Re: [PATCH v1 01/14] libperf cpumap: Rename perf_cpu_map__dummy_new

From: James Clark
Date: Tue Dec 12 2023 - 06:21:02 EST

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On 29/11/2023 06:01, Ian Rogers wrote:
> Rename perf_cpu_map__dummy_new to perf_cpu_map__new_any_cpu to better
> indicate this is creating a CPU map for the perf_event_open "any" CPU
> case.
>
> Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>

Reviewed-by: James Clark <james.clark@xxxxxxx>

> ---
> tools/lib/perf/Documentation/libperf.txt | 2 +-
> tools/lib/perf/cpumap.c | 4 ++--
> tools/lib/perf/evsel.c | 2 +-
> tools/lib/perf/include/perf/cpumap.h | 4 ++--
> tools/lib/perf/libperf.map | 2 +-
> tools/lib/perf/tests/test-cpumap.c | 2 +-
> tools/lib/perf/tests/test-evlist.c | 2 +-
> tools/perf/tests/cpumap.c | 2 +-
> tools/perf/tests/sw-clock.c | 2 +-
> tools/perf/tests/task-exit.c | 2 +-
> tools/perf/util/evlist.c | 2 +-
> tools/perf/util/evsel.c | 2 +-
> 12 files changed, 14 insertions(+), 14 deletions(-)
>
> diff --git a/tools/lib/perf/Documentation/libperf.txt b/tools/lib/perf/Documentation/libperf.txt
> index a8f1a237931b..a256a26598b0 100644
> --- a/tools/lib/perf/Documentation/libperf.txt
> +++ b/tools/lib/perf/Documentation/libperf.txt
> @@ -37,7 +37,7 @@ SYNOPSIS
>
> struct perf_cpu_map;
>
> - struct perf_cpu_map *perf_cpu_map__dummy_new(void);
> + struct perf_cpu_map *perf_cpu_map__new_any_cpu(void);
> struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list);
> struct perf_cpu_map *perf_cpu_map__read(FILE *file);
> struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map);
> diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c
> index 2a5a29217374..2bd6aba3d8c9 100644
> --- a/tools/lib/perf/cpumap.c
> +++ b/tools/lib/perf/cpumap.c
> @@ -27,7 +27,7 @@ struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus)
> return result;
> }
>
> -struct perf_cpu_map *perf_cpu_map__dummy_new(void)
> +struct perf_cpu_map *perf_cpu_map__new_any_cpu(void)
> {
> struct perf_cpu_map *cpus = perf_cpu_map__alloc(1);
>
> @@ -271,7 +271,7 @@ struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list)
> else if (*cpu_list != '\0')
> cpus = cpu_map__default_new();
> else
> - cpus = perf_cpu_map__dummy_new();
> + cpus = perf_cpu_map__new_any_cpu();
> invalid:
> free(tmp_cpus);
> out:
> diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
> index 8b51b008a81f..c07160953224 100644
> --- a/tools/lib/perf/evsel.c
> +++ b/tools/lib/perf/evsel.c
> @@ -120,7 +120,7 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
> static struct perf_cpu_map *empty_cpu_map;
>
> if (empty_cpu_map == NULL) {
> - empty_cpu_map = perf_cpu_map__dummy_new();
> + empty_cpu_map = perf_cpu_map__new_any_cpu();
> if (empty_cpu_map == NULL)
> return -ENOMEM;
> }
> diff --git a/tools/lib/perf/include/perf/cpumap.h b/tools/lib/perf/include/perf/cpumap.h
> index e38d859a384d..d0bf218ada11 100644
> --- a/tools/lib/perf/include/perf/cpumap.h
> +++ b/tools/lib/perf/include/perf/cpumap.h
> @@ -19,9 +19,9 @@ struct perf_cache {
> struct perf_cpu_map;
>
> /**
> - * perf_cpu_map__dummy_new - a map with a singular "any CPU"/dummy -1 value.
> + * perf_cpu_map__new_any_cpu - a map with a singular "any CPU"/dummy -1 value.
> */
> -LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(void);
> +LIBPERF_API struct perf_cpu_map *perf_cpu_map__new_any_cpu(void);
> LIBPERF_API struct perf_cpu_map *perf_cpu_map__default_new(void);
> LIBPERF_API struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list);
> LIBPERF_API struct perf_cpu_map *perf_cpu_map__read(FILE *file);
> diff --git a/tools/lib/perf/libperf.map b/tools/lib/perf/libperf.map
> index 190b56ae923a..a8ff64baea3e 100644
> --- a/tools/lib/perf/libperf.map
> +++ b/tools/lib/perf/libperf.map
