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authorIan Rogers <irogers@google.com>2022-06-14 17:33:49 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-08-19 18:26:58 +0300
commit35ae6f09d8fd02add781e452a6d2ba6ea3a5482e (patch)
tree4241f1426c3d59aa80460eb65715086aaabd4124 /tools
parente989bc3d0f3f93aab7c5018affc3f87b74716b37 (diff)
downloadlinux-35ae6f09d8fd02add781e452a6d2ba6ea3a5482e.tar.xz
perf cpumap: Synthetic events and const/static
Make the cpumap arguments const to make it clearer they are in rather than out arguments. Make two functions static and remove external declarations. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Colin Ian King <colin.king@intel.com> Cc: Dave Marchevsky <davemarchevsky@fb.com> Cc: German Gomez <german.gomez@arm.com> Cc: Gustavo A. R. Silva <gustavoars@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Kees Kook <keescook@chromium.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220614143353.1559597-3-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/event.h4
-rw-r--r--tools/perf/util/synthetic-events.c20
-rw-r--r--tools/perf/util/synthetic-events.h2
3 files changed, 12 insertions, 14 deletions
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index a7b0931d5137..4e0d8dd3b7a0 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -463,10 +463,6 @@ size_t perf_event__fprintf(union perf_event *event, struct machine *machine, FIL
int kallsyms__get_function_start(const char *kallsyms_filename,
const char *symbol_name, u64 *addr);
-void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max);
-void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf_cpu_map *map,
- u16 type, int max);
-
void event_attr_init(struct perf_event_attr *attr);
int perf_event_paranoid(void);
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 2ae59c03ae77..b3e03a4c6652 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -1185,7 +1185,7 @@ int perf_event__synthesize_thread_map2(struct perf_tool *tool,
}
static void synthesize_cpus(struct cpu_map_entries *cpus,
- struct perf_cpu_map *map)
+ const struct perf_cpu_map *map)
{
int i, map_nr = perf_cpu_map__nr(map);
@@ -1196,7 +1196,7 @@ static void synthesize_cpus(struct cpu_map_entries *cpus,
}
static void synthesize_mask(struct perf_record_record_cpu_map *mask,
- struct perf_cpu_map *map, int max)
+ const struct perf_cpu_map *map, int max)
{
int i;
@@ -1207,12 +1207,12 @@ static void synthesize_mask(struct perf_record_record_cpu_map *mask,
set_bit(perf_cpu_map__cpu(map, i).cpu, mask->mask);
}
-static size_t cpus_size(struct perf_cpu_map *map)
+static size_t cpus_size(const struct perf_cpu_map *map)
{
return sizeof(struct cpu_map_entries) + perf_cpu_map__nr(map) * sizeof(u16);
}
-static size_t mask_size(struct perf_cpu_map *map, int *max)
+static size_t mask_size(const struct perf_cpu_map *map, int *max)
{
int i;
@@ -1229,7 +1229,8 @@ static size_t mask_size(struct perf_cpu_map *map, int *max)
return sizeof(struct perf_record_record_cpu_map) + BITS_TO_LONGS(*max) * sizeof(long);
}
-void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max)
+static void *cpu_map_data__alloc(const struct perf_cpu_map *map, size_t *size,
+ u16 *type, int *max)
{
size_t size_cpus, size_mask;
bool is_dummy = perf_cpu_map__empty(map);
@@ -1263,8 +1264,9 @@ void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int
return zalloc(*size);
}
-void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf_cpu_map *map,
- u16 type, int max)
+static void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data,
+ const struct perf_cpu_map *map,
+ u16 type, int max)
{
data->type = type;
@@ -1279,7 +1281,7 @@ void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf
}
}
-static struct perf_record_cpu_map *cpu_map_event__new(struct perf_cpu_map *map)
+static struct perf_record_cpu_map *cpu_map_event__new(const struct perf_cpu_map *map)
{
size_t size = sizeof(struct perf_record_cpu_map);
struct perf_record_cpu_map *event;
@@ -1299,7 +1301,7 @@ static struct perf_record_cpu_map *cpu_map_event__new(struct perf_cpu_map *map)
}
int perf_event__synthesize_cpu_map(struct perf_tool *tool,
- struct perf_cpu_map *map,
+ const struct perf_cpu_map *map,
perf_event__handler_t process,
struct machine *machine)
{
diff --git a/tools/perf/util/synthetic-events.h b/tools/perf/util/synthetic-events.h
index 81cb3d6af0b9..53737d1619a4 100644
--- a/tools/perf/util/synthetic-events.h
+++ b/tools/perf/util/synthetic-events.h
@@ -46,7 +46,7 @@ typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_event *e
int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process);
int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process);
int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc, perf_event__handler_t process, struct machine *machine);
-int perf_event__synthesize_cpu_map(struct perf_tool *tool, struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_cpu_map(struct perf_tool *tool, const struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine);
int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);