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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
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SeongJae Park
2fcb93629a
This commit adds a tracepoint for DAMON. It traces the monitoring results of each region for each aggregation interval. Using this, DAMON can easily integrated with tracepoints supporting tools such as perf. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: SeongJae Park <[email protected]> Reviewed-by: Leonard Foerster <[email protected]> Reviewed-by: Steven Rostedt (VMware) <[email protected]> Reviewed-by: Fernand Sieber <[email protected]> Acked-by: Shakeel Butt <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Amit Shah <[email protected]> Cc: Benjamin Herrenschmidt <[email protected]> Cc: Brendan Higgins <[email protected]> Cc: David Hildenbrand <[email protected]> Cc: David Rientjes <[email protected]> Cc: David Woodhouse <[email protected]> Cc: Fan Du <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> Cc: Greg Thelen <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Joe Perches <[email protected]> Cc: Jonathan Cameron <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Marco Elver <[email protected]> Cc: Markus Boehme <[email protected]> Cc: Maximilian Heyne <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Shuah Khan <[email protected]> Cc: Vladimir Davydov <[email protected]> Cc: Vlastimil Babka <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM damon
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#if !defined(_TRACE_DAMON_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_DAMON_H
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#include <linux/damon.h>
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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TRACE_EVENT(damon_aggregated,
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TP_PROTO(struct damon_target *t, struct damon_region *r,
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unsigned int nr_regions),
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TP_ARGS(t, r, nr_regions),
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TP_STRUCT__entry(
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__field(unsigned long, target_id)
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__field(unsigned int, nr_regions)
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__field(unsigned long, start)
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__field(unsigned long, end)
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__field(unsigned int, nr_accesses)
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),
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TP_fast_assign(
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__entry->target_id = t->id;
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__entry->nr_regions = nr_regions;
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__entry->start = r->ar.start;
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__entry->end = r->ar.end;
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__entry->nr_accesses = r->nr_accesses;
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),
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TP_printk("target_id=%lu nr_regions=%u %lu-%lu: %u",
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__entry->target_id, __entry->nr_regions,
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__entry->start, __entry->end, __entry->nr_accesses)
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);
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#endif /* _TRACE_DAMON_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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