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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /tools/perf/util/ordered-events.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tools/perf/util/ordered-events.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/tools/perf/util/ordered-events.h b/tools/perf/util/ordered-events.h
new file mode 100644
index 000000000..8febbd7c9
--- /dev/null
+++ b/tools/perf/util/ordered-events.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ORDERED_EVENTS_H
+#define __ORDERED_EVENTS_H
+
+#include <linux/types.h>
+
+struct perf_sample;
+
+struct ordered_event {
+ u64 timestamp;
+ u64 file_offset;
+ const char *file_path;
+ union perf_event *event;
+ struct list_head list;
+};
+
+enum oe_flush {
+ OE_FLUSH__NONE,
+ OE_FLUSH__FINAL,
+ OE_FLUSH__ROUND,
+ OE_FLUSH__HALF,
+ OE_FLUSH__TOP,
+ OE_FLUSH__TIME,
+};
+
+struct ordered_events;
+
+typedef int (*ordered_events__deliver_t)(struct ordered_events *oe,
+ struct ordered_event *event);
+
+struct ordered_events_buffer {
+ struct list_head list;
+ struct ordered_event event[];
+};
+
+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_events_buffer *buffer;
+ struct ordered_event *last;
+ ordered_events__deliver_t deliver;
+ int buffer_idx;
+ unsigned int nr_events;
+ enum oe_flush last_flush_type;
+ u32 nr_unordered_events;
+ bool copy_on_queue;
+ void *data;
+};
+
+int ordered_events__queue(struct ordered_events *oe, union perf_event *event,
+ u64 timestamp, u64 file_offset, const char *file_path);
+void ordered_events__delete(struct ordered_events *oe, struct ordered_event *event);
+int ordered_events__flush(struct ordered_events *oe, enum oe_flush how);
+int ordered_events__flush_time(struct ordered_events *oe, u64 timestamp);
+void ordered_events__init(struct ordered_events *oe, ordered_events__deliver_t deliver,
+ void *data);
+void ordered_events__free(struct ordered_events *oe);
+void ordered_events__reinit(struct ordered_events *oe);
+u64 ordered_events__first_time(struct ordered_events *oe);
+
+static inline
+void ordered_events__set_alloc_size(struct ordered_events *oe, u64 size)
+{
+ oe->max_alloc_size = size;
+}
+
+static inline
+void ordered_events__set_copy_on_queue(struct ordered_events *oe, bool copy)
+{
+ oe->copy_on_queue = copy;
+}
+
+static inline u64 ordered_events__last_flush_time(struct ordered_events *oe)
+{
+ return oe->last_flush;
+}
+
+#endif /* __ORDERED_EVENTS_H */