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perf annotate: Introduce annotation_line__max_percent()

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Out of the annotate_browser__write() routine, to be used in the --stdio2
mode.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-0he0wyy4haswqi1qb35x37do@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2018-03-15 17:04:53 -03:00
parent ecda45bd6c
commit 2f025ea0ba
3 changed files with 18 additions and 6 deletions
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7
tools/perf/ui/browsers/annotate.c
View File

@ -117,15 +117,10 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int
int width = browser->width, printed;
int i, pcnt_width = annotation__pcnt_width(notes),
cycles_width = annotation__cycles_width(notes);
double percent_max = 0.0;
double percent_max = annotation_line__max_percent(al, notes);
char bf[256];
bool show_title = false;
for (i = 0; i < notes->nr_events; i++) {
if (al->samples[i].percent > percent_max)
percent_max = al->samples[i].percent;
}
if ((row == 0) && (al->offset == -1 || percent_max == 0.0)) {
if (notes->have_cycles) {
if (al->ipc == 0.0 && al->cycles == 0)

14
tools/perf/util/annotate.c
View File

@ -2184,6 +2184,20 @@ bool ui__has_annotation(void)
return use_browser == 1 && perf_hpp_list.sym;
}
double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes)
{
double percent_max = 0.0;
int i;
for (i = 0; i < notes->nr_events; i++) {
if (al->samples[i].percent > percent_max)
percent_max = al->samples[i].percent;
}
return percent_max;
}
int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel,
struct annotation_options *options, struct arch **parch)
{

3
tools/perf/util/annotate.h
View File

@ -124,6 +124,9 @@ bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym);
void disasm_line__free(struct disasm_line *dl);
struct annotation_line *
annotation_line__next(struct annotation_line *pos, struct list_head *head);
double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes);
int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw);
size_t disasm__fprintf(struct list_head *head, FILE *fp);
void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel);