Commit-ID: 94786b67b5f4577c16486e8eb10ff045e59f80ef
Gitweb: http://git.kernel.org/tip/94786b67b5f4577c16486e8eb10ff045e59f80ef
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 5 Jun 2014 11:00:20 +0200
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 12 Aug 2014 12:03:01 -0300
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@xxxxxxxxxx>
Acked-by: David Ahern <dsahern@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jean Pihet <jean.pihet@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-lm42mbpu0cwljpyy8vw5y26n@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-report.c | 13 ++++++++++++-
tools/perf/util/ordered-events.h | 6 ++++++
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index c72cc5a..041e93d 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 6036bd6..2ce847f 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 */
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|