = " "; - double diff = 0.0; - - if (pair) { - if (he->diff.computed) - diff = he->diff.period_ratio_delta; - else - diff = perf_diff__compute_delta(he, pair); - } - - if (fabs(diff) >= 0.01) - scnprintf(buf, sizeof(buf), "%+4.2F%%", diff); - - return scnprintf(hpp->buf, hpp->size, fmt, buf); -} - -static int hpp__header_ratio(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp) -{ - const char *fmt = symbol_conf.field_sep ? "%s" : "%14s"; - - return scnprintf(hpp->buf, hpp->size, fmt, "Ratio"); -} - -static int hpp__width_ratio(struct perf_hpp_fmt *fmt __maybe_unused, - struct perf_hpp *hpp __maybe_unused) -{ - return 14; -} - -static int hpp__entry_ratio(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp, struct hist_entry *he) -{ - struct hist_entry *pair = hist_entry__next_pair(he); - const char *fmt = symbol_conf.field_sep ? "%s" : "%14s"; - char buf[32] = " "; - double ratio = 0.0; - - /* No point for ratio number if we are dummy.. */ - if (!he->dummy && pair) { - if (he->diff.computed) - ratio = he->diff.period_ratio; - else - ratio = perf_diff__compute_ratio(he, pair); - } - - if (ratio > 0.0) - scnprintf(buf, sizeof(buf), "%+14.6F", ratio); - - return scnprintf(hpp->buf, hpp->size, fmt, buf); -} - -static int hpp__header_wdiff(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp) -{ - const char *fmt = symbol_conf.field_sep ? "%s" : "%14s"; - - return scnprintf(hpp->buf, hpp->size, fmt, "Weighted diff"); -} - -static int hpp__width_wdiff(struct perf_hpp_fmt *fmt __maybe_unused, - struct perf_hpp *hpp __maybe_unused) -{ - return 14; -} - -static int hpp__entry_wdiff(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp, struct hist_entry *he) -{ - struct hist_entry *pair = hist_entry__next_pair(he); - const char *fmt = symbol_conf.field_sep ? "%s" : "%14s"; - char buf[32] = " "; - s64 wdiff = 0; - - /* No point for wdiff number if we are dummy.. */ - if (!he->dummy && pair) { - if (he->diff.computed) - wdiff = he->diff.wdiff; - else - wdiff = perf_diff__compute_wdiff(he, pair); - } - - if (wdiff != 0) - scnprintf(buf, sizeof(buf), "%14ld", wdiff); - - return scnprintf(hpp->buf, hpp->size, fmt, buf); -} - -static int hpp__header_formula(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp) -{ - const char *fmt = symbol_conf.field_sep ? "%s" : "%70s"; - - return scnprintf(hpp->buf, hpp->size, fmt, "Formula"); -} - -static int hpp__width_formula(struct perf_hpp_fmt *fmt __maybe_unused, - struct perf_hpp *hpp __maybe_unused) -{ - return 70; -} - -static int hpp__entry_formula(struct perf_hpp_fmt *_fmt __maybe_unused, - struct perf_hpp *hpp, struct hist_entry *he) -{ - struct hist_entry *pair = hist_entry__next_pair(he); - const char *fmt = symbol_conf.field_sep ? "%s" : "%-70s"; - char buf[96] = " "; - - if (pair) - perf_diff__formula(he, pair, buf, sizeof(buf)); - - return scnprintf(hpp->buf, hpp->size, fmt, buf); -} - #define HPP__COLOR_PRINT_FNS(_name) \ { \ .header = hpp__header_ ## _name, \ @@ -380,19 +179,13 @@ static int hpp__entry_formula(struct perf_hpp_fmt *_fmt __maybe_unused, } struct perf_hpp_fmt perf_hpp__format[] = { - HPP__COLOR_PRINT_FNS(baseline), HPP__COLOR_PRINT_FNS(overhead), HPP__COLOR_PRINT_FNS(overhead_sys), HPP__COLOR_PRINT_FNS(overhead_us), HPP__COLOR_PRINT_FNS(overhead_guest_sys), HPP__COLOR_PRINT_FNS(overhead_guest_us), HPP__PRINT_FNS(samples), - HPP__PRINT_FNS(period), - HPP__PRINT_FNS(period_baseline), - HPP__PRINT_FNS(delta), - HPP__PRINT_FNS(ratio), - HPP__PRINT_FNS(wdiff), - HPP__PRINT_FNS(formula) + HPP__PRINT_FNS(period) }; LIST_HEAD(perf_hpp__list); diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 0c62116d4d3..79681f62ef2 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -159,7 +159,7 @@ extern struct list_head perf_hpp__list; extern struct perf_hpp_fmt perf_hpp__format[]; enum { - PERF_HPP__BASELINE, + /* Matches perf_hpp__format array. */ PERF_HPP__OVERHEAD, PERF_HPP__OVERHEAD_SYS, PERF_HPP__OVERHEAD_US, @@ -167,11 +167,6 @@ enum { PERF_HPP__OVERHEAD_GUEST_US, PERF_HPP__SAMPLES, PERF_HPP__PERIOD, - PERF_HPP__PERIOD_BASELINE, - PERF_HPP__DELTA, - PERF_HPP__RATIO, - PERF_HPP__WEIGHTED_DIFF, - PERF_HPP__FORMULA, PERF_HPP__MAX_INDEX }; -- cgit v1.2.3-70-g09d2 From c818b49820aea96d6a1b43815bae0ee38b09ca0d Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sat, 1 Dec 2012 21:57:04 +0100 Subject: perf diff: Move columns into struct data__file Another step towards multiple data files support. Having columns definition within struct data__file force each data file having its own columns. Signed-off-by: Jiri Olsa Reviewed-by: Namhyung Kim Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Link: http://lkml.kernel.org/n/tip-lnfqj7k7fqw8bz07pupi5464@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-diff.c | 97 +++++++++++++++++++++++++++-------------------- 1 file changed, 55 insertions(+), 42 deletions(-) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 8734f1cee6d..7787ee24a18 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -44,6 +44,7 @@ struct data__file { struct perf_session *session; const char *file; int idx; + struct diff_hpp_fmt fmt[PERF_HPP_DIFF__MAX_INDEX]; }; static struct data__file *data__files; @@ -584,6 +585,17 @@ static void data_process(void) } } +static void data__free(struct data__file *d) +{ + int col; + + for (col = 0; col < PERF_HPP_DIFF__MAX_INDEX; col++) { + struct diff_hpp_fmt *fmt = &d->fmt[col]; + + free(fmt->header); + } +} + static int __cmd_diff(void) { struct data__file *d; @@ -613,6 +625,8 @@ static int __cmd_diff(void) data__for_each_file(i, d) { if (d->session) perf_session__delete(d->session); + + data__free(d); } free(data__files); @@ -818,32 +832,6 @@ static int hpp__width(struct perf_hpp_fmt *fmt, return dfmt->header_width; } -#define hpp__color_global hpp__entry_global - -#define FMT(_i, _entry, _color) \ - [_i] = { \ - .fmt = { \ - .header = hpp__header, \ - .width = hpp__width, \ - .entry = hpp__entry_ ## _entry, \ - .color = hpp__color_ ## _color, \ - }, \ - .idx = _i, \ - } - -#define FMT_GLOBAL(_i) FMT(_i, global, global) -#define FMT_BASELINE(_i) FMT(_i, global, baseline) - -static struct diff_hpp_fmt diff_fmt[] = { - FMT_BASELINE(PERF_HPP_DIFF__BASELINE), - FMT_GLOBAL(PERF_HPP_DIFF__PERIOD), - FMT_GLOBAL(PERF_HPP_DIFF__PERIOD_BASELINE), - FMT_GLOBAL(PERF_HPP_DIFF__DELTA), - FMT_GLOBAL(PERF_HPP_DIFF__RATIO), - FMT_GLOBAL(PERF_HPP_DIFF__WEIGHTED_DIFF), - FMT_GLOBAL(PERF_HPP_DIFF__FORMULA), -}; - static void init_header(struct diff_hpp_fmt *dfmt) { #define MAX_HEADER_NAME 100 @@ -873,31 +861,56 @@ static void init_header(struct diff_hpp_fmt *dfmt) #undef NAME } -static void column_enable(unsigned col) +static void data__hpp_register(struct data__file *d, int idx) { - struct diff_hpp_fmt *dfmt; + struct diff_hpp_fmt *dfmt = &d->fmt[idx]; + struct perf_hpp_fmt *fmt = &dfmt->fmt; + + dfmt->idx = idx; + + fmt->header = hpp__header; + fmt->width = hpp__width; + fmt->entry = hpp__entry_global; + + /* TODO more colors */ + if (idx == PERF_HPP_DIFF__BASELINE) + fmt->color = hpp__color_baseline; - BUG_ON(col >= PERF_HPP_DIFF__MAX_INDEX); - dfmt = &diff_fmt[col]; init_header(dfmt); - perf_hpp__column_register(&dfmt->fmt); + perf_hpp__column_register(fmt); } static void ui_init(void) { - /* - * Display baseline/delta/ratio/ - * formula/periods columns. - */ - column_enable(PERF_HPP_DIFF__BASELINE); - column_enable(compute_2_hpp[compute]); + struct data__file *d; + int i; + + data__for_each_file(i, d) { + + /* + * Baseline or compute realted columns: + * + * PERF_HPP_DIFF__BASELINE + * PERF_HPP_DIFF__DELTA + * PERF_HPP_DIFF__RATIO + * PERF_HPP_DIFF__WEIGHTED_DIFF + */ + data__hpp_register(d, i ? compute_2_hpp[compute] : + PERF_HPP_DIFF__BASELINE); - if (show_formula) - column_enable(PERF_HPP_DIFF__FORMULA); + /* + * And the rest: + * + * PERF_HPP_DIFF__FORMULA + * PERF_HPP_DIFF__PERIOD + * PERF_HPP_DIFF__PERIOD_BASELINE + */ + if (show_formula && i) + data__hpp_register(d, PERF_HPP_DIFF__FORMULA); - if (show_period) { - column_enable(PERF_HPP_DIFF__PERIOD); - column_enable(PERF_HPP_DIFF__PERIOD_BASELINE); + if (show_period) + data__hpp_register(d, i ? PERF_HPP_DIFF__PERIOD : + PERF_HPP_DIFF__PERIOD_BASELINE); } } -- cgit v1.2.3-70-g09d2 From 22aeb7f597650284591ad0f61b069ded3ecf91db Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sat, 1 Dec 2012 22:00:00 +0100 Subject: perf diff: Change diff command to work over multiple data files Adding diff command the flexibility to specify multiple data files on input. If not input file is given the standard behaviour stands and diff inspects 'perf.data' and 'perf.data.old' files. Signed-off-by: Jiri Olsa Reviewed-by: Namhyung Kim Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-8j3xer54ltvs76t0fh01gcvu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-diff.c | 99 +++++++++++++++++++++++++++++++---------------- 1 file changed, 66 insertions(+), 33 deletions(-) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 7787ee24a18..cc7bf4faacd 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -44,6 +44,7 @@ struct data__file { struct perf_session *session; const char *file; int idx; + struct hists *hists; struct diff_hpp_fmt fmt[PERF_HPP_DIFF__MAX_INDEX]; }; @@ -56,6 +57,7 @@ static int data__files_cnt; i++, d = &data__files[i]) #define data__for_each_file(i, d) data__for_each_file_start(i, d, 0) +#define data__for_each_file_new(i, d) data__for_each_file_start(i, d, 1) static char diff__default_sort_order[] = "dso,symbol"; static bool force; @@ -525,23 +527,19 @@ static void hists__compute_resort(struct hists *hists) } } -static void hists__process(struct hists *base, struct hists *new) +static void hists__process(struct hists *hists) { - hists__match(base, new); - if (show_baseline_only) - hists__baseline_only(base); - else - hists__link(base, new); + hists__baseline_only(hists); if (sort_compute) { - hists__precompute(base); - hists__compute_resort(base); + hists__precompute(hists); + hists__compute_resort(hists); } else { - hists__output_resort(base); + hists__output_resort(hists); } - hists__fprintf(base, true, 0, 0, 0, stdout); + hists__fprintf(hists, true, 0, 0, 0, stdout); } static void data__fprintf(void) @@ -561,27 +559,40 @@ static void data__fprintf(void) static void data_process(void) { - struct perf_evlist *evlist_old = data__files[0].session->evlist; - struct perf_evlist *evlist_new = data__files[1].session->evlist; - struct perf_evsel *evsel_old; + struct perf_evlist *evlist_base = data__files[0].session->evlist; + struct perf_evsel *evsel_base; bool first = true; - list_for_each_entry(evsel_old, &evlist_old->entries, node) { - struct perf_evsel *evsel_new; + list_for_each_entry(evsel_base, &evlist_base->entries, node) { + struct data__file *d; + int i; - evsel_new = evsel_match(evsel_old, evlist_new); - if (!evsel_new) - continue; + data__for_each_file_new(i, d) { + struct perf_evlist *evlist = d->session->evlist; + struct perf_evsel *evsel; + + evsel = evsel_match(evsel_base, evlist); + if (!evsel) + continue; + + d->hists = &evsel->hists; + + hists__match(&evsel_base->hists, &evsel->hists); + + if (!show_baseline_only) + hists__link(&evsel_base->hists, + &evsel->hists); + } fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n", - perf_evsel__name(evsel_old)); + perf_evsel__name(evsel_base)); first = false; - if (verbose) + if (verbose || data__files_cnt > 2) data__fprintf(); - hists__process(&evsel_old->hists, &evsel_new->hists); + hists__process(&evsel_base->hists); } } @@ -780,10 +791,29 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, }; } +static struct hist_entry *get_pair(struct hist_entry *he, + struct diff_hpp_fmt *dfmt) +{ + void *ptr = dfmt - dfmt->idx; + struct data__file *d = container_of(ptr, struct data__file, fmt); + + if (hist_entry__has_pairs(he)) { + struct hist_entry *pair; + + list_for_each_entry(pair, &he->pairs.head, pairs.node) + if (pair->hists == d->hists) + return pair; + } + + return NULL; +} + static void -__hpp__entry_global(struct hist_entry *he, int idx, char *buf, size_t size) +__hpp__entry_global(struct hist_entry *he, struct diff_hpp_fmt *dfmt, + char *buf, size_t size) { - struct hist_entry *pair = hist_entry__next_pair(he); + struct hist_entry *pair = get_pair(he, dfmt); + int idx = dfmt->idx; /* baseline is special */ if (idx == PERF_HPP_DIFF__BASELINE) @@ -803,7 +833,7 @@ static int hpp__entry_global(struct perf_hpp_fmt *_fmt, struct perf_hpp *hpp, container_of(_fmt, struct diff_hpp_fmt, fmt); char buf[MAX_COL_WIDTH] = " "; - __hpp__entry_global(he, dfmt->idx, buf, MAX_COL_WIDTH); + __hpp__entry_global(he, dfmt, buf, MAX_COL_WIDTH); if (symbol_conf.field_sep) return scnprintf(hpp->buf, hpp->size, "%s", buf); @@ -832,7 +862,7 @@ static int hpp__width(struct perf_hpp_fmt *fmt, return dfmt->header_width; } -static void init_header(struct diff_hpp_fmt *dfmt) +static void init_header(struct data__file *d, struct diff_hpp_fmt *dfmt) { #define MAX_HEADER_NAME 100 char buf_indent[MAX_HEADER_NAME]; @@ -847,6 +877,9 @@ static void init_header(struct diff_hpp_fmt *dfmt) /* Only our defined HPP fmts should appear here. */ BUG_ON(!header); + if (data__files_cnt > 2) + scnprintf(buf, MAX_HEADER_NAME, "%s/%d", header, d->idx); + #define NAME (data__files_cnt > 2 ? buf : header) dfmt->header_width = width; width = (int) strlen(NAME); @@ -876,7 +909,7 @@ static void data__hpp_register(struct data__file *d, int idx) if (idx == PERF_HPP_DIFF__BASELINE) fmt->color = hpp__color_baseline; - init_header(dfmt); + init_header(d, dfmt); perf_hpp__column_register(fmt); } @@ -921,18 +954,18 @@ static int data_init(int argc, const char **argv) "perf.data.old", "perf.data", }; + bool use_default = true; int i; data__files_cnt = 2; if (argc) { - if (argc > 2) - usage_with_options(diff_usage, options); - if (argc == 2) { - defaults[0] = argv[0]; - defaults[1] = argv[1]; - } else + if (argc == 1) defaults[1] = argv[0]; + else { + data__files_cnt = argc; + use_default = false; + } } else if (symbol_conf.default_guest_vmlinux_name || symbol_conf.default_guest_kallsyms) { defaults[0] = "perf.data.host"; @@ -944,7 +977,7 @@ static int data_init(int argc, const char **argv) return -ENOMEM; data__for_each_file(i, d) { - d->file = defaults[i]; + d->file = use_default ? defaults[i] : argv[i]; d->idx = i; } -- cgit v1.2.3-70-g09d2 From ef358e6dcaba76d1c00dba5fc6cd4cde1d1a2f13 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sun, 21 Oct 2012 23:31:51 +0200 Subject: perf diff: Making compute functions static All compute functions are now local to the diff command, making them static. Signed-off-by: Jiri Olsa Reviewed-by: Namhyung Kim Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-mpmm8l71mnlp7139voba3aak@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-diff.c | 30 +++++++++++++++--------------- tools/perf/util/hist.h | 7 ------- 2 files changed, 15 insertions(+), 22 deletions(-) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index cc7bf4faacd..f2fbf69ad98 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -224,23 +224,23 @@ static int setup_compute(const struct option *opt, const char *str, return -EINVAL; } -double perf_diff__period_percent(struct hist_entry *he, u64 period) +static double period_percent(struct hist_entry *he, u64 period) { u64 total = he->hists->stats.total_period; return (period * 100.0) / total; } -double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair) +static double compute_delta(struct hist_entry *he, struct hist_entry *pair) { - double old_percent = perf_diff__period_percent(he, he->stat.period); - double