[tip: perf/core] libperf: Move perf's cpu_map__empty() to perf_cpu_map__empty()

tip-bot2 for Jiri Olsa
2019-08-23T12:22:13Z

The following commit has been merged into the perf/core branch of tip:

Commit-ID: 315c0a1f0ccdd44c65f80ccbc62202fed8a23050
Gitweb: https://git.kernel.org/tip/315c0a1f0ccdd44c65f80ccbc62202fed8a23050
Author: Jiri Olsa <jolsa@kernel.org>
AuthorDate: Thu, 22 Aug 2019 13:11:39 +02:00
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitterDate: Thu, 22 Aug 2019 11:17:03 -03:00

libperf: Move perf's cpu_map__empty() to perf_cpu_map__empty()

So it's part of the libperf library as one of basic functions operating
on the perf_cpu_map class.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190822111141.25823-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/arch/arm/util/cs-etm.c | 8 ++++----
tools/perf/arch/x86/util/intel-bts.c | 4 ++--
tools/perf/arch/x86/util/intel-pt.c | 10 +++++-----
tools/perf/builtin-c2c.c | 2 +-
tools/perf/builtin-stat.c | 4 ++--
tools/perf/lib/cpumap.c | 5 +++++
tools/perf/lib/include/perf/cpumap.h | 2 ++
tools/perf/lib/libperf.map | 1 +
tools/perf/util/cpumap.c | 6 +++---
tools/perf/util/cpumap.h | 7 +------
tools/perf/util/event.c | 2 +-
tools/perf/util/evlist.c | 6 +++---
tools/perf/util/record.c | 2 +-
tools/perf/util/stat.c | 2 +-
14 files changed, 32 insertions(+), 29 deletions(-)

diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index c786ab0..c73da32 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -396,7 +396,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
* AUX event. We also need the contextID in order to be notified
* when a context switch happened.
*/
- if (!cpu_map__empty(cpus)) {
+ if (!perf_cpu_map__empty(cpus)) {
perf_evsel__set_sample_bit(cs_etm_evsel, CPU);

err = cs_etm_set_option(itr, cs_etm_evsel,
@@ -420,7 +420,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
tracking_evsel->core.attr.sample_period = 1;

/* In per-cpu case, always need the time of mmap events etc */
- if (!cpu_map__empty(cpus))
+ if (!perf_cpu_map__empty(cpus))
perf_evsel__set_sample_bit(tracking_evsel, TIME);
}

@@ -493,7 +493,7 @@ cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused,
struct perf_cpu_map *online_cpus = perf_cpu_map__new(NULL);

/* cpu map is not empty, we have specific CPUs to work with */
- if (!cpu_map__empty(event_cpus)) {
+ if (!perf_cpu_map__empty(event_cpus)) {
for (i = 0; i < cpu__max_cpu(); i++) {
if (!cpu_map__has(event_cpus, i) ||
!cpu_map__has(online_cpus, i))
@@ -649,7 +649,7 @@ static int cs_etm_info_fill(struct auxtrace_record *itr,
return -EINVAL;

/* If the cpu_map is empty all online CPUs are involved */
- if (cpu_map__empty(event_cpus)) {
+ if (perf_cpu_map__empty(event_cpus)) {
cpu_map = online_cpus;
} else {
/* Make sure all specified CPUs are online */
diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index 7b23318..2d5d8a1 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -133,7 +133,7 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
if (!opts->full_auxtrace)
return 0;

- if (opts->full_auxtrace && !cpu_map__empty(cpus)) {
+ if (opts->full_auxtrace && !perf_cpu_map__empty(cpus)) {
pr_err(INTEL_BTS_PMU_NAME " does not support per-cpu recording\n");
return -EINVAL;
}
@@ -214,7 +214,7 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
* In the case of per-cpu mmaps, we need the CPU on the
* AUX event.
*/
- if (!cpu_map__empty(cpus))
+ if (!perf_cpu_map__empty(cpus))
perf_evsel__set_sample_bit(intel_bts_evsel, CPU);
}

diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index a8e633a..c72a77a 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -365,7 +365,7 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
ui__warning("Intel Processor Trace: TSC not available\n");
}

