From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Jiri Olsa <jolsa@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Andi Kleen <ak@linux.intel.com>, David Ahern <dsahern@gmail.com>,
Namhyung Kim <namhyung@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Stephane Eranian <eranian@google.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 05/24] perf stat: Introduce perf_counts function
Date: Fri, 26 Jun 2015 12:44:42 -0300 [thread overview]
Message-ID: <1435333501-3429-6-git-send-email-acme@kernel.org> (raw)
In-Reply-To: <1435333501-3429-1-git-send-email-acme@kernel.org>
From: Jiri Olsa <jolsa@kernel.org>
Introducing perf_counts function, that returns
'struct perf_counts_values' pointer for given cpu.
Also moving perf_counts* structures into stat.h.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1435310967-14570-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-stat.c | 14 +++++++-------
tools/perf/tests/openat-syscall-all-cpus.c | 4 ++--
tools/perf/tests/openat-syscall.c | 2 +-
tools/perf/util/evsel.c | 6 +++---
tools/perf/util/evsel.h | 18 +-----------------
tools/perf/util/stat.h | 23 +++++++++++++++++++++++
6 files changed, 37 insertions(+), 30 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 3e1636cae76b..49b90374232c 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -316,7 +316,7 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int thread __maybe_unused,
if (!evsel->snapshot)
perf_evsel__compute_deltas(evsel, cpu, count);
perf_counts_values__scale(count, scale, NULL);
- evsel->counts->cpu[cpu] = *count;
+ *perf_counts(evsel->counts, cpu) = *count;
if (aggr_mode == AGGR_NONE)
perf_stat__update_shadow_stats(evsel, count->values, cpu);
break;
@@ -805,9 +805,9 @@ static void print_aggr(char *prefix)
s2 = aggr_get_id(evsel_list->cpus, cpu2);
if (s2 != id)
continue;
- val += counter->counts->cpu[cpu].val;
- ena += counter->counts->cpu[cpu].ena;
- run += counter->counts->cpu[cpu].run;
+ val += perf_counts(counter->counts, cpu)->val;
+ ena += perf_counts(counter->counts, cpu)->ena;
+ run += perf_counts(counter->counts, cpu)->run;
nr++;
}
if (prefix)
@@ -915,9 +915,9 @@ static void print_counter(struct perf_evsel *counter, char *prefix)
int cpu;
for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
- val = counter->counts->cpu[cpu].val;
- ena = counter->counts->cpu[cpu].ena;
- run = counter->counts->cpu[cpu].run;
+ val = perf_counts(counter->counts, cpu)->val;
+ ena = perf_counts(counter->counts, cpu)->ena;
+ run = perf_counts(counter->counts, cpu)->run;
if (prefix)
fprintf(output, "%s", prefix);
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index b8d552b13950..e8d944fe1bd0 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -98,9 +98,9 @@ int test__openat_syscall_event_on_all_cpus(void)
}
expected = nr_openat_calls + cpu;
- if (evsel->counts->cpu[cpu].val != expected) {
+ if (perf_counts(evsel->counts, cpu)->val != expected) {
pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
- expected, cpus->map[cpu], evsel->counts->cpu[cpu].val);
+ expected, cpus->map[cpu], perf_counts(evsel->counts, cpu)->val);
err = -1;
}
}
diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c
index bdfa1f446681..e86fc477a74f 100644
--- a/tools/perf/tests/openat-syscall.c
+++ b/tools/perf/tests/openat-syscall.c
@@ -44,7 +44,7 @@ int test__openat_syscall_event(void)
goto out_close_fd;
}
- if (evsel->counts->cpu[0].val != nr_openat_calls) {
+ if (perf_counts(evsel->counts, 0)->val != nr_openat_calls) {
pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
nr_openat_calls, evsel->counts->cpu[0].val);
goto out_close_fd;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 1b2f480a3e82..8401b042b9d4 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -910,8 +910,8 @@ void perf_evsel__compute_deltas(struct perf_evsel *evsel, int cpu,
tmp = evsel->prev_raw_counts->aggr;
evsel->prev_raw_counts->aggr = *count;
} else {
- tmp = evsel->prev_raw_counts->cpu[cpu];
- evsel->prev_raw_counts->cpu[cpu] = *count;
+ tmp = *perf_counts(evsel->prev_raw_counts, cpu);
+ *perf_counts(evsel->prev_raw_counts, cpu) = *count;
}
count->val = count->val - tmp.val;
@@ -972,7 +972,7 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
perf_evsel__compute_deltas(evsel, cpu, &count);
