4.19-stable review patch. If anyone has any objections, please let me know.
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From: Namhyung Kim namhyung@kernel.org
commit 65ba872a6971c11ceb342c3330f059289c0e6bdb upstream.
To pick the trivial change in:
119a784c81270eb8 ("perf/core: Add a new read format to get a number of lost samples")
Signed-off-by: Namhyung Kim namhyung@kernel.org Acked-by: Jiri Olsa jolsa@kernel.org Cc: Ian Rogers irogers@google.com Cc: Ingo Molnar mingo@kernel.org Cc: Peter Zijlstra peterz@infradead.org Link: https://lore.kernel.org/r/20220819003644.508916-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/include/uapi/linux/perf_event.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/tools/include/uapi/linux/perf_event.h +++ b/tools/include/uapi/linux/perf_event.h @@ -273,6 +273,7 @@ enum { * { u64 time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING * { u64 id; } && PERF_FORMAT_ID + * { u64 lost; } && PERF_FORMAT_LOST * } && !PERF_FORMAT_GROUP * * { u64 nr; @@ -280,6 +281,7 @@ enum { * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING * { u64 value; * { u64 id; } && PERF_FORMAT_ID + * { u64 lost; } && PERF_FORMAT_LOST * } cntr[nr]; * } && PERF_FORMAT_GROUP * }; @@ -289,8 +291,9 @@ enum perf_event_read_format { PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1, PERF_FORMAT_ID = 1U << 2, PERF_FORMAT_GROUP = 1U << 3, + PERF_FORMAT_LOST = 1U << 4,
- PERF_FORMAT_MAX = 1U << 4, /* non-ABI */ + PERF_FORMAT_MAX = 1U << 5, /* non-ABI */ };
#define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */