diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2024-12-19 22:00:06 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-12-20 17:36:06 -0300 |
| commit | d8cc6da4067b66f5fe54b865ae4ed987455d91fc (patch) | |
| tree | d2d70def639e55caa60622389ca4b77b3ba28c04 | |
| parent | efff5add204fd30c4f1707a87369e00704721315 (diff) | |
perf lock contention: Add and use LCB_F_TYPE_MASK
This is a preparation for the later change. It'll use more bits in the
flags so let's rename the type part and use the mask to extract the
type.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Chun-Tse Shao <ctshao@google.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kees Cook <kees@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Link: https://lore.kernel.org/r/20241220060009.507297-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/builtin-lock.c | 4 | ||||
| -rw-r--r-- | tools/perf/util/bpf_skel/lock_data.h | 3 |
2 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index f66948b1fbed..d9f3477d2b02 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -1490,7 +1490,7 @@ static const struct { static const char *get_type_str(unsigned int flags) { - flags &= LCB_F_MAX_FLAGS - 1; + flags &= LCB_F_TYPE_MASK; for (unsigned int i = 0; i < ARRAY_SIZE(lock_type_table); i++) { if (lock_type_table[i].flags == flags) @@ -1501,7 +1501,7 @@ static const char *get_type_str(unsigned int flags) static const char *get_type_name(unsigned int flags) { - flags &= LCB_F_MAX_FLAGS - 1; + flags &= LCB_F_TYPE_MASK; for (unsigned int i = 0; i < ARRAY_SIZE(lock_type_table); i++) { if (lock_type_table[i].flags == flags) diff --git a/tools/perf/util/bpf_skel/lock_data.h b/tools/perf/util/bpf_skel/lock_data.h index de12892f992f..4f0aae548374 100644 --- a/tools/perf/util/bpf_skel/lock_data.h +++ b/tools/perf/util/bpf_skel/lock_data.h @@ -32,7 +32,8 @@ struct contention_task_data { #define LCD_F_MMAP_LOCK (1U << 31) #define LCD_F_SIGHAND_LOCK (1U << 30) -#define LCB_F_MAX_FLAGS (1U << 7) +#define LCB_F_TYPE_MAX (1U << 7) +#define LCB_F_TYPE_MASK 0x0000007FU struct contention_data { u64 total_time; |