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perf annotate: Add symbol__calc_percent function

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Add symbol__calc_percent function, that calculates annotation data for
symbol and put the data in the struct annotation_line::samples array.

Committer notes:

Made symbol__calc_percent non static to be used in the next two patches,
which will get some fixups from jolsa, doing it this way to keep this
bisectable.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20171011150158.11895-18-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2017-10-11 17:01:40 +02:00
committed by Arnaldo Carvalho de Melo
parent 7e304557ea
commit 073ae601ed
2 changed files with 62 additions and 1 deletions
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1
tools/perf/util/annotate.h
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@@ -107,6 +107,7 @@ int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool r
size_t disasm__fprintf(struct list_head *head, FILE *fp);
double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset,
s64 end, const char **path, struct sym_hist_entry *sample);
int symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel);
struct sym_hist {
u64 nr_samples;