- per_cpu_mmaps = !cpu_map__empty(session->evlist->core.cpus);
+ per_cpu_mmaps = !perf_cpu_map__empty(session->evlist->core.cpus);

auxtrace_info->type = PERF_AUXTRACE_INTEL_PT;
auxtrace_info->priv[INTEL_PT_PMU_TYPE] = intel_pt_pmu->type;
@@ -702,7 +702,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
* Per-cpu recording needs sched_switch events to distinguish different
* threads.
*/
- if (have_timing_info && !cpu_map__empty(cpus)) {
+ if (have_timing_info && !perf_cpu_map__empty(cpus)) {
if (perf_can_record_switch_events()) {
bool cpu_wide = !target__none(&opts->target) &&
!target__has_task(&opts->target);
@@ -760,7 +760,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
* In the case of per-cpu mmaps, we need the CPU on the
* AUX event.
*/
- if (!cpu_map__empty(cpus))
+ if (!perf_cpu_map__empty(cpus))
perf_evsel__set_sample_bit(intel_pt_evsel, CPU);
}

@@ -784,7 +784,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
tracking_evsel->immediate = true;

/* In per-cpu case, always need the time of mmap events etc */
- if (!cpu_map__empty(cpus)) {
+ if (!perf_cpu_map__empty(cpus)) {
perf_evsel__set_sample_bit(tracking_evsel, TIME);
/* And the CPU for switch events */
perf_evsel__set_sample_bit(tracking_evsel, CPU);
@@ -796,7 +796,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
* Warn the user when we do not have enough information to decode i.e.
* per-cpu with no sched_switch (except workload-only).
*/
- if (!ptr->have_sched_switch && !cpu_map__empty(cpus) &&
+ if (!ptr->have_sched_switch && !perf_cpu_map__empty(cpus) &&
!target__none(&opts->target))
ui__warning("Intel Processor Trace decoding will not be possible except for kernel tracing!\n");

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index f0aae6e..01629f5 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -2059,7 +2059,7 @@ static int setup_nodes(struct perf_session *session)
nodes[node] = set;

/* empty node, skip */
- if (cpu_map__empty(map))
+ if (perf_cpu_map__empty(map))
continue;

for (cpu = 0; cpu < map->nr; cpu++) {
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index b19df67..90636a8 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -928,7 +928,7 @@ static int perf_stat_init_aggr_mode(void)
* the aggregation translate cpumap.
*/
nr = cpu_map__get_max(evsel_list->core.cpus);
- stat_config.cpus_aggr_map = cpu_map__empty_new(nr + 1);
+ stat_config.cpus_aggr_map = perf_cpu_map__empty_new(nr + 1);
return stat_config.cpus_aggr_map ? 0 : -ENOMEM;
}

@@ -1493,7 +1493,7 @@ int process_stat_config_event(struct perf_session *session,

perf_event__read_stat_config(&stat_config, &event->stat_config);

- if (cpu_map__empty(st->cpus)) {
+ if (perf_cpu_map__empty(st->cpus)) {
if (st->aggr_mode != AGGR_UNSET)
pr_warning("warning: processing task data, aggregation mode not set\n");
return 0;
diff --git a/tools/perf/lib/cpumap.c b/tools/perf/lib/cpumap.c
index 1ddb69e..63f7df7 100644
--- a/tools/perf/lib/cpumap.c
+++ b/tools/perf/lib/cpumap.c
@@ -237,3 +237,8 @@ int perf_cpu_map__nr(const struct perf_cpu_map *cpus)
{
return cpus ? cpus->nr : 1;
}
+
+bool perf_cpu_map__empty(const struct perf_cpu_map *map)
+{
+ return map ? map->map[0] == -1 : true;
+}
diff --git a/tools/perf/lib/include/perf/cpumap.h b/tools/perf/lib/include/perf/cpumap.h
index 1b6e7db..8aa995c 100644
--- a/tools/perf/lib/include/perf/cpumap.h
+++ b/tools/perf/lib/include/perf/cpumap.h
@@ -4,6 +4,7 @@

#include <perf/core.h>
#include <stdio.h>
+#include <stdbool.h>

struct perf_cpu_map;

@@ -14,6 +15,7 @@ LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map);
LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
LIBPERF_API int 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);
+LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map);

#define perf_cpu_map__for_each_cpu(cpu, idx, cpus) \
for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx); \
diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map
index e24d3ce..3373dd5 100644
--- a/tools/perf/lib/libperf.map
+++ b/tools/perf/lib/libperf.map
@@ -8,6 +8,7 @@ LIBPERF_0.0.1 {
perf_cpu_map__read;
perf_cpu_map__nr;
perf_cpu_map__cpu;
+ perf_cpu_map__empty;
perf_thread_map__new_dummy;
perf_thread_map__set_pid;
perf_thread_map__comm;
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index beb3525..4402e67 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -21,7 +21,7 @@ static struct perf_cpu_map *cpu_map__from_entries(struct cpu_map_entries *cpus)
{
struct perf_cpu_map *map;

