From 94786b67b5f4577c16486e8eb10ff045e59f80ef Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Thu, 5 Jun 2014 11:00:20 +0200 Subject: 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 Acked-by: David Ahern Cc: Corey Ashford Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Jean Pihet Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-lm42mbpu0cwljpyy8vw5y26n@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- 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 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 */ -- cgit v1.2.1