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authorIan Rogers <irogers@google.com>2023-11-29 09:02:00 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-12-12 20:55:13 +0300
commit923ca62a7b1edceaa61eb6ac8dc56fdac51913b8 (patch)
tree4e8e184704835cbf9216d5549b772b6d4ea36443 /tools/lib
parent8f60f870a9af53295ab4301da05ca453f115a6b6 (diff)
downloadlinux-923ca62a7b1edceaa61eb6ac8dc56fdac51913b8.tar.xz
libperf cpumap: Rename perf_cpu_map__empty() to perf_cpu_map__has_any_cpu_or_is_empty()
The name perf_cpu_map_empty is misleading as true is also returned when the map contains an "any" CPU (aka dummy) map. Rename to perf_cpu_map__has_any_cpu_or_is_empty(), later changes will (re)introduce perf_cpu_map__empty() and perf_cpu_map__has_any_cpu(). Reviewed-by: James Clark <james.clark@arm.com> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Ghiti <alexghiti@rivosinc.com> Cc: Andrew Jones <ajones@ventanamicro.com> Cc: André Almeida <andrealmeid@igalia.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Atish Patra <atishp@rivosinc.com> Cc: Changbin Du <changbin.du@huawei.com> Cc: Darren Hart <dvhart@infradead.org> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: K Prateek Nayak <kprateek.nayak@amd.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Paran Lee <p4ranlee@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Sandipan Das <sandipan.das@amd.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Steinar H. Gunderson <sesse@google.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will@kernel.org> Cc: Yang Jihong <yangjihong1@huawei.com> Cc: Yang Li <yang.lee@linux.alibaba.com> Cc: Yanteng Si <siyanteng@loongson.cn> Cc: bpf@vger.kernel.org Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20231129060211.1890454-4-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/perf/Documentation/libperf.txt2
-rw-r--r--tools/lib/perf/cpumap.c2
-rw-r--r--tools/lib/perf/evlist.c4
-rw-r--r--tools/lib/perf/include/perf/cpumap.h4
-rw-r--r--tools/lib/perf/libperf.map2
5 files changed, 7 insertions, 7 deletions
diff --git a/tools/lib/perf/Documentation/libperf.txt b/tools/lib/perf/Documentation/libperf.txt
index a256a26598b0..fcfb9499ef9c 100644
--- a/tools/lib/perf/Documentation/libperf.txt
+++ b/tools/lib/perf/Documentation/libperf.txt
@@ -46,7 +46,7 @@ SYNOPSIS
void perf_cpu_map__put(struct perf_cpu_map *map);
int perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
- bool perf_cpu_map__empty(const struct perf_cpu_map *map);
+ bool perf_cpu_map__has_any_cpu_or_is_empty(const struct perf_cpu_map *map);
int perf_cpu_map__max(struct perf_cpu_map *map);
bool perf_cpu_map__has(const struct perf_cpu_map *map, int cpu);
diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c
index 3aa80d0d26e8..4adcd7920d03 100644
--- a/tools/lib/perf/cpumap.c
+++ b/tools/lib/perf/cpumap.c
@@ -311,7 +311,7 @@ int perf_cpu_map__nr(const struct perf_cpu_map *cpus)
return cpus ? __perf_cpu_map__nr(cpus) : 1;
}
-bool perf_cpu_map__empty(const struct perf_cpu_map *map)
+bool perf_cpu_map__has_any_cpu_or_is_empty(const struct perf_cpu_map *map)
{
return map ? __perf_cpu_map__cpu(map, 0).cpu == -1 : true;
}
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 3acbbccc1901..75f36218fdd9 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -619,7 +619,7 @@ static int perf_evlist__nr_mmaps(struct perf_evlist *evlist)
/* One for each CPU */
nr_mmaps = perf_cpu_map__nr(evlist->all_cpus);
- if (perf_cpu_map__empty(evlist->all_cpus)) {
+ if (perf_cpu_map__has_any_cpu_or_is_empty(evlist->all_cpus)) {
/* Plus one for each thread */
nr_mmaps += perf_thread_map__nr(evlist->threads);
/* Minus the per-thread CPU (-1) */
@@ -653,7 +653,7 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
return -ENOMEM;
- if (perf_cpu_map__empty(cpus))
+ if (perf_cpu_map__has_any_cpu_or_is_empty(cpus))
return mmap_per_thread(evlist, ops, mp);
return mmap_per_cpu(evlist, ops, mp);
diff --git a/tools/lib/perf/include/perf/cpumap.h b/tools/lib/perf/include/perf/cpumap.h
index b24bd8b8f34e..9cf361fc5edc 100644
--- a/tools/lib/perf/include/perf/cpumap.h
+++ b/tools/lib/perf/include/perf/cpumap.h
@@ -47,9 +47,9 @@ LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
LIBPERF_API struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
/**
- * perf_cpu_map__empty - is map either empty or the "any CPU"/dummy value.
+ * perf_cpu_map__has_any_cpu_or_is_empty - is map either empty or has the "any CPU"/dummy value.
*/
-LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map);
+LIBPERF_API bool perf_cpu_map__has_any_cpu_or_is_empty(const struct perf_cpu_map *map);
LIBPERF_API struct perf_cpu perf_cpu_map__max(const struct perf_cpu_map *map);
LIBPERF_API bool perf_cpu_map__has(const struct perf_cpu_map *map, struct perf_cpu cpu);
LIBPERF_API bool perf_cpu_map__equal(const struct perf_cpu_map *lhs,
diff --git a/tools/lib/perf/libperf.map b/tools/lib/perf/libperf.map
index 8a71f841498e..10b3f3722642 100644
--- a/tools/lib/perf/libperf.map
+++ b/tools/lib/perf/libperf.map
@@ -9,7 +9,7 @@ LIBPERF_0.0.1 {
perf_cpu_map__read;
perf_cpu_map__nr;
perf_cpu_map__cpu;
- perf_cpu_map__empty;
+ perf_cpu_map__has_any_cpu_or_is_empty;
perf_cpu_map__max;
perf_cpu_map__has;
perf_thread_map__new_array;