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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
commit8665bd53f2f2e27e5511d90428cb3f60e6d0ce15 (patch)
tree8d58900dc0ebd4a3011f92c128d2fe45bc7c4bf2 /tools/lib/perf/include
parentAdding debian version 6.7.12-1. (diff)
downloadlinux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.tar.xz
linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/lib/perf/include')
-rw-r--r--tools/lib/perf/include/internal/evlist.h4
-rw-r--r--tools/lib/perf/include/internal/mmap.h3
-rw-r--r--tools/lib/perf/include/perf/cpumap.h40
3 files changed, 39 insertions, 8 deletions
diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h
index d86ffe8ed4..f43bdb9b62 100644
--- a/tools/lib/perf/include/internal/evlist.h
+++ b/tools/lib/perf/include/internal/evlist.h
@@ -126,11 +126,11 @@ u64 perf_evlist__read_format(struct perf_evlist *evlist);
void perf_evlist__id_add(struct perf_evlist *evlist,
struct perf_evsel *evsel,
- int cpu, int thread, u64 id);
+ int cpu_map_idx, int thread, u64 id);
int perf_evlist__id_add_fd(struct perf_evlist *evlist,
struct perf_evsel *evsel,
- int cpu, int thread, int fd);
+ int cpu_map_idx, int thread, int fd);
void perf_evlist__reset_id_hash(struct perf_evlist *evlist);
diff --git a/tools/lib/perf/include/internal/mmap.h b/tools/lib/perf/include/internal/mmap.h
index 5a062af8e9..5f08cab61e 100644
--- a/tools/lib/perf/include/internal/mmap.h
+++ b/tools/lib/perf/include/internal/mmap.h
@@ -33,7 +33,8 @@ struct perf_mmap {
bool overwrite;
u64 flush;
libperf_unmap_cb_t unmap_cb;
- char event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
+ void *event_copy;
+ size_t event_copy_sz;
struct perf_mmap *next;
};
diff --git a/tools/lib/perf/include/perf/cpumap.h b/tools/lib/perf/include/perf/cpumap.h
index e38d859a38..228c6c629b 100644
--- a/tools/lib/perf/include/perf/cpumap.h
+++ b/tools/lib/perf/include/perf/cpumap.h
@@ -19,10 +19,23 @@ 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__new_any_cpu(void);
+/**
+ * perf_cpu_map__new_online_cpus - a map read from
+ * /sys/devices/system/cpu/online if
+ * available. If reading wasn't possible a map
+ * is created using the online processors
+ * assuming the first 'n' processors are all
+ * online.
+ */
+LIBPERF_API struct perf_cpu_map *perf_cpu_map__new_online_cpus(void);
+/**
+ * perf_cpu_map__new - create a map from the given cpu_list such as "0-7". If no
+ * cpu_list argument is provided then
+ * perf_cpu_map__new_online_cpus is returned.
*/
-LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(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);
LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map);
@@ -31,12 +44,23 @@ LIBPERF_API struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
LIBPERF_API struct perf_cpu_map *perf_cpu_map__intersect(struct perf_cpu_map *orig,
struct perf_cpu_map *other);
LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
+/**
+ * perf_cpu_map__cpu - get the CPU value at the given index. Returns -1 if index
+ * is invalid.
+ */
LIBPERF_API struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
+/**
+ * perf_cpu_map__nr - for an empty map returns 1, as perf_cpu_map__cpu returns a
+ * cpu of -1 for an invalid index, this makes an empty map
+ * look like it contains the "any CPU"/dummy value. Otherwise
+ * the result is the number CPUs in the map plus one if the
+ * "any CPU"/dummy value is present.
+ */
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,
@@ -51,6 +75,12 @@ LIBPERF_API bool perf_cpu_map__has_any_cpu(const struct perf_cpu_map *map);
(idx) < perf_cpu_map__nr(cpus); \
(idx)++, (cpu) = perf_cpu_map__cpu(cpus, idx))
+#define perf_cpu_map__for_each_cpu_skip_any(_cpu, idx, cpus) \
+ for ((idx) = 0, (_cpu) = perf_cpu_map__cpu(cpus, idx); \
+ (idx) < perf_cpu_map__nr(cpus); \
+ (idx)++, (_cpu) = perf_cpu_map__cpu(cpus, idx)) \
+ if ((_cpu).cpu != -1)
+
#define perf_cpu_map__for_each_idx(idx, cpus) \
for ((idx) = 0; (idx) < perf_cpu_map__nr(cpus); (idx)++)