[PATCH 8/9] perf,tools: caculate and save tsc/avg/bzy freq in he_stat

[kan.liang@intel.com]

From: Kan Liang <kan.liang@intel.com>

Introduce a new hist_iter ops (hist_iter_freq) to caculate the
tsc/avg/bzy freq when processing samples, and save them in hist_entry.

Signed-off-by: Kan Liang <kan.liang@intel.com>
---
 tools/perf/builtin-annotate.c |  2 +-
 tools/perf/builtin-diff.c     |  2 +-
 tools/perf/tests/hists_link.c |  4 ++--
 tools/perf/util/hist.c        | 52 ++++++++++++++++++++++++++++++++++++++-----
 tools/perf/util/hist.h        |  2 ++
 tools/perf/util/sort.h        |  3 +++
 tools/perf/util/symbol.h      |  6 +++++
 7 files changed, 61 insertions(+), 10 deletions(-)

diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 2c1bec3..06e2f87 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -71,7 +71,7 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel,
 		return 0;
 	}
 
-	he = __hists__add_entry(hists, al, NULL, NULL, NULL, 1, 1, 0, true);
+	he = __hists__add_entry(hists, al, NULL, NULL, NULL, 1, 1, 0, NULL, true);
 	if (he == NULL)
 		return -ENOMEM;
 
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index daaa7dc..2fffcc4 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -315,7 +315,7 @@ static int hists__add_entry(struct hists *hists,
 			    u64 weight, u64 transaction)
 {
 	if (__hists__add_entry(hists, al, NULL, NULL, NULL, period, weight,
-			       transaction, true) != NULL)
+			       transaction, NULL, true) != NULL)
 		return 0;
 	return -ENOMEM;
 }
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index 8c102b0..5d9f9e3 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -90,7 +90,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
 				goto out;
 
 			he = __hists__add_entry(hists, &al, NULL,
-						NULL, NULL, 1, 1, 0, true);
+						NULL, NULL, 1, 1, 0, NULL, true);
 			if (he == NULL) {
 				addr_location__put(&al);
 				goto out;
@@ -116,7 +116,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine)
 				goto out;
 
 			he = __hists__add_entry(hists, &al, NULL,
-						NULL, NULL, 1, 1, 0, true);
+						NULL, NULL, 1, 1, 0, NULL, true);
 			if (he == NULL) {
 				addr_location__put(&al);
 				goto out;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 6f28d53..ce32bd58 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -436,7 +436,9 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
 				      struct symbol *sym_parent,
 				      struct branch_info *bi,
 				      struct mem_info *mi,
-				      u64 period, u64 weight, u64 transaction,
+				      u64 period, u64 weight,
+				      u64 transaction,
+				      struct freq_info *freq,
 				      bool sample_self)
 {
 	struct hist_entry entry = {
@@ -454,6 +456,9 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
 			.nr_events = 1,
 			.period	= period,
 			.weight = weight,
+			.tsc_freq = (freq != NULL) ? freq->tsc_freq : 0,
+			.avg_freq = (freq != NULL) ? freq->avg_freq : 0,
+			.bzy_freq = (freq != NULL) ? freq->bzy_freq : 0,
 		},
 		.parent = sym_parent,
 		.filtered = symbol__parent_filter(sym_parent) | al->filtered,
@@ -481,6 +486,33 @@ iter_add_next_nop_entry(struct hist_entry_iter *iter __maybe_unused,
 }
 
