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authorJiri Olsa <jolsa@kernel.org>2014-06-05 13:00:20 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-12 19:03:01 +0400
commit94786b67b5f4577c16486e8eb10ff045e59f80ef (patch)
treef3d0bfa3496ebfdf82bd260f01393fd63df8af35 /tools
parent94c0655fc16b0c09edc21cadddbeef95c408f3e7 (diff)
downloadlinux-94786b67b5f4577c16486e8eb10ff045e59f80ef.tar.xz
perf tools: Add report.queue-size config file option
Adding report.queue-size config file option to setup the maximum allocation size for session's struct ordered_events object. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: David Ahern <dsahern@gmail.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jean Pihet <jean.pihet@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-lm42mbpu0cwljpyy8vw5y26n@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-report.c13
-rw-r--r--tools/perf/util/ordered-events.h6
2 files changed, 18 insertions, 1 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index c72cc5a12144..041e93da13e4 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -58,17 +58,19 @@ struct report {
const char *symbol_filter_str;
float min_percent;
u64 nr_entries;
+ u64 queue_size;
DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};
static int report__config(const char *var, const char *value, void *cb)
{
+ struct report *rep = cb;
+
if (!strcmp(var, "report.group")) {
symbol_conf.event_group = perf_config_bool(var, value);
return 0;
}
if (!strcmp(var, "report.percent-limit")) {
- struct report *rep = cb;
rep->min_percent = strtof(value, NULL);
return 0;
}
@@ -76,6 +78,10 @@ static int report__config(const char *var, const char *value, void *cb)
symbol_conf.cumulate_callchain = perf_config_bool(var, value);
return 0;
}
+ if (!strcmp(var, "report.queue-size")) {
+ rep->queue_size = perf_config_u64(var, value);
+ return 0;
+ }
return perf_default_config(var, value, cb);
}
@@ -714,6 +720,11 @@ repeat:
if (session == NULL)
return -ENOMEM;
+ if (report.queue_size) {
+ ordered_events__set_alloc_size(&session->ordered_events,
+ report.queue_size);
+ }
+
report.session = session;
has_br_stack = perf_header__has_feat(&session->header,
diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h
index 6036bd657073..2ce847fb48a5 100644
--- a/tools/perf/util/ordered-events.h
+++ b/tools/perf/util/ordered-events.h
@@ -40,4 +40,10 @@ int ordered_events__flush(struct perf_session *s, struct perf_tool *tool,
enum oe_flush how);
void ordered_events__init(struct ordered_events *oe);
void ordered_events__free(struct ordered_events *oe);
+
+static inline
+void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
+{
+ oe->max_alloc_size = size;
+}
#endif /* __ORDERED_EVENTS_H */