diff options
| -rw-r--r-- | include/trace/events/damon.h | 43 | ||||
| -rw-r--r-- | mm/damon/core.c | 7 |
2 files changed, 49 insertions, 1 deletions
diff --git a/include/trace/events/damon.h b/include/trace/events/damon.h new file mode 100644 index 000000000000..2f422f4f1fb9 --- /dev/null +++ b/include/trace/events/damon.h @@ -0,0 +1,43 @@ +/* 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(damon_aggregated, + + TP_PROTO(struct damon_target *t, struct damon_region *r, + unsigned int nr_regions), + + TP_ARGS(t, 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) + ), + + TP_fast_assign( + __entry->target_id = t->id; + __entry->nr_regions = nr_regions; + __entry->start = r->ar.start; + __entry->end = r->ar.end; + __entry->nr_accesses = r->nr_accesses; + ), + + TP_printk("target_id=%lu nr_regions=%u %lu-%lu: %u", + __entry->target_id, __entry->nr_regions, + __entry->start, __entry->end, __entry->nr_accesses) +); + +#endif /* _TRACE_DAMON_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/mm/damon/core.c b/mm/damon/core.c index 28a2c78914fa..ee24d64e8019 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -13,6 +13,9 @@ #include <linux/random.h> #include <linux/slab.h> +#define CREATE_TRACE_POINTS +#include <trace/events/damon.h> + /* Get a random number in [l, r) */ #define damon_rand(l, r) (l + prandom_u32_max(r - l)) @@ -387,8 +390,10 @@ static void kdamond_reset_aggregated(struct damon_ctx *c) damon_for_each_target(t, c) { struct damon_region *r; - damon_for_each_region(r, t) + damon_for_each_region(r, t) { + trace_damon_aggregated(t, r, damon_nr_regions(t)); r->nr_accesses = 0; + } } } |