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perf ordered_events: Introduce reinit()

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'perf record' will use this when outputting multiple perf.data files.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1460535673-159866-2-git-send-email-wangnan0@huawei.com
Signed-off-by: He Kuang <hekuang@huawei.com>
[ Split from larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Wang Nan 2016-04-13 08:21:04 +00:00 committed by Arnaldo Carvalho de Melo
parent ea8dc3cefb
commit 4532f64297
2 changed files with 10 additions and 0 deletions
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9
tools/perf/util/ordered-events.c
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@ -308,3 +308,12 @@ void ordered_events__free(struct ordered_events *oe)
free(event);
}
}
void ordered_events__reinit(struct ordered_events *oe)
{
ordered_events__deliver_t old_deliver = oe->deliver;
ordered_events__free(oe);
memset(oe, '\0', sizeof(*oe));
ordered_events__init(oe, old_deliver);
}

1
tools/perf/util/ordered-events.h
View File

@ -49,6 +49,7 @@ void ordered_events__delete(struct ordered_events *oe, struct ordered_event *eve
int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver);
void ordered_events__free(struct ordered_events *oe);
void ordered_events__reinit(struct ordered_events *oe);
static inline
void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)