new_percent = perf_diff__period_percent(pair, pair->stat.period); + double old_percent = period_percent(he, he->stat.period); + double new_percent = period_percent(pair, pair->stat.period); pair->diff.period_ratio_delta = new_percent - old_percent; pair->diff.computed = true; return pair->diff.period_ratio_delta; } -double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair) +static double compute_ratio(struct hist_entry *he, struct hist_entry *pair) { double old_period = he->stat.period ?: 1; double new_period = pair->stat.period; @@ -250,7 +250,7 @@ double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair) return pair->diff.period_ratio; } -s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair) +static s64 compute_wdiff(struct hist_entry *he, struct hist_entry *pair) { u64 old_period = he->stat.period; u64 new_period = pair->stat.period; @@ -292,8 +292,8 @@ static int formula_wdiff(struct hist_entry *he, struct hist_entry *pair, new_period, compute_wdiff_w2, old_period, compute_wdiff_w1); } -int perf_diff__formula(struct hist_entry *he, struct hist_entry *pair, - char *buf, size_t size) +static int formula_fprintf(struct hist_entry *he, struct hist_entry *pair, + char *buf, size_t size) { switch (compute) { case COMPUTE_DELTA: @@ -421,13 +421,13 @@ static void hists__precompute(struct hists *hists) switch (compute) { case COMPUTE_DELTA: - perf_diff__compute_delta(he, pair); + compute_delta(he, pair); break; case COMPUTE_RATIO: - perf_diff__compute_ratio(he, pair); + compute_ratio(he, pair); break; case COMPUTE_WEIGHTED_DIFF: - perf_diff__compute_wdiff(he, pair); + compute_wdiff(he, pair); break; default: BUG_ON(1); @@ -744,7 +744,7 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, if (pair->diff.computed) diff = pair->diff.period_ratio_delta; else - diff = perf_diff__compute_delta(he, pair); + diff = compute_delta(he, pair); if (fabs(diff) >= 0.01) scnprintf(buf, size, "%+4.2F%%", diff); @@ -758,7 +758,7 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, if (pair->diff.computed) ratio = pair->diff.period_ratio; else - ratio = perf_diff__compute_ratio(he, pair); + ratio = compute_ratio(he, pair); if (ratio > 0.0) scnprintf(buf, size, "%14.6F", ratio); @@ -772,14 +772,14 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, if (pair->diff.computed) wdiff = pair->diff.wdiff; else - wdiff = perf_diff__compute_wdiff(he, pair); + wdiff = compute_wdiff(he, pair); if (wdiff != 0) scnprintf(buf, size, "%14ld", wdiff); break; case PERF_HPP_DIFF__FORMULA: - perf_diff__formula(he, pair, buf, size); + formula_fprintf(he, pair, buf, size); break; case PERF_HPP_DIFF__PERIOD: diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 79681f62ef2..bfcbb11c264 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -242,11 +242,4 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, #endif unsigned int hists__sort_list_width(struct hists *self); - -double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair); -double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair); -s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair); -int perf_diff__formula(struct hist_entry *he, struct hist_entry *pair, - char *buf, size_t size); -double perf_diff__period_percent(struct hist_entry *he, u64 period); #endif /* __PERF_HIST_H */ -- cgit v1.2.3-70-g09d2 From 5f3f8d3b1207cba3664d57a33de43f5ee11c8a06 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Sun, 25 Nov 2012 23:10:20 +0100 Subject: perf diff: Add generic order option for compute sorting Adding option 'o' to allow sorting based on the input file number. By default (without -o option) the output is sorted on baseline. Also removing '+' sorting support from -c option, because it's not needed anymore. Signed-off-by: Jiri Olsa Reviewed-by: Namhyung Kim Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-l7dvhgt0azm7yiqg3fbn4dxw@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-diff.txt | 6 ++- tools/perf/builtin-diff.c | 95 +++++++++++++++++++++++----------- 2 files changed, 70 insertions(+), 31 deletions(-) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt index 2d134f3f1c9..fdfceee0ffd 100644 --- a/tools/perf/Documentation/perf-diff.txt +++ b/tools/perf/Documentation/perf-diff.txt @@ -75,8 +75,6 @@ OPTIONS -c:: --compute:: Differential computation selection - delta,ratio,wdiff (default is delta). - If '+' is specified as a first character, the output is sorted based - on the computation results. See COMPARISON METHODS section for more info. -p:: @@ -87,6 +85,10 @@ OPTIONS --formula:: Show formula for given computation. +-o:: +--order:: + Specify compute sorting column number. + COMPARISON ---------- The comparison is governed by the baseline file. The baseline perf.data diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index f2fbf69ad98..93de3ac177c 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -64,7 +64,7 @@ static bool force; static bool show_period; static bool show_formula; static bool show_baseline_only; -static bool sort_compute; +static unsigned int sort_compute; static s64 compute_wdiff_w1; static s64 compute_wdiff_w2; @@ -188,13 +188,6 @@ static int setup_compute(const struct option *opt, const char *str, return 0; } - if (*str == '+') { - sort_compute = true; - cstr = (char *) ++str; - if (!*str) - return 0; - } - option = strchr(str, ':'); if (option) { unsigned len = option++ - str; @@ -378,6 +371,29 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist) } } +static struct hist_entry* +get_pair_data(struct hist_entry *he, struct data__file *d) +{ + if (hist_entry__has_pairs(he)) { + struct hist_entry *pair; + + list_for_each_entry(pair, &he->pairs.head, pairs.node) + if (pair->hists == d->hists) + return pair; + } + + return NULL; +} + +static struct hist_entry* +get_pair_fmt(struct hist_entry *he, struct diff_hpp_fmt *dfmt) +{ + void *ptr = dfmt - dfmt->idx; + struct data__file *d = container_of(ptr, struct data__file, fmt); + + return get_pair_data(he, d); +} + static void hists__baseline_only(struct hists *hists) { struct rb_root *root; @@ -412,10 +428,12 @@ static void hists__precompute(struct hists *hists) next = rb_first(root); while (next != NULL) { - struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node_in); - struct hist_entry *pair = hist_entry__next_pair(he); + struct hist_entry *he, *pair; + he = rb_entry(next, struct hist_entry, rb_node_in); next = rb_next(&he->rb_node_in); + + pair = get_pair_data(he, &data__files[sort_compute]); if (!pair) continue; @@ -446,7 +464,7 @@ static int64_t cmp_doubles(double l, double r) } static int64_t -hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, +__hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, int c) { switch (c) { @@ -478,6 +496,36 @@ hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, return 0; } +static int64_t +hist_entry__cmp_compute(struct hist_entry *left, struct hist_entry *right, + int c) +{ + bool pairs_left = hist_entry__has_pairs(left); + bool pairs_right = hist_entry__has_pairs(right); + struct hist_entry *p_right, *p_left; + + if (!pairs_left && !pairs_right) + return 0; + + if (!pairs_left || !pairs_right) + return pairs_left ? -1 : 1; + + p_left = get_pair_data(left, &data__files[sort_compute]); + p_right = get_pair_data(right, &data__files[sort_compute]); + + if (!p_left && !p_right) + return 0; + + if (!p_left || !p_right) + return p_left ? -1 : 1; + + /* + * We have 2 entries of same kind, let's + * make the data comparison. + */ + return __hist_entry__cmp_compute(p_left, p_right, c); +} + static void insert_hist_entry_by_compute(struct rb_root *root, struct hist_entry *he, int c) @@ -680,6 +728,7 @@ static const struct option options[] = { "columns '.' is reserved."), OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), + OPT_UINTEGER('o', "order", &sort_compute, "Specify