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Commit 94786b67 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarJiri Olsa <jolsa@kernel.org>
Acked-by: default avatarDavid 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 94c0655f

tools/perf/builtin-report.c

+12 −1
Original line number Diff line number Diff line
@@ -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,

tools/perf/util/ordered-events.h

+6 −0
Original line number Diff line number Diff line
@@ -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 */