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Date: Wed, 20 Jun 2012 09:53:50 -0700
From: tip-bot for Arnaldo Carvalho de Melo <acme@...hat.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, eranian@...gle.com, paulus@...ba.org,
acme@...hat.com, hpa@...or.com, mingo@...nel.org,
peterz@...radead.org, efault@....de, namhyung@...il.com,
jolsa@...hat.com, fweisbec@...il.com, dsahern@...il.com,
tglx@...utronix.de
Subject: [tip:perf/core] perf tools:
Reconstruct sw event with modifiers from perf_event_attr
Commit-ID: 335c2f5d25319b208fb8b444e6f3099a806a33bf
Gitweb: http://git.kernel.org/tip/335c2f5d25319b208fb8b444e6f3099a806a33bf
Author: Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Mon, 11 Jun 2012 14:36:20 -0300
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 19 Jun 2012 13:06:20 -0300
perf tools: Reconstruct sw event with modifiers from perf_event_attr
[root@...dy ~]# perf record -e task-clock:u -a usleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.482 MB perf.data (~21073 samples) ]
[root@...dy ~]#
Before:
[root@...dy ~]# perf evlist
task-clock
[root@...dy ~]#
After:
[root@...dy ~]# perf evlist
task-clock:u
[root@...dy ~]#
Ditto for other tools.
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-97ltkmj7v23kyhflltf6iz5n@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/util/evsel.c | 29 +++++++++++++++++++++++++++++
tools/perf/util/evsel.h | 2 ++
tools/perf/util/parse-events.c | 19 +++----------------
3 files changed, 34 insertions(+), 16 deletions(-)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 47f1fe2..2da0473 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -128,6 +128,31 @@ static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size)
return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
}
+static const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
+ "cpu-clock",
+ "task-clock",
+ "page-faults",
+ "context-switches",
+ "CPU-migrations",
+ "minor-faults",
+ "major-faults",
+ "alignment-faults",
+ "emulation-faults",
+};
+
+const char *__perf_evsel__sw_name(u64 config)
+{
+ if (config < PERF_COUNT_SW_MAX && perf_evsel__sw_names[config])
+ return perf_evsel__sw_names[config];
+ return "unknown-software";
+}
+
+static int perf_evsel__sw_name(struct perf_evsel *evsel, char *bf, size_t size)
+{
+ int r = scnprintf(bf, size, "%s", __perf_evsel__sw_name(evsel->attr.config));
+ return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
+}
+
const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX]
[PERF_EVSEL__MAX_ALIASES] = {
{ "L1-dcache", "l1-d", "l1d", "L1-data", },
@@ -244,6 +269,10 @@ int perf_evsel__name(struct perf_evsel *evsel, char *bf, size_t size)
ret = perf_evsel__hw_cache_name(evsel, bf, size);
break;
+ case PERF_TYPE_SOFTWARE:
+ ret = perf_evsel__sw_name(evsel, bf, size);
+ break;
+
default:
/*
* FIXME
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 5bf946a..9ae64d9 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -98,6 +98,8 @@ int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
int __perf_evsel__hw_cache_name(u64 config, char *bf, size_t size);
const char *__perf_evsel__hw_name(u64 config);
+const char *__perf_evsel__sw_name(u64 config);
+
int perf_evsel__name(struct perf_evsel *evsel, char *bf, size_t size);
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index c8f8cf4..641c4ac 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -62,18 +62,6 @@ static struct event_symbol event_symbols[] = {
#define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE)
#define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT)
-static const char *sw_event_names[PERF_COUNT_SW_MAX] = {
- "cpu-clock",
- "task-clock",
- "page-faults",
- "context-switches",
- "CPU-migrations",
- "minor-faults",
- "major-faults",
- "alignment-faults",
- "emulation-faults",
-};
-
#define for_each_subsystem(sys_dir, sys_dirent, sys_next) \
while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \
if (sys_dirent.d_type == DT_DIR && \
@@ -218,7 +206,8 @@ const char *event_name(struct perf_evsel *evsel)
u64 config = evsel->attr.config;
int type = evsel->attr.type;
- if (type == PERF_TYPE_RAW || type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE) {
+ if (type == PERF_TYPE_RAW || type == PERF_TYPE_HARDWARE ||
+ type == PERF_TYPE_SOFTWARE || type == PERF_TYPE_HW_CACHE) {
/*
* XXX minimal fix, see comment on perf_evsen__name, this static buffer
* will go away together with event_name in the next devel cycle.
@@ -252,9 +241,7 @@ const char *__event_name(int type, u64 config)
return buf;
case PERF_TYPE_SOFTWARE:
- if (config < PERF_COUNT_SW_MAX && sw_event_names[config])
- return sw_event_names[config];
- return "unknown-software";
+ return __perf_evsel__sw_name(config);
case PERF_TYPE_TRACEPOINT:
return tracepoint_id_to_name(config);
--
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