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perf report: Add option to show total period

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2011-10-05 16:10:06 -03:00
parent ef9dfe6ec3
commit 3f2728bdb6
4 changed files with 24 additions and 0 deletions
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19
tools/perf/util/hist.c
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@@ -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);