From: Jiri Olsa <jo...@kernel.org> Add perf_evsel__close() function to libperf while keeping a tools/perf specific evsel__close() to free ids.
Signed-off-by: Jiri Olsa <jo...@kernel.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Alexey Budankov <alexey.budan...@linux.intel.com> Cc: Andi Kleen <a...@linux.intel.com> Cc: Michael Petlan <mpet...@redhat.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-64-jo...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-trace.c | 2 +- tools/perf/lib/evsel.c | 26 +++++++++++++++++++++ tools/perf/lib/include/internal/evsel.h | 2 ++ tools/perf/lib/include/perf/evsel.h | 1 + tools/perf/lib/libperf.map | 1 + tools/perf/tests/openat-syscall-all-cpus.c | 2 +- tools/perf/tests/openat-syscall.c | 2 +- tools/perf/util/evlist.c | 5 ++-- tools/perf/util/evsel.c | 27 +++------------------- tools/perf/util/evsel.h | 3 +-- 10 files changed, 40 insertions(+), 31 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 35f3684f5327..75eb3811e942 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2401,7 +2401,7 @@ static int trace__event_handler(struct trace *trace, struct evsel *evsel, if (evsel->max_events != ULONG_MAX && ++evsel->nr_events_printed == evsel->max_events) { evsel__disable(evsel); - perf_evsel__close(evsel); + evsel__close(evsel); } } } diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c index 7027dacb50f6..50f09e939229 100644 --- a/tools/perf/lib/evsel.c +++ b/tools/perf/lib/evsel.c @@ -111,3 +111,29 @@ int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus, return err; } + +void perf_evsel__close_fd(struct perf_evsel *evsel) +{ + int cpu, thread; + + for (cpu = 0; cpu < xyarray__max_x(evsel->fd); cpu++) + for (thread = 0; thread < xyarray__max_y(evsel->fd); ++thread) { + close(FD(evsel, cpu, thread)); + FD(evsel, cpu, thread) = -1; + } +} + +void perf_evsel__free_fd(struct perf_evsel *evsel) +{ + xyarray__delete(evsel->fd); + evsel->fd = NULL; +} + +void perf_evsel__close(struct perf_evsel *evsel) +{ + if (evsel->fd == NULL) + return; + + perf_evsel__close_fd(evsel); + perf_evsel__free_fd(evsel); +} diff --git a/tools/perf/lib/include/internal/evsel.h b/tools/perf/lib/include/internal/evsel.h index 3cb9a0f5f32e..878e2cf41ffc 100644 --- a/tools/perf/lib/include/internal/evsel.h +++ b/tools/perf/lib/include/internal/evsel.h @@ -21,5 +21,7 @@ struct perf_evsel { }; int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); +void perf_evsel__close_fd(struct perf_evsel *evsel); +void perf_evsel__free_fd(struct perf_evsel *evsel); #endif /* __LIBPERF_INTERNAL_EVSEL_H */ diff --git a/tools/perf/lib/include/perf/evsel.h b/tools/perf/lib/include/perf/evsel.h index e9fbaa8fb51a..aa5c48f822d2 100644 --- a/tools/perf/lib/include/perf/evsel.h +++ b/tools/perf/lib/include/perf/evsel.h @@ -15,5 +15,6 @@ LIBPERF_API struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr); LIBPERF_API void perf_evsel__delete(struct perf_evsel *evsel); LIBPERF_API int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus, struct perf_thread_map *threads); +LIBPERF_API void perf_evsel__close(struct perf_evsel *evsel); #endif /* __LIBPERF_EVSEL_H */ diff --git a/tools/perf/lib/libperf.map b/tools/perf/lib/libperf.map index 7594d3d89c5f..0b90999dcdcb 100644 --- a/tools/perf/lib/libperf.map +++ b/tools/perf/lib/libperf.map @@ -15,6 +15,7 @@ LIBPERF_0.0.1 { perf_evsel__delete; perf_evsel__init; perf_evsel__open; + perf_evsel__close; perf_evlist__new; perf_evlist__delete; perf_evlist__init; diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index d161b1a78703..8322b6aa4047 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -116,7 +116,7 @@ int test__openat_syscall_event_on_all_cpus(struct test *test __maybe_unused, int perf_evsel__free_counts(evsel); out_close_fd: - perf_evsel__close_fd(evsel); + perf_evsel__close_fd(&evsel->core); out_evsel_delete: evsel__delete(evsel); out_cpu_map_delete: diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c index 87c212545767..f217972977e0 100644 --- a/tools/perf/tests/openat-syscall.c +++ b/tools/perf/tests/openat-syscall.c @@ -57,7 +57,7 @@ int test__openat_syscall_event(struct test *test __maybe_unused, int subtest __m err = 0; out_close_fd: - perf_evsel__close_fd(evsel); + perf_evsel__close_fd(&evsel->core); out_evsel_delete: evsel__delete(evsel); out_thread_map_delete: diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index eac4d634b9c7..c6b4883b2d49 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -34,6 +34,7 @@ #include <linux/err.h> #include <linux/zalloc.h> #include <perf/evlist.h> +#include <perf/evsel.h> #include <perf/cpumap.h> #ifdef LACKS_SIGQUEUE_PROTOTYPE @@ -1303,7 +1304,7 @@ void evlist__close(struct evlist *evlist) struct evsel *evsel; evlist__for_each_entry_reverse(evlist, evsel) - perf_evsel__close(evsel); + evsel__close(evsel); } static int perf_evlist__create_syswide_maps(struct evlist *evlist) @@ -1772,7 +1773,7 @@ struct evsel *perf_evlist__reset_weak_group(struct evlist *evsel_list, is_open = false; if (c2->leader == leader) { if (is_open) - perf_evsel__close(c2); + evsel__close(c2); c2->leader = c2; c2->core.nr_members = 0; } diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index d3c8488f7069..8d8ed36377f5 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1265,12 +1265,6 @@ int perf_evsel__alloc_id(struct evsel *evsel, int ncpus, int nthreads) return 0; } -static void perf_evsel__free_fd(struct evsel *evsel) -{ - xyarray__delete(evsel->core.fd); - evsel->core.fd = NULL; -} - static void perf_evsel__free_id(struct evsel *evsel) { xyarray__delete(evsel->sample_id); @@ -1289,23 +1283,12 @@ static void perf_evsel__free_config_terms(struct evsel *evsel) } } -void perf_evsel__close_fd(struct evsel *evsel) -{ - int cpu, thread; - - for (cpu = 0; cpu < xyarray__max_x(evsel->core.fd); cpu++) - for (thread = 0; thread < xyarray__max_y(evsel->core.fd); ++thread) { - close(FD(evsel, cpu, thread)); - FD(evsel, cpu, thread) = -1; - } -} - void perf_evsel__exit(struct evsel *evsel) { assert(list_empty(&evsel->core.node)); assert(evsel->evlist == NULL); perf_evsel__free_counts(evsel); - perf_evsel__free_fd(evsel); + perf_evsel__free_fd(&evsel->core); perf_evsel__free_id(evsel); perf_evsel__free_config_terms(evsel); cgroup__put(evsel->cgrp); @@ -2057,13 +2040,9 @@ int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus, return err; } -void perf_evsel__close(struct evsel *evsel) +void evsel__close(struct evsel *evsel) { - if (evsel->core.fd == NULL) - return; - - perf_evsel__close_fd(evsel); - perf_evsel__free_fd(evsel); + perf_evsel__close(&evsel->core); perf_evsel__free_id(evsel); } diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index afd3a5b7bcc3..03fc8edad492 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -268,7 +268,6 @@ const char *perf_evsel__group_name(struct evsel *evsel); int perf_evsel__group_desc(struct evsel *evsel, char *buf, size_t size); int perf_evsel__alloc_id(struct evsel *evsel, int ncpus, int nthreads); -void perf_evsel__close_fd(struct evsel *evsel); void __perf_evsel__set_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit); @@ -298,7 +297,7 @@ int perf_evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads); int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus, struct perf_thread_map *threads); -void perf_evsel__close(struct evsel *evsel); +void evsel__close(struct evsel *evsel); struct perf_sample; -- 2.21.0