compute sorting."), OPT_END() }; @@ -791,28 +840,11 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair, }; } -static struct hist_entry *get_pair(struct hist_entry *he, - struct diff_hpp_fmt *dfmt) -{ - void *ptr = dfmt - dfmt->idx; - struct data__file *d = container_of(ptr, struct data__file, fmt); - - if (hist_entry__has_pairs(he)) { - struct hist_entry *pair; - - list_for_each_entry(pair, &he->pairs.head, pairs.node) - if (pair->hists == d->hists) - return pair; - } - - return NULL; -} - static void __hpp__entry_global(struct hist_entry *he, struct diff_hpp_fmt *dfmt, char *buf, size_t size) { - struct hist_entry *pair = get_pair(he, dfmt); + struct hist_entry *pair = get_pair_fmt(he, dfmt); int idx = dfmt->idx; /* baseline is special */ @@ -972,6 +1004,11 @@ static int data_init(int argc, const char **argv) defaults[1] = "perf.data.guest"; } + if (sort_compute >= (unsigned int) data__files_cnt) { + pr_err("Order option out of limit.\n"); + return -EINVAL; + } + data__files = zalloc(sizeof(*data__files) * data__files_cnt); if (!data__files) return -ENOMEM; -- cgit v1.2.3-70-g09d2 From e44baa3ea1eaa09d7d247a9b245fcff06561bf96 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Thu, 8 Aug 2013 14:32:25 +0300 Subject: perf tools: Remove filter parameter of perf_event__preprocess_sample() Now that the symbol filter is recorded on the machine there is no need to pass it to perf_event__preprocess_sample(). So remove it. Signed-off-by: Adrian Hunter Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1375961547-30267-7-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-annotate.c | 3 +-- tools/perf/builtin-diff.c | 2 +- tools/perf/builtin-mem.c | 3 +-- tools/perf/builtin-report.c | 3 +-- tools/perf/builtin-script.c | 2 +- tools/perf/builtin-top.c | 3 +-- tools/perf/tests/hists_link.c | 4 ++-- tools/perf/util/event.c | 8 ++++---- tools/perf/util/event.h | 3 +-- tools/perf/util/session.c | 3 +-- 10 files changed, 14 insertions(+), 20 deletions(-) (limited to 'tools/perf/builtin-diff.c') diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 9754cb140a5..f988d380c52 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -90,8 +90,7 @@ static int process_sample_event(struct perf_tool *tool, struct perf_annotate *ann = container_of(tool, struct perf_annotate, tool); struct addr_location al; - if (perf_event__preprocess_sample(event, machine, &al, sample, - machine->symbol_filter) < 0) { + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { pr_warning("problem processing %d event, skipping it.\n", event->header.type); return -1; diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 93de3ac177c..f28799e94f2 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -319,7 +319,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused, { struct addr_location al; - if (perf_event__preprocess_sample(event, machine, &al, sample, NULL) < 0) { + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { pr_warning("problem processing %d event, skipping it.\n", event->header.type); return -1; diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index f96168c769c..706a1faa955 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -68,8 +68,7 @@ dump_raw_samples(struct perf_tool *tool, struct addr_location al; const char *fmt; - if (perf_event__preprocess_sample(event, machine, &al, sample, - NULL) < 0) { + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { fprintf(stderr, "problem processing %d event, skipping it.\n", event->header.type); return -1; diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index f06a5a228c7..958a56a0e39 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -304,8 +304,7 @@ static int process_sample_event(struct perf_tool *tool, struct addr_location al; int ret; - if (perf_event__preprocess_sample(event, machine, &al, sample, - machine->symbol_filter) < 0) { + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { fprintf(stderr, "problem processing %d event, skipping it.