mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
a86d695193
Aim-oriented DAMOS quota auto-tuning is an important and recommended feature for DAMOS users. Add a trace event for the observability of the tuned quota and tuning itself. [sj@kernel.org: initialize sidx in damos_trace_esz()] Link: https://lkml.kernel.org/r/20250705172003.52324-1-sj@kernel.org [sj@kernel.org: make damos_esz unconditional trace event] Link: https://lkml.kernel.org/r/20250709182843.35812-1-sj@kernel.org Link: https://lkml.kernel.org/r/20250704221408.38510-3-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: kernel test robot <lkp@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
126 lines
3 KiB
C
126 lines
3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM damon
|
|
|
|
#if !defined(_TRACE_DAMON_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_DAMON_H
|
|
|
|
#include <linux/damon.h>
|
|
#include <linux/types.h>
|
|
#include <linux/tracepoint.h>
|
|
|
|
TRACE_EVENT(damos_esz,
|
|
|
|
TP_PROTO(unsigned int context_idx, unsigned int scheme_idx,
|
|
unsigned long esz),
|
|
|
|
TP_ARGS(context_idx, scheme_idx, esz),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned int, context_idx)
|
|
__field(unsigned int, scheme_idx)
|
|
__field(unsigned long, esz)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->context_idx = context_idx;
|
|
__entry->scheme_idx = scheme_idx;
|
|
__entry->esz = esz;
|
|
),
|
|
|
|
TP_printk("ctx_idx=%u scheme_idx=%u esz=%lu",
|
|
__entry->context_idx, __entry->scheme_idx,
|
|
__entry->esz)
|
|
);
|
|
|
|
TRACE_EVENT_CONDITION(damos_before_apply,
|
|
|
|
TP_PROTO(unsigned int context_idx, unsigned int scheme_idx,
|
|
unsigned int target_idx, struct damon_region *r,
|
|
unsigned int nr_regions, bool do_trace),
|
|
|
|
TP_ARGS(context_idx, scheme_idx, target_idx, r, nr_regions, do_trace),
|
|
|
|
TP_CONDITION(do_trace),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned int, context_idx)
|
|
__field(unsigned int, scheme_idx)
|
|
__field(unsigned long, target_idx)
|
|
__field(unsigned long, start)
|
|
__field(unsigned long, end)
|
|
__field(unsigned int, nr_accesses)
|
|
__field(unsigned int, age)
|
|
__field(unsigned int, nr_regions)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->context_idx = context_idx;
|
|
__entry->scheme_idx = scheme_idx;
|
|
__entry->target_idx = target_idx;
|
|
__entry->start = r->ar.start;
|
|
__entry->end = r->ar.end;
|
|
__entry->nr_accesses = r->nr_accesses_bp / 10000;
|
|
__entry->age = r->age;
|
|
__entry->nr_regions = nr_regions;
|
|
),
|
|
|
|
TP_printk("ctx_idx=%u scheme_idx=%u target_idx=%lu nr_regions=%u %lu-%lu: %u %u",
|
|
__entry->context_idx, __entry->scheme_idx,
|
|
__entry->target_idx, __entry->nr_regions,
|
|
__entry->start, __entry->end,
|
|
__entry->nr_accesses, __entry->age)
|
|
);
|
|
|
|
TRACE_EVENT(damon_monitor_intervals_tune,
|
|
|
|
TP_PROTO(unsigned long sample_us),
|
|
|
|
TP_ARGS(sample_us),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned long, sample_us)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->sample_us = sample_us;
|
|
),
|
|
|
|
TP_printk("sample_us=%lu", __entry->sample_us)
|
|
);
|
|
|
|
TRACE_EVENT(damon_aggregated,
|
|
|
|
TP_PROTO(unsigned int target_id, struct damon_region *r,
|
|
unsigned int nr_regions),
|
|
|
|
TP_ARGS(target_id, r, nr_regions),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(unsigned long, target_id)
|
|
__field(unsigned int, nr_regions)
|
|
__field(unsigned long, start)
|
|
__field(unsigned long, end)
|
|
__field(unsigned int, nr_accesses)
|
|
__field(unsigned int, age)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->target_id = target_id;
|
|
__entry->nr_regions = nr_regions;
|
|
__entry->start = r->ar.start;
|
|
__entry->end = r->ar.end;
|
|
__entry->nr_accesses = r->nr_accesses;
|
|
__entry->age = r->age;
|
|
),
|
|
|
|
TP_printk("target_id=%lu nr_regions=%u %lu-%lu: %u %u",
|
|
__entry->target_id, __entry->nr_regions,
|
|
__entry->start, __entry->end,
|
|
__entry->nr_accesses, __entry->age)
|
|
);
|
|
|
|
#endif /* _TRACE_DAMON_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|