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Date: Sat, 10 Nov 2012 02:27:18 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Jiri Olsa <jolsa@...hat.com>,
Stephane Eranian <eranian@...gle.com>,
Andi Kleen <ak@...ux.intel.com>,
David Ahern <dsahern@...il.com>,
LKML <linux-kernel@...r.kernel.org>,
Namhyung Kim <namhyung.kim@....com>
Subject: [PATCH 07/13] perf annotate: Basic support for event group view
From: Namhyung Kim <namhyung.kim@....com>
Add support for event group view when symbol_conf.event_group enabled.
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
tools/perf/util/annotate.c | 86 +++++++++++++++++++++++++++++++++++---------
1 file changed, 69 insertions(+), 17 deletions(-)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index f985866304ff..5b44c3b1a166 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -637,15 +637,17 @@ struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disa
static void disasm__calc_percent(struct symbol *sym, struct perf_evsel *evsel,
s64 from, s64 to, const char **path,
- double *percent)
+ double *percent, int nr_percent)
{
struct annotation *notes = symbol__annotation(sym);
struct source_line *src_line = notes->src->lines;
struct sym_hist *h;
- unsigned int hits = 0;
+ unsigned int hits;
s64 offset = from;
+ int evidx = evsel->idx;
+ int i;
- *percent = 0.0;
+ memset(percent, 0, sizeof(percent) * nr_percent);
if (src_line) {
while (offset < to) {
@@ -656,14 +658,19 @@ static void disasm__calc_percent(struct symbol *sym, struct perf_evsel *evsel,
++offset;
}
} else {
- h = annotation__histogram(notes, evsel->idx);
+ for (i = 0; i < nr_percent; i++) {
+ hits = 0;
+ offset = from;
+ h = annotation__histogram(notes, evidx + i);
+
+ while (offset < to) {
+ hits += h->addr[offset];
+ offset++;
+ }
- while (offset < to) {
- hits += h->addr[offset];
+ if (h->sum)
+ percent[i] = 100.0 * hits / h->sum;
}
-
- if (h->sum)
- *percent = 100.0 * hits / h->sum;
}
}
@@ -677,19 +684,39 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
if (dl->offset != -1) {
const char *path = NULL;
double percent = 0.0;
+ double percent_max = 0.0;
+ double *ppercents = &percent;
+ int i, nr_percents = 1;
const char *color;
struct annotation *notes = symbol__annotation(sym);
s64 offset = dl->offset;
const u64 addr = start + offset;
struct disasm_line *next;
+ if (symbol_conf.event_group) {
+ if (perf_evsel__is_group_leader(evsel) &&
+ evsel->nr_members > 0) {
+ nr_percents = evsel->nr_members + 1;
+ ppercents = calloc(nr_percents, sizeof(double));
+ if (ppercents == NULL)
+ return -1;
+ }
+ }
+
next = disasm__get_next_ip_line(¬es->src->source, dl);
disasm__calc_percent(sym, evsel, offset,
next ? next->offset : (s64) len,
- &path, &percent);
+ &path, ppercents, nr_percents);
+
+ for (i = 0; i < nr_percents; i++) {
+ percent = ppercents[i];
+
+ if (percent > percent_max)
+ percent_max = percent;
+ }
- if (percent < min_pcnt)
+ if (percent_max < min_pcnt)
return -1;
if (max_lines && printed >= max_lines)
@@ -704,7 +731,7 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
}
}
- color = get_percent_color(percent);
+ color = get_percent_color(percent_max);
/*
* Also color the filename and line if needed, with
@@ -720,20 +747,35 @@ static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 st
}
}
- color_fprintf(stdout, color, " %7.2f", percent);
+ for (i = 0; i < nr_percents; i++) {
+ percent = ppercents[i];
+ color = get_percent_color(percent);
+ color_fprintf(stdout, color, " %7.2f", percent);
+ }
+
printf(" : ");
color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr);
color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line);
+
+ if (ppercents != &percent)
+ free(ppercents);
} else if (max_lines && printed >= max_lines)
return 1;
else {
+ int width = 8;
+
if (queue)
return -1;
+ if (symbol_conf.event_group) {
+ if (perf_evsel__is_group_leader(evsel))
+ width *= evsel->nr_members + 1;
+ }
+
if (!*dl->line)
- printf(" :\n");
+ printf(" %*s:\n", width, " ");
else
- printf(" : %s\n", dl->line);
+ printf(" %*s: %s\n", width, " ", dl->line);
}
return 0;
@@ -1096,6 +1138,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map,
int printed = 2, queue_len = 0;
int more = 0;
u64 len;
+ int width = 8;
+ int namelen;
filename = strdup(dso->long_name);
if (!filename)
@@ -1108,8 +1152,16 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map,
len = symbol__size(sym);
- printf(" Percent | Source code & Disassembly of %s\n", d_filename);
- printf("------------------------------------------------\n");
+ if (symbol_conf.event_group) {
+ if (perf_evsel__is_group_leader(evsel))
+ width *= evsel->nr_members + 1;
+ }
+ namelen = strlen(d_filename);
+
+ printf(" %-*.*s| Source code & Disassembly of %s\n",
+ width, width, "Percent", d_filename);
+ printf("-%-*.*s-------------------------------------\n",
+ width + namelen, width + namelen, graph_dotted_line);
if (verbose)
symbol__annotate_hits(sym, evsel);
--
1.7.9.2
--
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