 static int
+iter_add_single_freq_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;
+	struct freq_info freq;
+
+	if (sample->read.time_running > 0) {
+		freq.tsc_freq = (1000 * sample->tsc) / sample->read.time_running;
+		freq.avg_freq = (1000 * sample->aperf) / sample->read.time_running;
+		if (sample->aperf > 0)
+			freq.bzy_freq = freq.tsc_freq * sample->mperf / sample->aperf;
+		else
+			freq.bzy_freq = 0;
+	}
+
+	he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
+				sample->period, sample->weight,
+				sample->transaction, &freq, true);
+	if (he == NULL)
+		return -ENOMEM;
+
+	iter->he = he;
+	return 0;
+}
+
+static int
 iter_prepare_mem_entry(struct hist_entry_iter *iter, struct addr_location *al)
 {
 	struct perf_sample *sample = iter->sample;
@@ -517,7 +549,7 @@ iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al
 	 * and the he_stat__add_period() function.
 	 */
 	he = __hists__add_entry(hists, al, iter->parent, NULL, mi,
-				cost, cost, 0, true);
+				cost, cost, 0, NULL, true);
 	if (!he)
 		return -ENOMEM;
 
@@ -618,7 +650,7 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a
 	 * and not events sampled. Thus we use a pseudo period of 1.
 	 */
 	he = __hists__add_entry(hists, al, iter->parent, &bi[i], NULL,
-				1, 1, 0, true);
+				1, 1, 0, NULL, true);
 	if (he == NULL)
 		return -ENOMEM;
 
@@ -656,7 +688,7 @@ iter_add_single_normal_entry(struct hist_entry_iter *iter, struct addr_location
 
 	he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
 				sample->period, sample->weight,
-				sample->transaction, true);
+				sample->transaction, NULL, true);
 	if (he == NULL)
 		return -ENOMEM;
 
@@ -718,7 +750,7 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter,
 
 	he = __hists__add_entry(hists, al, iter->parent, NULL, NULL,
 				sample->period, sample->weight,
-				sample->transaction, true);
+				sample->transaction, NULL, true);
 	if (he == NULL)
 		return -ENOMEM;
 
@@ -791,7 +823,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
 
 	he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
 				sample->period, sample->weight,
-				sample->transaction, false);
+				sample->transaction, NULL, false);
 	if (he == NULL)
 		return -ENOMEM;
 
@@ -813,6 +845,14 @@ iter_finish_cumulative_entry(struct hist_entry_iter *iter,
 	return 0;
 }
 
+const struct hist_iter_ops hist_iter_freq = {
+	.prepare_entry		= iter_prepare_normal_entry,
+	.add_single_entry	= iter_add_single_freq_entry,
+	.next_entry		= iter_next_nop_entry,
+	.add_next_entry		= iter_add_next_nop_entry,
+	.finish_entry		= iter_finish_normal_entry,
+};
+
 const struct hist_iter_ops hist_iter_mem = {
 	.prepare_entry 		= iter_prepare_mem_entry,
 	.add_single_entry 	= iter_add_single_mem_entry,
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 5ed8d9c..3601658 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -102,6 +102,7 @@ extern const struct hist_iter_ops hist_iter_normal;
 extern const struct hist_iter_ops hist_iter_branch;
 extern const struct hist_iter_ops hist_iter_mem;
 extern const struct hist_iter_ops hist_iter_cumulative;
+extern const struct hist_iter_ops hist_iter_freq;
 
 struct hist_entry *__hists__add_entry(struct hists *hists,
 				      struct addr_location *al,
@@ -109,6 +110,7 @@ struct hist_entry *__hists__add_entry(struct hists *hists,
 				      struct branch_info *bi,
 				      struct mem_info *mi, u64 period,
 				      u64 weight, u64 transaction,
+				      struct freq_info *freq,
 				      bool sample_self);
 int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
 			 int max_stack_depth, void *arg);
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index e97cd47..5720076 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -54,6 +54,9 @@ struct he_stat {
 	u64			period_guest_us;
 	u64			weight;
 	u32			nr_events;
+	u64			tsc_freq;
+	u64			avg_freq;
+	u64			bzy_freq;
 };
 
 struct hist_entry_diff {
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index b98ce51..b71d575 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -180,6 +180,12 @@ struct mem_info {
 	union perf_mem_data_src data_src;
 };
 
+struct freq_info {
+	u64	tsc_freq;
+	u64	avg_freq;
+	u64	bzy_freq;
+};
+
 struct addr_location {
 	struct machine *machine;
 	struct thread *thread;
-- 
1.8.3.1