\n", event->header.type); return -1; diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 33b2d830eab..a7d623f39c4 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -520,7 +520,7 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused, return 0; } - if (perf_event__preprocess_sample(event, machine, &al, sample, 0) < 0) { + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { pr_err("problem processing %d event, skipping it.\n", event->header.type); return -1; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index a63ade22cbc..e37521fc715 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -716,8 +716,7 @@ static void perf_event__process_sample(struct perf_tool *tool, if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) top->exact_samples++; - if (perf_event__preprocess_sample(event, machine, &al, sample, - machine->symbol_filter) < 0 || + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0 || al.filtered) return; diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c index 89085a9615e..50bfb01183e 100644 --- a/tools/perf/tests/hists_link.c +++ b/tools/perf/tests/hists_link.c @@ -220,7 +220,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) }; if (perf_event__preprocess_sample(&event, machine, &al, - &sample, 0) < 0) + &sample) < 0) goto out; he = __hists__add_entry(&evsel->hists, &al, NULL, 1, 1); @@ -244,7 +244,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) }; if (perf_event__preprocess_sample(&event, machine, &al, - &sample, 0) < 0) + &sample) < 0) goto out; he = __hists__add_entry(&evsel->hists, &al, NULL, 1, 1); diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index cc7c0c9c9ea..f3cf771d362 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -683,8 +683,7 @@ void thread__find_addr_location(struct thread *thread, struct machine *machine, int perf_event__preprocess_sample(const union perf_event *event, struct machine *machine, struct addr_location *al, - struct perf_sample *sample, - symbol_filter_t filter) + struct perf_sample *sample) { u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; struct thread *thread = machine__findnew_thread(machine, event->ip.pid); @@ -709,7 +708,7 @@ int perf_event__preprocess_sample(const union perf_event *event, machine__create_kernel_maps(machine); thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, - event->ip.ip, al, filter); + event->ip.ip, al, machine->symbol_filter); dump_printf(" ...... dso: %s\n", al->map ? al->map->dso->long_name : al->level == 'H' ? "[hypervisor]" : ""); @@ -727,7 +726,8 @@ int perf_event__preprocess_sample(const union perf_event *event, dso->long_name))))) goto out_filtered; - al->sym = map__find_symbol(al->map, al->addr, filter); + al->sym = map__find_symbol(al->map, al->addr, + machine->symbol_filter); } if (symbol_conf.sym_list && diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 6119a649d86..15db071d96b 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -234,8 +234,7 @@ struct addr_location; int perf_event__preprocess_sample(const union perf_event *self, struct machine *machine, struct addr_location *al, - struct perf_sample *sample, - symbol_filter_t filter); + struct perf_sample *sample); const char *perf_event__name(unsigned int id); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 4d9028eef34..de16a773685 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1503,8 +1503,7 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, int print_oneline = print_opts & PRINT_IP_OPT_ONELINE; char s = print_oneline ? ' ' : '\t'; - if (perf_event__preprocess_sample(event, machine, &al, sample, - NULL) < 0) { + if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { error("problem processing %d event, skipping it.\n", event->header.type); return; -- cgit v1.2.3-70-g09d2