perf_counts_values__scale(&count, scale, NULL);
- evsel->counts->cpu[cpu] = count;
+ *perf_counts(evsel->counts, cpu) = count;
return 0;
}
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 4dbf32d94dfb..b420f8f5fc5d 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -9,23 +9,7 @@
#include "xyarray.h"
#include "symbol.h"
#include "cpumap.h"
-
-struct perf_counts_values {
- union {
- struct {
- u64 val;
- u64 ena;
- u64 run;
- };
- u64 values[3];
- };
-};
-
-struct perf_counts {
- s8 scaled;
- struct perf_counts_values aggr;
- struct perf_counts_values cpu[];
-};
+#include "stat.h"
struct perf_evsel;
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 093dc3cb28dd..5e43348836a6 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -31,6 +31,29 @@ enum aggr_mode {
AGGR_CORE,
};
+struct perf_counts_values {
+ union {
+ struct {
+ u64 val;
+ u64 ena;
+ u64 run;
+ };
+ u64 values[3];
+ };
+};
+
+struct perf_counts {
+ s8 scaled;
+ struct perf_counts_values aggr;
+ struct perf_counts_values cpu[];
+};
+
+static inline struct perf_counts_values*
+perf_counts(struct perf_counts *counts, int cpu)
+{
+ return &counts->cpu[cpu];
+}
+
void update_stats(struct stats *stats, u64 val);
double avg_stats(struct stats *stats);
double stddev_stats(struct stats *stats);
--
2.1.0
next prev parent reply other threads:[~2015-06-26 15:48 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-26 15:44 [GIT PULL 00/24] perf/core improvements and fixes Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 01/24] perf trace: Validate syscall list passed via -e argument Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 02/24] perf thread_map: Introduce thread_map__reset function Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 03/24] perf thrad_map: Add comm string into array Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 04/24] perf tests: Add thread_map object tests Arnaldo Carvalho de Melo
2015-06-26 15:44 ` Arnaldo Carvalho de Melo [this message]
2015-06-26 15:44 ` [PATCH 06/24] perf stat: Use xyarray for cpu evsel counts Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 07/24] perf stat: Make stats work over the thread dimension Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 08/24] perf stat: Rename struct perf_counts::cpu member to values Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 09/24] perf stat: Introduce perf_evlist__reset_stats Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 10/24] perf stat: Move perf_evsel__(alloc|free|reset)_stat_priv into stat object Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 11/24] perf stat: Move perf_evsel__(alloc|free)_prev_raw_counts " Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 12/24] perf stat: Move perf_evlist__(alloc|free|reset)_stats " Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 13/24] perf stat: Introduce perf_evsel__alloc_stats function Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 14/24] perf stat: Introduce perf_evsel__read function Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 15/24] perf stat: Introduce read_counters function Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 16/24] perf stat: Separate counters reading and processing Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 17/24] perf stat: Move zero_per_pkg into counter process code Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 18/24] perf stat: Move perf_stat initialization " Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 19/24] perf stat: Remove perf_evsel__read_cb function Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 20/24] perf stat: Rename print_interval to process_interval Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 21/24] perf stat: Using init_stats instead of memset Arnaldo Carvalho de Melo
2015-06-26 15:44 ` [PATCH 22/24] perf stat: Introduce print_counters function Arnaldo Carvalho de Melo
2015-06-26 15:45 ` [PATCH 23/24] perf stat: Introduce --per-thread option Arnaldo Carvalho de Melo
2015-06-26 15:45 ` [PATCH 24/24] perf symbols: Check access permission when reading symbol files Arnaldo Carvalho de Melo
2015-06-30 4:48 ` [GIT PULL 00/24] perf/core improvements and fixes Ingo Molnar
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