[PATCH 11/52] perf c2c report: Decode c2c_stats for hist entries

Arnaldo Carvalho de Melo
2016-10-20T15:14:30Z

Decoding and storing c2c_stats for each hist entry. Changing related
function to work with c2c_* objects.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-19-git-send-email-jolsa@kernel.org
[ Add '.nr_entries = 0' to the c2c_stats initialization to fix the build on older distros ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-c2c.c | 38 ++++++++++++++++++++++++++------------
1 file changed, 26 insertions(+), 12 deletions(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index df413b564361..43f18aa3367b 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -14,10 +14,12 @@
struct c2c_hists {
struct hists hists;
struct perf_hpp_list list;
+ struct c2c_stats stats;
};

struct c2c_hist_entry {
struct c2c_hists *hists;
+ struct c2c_stats stats;
/*
* must be at the end,
* because of its callchain dynamic entry
@@ -64,9 +66,9 @@ static struct hist_entry_ops c2c_entry_ops = {
static int c2c_hists__init(struct c2c_hists *hists,
const char *sort);

-static struct hists*
-he__get_hists(struct hist_entry *he,
- const char *sort)
+static struct c2c_hists*
+he__get_c2c_hists(struct hist_entry *he,
+ const char *sort)
{
struct c2c_hist_entry *c2c_he;
struct c2c_hists *hists;
@@ -74,7 +76,7 @@ he__get_hists(struct hist_entry *he,

c2c_he = container_of(he, struct c2c_hist_entry, he);
if (c2c_he->hists)
- return &c2c_he->hists->hists;
+ return c2c_he->hists;

hists = c2c_he->hists = zalloc(sizeof(*hists));
if (!hists)
@@ -86,7 +88,7 @@ he__get_hists(struct hist_entry *he,
return NULL;
}

- return &hists->hists;
+ return hists;
}

static int process_sample_event(struct perf_tool *tool __maybe_unused,
@@ -95,7 +97,9 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
struct perf_evsel *evsel __maybe_unused,
struct machine *machine)
{
- struct hists *hists = &c2c.hists.hists;
+ struct c2c_hists *c2c_hists = &c2c.hists;
+ struct c2c_hist_entry *c2c_he;
+ struct c2c_stats stats = { .nr_entries = 0, };
struct hist_entry *he;
struct addr_location al;
struct mem_info *mi, *mi_dup;
@@ -115,13 +119,19 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
if (!mi_dup)
goto free_mi;

- he = hists__add_entry_ops(hists, &c2c_entry_ops,
+ c2c_decode_stats(&stats, mi);
+
+ he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
&al, NULL, NULL, mi,
sample, true);
if (he == NULL)
goto free_mi_dup;

- hists__inc_nr_samples(hists, he->filtered);
+ c2c_he = container_of(he, struct c2c_hist_entry, he);
+ c2c_add_stats(&c2c_he->stats, &stats);
+ c2c_add_stats(&c2c_hists->stats, &stats);
+
+ hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
ret = hist_entry__append_callchain(he, sample);

if (!ret) {
@@ -131,17 +141,21 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
if (!mi_dup)
goto free_mi;

- hists = he__get_hists(he, "offset");
- if (!hists)
+ c2c_hists = he__get_c2c_hists(he, "offset");
+ if (!c2c_hists)
goto free_mi_dup;

- he = hists__add_entry_ops(hists, &c2c_entry_ops,
+ he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
&al, NULL, NULL, mi,
sample, true);
if (he == NULL)
goto free_mi_dup;

- hists__inc_nr_samples(hists, he->filtered);
+ c2c_he = container_of(he, struct c2c_hist_entry, he);
+ c2c_add_stats(&c2c_he->stats, &stats);
+ c2c_add_stats(&c2c_hists->stats, &stats);
+
+ hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
ret = hist_entry__append_callchain(he, sample);
}

--
2.7.4