lkml.org 
[lkml]   [2012]   [Jul]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 01/12] perf tools: Add a couple of helper routines to handle groups
Date
This is a preparation for upcoming event grouping feature.

Cc: Stephane Eranian <eranian@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/util/evsel.h | 19 +++++++++++++++++++
tools/perf/util/parse-events.c | 6 +++++-
tools/perf/util/sort.h | 10 ++++++++++
3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index a4a11f8dfcf5..efc9e5c42210 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -70,8 +70,27 @@ struct perf_evsel {
int exclude_GH;
struct perf_evsel *leader;
char *group_name;
+ union {
+ int nr_children;
+ int group_idx;
+ };
};

+static inline struct perf_evsel *hists_2_evsel(struct hists *hists)
+{
+ return container_of(hists, struct perf_evsel, hists);
+}
+
+static inline bool perf_evsel__is_group_leader(struct perf_evsel *evsel)
+{
+ return evsel->leader == NULL;
+}
+
+#define for_each_group_member(_evsel, _leader) \
+for ((_evsel) = list_entry((_leader)->node.next, struct perf_evsel, node); \
+ (_evsel) && (_evsel)->leader == (_leader); \
+ (_evsel) = list_entry((_evsel)->node.next, struct perf_evsel, node))
+
struct cpu_map;
struct thread_map;
struct perf_evlist;
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 9eaae05c088d..25dcf9043902 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -611,15 +611,19 @@ int parse_events_add_pmu(struct list_head **list, int *idx,

struct perf_evsel *parse_events__group_leader(struct list_head *list)
{
+ int idx = 0;
struct perf_evsel *evsel, *leader;

leader = list_entry(list->next, struct perf_evsel, node);
leader->leader = NULL;

list_for_each_entry(evsel, list, node)
- if (evsel != leader)
+ if (evsel != leader) {
evsel->leader = leader;
+ evsel->group_idx = idx++;
+ }

+ leader->nr_children = idx;
return leader;
}

diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index e724b26acd51..9fdd5039339f 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -43,6 +43,15 @@ extern struct sort_entry sort_sym_from;
extern struct sort_entry sort_sym_to;
extern enum sort_type sort__first_dimension;

+struct he_stat {
+ u64 period;
+ u64 period_sys;
+ u64 period_us;
+ u64 period_guest_sys;
+ u64 period_guest_us;
+ u32 nr_events;
+};
+
/**
* struct hist_entry - histogram entry
*
@@ -57,6 +66,7 @@ struct hist_entry {
u64 period_us;
u64 period_guest_sys;
u64 period_guest_us;
+ struct he_stat *group_stats;
struct map_symbol ms;
struct thread *thread;
u64 ip;
--
1.7.10.4


\
 
 \ /
  Last update: 2012-07-24 11:41    [W:0.086 / U:0.608 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site