[PATCH V2 5/6] perf,tools: caculate and save freq/CPU%/CORE_BUSY% in he_stat
From: kan . liang
Date: Fri Jul 24 2015 - 17:03:48 EST
From: Kan Liang <kan.liang@xxxxxxxxx>
Introduce a new hist_iter ops (hist_iter_freq_perf) to caculate the
freq/CPU%/CORE_BUSY% freq when processing samples, and save them in
hist_entry.
Signed-off-by: Kan Liang <kan.liang@xxxxxxxxx>
---
tools/perf/builtin-annotate.c | 2 +-
tools/perf/builtin-diff.c | 2 +-
tools/perf/tests/hists_link.c | 4 ++--
tools/perf/util/hist.c | 51 ++++++++++++++++++++++++++++++++++++++-----
tools/perf/util/hist.h | 2 ++
tools/perf/util/sort.h | 3 +++
tools/perf/util/symbol.h | 6 +++++
7 files changed, 60 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..26b8eea 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_perf_info *info,
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,
+ .freq = (info != NULL) ? info->freq : 0,
+ .cpu_u = (info != NULL) ? info->cpu_u : 0,
+ .core_busy = (info != NULL) ? info->core_busy : 0,
},
.parent = sym_parent,
.filtered = symbol__parent_filter(sym_parent) | al->filtered,
@@ -481,6 +486,32 @@ iter_add_next_nop_entry(struct hist_entry_iter *iter __maybe_unused,
}
static int
+iter_add_single_freq_perf_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_perf_info info = {0};
+ u64 *data = sample->freq_perf_data;
+
+ if (data[FREQ_PERF_REF_CYCLES] > 0)
+ info.freq = (data[FREQ_PERF_CYCLES] * cpu_max_freq) / data[FREQ_PERF_REF_CYCLES];
+ if (data[FREQ_PERF_TSC] > 0)
+ info.cpu_u = (100 * data[FREQ_PERF_REF_CYCLES]) / data[FREQ_PERF_TSC];
+ if (data[FREQ_PERF_MPERF] > 0)
+ info.core_busy = (100 * data[FREQ_PERF_APERF]) / data[FREQ_PERF_MPERF];
+
+ he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL,
+ sample->period, sample->weight,
+ sample->transaction, &info, 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 +548,7 @@ 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 +649,7 @@ 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 +687,7 @@ 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 +749,7 @@ 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 +822,7 @@ 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 +844,14 @@ iter_finish_cumulative_entry(struct hist_entry_iter *iter,
return 0;
}
+const struct hist_iter_ops hist_iter_freq_perf = {
+ .prepare_entry = iter_prepare_normal_entry,
+ .add_single_entry = iter_add_single_freq_perf_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..70bd557 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_perf;
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_perf_info *freq_perf,
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..90422ed 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 freq;
+ u64 cpu_u;
+ u64 core_busy;
};
struct hist_entry_diff {
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index b98ce51..fa0ccf3 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_perf_info {
+ u64 freq;
+ u64 cpu_u;
+ u64 core_busy;
+};
+
struct addr_location {
struct machine *machine;
struct thread *thread;
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/