alistair23-linux/tools/perf/util/ordered-events.h
Jiri Olsa 94786b67b5 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>
2014-08-12 12:03:01 -03:00

50 lines
1.1 KiB
C

#ifndef __ORDERED_EVENTS_H
#define __ORDERED_EVENTS_H
#include <linux/types.h>
#include "tool.h"
struct perf_session;
struct ordered_event {
u64 timestamp;
u64 file_offset;
union perf_event *event;
struct list_head list;
};
enum oe_flush {
OE_FLUSH__FINAL,
OE_FLUSH__ROUND,
OE_FLUSH__HALF,
};
struct ordered_events {
u64 last_flush;
u64 next_flush;
u64 max_timestamp;
u64 max_alloc_size;
u64 cur_alloc_size;
struct list_head events;
struct list_head cache;
struct list_head to_free;
struct ordered_event *buffer;
struct ordered_event *last;
int buffer_idx;
unsigned int nr_events;
};
struct ordered_event *ordered_events__new(struct ordered_events *oe, u64 timestamp);
void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
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 */