[RFC/PATCH 27/38] perf hists: Pass hists struct to hist_entry_iter struct

From: Namhyung Kim
Date: Fri Oct 02 2015 - 01:24:52 EST


This is a preparation for perf report multi-thread support. When
multi-thread is enable, each thread will have its own hists during the
sample processing.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/perf/builtin-report.c | 1 +
tools/perf/builtin-top.c | 1 +
tools/perf/tests/hists_cumulate.c | 1 +
tools/perf/tests/hists_filter.c | 1 +
tools/perf/tests/hists_output.c | 1 +
tools/perf/util/hist.c | 22 ++++++++--------------
tools/perf/util/hist.h | 1 +
7 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index aeced4fa27e8..f6e000b87108 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -145,6 +145,7 @@ static int process_sample_event(struct perf_tool *tool,
struct addr_location al;
struct hist_entry_iter iter = {
.evsel = evsel,
+ .hists = evsel__hists(evsel),
.sample = sample,
.hide_unresolved = rep->hide_unresolved,
.add_entry_cb = hist_iter__report_callback,
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 6f641fd68296..e1ead08755c8 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -787,6 +787,7 @@ static void perf_event__process_sample(struct perf_tool *tool,
struct hists *hists = evsel__hists(evsel);
struct hist_entry_iter iter = {
.evsel = evsel,
+ .hists = evsel__hists(evsel),
.sample = sample,
.add_entry_cb = hist_iter__top_callback,
};
diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
index 7ed737019de7..0c046dde9a64 100644
--- a/tools/perf/tests/hists_cumulate.c
+++ b/tools/perf/tests/hists_cumulate.c
@@ -88,6 +88,7 @@ static int add_hist_entries(struct hists *hists, struct machine *machine)
};
struct hist_entry_iter iter = {
.evsel = evsel,
+ .hists = evsel__hists(evsel),
.sample = &sample,
.hide_unresolved = false,
};
diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
index 818acf875dd0..b866a5389a1d 100644
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -65,6 +65,7 @@ static int add_hist_entries(struct perf_evlist *evlist,
};
struct hist_entry_iter iter = {
.evsel = evsel,
+ .hists = evsel__hists(evsel),
.sample = &sample,
.ops = &hist_iter_normal,
.hide_unresolved = false,
diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c
index adbebc852cc8..bf9efe145260 100644
--- a/tools/perf/tests/hists_output.c
+++ b/tools/perf/tests/hists_output.c
@@ -58,6 +58,7 @@ static int add_hist_entries(struct hists *hists, struct machine *machine)
};
struct hist_entry_iter iter = {
.evsel = evsel,
+ .hists = evsel__hists(evsel),
.sample = &sample,
.ops = &hist_iter_normal,
.hide_unresolved = false,
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 10454197a508..045313c219b6 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -511,7 +511,7 @@ iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al
u64 cost;
struct mem_info *mi = iter->priv;
struct perf_sample *sample = iter->sample;
- struct hists *hists = evsel__hists(iter->evsel);
+ struct hists *hists = iter->hists;
struct hist_entry *he;

if (mi == NULL)
@@ -541,8 +541,7 @@ static int
iter_finish_mem_entry(struct hist_entry_iter *iter,
struct addr_location *al __maybe_unused)
{
- struct perf_evsel *evsel = iter->evsel;
- struct hists *hists = evsel__hists(evsel);
+ struct hists *hists = iter->hists;
struct hist_entry *he = iter->he;
int err = -EINVAL;

@@ -614,8 +613,7 @@ static int
iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al)
{
struct branch_info *bi;
- struct perf_evsel *evsel = iter->evsel;
- struct hists *hists = evsel__hists(evsel);
+ struct hists *hists = iter->hists;
struct hist_entry *he = NULL;
int i = iter->curr;
int err = 0;
@@ -663,11 +661,10 @@ iter_prepare_normal_entry(struct hist_entry_iter *iter __maybe_unused,
static int
iter_add_single_normal_entry(struct hist_entry_iter *iter, struct addr_location *al)
{
- struct perf_evsel *evsel = iter->evsel;
struct perf_sample *sample = iter->sample;
struct hist_entry *he;

- he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
+ he = __hists__add_entry(iter->hists, al, iter->parent, NULL, NULL,
sample->period, sample->weight,
sample->transaction, sample->time, true);
if (he == NULL)
@@ -682,7 +679,6 @@ iter_finish_normal_entry(struct hist_entry_iter *iter,
struct addr_location *al __maybe_unused)
{
struct hist_entry *he = iter->he;
- struct perf_evsel *evsel = iter->evsel;
struct perf_sample *sample = iter->sample;

if (he == NULL)
@@ -690,7 +686,7 @@ iter_finish_normal_entry(struct hist_entry_iter *iter,

iter->he = NULL;

- hists__inc_nr_samples(evsel__hists(evsel), he->filtered);
+ hists__inc_nr_samples(iter->hists, he->filtered);

return hist_entry__append_callchain(he, sample);
}
@@ -722,8 +718,7 @@ static int
iter_add_single_cumulative_entry(struct hist_entry_iter *iter,
struct addr_location *al)
{
- struct perf_evsel *evsel = iter->evsel;
- struct hists *hists = evsel__hists(evsel);
+ struct hists *hists = iter->hists;
struct perf_sample *sample = iter->sample;
struct hist_entry **he_cache = iter->priv;
struct hist_entry *he;
@@ -768,12 +763,11 @@ static int
iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
struct addr_location *al)
{
- struct perf_evsel *evsel = iter->evsel;
struct perf_sample *sample = iter->sample;
struct hist_entry **he_cache = iter->priv;
struct hist_entry *he;
struct hist_entry he_tmp = {
- .hists = evsel__hists(evsel),
+ .hists = iter->hists,
.cpu = al->cpu,
.thread = al->thread,
.comm = thread__comm_by_time(al->thread, sample->time),
@@ -803,7 +797,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
}
}

- he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
+ he = __hists__add_entry(iter->hists, al, iter->parent, NULL, NULL,
sample->period, sample->weight,
sample->transaction, sample->time, false);
if (he == NULL)
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 7fbb60857f26..081a1f7ffb84 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -92,6 +92,7 @@ struct hist_entry_iter {
bool hide_unresolved;
int max_stack;

+ struct hists *hists;
struct perf_evsel *evsel;
struct perf_sample *sample;
struct hist_entry *he;
--
2.6.0

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