diff options
| author |   Jin Yao <yao.jin@linux.intel.com> | 2016-10-31 09:19:51 +0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-11-14 13:25:58 -0300 |
| commit | 3dd029ef94018dfa499c05778dd67d03c00b637c (patch) | |
| tree | fd9bb6986c7adfe58ba6d5a453f7e3fb6347a15e /tools/perf/util/callchain.h | |
| parent | perf report: Create a symbol_conf flag for showing branch flag counting (diff) | |
| download | linux-dev-3dd029ef94018dfa499c05778dd67d03c00b637c.tar.xz linux-dev-3dd029ef94018dfa499c05778dd67d03c00b637c.zip | |
perf report: Calculate and return the branch flag counting
Create some branch counters in per callchain list entry. Each counter
is for a branch flag. For example, predicted_count counts all the
*predicted* branches. The counters get updated by processing the
callchain cursor nodes.
It also provides functions to retrieve or print the values of counters
in callchain list.
Besides the counting for branch flags, it also counts and returns the
average number of iterations.
Signed-off-by: Yao Jin <yao.jin@linux.intel.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linux-kernel@vger.kernel.org
Cc: Yao Jin <yao.jin@linux.intel.com>
Link: http://lkml.kernel.org/r/1477876794-30749-4-git-send-email-yao.jin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/callchain.h')
| -rw-r--r-- | tools/perf/util/callchain.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index df6329d1c350..d9c70dccf06a 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -111,6 +111,12 @@ struct callchain_list { bool unfolded; bool has_children; }; + u64 branch_count; + u64 predicted_count; + u64 abort_count; + u64 cycles_count; + u64 iter_count; + u64 samples_count; char *srcline; struct list_head list; }; @@ -263,8 +269,16 @@ char *callchain_node__scnprintf_value(struct callchain_node *node, int callchain_node__fprintf_value(struct callchain_node *node, FILE *fp, u64 total); +int callchain_list_counts__printf_value(struct callchain_node *node, + struct callchain_list *clist, + FILE *fp, char *bf, int bfsize); + void free_callchain(struct callchain_root *root); void decay_callchain(struct callchain_root *root); int callchain_node__make_parent_list(struct callchain_node *node); +int callchain_branch_counts(struct callchain_root *root, + u64 *branch_count, u64 *predicted_count, + u64 *abort_count, u64 *cycles_count); + #endif /* __PERF_CALLCHAIN_H */ |