Commit-ID: 54d27b3119e2eecbb3dfbf821db90fab25f6c523
Gitweb: http://git.kernel.org/tip/54d27b3119e2eecbb3dfbf821db90fab25f6c523
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Thu, 28 Jan 2016 00:40:52 +0900
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 1 Feb 2016 17:39:52 -0300
perf callchain: Pass parent_samples to __callchain__fprintf_graph()
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@xxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1453909257-26015-6-git-send-email-namhyung@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/ui/stdio/hist.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c
index 8e25f7d..96188ea 100644
--- a/tools/perf/ui/stdio/hist.c
+++ b/tools/perf/ui/stdio/hist.c
@@ -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);
--
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