[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1414591597-2763-15-git-send-email-acme@kernel.org>
Date: Wed, 29 Oct 2014 12:06:26 -0200
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org,
Adrian Hunter <adrian.hunter@...el.com>,
David Ahern <dsahern@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...il.com>,
Paul Mackerras <paulus@...ba.org>,
Peter Zijlstra <peterz@...radead.org>,
Stephane Eranian <eranian@...gle.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 14/25] perf pmu: Let pmu's with no events show up on perf list
From: Adrian Hunter <adrian.hunter@...el.com>
perf list only lists PMUs with events. Add a flag to cause a PMU to be
also listed separately.
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
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/r/1414061124-26830-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/util/pmu.c | 13 +++++++++++--
tools/perf/util/pmu.h | 1 +
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index e243ad962a4d..91dca604c422 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -747,15 +747,18 @@ void print_pmu_events(const char *event_glob, bool name_only)
pmu = NULL;
len = 0;
- while ((pmu = perf_pmu__scan(pmu)) != NULL)
+ while ((pmu = perf_pmu__scan(pmu)) != NULL) {
list_for_each_entry(alias, &pmu->aliases, list)
len++;
+ if (pmu->selectable)
+ len++;
+ }
aliases = malloc(sizeof(char *) * len);
if (!aliases)
return;
pmu = NULL;
j = 0;
- while ((pmu = perf_pmu__scan(pmu)) != NULL)
+ while ((pmu = perf_pmu__scan(pmu)) != NULL) {
list_for_each_entry(alias, &pmu->aliases, list) {
char *name = format_alias(buf, sizeof(buf), pmu, alias);
bool is_cpu = !strcmp(pmu->name, "cpu");
@@ -772,6 +775,12 @@ void print_pmu_events(const char *event_glob, bool name_only)
aliases[j] = strdup(aliases[j]);
j++;
}
+ if (pmu->selectable) {
+ scnprintf(buf, sizeof(buf), "%s//", pmu->name);
+ aliases[j] = strdup(buf);
+ j++;
+ }
+ }
len = j;
qsort(aliases, len, sizeof(char *), cmp_string);
for (j = 0; j < len; j++) {
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index fe9dfbee8eed..8092de78e818 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -18,6 +18,7 @@ struct perf_event_attr;
struct perf_pmu {
char *name;
__u32 type;
+ bool selectable;
struct perf_event_attr *default_config;
struct cpu_map *cpus;
struct list_head format; /* HEAD struct perf_pmu_format -> list */
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists