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Date: Wed, 30 Mar 2022 17:31:04 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach <mike.leach@...aro.org>,
Leo Yan <leo.yan@...aro.org>,
John Garry <john.garry@...wei.com>,
Will Deacon <will@...nel.org>,
Alexei Starovoitov <ast@...nel.org>,
Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>,
Martin KaFai Lau <kafai@...com>,
Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>,
Kajol Jain <kjain@...ux.ibm.com>,
James Clark <james.clark@....com>,
German Gomez <german.gomez@....com>,
Adrian Hunter <adrian.hunter@...el.com>,
Riccardo Mancini <rickyman7@...il.com>,
Andi Kleen <ak@...ux.intel.com>,
Alexey Bayduraev <alexey.v.bayduraev@...ux.intel.com>,
Alexander Antonov <alexander.antonov@...ux.intel.com>,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
netdev@...r.kernel.org, bpf@...r.kernel.org,
Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH v2 2/6] perf evlist: Rename cpus to user_requested_cpus
Em Mon, Mar 28, 2022 at 04:26:44PM -0700, Ian Rogers escreveu:
> evlist contains cpus and all_cpus. all_cpus is the union of the cpu maps
> of all evsels. For non-task targets, cpus is set to be cpus requested
> from the command line, defaulting to all online cpus if no cpus are
> specified. For an uncore event, all_cpus may be just CPU 0 or every online
> CPU. This causes all_cpus to have fewer values than the cpus variable
> which is confusing given the 'all' in the name. To try to make the behavior
> clearer, rename cpus to user_requested_cpus and add comments on the two
> struct variables.
Thanks, applied.
- Arnaldo
> Signed-off-by: Ian Rogers <irogers@...gle.com>
> ---
> tools/lib/perf/evlist.c | 28 ++++++++++++------------
> tools/lib/perf/include/internal/evlist.h | 7 +++++-
> tools/perf/arch/arm/util/cs-etm.c | 8 +++----
> tools/perf/arch/arm64/util/arm-spe.c | 2 +-
> tools/perf/arch/x86/util/intel-bts.c | 2 +-
> tools/perf/arch/x86/util/intel-pt.c | 4 ++--
> tools/perf/bench/evlist-open-close.c | 2 +-
> tools/perf/builtin-ftrace.c | 2 +-
> tools/perf/builtin-record.c | 6 ++---
> tools/perf/builtin-stat.c | 10 ++++-----
> tools/perf/builtin-top.c | 2 +-
> tools/perf/util/auxtrace.c | 2 +-
> tools/perf/util/bpf_ftrace.c | 4 ++--
> tools/perf/util/evlist.c | 15 +++++++------
> tools/perf/util/record.c | 6 ++---
> tools/perf/util/sideband_evlist.c | 3 ++-
> tools/perf/util/stat-display.c | 2 +-
> tools/perf/util/synthetic-events.c | 2 +-
> tools/perf/util/top.c | 8 ++++---
> 19 files changed, 62 insertions(+), 53 deletions(-)
>
> diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
> index 9a770bfdc804..1b15ba13c477 100644
> --- a/tools/lib/perf/evlist.c
> +++ b/tools/lib/perf/evlist.c
> @@ -41,10 +41,10 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
> */
> if (!evsel->own_cpus || evlist->has_user_cpus) {
> perf_cpu_map__put(evsel->cpus);
> - evsel->cpus = perf_cpu_map__get(evlist->cpus);
> - } else if (!evsel->system_wide && perf_cpu_map__empty(evlist->cpus)) {
> + evsel->cpus = perf_cpu_map__get(evlist->user_requested_cpus);
> + } else if (!evsel->system_wide && perf_cpu_map__empty(evlist->user_requested_cpus)) {
> perf_cpu_map__put(evsel->cpus);
> - evsel->cpus = perf_cpu_map__get(evlist->cpus);
> + evsel->cpus = perf_cpu_map__get(evlist->user_requested_cpus);
> } else if (evsel->cpus != evsel->own_cpus) {
> perf_cpu_map__put(evsel->cpus);
> evsel->cpus = perf_cpu_map__get(evsel->own_cpus);
> @@ -123,10 +123,10 @@ static void perf_evlist__purge(struct perf_evlist *evlist)
>
> void perf_evlist__exit(struct perf_evlist *evlist)
> {
> - perf_cpu_map__put(evlist->cpus);
> + perf_cpu_map__put(evlist->user_requested_cpus);
> perf_cpu_map__put(evlist->all_cpus);
> perf_thread_map__put(evlist->threads);
> - evlist->cpus = NULL;
> + evlist->user_requested_cpus = NULL;
> evlist->all_cpus = NULL;
> evlist->threads = NULL;
> fdarray__exit(&evlist->pollfd);
> @@ -155,9 +155,9 @@ void perf_evlist__set_maps(struct perf_evlist *evlist,
> * original reference count of 1. If that is not the case it is up to
> * the caller to increase the reference count.
> */
> - if (cpus != evlist->cpus) {
> - perf_cpu_map__put(evlist->cpus);
> - evlist->cpus = perf_cpu_map__get(cpus);
> + if (cpus != evlist->user_requested_cpus) {
> + perf_cpu_map__put(evlist->user_requested_cpus);
> + evlist->user_requested_cpus = perf_cpu_map__get(cpus);
> }
>
> if (threads != evlist->threads) {
> @@ -294,7 +294,7 @@ int perf_evlist__id_add_fd(struct perf_evlist *evlist,
>
> int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
> {
> - int nr_cpus = perf_cpu_map__nr(evlist->cpus);
> + int nr_cpus = perf_cpu_map__nr(evlist->user_requested_cpus);
> int nr_threads = perf_thread_map__nr(evlist->threads);
> int nfds = 0;
> struct perf_evsel *evsel;
> @@ -426,7 +426,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
> int idx, struct perf_mmap_param *mp, int cpu_idx,
> int thread, int *_output, int *_output_overwrite)
> {
> - struct perf_cpu evlist_cpu = perf_cpu_map__cpu(evlist->cpus, cpu_idx);
> + struct perf_cpu evlist_cpu = perf_cpu_map__cpu(evlist->user_requested_cpus, cpu_idx);
> struct perf_evsel *evsel;
> int revent;
>
> @@ -536,7 +536,7 @@ mmap_per_cpu(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
> struct perf_mmap_param *mp)
> {
> int nr_threads = perf_thread_map__nr(evlist->threads);
> - int nr_cpus = perf_cpu_map__nr(evlist->cpus);
> + int nr_cpus = perf_cpu_map__nr(evlist->user_requested_cpus);
> int cpu, thread;
>
> for (cpu = 0; cpu < nr_cpus; cpu++) {
> @@ -564,8 +564,8 @@ static int perf_evlist__nr_mmaps(struct perf_evlist *evlist)
> {
> int nr_mmaps;
>
> - nr_mmaps = perf_cpu_map__nr(evlist->cpus);
> - if (perf_cpu_map__empty(evlist->cpus))
> + nr_mmaps = perf_cpu_map__nr(evlist->user_requested_cpus);
> + if (perf_cpu_map__empty(evlist->user_requested_cpus))
> nr_mmaps = perf_thread_map__nr(evlist->threads);
>
> return nr_mmaps;
> @@ -576,7 +576,7 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
> struct perf_mmap_param *mp)
> {
> struct perf_evsel *evsel;
> - const struct perf_cpu_map *cpus = evlist->cpus;
> + const struct perf_cpu_map *cpus = evlist->user_requested_cpus;
> const struct perf_thread_map *threads = evlist->threads;
>
> if (!ops || !ops->get || !ops->mmap)
> diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h
> index 4cefade540bd..e3e64f37db7b 100644
> --- a/tools/lib/perf/include/internal/evlist.h
> +++ b/tools/lib/perf/include/internal/evlist.h
> @@ -19,7 +19,12 @@ struct perf_evlist {
> int nr_entries;
> int nr_groups;
> bool has_user_cpus;
> - struct perf_cpu_map *cpus;
> + /**
> + * The cpus passed from the command line or all online CPUs by
> + * default.
> + */
> + struct perf_cpu_map *user_requested_cpus;
> + /** The union of all evsel cpu maps. */
> struct perf_cpu_map *all_cpus;
> struct perf_thread_map *threads;
> int nr_mmaps;
> diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
> index cbc555245959..11c71aa219f7 100644
> --- a/tools/perf/arch/arm/util/cs-etm.c
> +++ b/tools/perf/arch/arm/util/cs-etm.c
> @@ -199,7 +199,7 @@ static int cs_etm_set_option(struct auxtrace_record *itr,
> struct evsel *evsel, u32 option)
> {
> int i, err = -EINVAL;
> - struct perf_cpu_map *event_cpus = evsel->evlist->core.cpus;
> + struct perf_cpu_map *event_cpus = evsel->evlist->core.user_requested_cpus;
> struct perf_cpu_map *online_cpus = perf_cpu_map__new(NULL);
>
> /* Set option of each CPU we have */
> @@ -299,7 +299,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
> container_of(itr, struct cs_etm_recording, itr);
> struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
> struct evsel *evsel, *cs_etm_evsel = NULL;
> - struct perf_cpu_map *cpus = evlist->core.cpus;
> + struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
> bool privileged = perf_event_paranoid_check(-1);
> int err = 0;
>
> @@ -522,7 +522,7 @@ cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused,
> {
> int i;
> int etmv3 = 0, etmv4 = 0, ete = 0;
> - struct perf_cpu_map *event_cpus = evlist->core.cpus;
> + struct perf_cpu_map *event_cpus = evlist->core.user_requested_cpus;
> struct perf_cpu_map *online_cpus = perf_cpu_map__new(NULL);
>
> /* cpu map is not empty, we have specific CPUs to work with */
> @@ -713,7 +713,7 @@ static int cs_etm_info_fill(struct auxtrace_record *itr,
> u32 offset;
> u64 nr_cpu, type;
> struct perf_cpu_map *cpu_map;
> - struct perf_cpu_map *event_cpus = session->evlist->core.cpus;
> + struct perf_cpu_map *event_cpus = session->evlist->core.user_requested_cpus;
> struct perf_cpu_map *online_cpus = perf_cpu_map__new(NULL);
> struct cs_etm_recording *ptr =
> container_of(itr, struct cs_etm_recording, itr);
> diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
> index 5860bbaea95a..86e2e926aa0e 100644
> --- a/tools/perf/arch/arm64/util/arm-spe.c
> +++ b/tools/perf/arch/arm64/util/arm-spe.c
> @@ -144,7 +144,7 @@ static int arm_spe_recording_options(struct auxtrace_record *itr,
> container_of(itr, struct arm_spe_recording, itr);
> struct perf_pmu *arm_spe_pmu = sper->arm_spe_pmu;
> struct evsel *evsel, *arm_spe_evsel = NULL;
> - struct perf_cpu_map *cpus = evlist->core.cpus;
> + struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
> bool privileged = perf_event_paranoid_check(-1);
> struct evsel *tracking_evsel;
> int err;
> diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
> index 4a76d49d25d6..d68a0f48e41e 100644
> --- a/tools/perf/arch/x86/util/intel-bts.c
> +++ b/tools/perf/arch/x86/util/intel-bts.c
> @@ -110,7 +110,7 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
> container_of(itr, struct intel_bts_recording, itr);
> struct perf_pmu *intel_bts_pmu = btsr->intel_bts_pmu;
> struct evsel *evsel, *intel_bts_evsel = NULL;
> - const struct perf_cpu_map *cpus = evlist->core.cpus;
> + const struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
> bool privileged = perf_event_paranoid_check(-1);
>
> if (opts->auxtrace_sample_mode) {
> diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
> index 8c31578d6f4a..38ec2666ec12 100644
> --- a/tools/perf/arch/x86/util/intel-pt.c
> +++ b/tools/perf/arch/x86/util/intel-pt.c
> @@ -382,7 +382,7 @@ static int intel_pt_info_fill(struct auxtrace_record *itr,
> ui__warning("Intel Processor Trace: TSC not available\n");
> }
>
> - per_cpu_mmaps = !perf_cpu_map__empty(session->evlist->core.cpus);
> + per_cpu_mmaps = !perf_cpu_map__empty(session->evlist->core.user_requested_cpus);
>
> auxtrace_info->type = PERF_AUXTRACE_INTEL_PT;
> auxtrace_info->priv[INTEL_PT_PMU_TYPE] = intel_pt_pmu->type;
> @@ -632,7 +632,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
> struct perf_pmu *intel_pt_pmu = ptr->intel_pt_pmu;
> bool have_timing_info, need_immediate = false;
> struct evsel *evsel, *intel_pt_evsel = NULL;
> - const struct perf_cpu_map *cpus = evlist->core.cpus;
> + const struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
> bool privileged = perf_event_paranoid_check(-1);
> u64 tsc_bit;
> int err;
> diff --git a/tools/perf/bench/evlist-open-close.c b/tools/perf/bench/evlist-open-close.c
> index de56601f69ee..5a27691469ed 100644
> --- a/tools/perf/bench/evlist-open-close.c
> +++ b/tools/perf/bench/evlist-open-close.c
> @@ -151,7 +151,7 @@ static int bench_evlist_open_close__run(char *evstr)
>
> init_stats(&time_stats);
>
> - printf(" Number of cpus:\t%d\n", perf_cpu_map__nr(evlist->core.cpus));
> + printf(" Number of cpus:\t%d\n", perf_cpu_map__nr(evlist->core.user_requested_cpus));
> printf(" Number of threads:\t%d\n", evlist->core.threads->nr);
> printf(" Number of events:\t%d (%d fds)\n",
> evlist->core.nr_entries, evlist__count_evsel_fds(evlist));
> diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
> index ad9ce1bfffa1..7de07bb16d23 100644
> --- a/tools/perf/builtin-ftrace.c
> +++ b/tools/perf/builtin-ftrace.c
> @@ -301,7 +301,7 @@ static int set_tracing_cpumask(struct perf_cpu_map *cpumap)
>
> static int set_tracing_cpu(struct perf_ftrace *ftrace)
> {
> - struct perf_cpu_map *cpumap = ftrace->evlist->core.cpus;
> + struct perf_cpu_map *cpumap = ftrace->evlist->core.user_requested_cpus;
>
> if (!target__has_cpu(&ftrace->target))
> return 0;
> diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
> index 0b4abed555d8..ba74fab02e62 100644
> --- a/tools/perf/builtin-record.c
> +++ b/tools/perf/builtin-record.c
> @@ -987,7 +987,7 @@ static int record__thread_data_init_maps(struct record_thread *thread_data, stru
> int m, tm, nr_mmaps = evlist->core.nr_mmaps;
> struct mmap *mmap = evlist->mmap;
> struct mmap *overwrite_mmap = evlist->overwrite_mmap;
> - struct perf_cpu_map *cpus = evlist->core.cpus;
> + struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
>
> thread_data->nr_mmaps = bitmap_weight(thread_data->mask->maps.bits,
> thread_data->mask->maps.nbits);
> @@ -1881,7 +1881,7 @@ static int record__synthesize(struct record *rec, bool tail)
> return err;
> }
>
> - err = perf_event__synthesize_cpu_map(&rec->tool, rec->evlist->core.cpus,
> + err = perf_event__synthesize_cpu_map(&rec->tool, rec->evlist->core.user_requested_cpus,
> process_synthesized_event, NULL);
> if (err < 0) {
> pr_err("Couldn't synthesize cpu map.\n");
> @@ -3675,7 +3675,7 @@ static int record__init_thread_default_masks(struct record *rec, struct perf_cpu
> static int record__init_thread_masks(struct record *rec)
> {
> int ret = 0;
> - struct perf_cpu_map *cpus = rec->evlist->core.cpus;
> + struct perf_cpu_map *cpus = rec->evlist->core.user_requested_cpus;
>
> if (!record__threads_enabled(rec))
> return record__init_thread_default_masks(rec, cpus);
> diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
> index b81ae5053218..a96f106dc93a 100644
> --- a/tools/perf/builtin-stat.c
> +++ b/tools/perf/builtin-stat.c
> @@ -804,7 +804,7 @@ static int __run_perf_stat(int argc, const char **argv, int run_idx)
> if (group)
> evlist__set_leader(evsel_list);
>
> - if (!cpu_map__is_dummy(evsel_list->core.cpus)) {
> + if (!cpu_map__is_dummy(evsel_list->core.user_requested_cpus)) {
> if (affinity__setup(&saved_affinity) < 0)
> return -1;
> affinity = &saved_affinity;
> @@ -1458,7 +1458,7 @@ static int perf_stat_init_aggr_mode(void)
> aggr_cpu_id_get_t get_id = aggr_mode__get_aggr(stat_config.aggr_mode);
>
> if (get_id) {
> - stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.cpus,
> + stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.user_requested_cpus,
> get_id, /*data=*/NULL);
> if (!stat_config.aggr_map) {
> pr_err("cannot build %s map", aggr_mode__string[stat_config.aggr_mode]);
> @@ -1472,8 +1472,8 @@ static int perf_stat_init_aggr_mode(void)
> * taking the highest cpu number to be the size of
> * the aggregation translate cpumap.
> */
> - if (evsel_list->core.cpus)
> - nr = perf_cpu_map__max(evsel_list->core.cpus).cpu;
> + if (evsel_list->core.user_requested_cpus)
> + nr = perf_cpu_map__max(evsel_list->core.user_requested_cpus).cpu;
> else
> nr = 0;
> stat_config.cpus_aggr_map = cpu_aggr_map__empty_new(nr + 1);
> @@ -1630,7 +1630,7 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st)
> if (!get_id)
> return 0;
>
> - stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.cpus, get_id, env);
> + stat_config.aggr_map = cpu_aggr_map__new(evsel_list->core.user_requested_cpus, get_id, env);
> if (!stat_config.aggr_map) {
> pr_err("cannot build %s map", aggr_mode__string[stat_config.aggr_mode]);
> return -1;
> diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
> index 9b08e44a31d9..fd8fd913c533 100644
> --- a/tools/perf/builtin-top.c
> +++ b/tools/perf/builtin-top.c
> @@ -1021,7 +1021,7 @@ static int perf_top__start_counters(struct perf_top *top)
>
> evlist__for_each_entry(evlist, counter) {
> try_again:
> - if (evsel__open(counter, top->evlist->core.cpus,
> + if (evsel__open(counter, top->evlist->core.user_requested_cpus,
> top->evlist->core.threads) < 0) {
>
> /*
> diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
> index 9e48652662d4..df1c5bbbaa0d 100644
> --- a/tools/perf/util/auxtrace.c
> +++ b/tools/perf/util/auxtrace.c
> @@ -174,7 +174,7 @@ void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
> mp->idx = idx;
>
> if (per_cpu) {
> - mp->cpu = perf_cpu_map__cpu(evlist->core.cpus, idx);
> + mp->cpu = perf_cpu_map__cpu(evlist->core.user_requested_cpus, idx);
> if (evlist->core.threads)
> mp->tid = perf_thread_map__pid(evlist->core.threads, 0);
> else
> diff --git a/tools/perf/util/bpf_ftrace.c b/tools/perf/util/bpf_ftrace.c
> index 4f4d3aaff37c..7a4297d8fd2c 100644
> --- a/tools/perf/util/bpf_ftrace.c
> +++ b/tools/perf/util/bpf_ftrace.c
> @@ -38,7 +38,7 @@ int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace)
>
> /* don't need to set cpu filter for system-wide mode */
> if (ftrace->target.cpu_list) {
> - ncpus = perf_cpu_map__nr(ftrace->evlist->core.cpus);
> + ncpus = perf_cpu_map__nr(ftrace->evlist->core.user_requested_cpus);
> bpf_map__set_max_entries(skel->maps.cpu_filter, ncpus);
> }
>
> @@ -63,7 +63,7 @@ int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace)
> fd = bpf_map__fd(skel->maps.cpu_filter);
>
> for (i = 0; i < ncpus; i++) {
> - cpu = perf_cpu_map__cpu(ftrace->evlist->core.cpus, i).cpu;
> + cpu = perf_cpu_map__cpu(ftrace->evlist->core.user_requested_cpus, i).cpu;
> bpf_map_update_elem(fd, &cpu, &val, BPF_ANY);
> }
> }
> diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
> index 9bb79e049957..cb2cf4463c08 100644
> --- a/tools/perf/util/evlist.c
> +++ b/tools/perf/util/evlist.c
> @@ -440,7 +440,7 @@ static void __evlist__disable(struct evlist *evlist, char *evsel_name)
> bool has_imm = false;
>
> // See explanation in evlist__close()
> - if (!cpu_map__is_dummy(evlist->core.cpus)) {
> + if (!cpu_map__is_dummy(evlist->core.user_requested_cpus)) {
> if (affinity__setup(&saved_affinity) < 0)
> return;
> affinity = &saved_affinity;
> @@ -500,7 +500,7 @@ static void __evlist__enable(struct evlist *evlist, char *evsel_name)
> struct affinity saved_affinity, *affinity = NULL;
>
> // See explanation in evlist__close()
> - if (!cpu_map__is_dummy(evlist->core.cpus)) {
> + if (!cpu_map__is_dummy(evlist->core.user_requested_cpus)) {
> if (affinity__setup(&saved_affinity) < 0)
> return;
> affinity = &saved_affinity;
> @@ -565,7 +565,7 @@ static int evlist__enable_event_cpu(struct evlist *evlist, struct evsel *evsel,
> static int evlist__enable_event_thread(struct evlist *evlist, struct evsel *evsel, int thread)
> {
> int cpu;
> - int nr_cpus = perf_cpu_map__nr(evlist->core.cpus);
> + int nr_cpus = perf_cpu_map__nr(evlist->core.user_requested_cpus);
>
> if (!evsel->core.fd)
> return -EINVAL;
> @@ -580,7 +580,7 @@ static int evlist__enable_event_thread(struct evlist *evlist, struct evsel *evse
>
> int evlist__enable_event_idx(struct evlist *evlist, struct evsel *evsel, int idx)
> {
> - bool per_cpu_mmaps = !perf_cpu_map__empty(evlist->core.cpus);
> + bool per_cpu_mmaps = !perf_cpu_map__empty(evlist->core.user_requested_cpus);
>
> if (per_cpu_mmaps)
> return evlist__enable_event_cpu(evlist, evsel, idx);
> @@ -1301,10 +1301,11 @@ void evlist__close(struct evlist *evlist)
> struct affinity affinity;
>
> /*
> - * With perf record core.cpus is usually NULL.
> + * With perf record core.user_requested_cpus is usually NULL.
> * Use the old method to handle this for now.
> */
> - if (!evlist->core.cpus || cpu_map__is_dummy(evlist->core.cpus)) {
> + if (!evlist->core.user_requested_cpus ||
> + cpu_map__is_dummy(evlist->core.user_requested_cpus)) {
> evlist__for_each_entry_reverse(evlist, evsel)
> evsel__close(evsel);
> return;
> @@ -1367,7 +1368,7 @@ int evlist__open(struct evlist *evlist)
> * Default: one fd per CPU, all threads, aka systemwide
> * as sys_perf_event_open(cpu = -1, thread = -1) is EINVAL
> */
> - if (evlist->core.threads == NULL && evlist->core.cpus == NULL) {
> + if (evlist->core.threads == NULL && evlist->core.user_requested_cpus == NULL) {
> err = evlist__create_syswide_maps(evlist);
> if (err < 0)
> goto out_err;
> diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
> index 007a64681416..5b09ecbb05dc 100644
> --- a/tools/perf/util/record.c
> +++ b/tools/perf/util/record.c
> @@ -106,7 +106,7 @@ void evlist__config(struct evlist *evlist, struct record_opts *opts, struct call
> if (opts->group)
> evlist__set_leader(evlist);
>
> - if (perf_cpu_map__cpu(evlist->core.cpus, 0).cpu < 0)
> + if (perf_cpu_map__cpu(evlist->core.user_requested_cpus, 0).cpu < 0)
> opts->no_inherit = true;
>
> use_comm_exec = perf_can_comm_exec();
> @@ -244,7 +244,7 @@ bool evlist__can_select_event(struct evlist *evlist, const char *str)
>
> evsel = evlist__last(temp_evlist);
>
> - if (!evlist || perf_cpu_map__empty(evlist->core.cpus)) {
> + if (!evlist || perf_cpu_map__empty(evlist->core.user_requested_cpus)) {
> struct perf_cpu_map *cpus = perf_cpu_map__new(NULL);
>
> if (cpus)
> @@ -252,7 +252,7 @@ bool evlist__can_select_event(struct evlist *evlist, const char *str)
>
> perf_cpu_map__put(cpus);
> } else {
> - cpu = perf_cpu_map__cpu(evlist->core.cpus, 0);
> + cpu = perf_cpu_map__cpu(evlist->core.user_requested_cpus, 0);
> }
>
> while (1) {
> diff --git a/tools/perf/util/sideband_evlist.c b/tools/perf/util/sideband_evlist.c
> index 748371ac22be..388846f17bc1 100644
> --- a/tools/perf/util/sideband_evlist.c
> +++ b/tools/perf/util/sideband_evlist.c
> @@ -114,7 +114,8 @@ int evlist__start_sb_thread(struct evlist *evlist, struct target *target)
> }
>
> evlist__for_each_entry(evlist, counter) {
> - if (evsel__open(counter, evlist->core.cpus, evlist->core.threads) < 0)
> + if (evsel__open(counter, evlist->core.user_requested_cpus,
> + evlist->core.threads) < 0)
> goto out_delete_evlist;
> }
>
> diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
> index 9cbe351b141f..138e3ab9d638 100644
> --- a/tools/perf/util/stat-display.c
> +++ b/tools/perf/util/stat-display.c
> @@ -929,7 +929,7 @@ static void print_no_aggr_metric(struct perf_stat_config *config,
> int all_idx;
> struct perf_cpu cpu;
>
> - perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.cpus) {
> + perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) {
> struct evsel *counter;
> bool first = true;
>
> diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
> index b654de0841f8..27acdc5e5723 100644
> --- a/tools/perf/util/synthetic-events.c
> +++ b/tools/perf/util/synthetic-events.c
> @@ -2127,7 +2127,7 @@ int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct p
> return err;
> }
>
> - err = perf_event__synthesize_cpu_map(tool, evlist->core.cpus, process, NULL);
> + err = perf_event__synthesize_cpu_map(tool, evlist->core.user_requested_cpus, process, NULL);
> if (err < 0) {
> pr_err("Couldn't synthesize thread map.\n");
> return err;
> diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c
> index c1ebfc5d2e0c..b8b32431d2f7 100644
> --- a/tools/perf/util/top.c
> +++ b/tools/perf/util/top.c
> @@ -95,15 +95,17 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
>
> if (target->cpu_list)
> ret += SNPRINTF(bf + ret, size - ret, ", CPU%s: %s)",
> - perf_cpu_map__nr(top->evlist->core.cpus) > 1 ? "s" : "",
> + perf_cpu_map__nr(top->evlist->core.user_requested_cpus) > 1
> + ? "s" : "",
> target->cpu_list);
> else {
> if (target->tid)
> ret += SNPRINTF(bf + ret, size - ret, ")");
> else
> ret += SNPRINTF(bf + ret, size - ret, ", %d CPU%s)",
> - perf_cpu_map__nr(top->evlist->core.cpus),
> - perf_cpu_map__nr(top->evlist->core.cpus) > 1 ? "s" : "");
> + perf_cpu_map__nr(top->evlist->core.user_requested_cpus),
> + perf_cpu_map__nr(top->evlist->core.user_requested_cpus) > 1
> + ? "s" : "");
> }
>
> perf_top__reset_sample_counters(top);
> --
> 2.35.1.1021.g381101b075-goog
--
- Arnaldo
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