diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2019-07-21 13:24:48 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-07-29 18:34:46 -0300 |
| commit | b8eca4d761c57fcf691a8063cd562f205645d11f (patch) | |
| tree | ec0bd61237fe3b65ae5ace40acfd45da15934a26 /tools/perf | |
| parent | c03538b1f1a7e0e996a8d6feb20cf001d4b14939 (diff) | |
libperf: Adopt perf_evsel__alloc_fd() function from tools/perf
Move the perf_evsel__alloc_fd() function from perf to libperf.
It's not exported.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@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/20190721112506.12306-62-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/lib/evsel.c | 21 | ||||
| -rw-r--r-- | tools/perf/lib/include/internal/evsel.h | 2 | ||||
| -rw-r--r-- | tools/perf/util/evsel.c | 18 |
3 files changed, 24 insertions, 17 deletions
diff --git a/tools/perf/lib/evsel.c b/tools/perf/lib/evsel.c index ddc3ad447bfb..027f1edb4e8e 100644 --- a/tools/perf/lib/evsel.c +++ b/tools/perf/lib/evsel.c @@ -1,9 +1,12 @@ // SPDX-License-Identifier: GPL-2.0 +#include <errno.h> #include <perf/evsel.h> #include <linux/list.h> #include <internal/evsel.h> #include <linux/zalloc.h> #include <stdlib.h> +#include <internal/xyarray.h> +#include <linux/string.h> void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr) { @@ -25,3 +28,21 @@ void perf_evsel__delete(struct perf_evsel *evsel) { free(evsel); } + +#define FD(e, x, y) (*(int *) xyarray__entry(e->fd, x, y)) + +int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) +{ + evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int)); + + if (evsel->fd) { + int cpu, thread; + for (cpu = 0; cpu < ncpus; cpu++) { + for (thread = 0; thread < nthreads; thread++) { + FD(evsel, cpu, thread) = -1; + } + } + } + + return evsel->fd != NULL ? 0 : -ENOMEM; +} diff --git a/tools/perf/lib/include/internal/evsel.h b/tools/perf/lib/include/internal/evsel.h index 29eca9576546..3cb9a0f5f32e 100644 --- a/tools/perf/lib/include/internal/evsel.h +++ b/tools/perf/lib/include/internal/evsel.h @@ -20,4 +20,6 @@ struct perf_evsel { int nr_members; }; +int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); + #endif /* __LIBPERF_INTERNAL_EVSEL_H */ diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 8b9a00598677..d3c8488f7069 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1153,22 +1153,6 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts, perf_evsel__reset_sample_bit(evsel, BRANCH_STACK); } -static int perf_evsel__alloc_fd(struct evsel *evsel, int ncpus, int nthreads) -{ - evsel->core.fd = xyarray__new(ncpus, nthreads, sizeof(int)); - - if (evsel->core.fd) { - int cpu, thread; - for (cpu = 0; cpu < ncpus; cpu++) { - for (thread = 0; thread < nthreads; thread++) { - FD(evsel, cpu, thread) = -1; - } - } - } - - return evsel->core.fd != NULL ? 0 : -ENOMEM; -} - static int perf_evsel__run_ioctl(struct evsel *evsel, int ioc, void *arg) { @@ -1866,7 +1850,7 @@ int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus, nthreads = threads->nr; if (evsel->core.fd == NULL && - perf_evsel__alloc_fd(evsel, cpus->nr, nthreads) < 0) + perf_evsel__alloc_fd(&evsel->core, cpus->nr, nthreads) < 0) return -ENOMEM; if (evsel->cgrp) { |