diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-10-05 19:10:06 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-10-07 15:12:13 (GMT) |
| commit | 3f2728bdb6a4cad0d18b09d03e2008121c902751 (patch) | |
| tree | 926f27a763d02bf75f43beb02b498d7bc43eb89f /tools/perf | |
| parent | ef9dfe6ec3e409b68e35c05b882d636140bb3fa7 (diff) | |
| download | linux-3f2728bdb6a4cad0d18b09d03e2008121c902751.tar.xz | |
perf report: Add option to show total period
Just like --show-nr-samples, to help in diagnosing problems in the
tools.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-1lr7ejdjfvy2uwy2wkmatcpq@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 2 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/hist.c | 19 | ||||
| -rw-r--r-- | tools/perf/util/symbol.h | 1 |
4 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 6349b6c..4e82c19 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -137,6 +137,8 @@ OPTIONS -M:: --disassembler-style=:: Set disassembler style for objdump. +--show-total-period:: Show a column with the sum of periods. + SEE ALSO -------- linkperf:perf-stat[1] diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index b125742..c1cc7ab 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -486,6 +486,8 @@ static const struct option options[] = { OPT_STRING('c', "cpu", &cpu_list, "cpu", "list of cpus to profile"), OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", "Specify disassembler style (e.g. -M intel for intel syntax)"), + OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, + "Show a column with the sum of periods"), OPT_END() }; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 24cca0a..32c9086 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -664,6 +664,13 @@ int hist_entry__snprintf(struct hist_entry *self, char *s, size_t size, ret += snprintf(s + ret, size - ret, "%11" PRIu64, nr_events); } + if (symbol_conf.show_total_period) { + if (sep) + ret += snprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period); + else + ret += snprintf(s + ret, size - ret, " %12" PRIu64, period); + } + if (pair_hists) { char bf[32]; double old_percent = 0, new_percent = 0, diff; @@ -770,6 +777,13 @@ size_t hists__fprintf(struct hists *hists, struct hists *pair, fputs(" Samples ", fp); } + if (symbol_conf.show_total_period) { + if (sep) + ret += fprintf(fp, "%cPeriod", *sep); + else + ret += fprintf(fp, " Period "); + } + if (symbol_conf.show_cpu_utilization) { if (sep) { ret += fprintf(fp, "%csys", *sep); @@ -834,6 +848,8 @@ size_t hists__fprintf(struct hists *hists, struct hists *pair, fprintf(fp, "# ........"); if (symbol_conf.show_nr_samples) fprintf(fp, " .........."); + if (symbol_conf.show_total_period) + fprintf(fp, " ............"); if (pair) { fprintf(fp, " .........."); if (show_displacement) @@ -917,6 +933,9 @@ unsigned int hists__sort_list_width(struct hists *hists) if (symbol_conf.show_nr_samples) ret += 11; + if (symbol_conf.show_total_period) + ret += 13; + list_for_each_entry(se, &hist_entry__sort_list, list) if (!se->elide) ret += 2 + hists__col_len(hists, se->se_width_idx); diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 7733f0b..29f8d74 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -72,6 +72,7 @@ struct symbol_conf { use_modules, sort_by_name, show_nr_samples, + show_total_period, use_callchain, exclude_other, show_cpu_utilization, |