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perf callchain: Pass parent_samples to __callchain__fprintf_graph()

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Pass hist entry's period to graph callchain print function.  This info
is needed by later patch to determine whether it can omit percentage of
top-level node or not.

No functional change intended.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1453909257-26015-6-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2016-01-28 00:40:52 +09:00 committed by Arnaldo Carvalho de Melo
parent 7e597d327e
commit 54d27b3119
1 changed files with 13 additions and 6 deletions
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19
tools/perf/ui/stdio/hist.c
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@ -166,7 +166,8 @@ static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root,
}
static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
u64 total_samples, int left_margin)
u64 total_samples, u64 parent_samples,
int left_margin)
{
struct callchain_node *cnode;
struct callchain_list *chain;
@ -213,6 +214,9 @@ static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
root = &cnode->rb_root;
}
if (callchain_param.mode == CHAIN_GRAPH_REL)
total_samples = parent_samples;
ret += __callchain__fprintf_graph(fp, root, total_samples,
1, 1, left_margin);
ret += fprintf(fp, "\n");
@ -323,16 +327,19 @@ static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
u64 total_samples, int left_margin,
FILE *fp)
{
u64 parent_samples = he->stat.period;
if (symbol_conf.cumulate_callchain)
parent_samples = he->stat_acc->period;
switch (callchain_param.mode) {
case CHAIN_GRAPH_REL:
return callchain__fprintf_graph(fp, &he->sorted_chain,
symbol_conf.cumulate_callchain ?
he->stat_acc->period : he->stat.period,
left_margin);
return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples,
parent_samples, left_margin);
break;
case CHAIN_GRAPH_ABS:
return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples,
left_margin);
parent_samples, left_margin);
break;
case CHAIN_FLAT:
return callchain__fprintf_flat(fp, &he->sorted_chain, total_samples);