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4a6b362f36
From perf_session, will be used in 'trace'. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-mfihndzaumx44h6y37ng2irb@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
#ifndef __ORDERED_EVENTS_H
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#define __ORDERED_EVENTS_H
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#include <linux/types.h>
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struct perf_tool;
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struct perf_evlist;
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struct perf_sample;
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struct machines;
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struct ordered_event {
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u64 timestamp;
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u64 file_offset;
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union perf_event *event;
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struct list_head list;
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};
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enum oe_flush {
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OE_FLUSH__NONE,
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OE_FLUSH__FINAL,
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OE_FLUSH__ROUND,
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OE_FLUSH__HALF,
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};
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struct ordered_events;
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typedef int (*ordered_events__deliver_t)(struct ordered_events *oe,
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struct ordered_event *event,
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struct perf_sample *sample);
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struct ordered_events {
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u64 last_flush;
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u64 next_flush;
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u64 max_timestamp;
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u64 max_alloc_size;
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u64 cur_alloc_size;
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struct list_head events;
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struct list_head cache;
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struct list_head to_free;
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struct ordered_event *buffer;
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struct ordered_event *last;
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struct machines *machines;
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struct perf_evlist *evlist;
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struct perf_tool *tool;
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ordered_events__deliver_t deliver;
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int buffer_idx;
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unsigned int nr_events;
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enum oe_flush last_flush_type;
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bool copy_on_queue;
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};
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int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
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struct perf_sample *sample, u64 file_offset);
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void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
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int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
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void ordered_events__init(struct ordered_events *oe, struct machines *machines,
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struct perf_evlist *evlsit, struct perf_tool *tool,
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ordered_events__deliver_t deliver);
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void ordered_events__free(struct ordered_events *oe);
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static inline
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void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
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{
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oe->max_alloc_size = size;
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}
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static inline
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void ordered_events__set_copy_on_queue(struct ordered_events *oe, bool copy)
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{
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oe->copy_on_queue = copy;
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}
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#endif /* __ORDERED_EVENTS_H */
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