[PATCH 31/40] perf hists: Pass hists struct to hist_entry_iter struct

[Namhyung Kim <namhyung@kernel.org>]

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@kernel.org>
---
 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            | 20 +++++++-------------
 tools/perf/util/hist.h            |  1 +
 7 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index decd9e8584b5..5e53eee5a9a7 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -140,6 +140,7 @@ 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 6b987424d015..ea6e7bd04f9a 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -776,6 +776,7 @@ 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 7d82c8be5e36..36f31f839b96 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 ce48775e6ada..f8077b81b618 100644
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -64,6 +64,7 @@ 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 b492968913e1..c11f7fdc08fd 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -505,7 +505,7 @@ 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)
@@ -535,8 +535,7 @@ 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;
 
@@ -608,8 +607,7 @@ 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;
@@ -656,11 +654,10 @@ 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)
@@ -675,7 +672,6 @@ 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)
@@ -683,7 +679,7 @@ 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);
 }
@@ -715,8 +711,7 @@ 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;
@@ -761,7 +756,6 @@ 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;
@@ -795,7 +789,7 @@ 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 d47f6730f6a4..e5e7b7af6c56 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -86,6 +86,7 @@ struct hist_entry_iter {
 
 	bool hide_unresolved;
 
+	struct hists *hists;
 	struct perf_evsel *evsel;
 	struct perf_sample *sample;
 	struct hist_entry *he;
-- 
2.4.0