[PATCH 3/4] perf annotate: Support --show-nr-samples option
From: Taeung Song
Date: Tue Jul 11 2017 - 18:14:53 EST
Add --show-nr-samples option to perf-annotate
so that it corresponds with perf-report.
Additionally h->sum is properly renamed h->nr_samples.
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Milian Wolff <milian.wolff@xxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Taeung Song <treeze.taeung@xxxxxxxxx>
---
tools/perf/builtin-annotate.c | 2 ++
tools/perf/ui/gtk/annotate.c | 2 +-
tools/perf/util/annotate.c | 30 +++++++++++++++++-------------
tools/perf/util/annotate.h | 2 +-
4 files changed, 21 insertions(+), 15 deletions(-)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index f314661..3cb0223 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -444,6 +444,8 @@ int cmd_annotate(int argc, const char **argv)
"Show event group information together"),
OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
"Show a column with the sum of periods"),
+ OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
+ "Show a column with the number of samples"),
OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode",
"'always' (default), 'never' or 'auto' only applicable to --stdio mode",
stdio__config_color, "always"),
diff --git a/tools/perf/ui/gtk/annotate.c b/tools/perf/ui/gtk/annotate.c
index d736fd5..0217619 100644
--- a/tools/perf/ui/gtk/annotate.c
+++ b/tools/perf/ui/gtk/annotate.c
@@ -37,7 +37,7 @@ static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
if (!symbol_conf.event_group && !symhist->addr[dl->offset].nr_samples)
return 0;
- percent = 100.0 * symhist->addr[dl->offset].nr_samples / symhist->sum;
+ percent = 100.0 * symhist->addr[dl->offset].nr_samples / symhist->nr_samples;
markup = perf_gtk__get_percent_color(percent);
if (markup)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index f7aeb5f..b19e734 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -713,7 +713,7 @@ static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map,
offset = addr - sym->start;
h = annotation__histogram(notes, evidx);
- h->sum++;
+ h->nr_samples++;
h->addr[offset].nr_samples++;
pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64
@@ -837,7 +837,7 @@ int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *samp
offset = addr - sym->start;
h = annotation__histogram(notes, evidx);
- h->sum++;
+ h->nr_samples++;
h->addr[offset].nr_samples++;
h->total_period += sample->period;
h->addr[offset].period += sample->period;
@@ -985,10 +985,10 @@ double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
p += h->addr[offset++].period;
}
- if (h->sum) {
+ if (h->nr_samples) {
*nr_samples = hits;
*period = p;
- percent = 100.0 * hits / h->sum;
+ percent = 100.0 * hits / h->nr_samples;
}
}
@@ -1165,6 +1165,9 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
if (symbol_conf.show_total_period)
color_fprintf(stdout, color, " %11" PRIu64,
period);
+ else if (symbol_conf.show_nr_samples)
+ color_fprintf(stdout, color, " %7" PRIu64,
+ nr_samples);
else
color_fprintf(stdout, color, " %7.2f", percent);
}
@@ -1711,13 +1714,13 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map,
struct sym_hist *h = annotation__histogram(notes, evidx);
struct rb_root tmp_root = RB_ROOT;
int nr_pcnt = 1;
- u64 h_sum = h->sum;
+ u64 h_sum = h->nr_samples;
size_t sizeof_src_line = sizeof(struct source_line);
if (perf_evsel__is_group_event(evsel)) {
for (i = 1; i < evsel->nr_members; i++) {
h = annotation__histogram(notes, evidx + i);
- h_sum += h->sum;
+ h_sum += h->nr_samples;
}
nr_pcnt = evsel->nr_members;
sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->samples);
@@ -1743,8 +1746,8 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map,
h = annotation__histogram(notes, evidx + k);
nr_samples = h->addr[i].nr_samples;
- if (h->sum)
- percent = 100.0 * nr_samples / h->sum;
+ if (h->nr_samples)
+ percent = 100.0 * nr_samples / h->nr_samples;
if (percent > percent_max)
percent_max = percent;
@@ -1816,7 +1819,7 @@ static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel)
if (h->addr[offset].nr_samples != 0)
printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
sym->start + offset, h->addr[offset].nr_samples);
- printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum);
+ printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples);
}
int symbol__annotate_printf(struct symbol *sym, struct map *map,
@@ -1857,9 +1860,10 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map,
graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " %s)\n",
width, width,
- symbol_conf.show_total_period ? "Event count" : "Percent",
+ symbol_conf.show_total_period ? "Event count" :
+ symbol_conf.show_nr_samples ? "Samples" : "Percent",
d_filename, evsel_name,
- symbol_conf.show_total_period ? h->total_period : h->sum,
+ symbol_conf.show_total_period ? h->total_period : h->nr_samples,
symbol_conf.show_total_period ? "event count" : "samples");
printf("%-*.*s----\n",
@@ -1924,10 +1928,10 @@ void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
struct sym_hist *h = annotation__histogram(notes, evidx);
int len = symbol__size(sym), offset;
- h->sum = 0;
+ h->nr_samples = 0;
for (offset = 0; offset < len; ++offset) {
h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8;
- h->sum += h->addr[offset].nr_samples;
+ h->nr_samples += h->addr[offset].nr_samples;
}
}
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 6b2e645..e4d444a 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -86,7 +86,7 @@ struct sym_sample {
};
struct sym_hist {
- u64 sum;
+ u64 nr_samples;
u64 total_period;
struct sym_sample addr[0];
};
--
2.7.4