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authorJiri Olsa <jolsa@kernel.org>2014-08-01 18:02:58 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-12 17:02:58 +0200
commit5f86b80b85f0dcd05fd1471eac6984181a707c4f (patch)
tree4894e3ca1638822b97d3f9bc4a41f5f56e932260 /tools/perf/util/ordered-events.h
parentperf tools: Make perf_session__deliver_event global (diff)
downloadlinux-5f86b80b85f0dcd05fd1471eac6984181a707c4f.tar.xz
linux-5f86b80b85f0dcd05fd1471eac6984181a707c4f.zip
perf tools: Create ordered-events object
Move ordered events code into separated object ordered-events.[ch]. No functional change was intended. 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-1ge3rilgudszbl87cejm1tfg@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/ordered-events.h')
-rw-r--r--tools/perf/util/ordered-events.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h
new file mode 100644
index 000000000000..8309983bdd70
--- /dev/null
+++ b/tools/perf/util/ordered-events.h
@@ -0,0 +1,41 @@
+#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);
+#endif /* __ORDERED_EVENTS_H */