- map = cpu_map__empty_new(cpus->nr);
+ map = perf_cpu_map__empty_new(cpus->nr);
if (map) {
unsigned i;

@@ -48,7 +48,7 @@ static struct perf_cpu_map *cpu_map__from_mask(struct cpu_map_mask *mask)

nr = bitmap_weight(mask->mask, nbits);

- map = cpu_map__empty_new(nr);
+ map = perf_cpu_map__empty_new(nr);
if (map) {
int cpu, i = 0;

@@ -77,7 +77,7 @@ size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp)
#undef BUFSIZE
}

-struct perf_cpu_map *cpu_map__empty_new(int nr)
+struct perf_cpu_map *perf_cpu_map__empty_new(int nr)
{
struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(int) * nr);

diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index 77f85e9..3e06809 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -11,7 +11,7 @@
#include "perf.h"
#include "util/debug.h"

-struct perf_cpu_map *cpu_map__empty_new(int nr);
+struct perf_cpu_map *perf_cpu_map__empty_new(int nr);
struct perf_cpu_map *cpu_map__new_data(struct cpu_map_data *data);
size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size);
@@ -49,11 +49,6 @@ static inline int cpu_map__id_to_cpu(int id)
return id & 0xffff;
}

-static inline bool cpu_map__empty(const struct perf_cpu_map *map)
-{
- return map ? map->map[0] == -1 : true;
-}
-
int cpu__setup_cpunode_map(void);

int cpu__max_node(void);
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index f440fdc..f433da8 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -1055,7 +1055,7 @@ static size_t mask_size(struct perf_cpu_map *map, int *max)
void *cpu_map_data__alloc(struct perf_cpu_map *map, size_t *size, u16 *type, int *max)
{
size_t size_cpus, size_mask;
- bool is_dummy = cpu_map__empty(map);
+ bool is_dummy = perf_cpu_map__empty(map);

/*
* Both array and mask data have variable size based
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 15d1046..ba49b5e 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -386,7 +386,7 @@ static int perf_evlist__enable_event_thread(struct evlist *evlist,
int perf_evlist__enable_event_idx(struct evlist *evlist,
struct evsel *evsel, int idx)
{
- bool per_cpu_mmaps = !cpu_map__empty(evlist->core.cpus);
+ bool per_cpu_mmaps = !perf_cpu_map__empty(evlist->core.cpus);

if (per_cpu_mmaps)
return perf_evlist__enable_event_cpu(evlist, evsel, idx);
@@ -693,7 +693,7 @@ static struct perf_mmap *perf_evlist__alloc_mmap(struct evlist *evlist,
struct perf_mmap *map;

evlist->nr_mmaps = perf_cpu_map__nr(evlist->core.cpus);
- if (cpu_map__empty(evlist->core.cpus))
+ if (perf_cpu_map__empty(evlist->core.cpus))
evlist->nr_mmaps = thread_map__nr(evlist->core.threads);
map = zalloc(evlist->nr_mmaps * sizeof(struct perf_mmap));
if (!map)
@@ -1018,7 +1018,7 @@ int perf_evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
return -ENOMEM;
}

- if (cpu_map__empty(cpus))
+ if (perf_cpu_map__empty(cpus))
return perf_evlist__mmap_per_thread(evlist, &mp);

return perf_evlist__mmap_per_cpu(evlist, &mp);
diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
index e59382d..51bbd07 100644
--- a/tools/perf/util/record.c
+++ b/tools/perf/util/record.c
@@ -275,7 +275,7 @@ bool perf_evlist__can_select_event(struct evlist *evlist, const char *str)

evsel = perf_evlist__last(temp_evlist);

- if (!evlist || cpu_map__empty(evlist->core.cpus)) {
+ if (!evlist || perf_cpu_map__empty(evlist->core.cpus)) {
struct perf_cpu_map *cpus = perf_cpu_map__new(NULL);

cpu = cpus ? cpus->map[0] : 0;
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index e4e4e3b..2715112 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -223,7 +223,7 @@ static int check_per_pkg(struct evsel *counter,
if (!counter->per_pkg)
return 0;

- if (cpu_map__empty(cpus))
+ if (perf_cpu_map__empty(cpus))
return 0;

if (!mask) {