> @@ -1,7 +1,7 @@
> LIBPERF_0.0.1 {
> global:
> libperf_init;
> - perf_cpu_map__dummy_new;
> + perf_cpu_map__new_any_cpu;
> perf_cpu_map__default_new;
> perf_cpu_map__get;
> perf_cpu_map__put;
> diff --git a/tools/lib/perf/tests/test-cpumap.c b/tools/lib/perf/tests/test-cpumap.c
> index 87b0510a556f..2c359bdb951e 100644
> --- a/tools/lib/perf/tests/test-cpumap.c
> +++ b/tools/lib/perf/tests/test-cpumap.c
> @@ -21,7 +21,7 @@ int test_cpumap(int argc, char **argv)
>
> libperf_init(libperf_print);
>
> - cpus = perf_cpu_map__dummy_new();
> + cpus = perf_cpu_map__new_any_cpu();
> if (!cpus)
> return -1;
>
> diff --git a/tools/lib/perf/tests/test-evlist.c b/tools/lib/perf/tests/test-evlist.c
> index ed616fc19b4f..ab63878bacb9 100644
> --- a/tools/lib/perf/tests/test-evlist.c
> +++ b/tools/lib/perf/tests/test-evlist.c
> @@ -261,7 +261,7 @@ static int test_mmap_thread(void)
> threads = perf_thread_map__new_dummy();
> __T("failed to create threads", threads);
>
> - cpus = perf_cpu_map__dummy_new();
> + cpus = perf_cpu_map__new_any_cpu();
> __T("failed to create cpus", cpus);
>
> perf_thread_map__set_pid(threads, 0, pid);
> diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c
> index 7730fc2ab40b..bd8e396f3e57 100644
> --- a/tools/perf/tests/cpumap.c
> +++ b/tools/perf/tests/cpumap.c
> @@ -213,7 +213,7 @@ static int test__cpu_map_intersect(struct test_suite *test __maybe_unused,
>
> static int test__cpu_map_equal(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
> {
> - struct perf_cpu_map *any = perf_cpu_map__dummy_new();
> + struct perf_cpu_map *any = perf_cpu_map__new_any_cpu();
> struct perf_cpu_map *one = perf_cpu_map__new("1");
> struct perf_cpu_map *two = perf_cpu_map__new("2");
> struct perf_cpu_map *empty = perf_cpu_map__intersect(one, two);
> diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c
> index 4d7493fa0105..290716783ac6 100644
> --- a/tools/perf/tests/sw-clock.c
> +++ b/tools/perf/tests/sw-clock.c
> @@ -62,7 +62,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id)
> }
> evlist__add(evlist, evsel);
>
> - cpus = perf_cpu_map__dummy_new();
> + cpus = perf_cpu_map__new_any_cpu();
> threads = thread_map__new_by_tid(getpid());
> if (!cpus || !threads) {
> err = -ENOMEM;
> diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
> index 968dddde6dda..d33d0952025c 100644
> --- a/tools/perf/tests/task-exit.c
> +++ b/tools/perf/tests/task-exit.c
> @@ -70,7 +70,7 @@ static int test__task_exit(struct test_suite *test __maybe_unused, int subtest _
> * evlist__prepare_workload we'll fill in the only thread
> * we're monitoring, the one forked there.
> */
> - cpus = perf_cpu_map__dummy_new();
> + cpus = perf_cpu_map__new_any_cpu();
> threads = thread_map__new_by_tid(-1);
> if (!cpus || !threads) {
> err = -ENOMEM;
> diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
> index e36da58522ef..ff7f85ded89d 100644
> --- a/tools/perf/util/evlist.c
> +++ b/tools/perf/util/evlist.c
> @@ -1056,7 +1056,7 @@ int evlist__create_maps(struct evlist *evlist, struct target *target)
> return -1;
>
> if (target__uses_dummy_map(target))
> - cpus = perf_cpu_map__dummy_new();
> + cpus = perf_cpu_map__new_any_cpu();
> else
> cpus = perf_cpu_map__new(target->cpu_list);
>
> diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
> index a5da74e3a517..76ef3ab488a2 100644
> --- a/tools/perf/util/evsel.c
> +++ b/tools/perf/util/evsel.c
> @@ -1801,7 +1801,7 @@ static int __evsel__prepare_open(struct evsel *evsel, struct perf_cpu_map *cpus,
>
> if (cpus == NULL) {
> if (empty_cpu_map == NULL) {
> - empty_cpu_map = perf_cpu_map__dummy_new();
> + empty_cpu_map = perf_cpu_map__new_any_cpu();
> if (empty_cpu_map == NULL)
> return -ENOMEM;
> }

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