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perf callchain: Abstract callchain print function

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This is a preparation to support for printing other type of callchain
value like count or period.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1447047946-1691-4-git-send-email-namhyung@kernel.org
[ renamed new _sprintf_ operation to _scnprintf_ ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2015-11-09 14:45:39 +09:00
committed by Arnaldo Carvalho de Melo
parent 26e779245d
commit 5ab250cafc
5 changed files with 57 additions and 27 deletions
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35
tools/perf/ui/stdio/hist.c
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@@ -34,10 +34,10 @@ static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
return ret;
}
static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_node *node,
struct callchain_list *chain,
int depth, int depth_mask, int period,
u64 total_samples, u64 hits,
int left_margin)
u64 total_samples, int left_margin)
{
int i;
size_t ret = 0;
@@ -50,10 +50,9 @@ static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
else
ret += fprintf(fp, " ");
if (!period && i == depth - 1) {
double percent;
percent = hits * 100.0 / total_samples;
ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
ret += fprintf(fp, "--");
ret += callchain_node__fprintf_value(node, fp, total_samples);
ret += fprintf(fp, "--");
} else
ret += fprintf(fp, "%s", " ");
}
@@ -120,10 +119,9 @@ static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root,
left_margin);
i = 0;
list_for_each_entry(chain, &child->val, list) {
ret += ipchain__fprintf_graph(fp, chain, depth,
ret += ipchain__fprintf_graph(fp, child, chain, depth,
new_depth_mask, i++,
total_samples,
cumul,
left_margin);
}
@@ -143,14 +141,17 @@ static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root,
if (callchain_param.mode == CHAIN_GRAPH_REL &&
remaining && remaining != total_samples) {
struct callchain_node rem_node = {
.hit = remaining,
};
if (!rem_sq_bracket)
return ret;
new_depth_mask &= ~(1 << (depth - 1));
ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
ret += ipchain__fprintf_graph(fp, &rem_node, &rem_hits, depth,
new_depth_mask, 0, total_samples,
remaining, left_margin);
left_margin);
}
return ret;
@@ -243,12 +244,11 @@ static size_t callchain__fprintf_flat(FILE *fp, struct rb_root *tree,
struct rb_node *rb_node = rb_first(tree);
while (rb_node) {
double percent;
chain = rb_entry(rb_node, struct callchain_node, rb_node);
percent = chain->hit * 100.0 / total_samples;
ret = percent_color_fprintf(fp, " %6.2f%%\n", percent);
ret += fprintf(fp, " ");
ret += callchain_node__fprintf_value(chain, fp, total_samples);
ret += fprintf(fp, "\n");
ret += __callchain__fprintf_flat(fp, chain, total_samples);
ret += fprintf(fp, "\n");
if (++entries_printed == callchain_param.print_limit)
@@ -295,12 +295,11 @@ static size_t callchain__fprintf_folded(FILE *fp, struct rb_root *tree,
struct rb_node *rb_node = rb_first(tree);
while (rb_node) {
double percent;
chain = rb_entry(rb_node, struct callchain_node, rb_node);
percent = chain->hit * 100.0 / total_samples;
ret += fprintf(fp, "%.2f%% ", percent);
ret += callchain_node__fprintf_value(chain, fp, total_samples);
ret += fprintf(fp, " ");
ret += __callchain__fprintf_folded(fp, chain);
ret += fprintf(fp, "\n");
if (++entries_printed == callchain_param.print_limit)