Commit-ID: fc284be9d88528dd2a28d5471e40a6acde6c3036
Gitweb: http://git.kernel.org/tip/fc284be9d88528dd2a28d5471e40a6acde6c3036
Author: Namhyung Kim <namhyung@xxxxxxxxxx>
AuthorDate: Thu, 7 Jan 2016 10:14:10 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 8 Jan 2016 12:59:48 -0300
perf hists: Export a couple of hist functions
These are necessary for multi threaded sample processing:
- hists__get__get_rotate_entries_in()
- hists__collapse_insert_entry()
- __hists__init()
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Noel Grandin <noelgrandin@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1452158050-28061-14-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/hist.c | 19 ++++++++++++-------
tools/perf/util/hist.h | 5 +++++
2 files changed, 17 insertions(+), 7 deletions(-)
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 888776b..c226303 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1007,9 +1007,8 @@ void hist_entry__delete(struct hist_entry *he)
* collapse the histogram
*/
-static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
- struct rb_root *root,
- struct hist_entry *he)
+bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
+ struct rb_root *root, struct hist_entry *he)
{
struct rb_node **p = &root->rb_node;
struct rb_node *parent = NULL;
@@ -1049,7 +1048,7 @@ static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
return true;
}
-static struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
+struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
{
struct rb_root *root;
@@ -1584,10 +1583,8 @@ int perf_hist_config(const char *var, const char *value)
return 0;
}
-static int hists_evsel__init(struct perf_evsel *evsel)
+int __hists__init(struct hists *hists)
{
- struct hists *hists = evsel__hists(evsel);
-
memset(hists, 0, sizeof(*hists));
hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
hists->entries_in = &hists->entries_in_array[0];
@@ -1627,6 +1624,14 @@ static void hists_evsel__exit(struct perf_evsel *evsel)
hists__delete_all_entries(hists);
}
+static int hists_evsel__init(struct perf_evsel *evsel)
+{
+ struct hists *hists = evsel__hists(evsel);
+
+ __hists__init(hists);
+ return 0;
+}
+
/*
* XXX We probably need a hists_evsel__exit() to free the hist_entries
* stored in the rbtree...
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index cb8f373..d4ec482 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -185,6 +185,11 @@ static inline struct hists *evsel__hists(struct perf_evsel *evsel)
}
int hists__init(void);
+int __hists__init(struct hists *hists);
+
+struct rb_root *hists__get_rotate_entries_in(struct hists *hists);
+bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
+ struct rb_root *root, struct hist_entry *he);
struct perf_hpp {
char *buf;
--
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