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authorWang Nan <wangnan0@huawei.com>2016-02-26 09:32:10 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-03-03 11:10:35 -0300
commite1ab48ba63ee6b2494a67bb60bf99692ecdaca7c (patch)
tree04f443e8b9614af044cc3839ea9abcc2b7ef7f69 /tools/perf/builtin-record.c
parentc45c86eb70964615bd13b4c1e647bf9ee60c3db9 (diff)
downloadlinux-e1ab48ba63ee6b2494a67bb60bf99692ecdaca7c.tar.gz
perf record: Introduce record__finish_output() to finish a perf.data
Move code for finalizing 'perf.data' to record__finish_output(). It will be used by following commits to split output to multiple files. Signed-off-by: He Kuang <hekuang@huawei.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: He Kuang <hekuang@huawei.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Li Zefan <lizefan@huawei.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1456479154-136027-23-git-send-email-wangnan0@huawei.com Signed-off-by: Wang Nan <wangnan0@huawei.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c37
1 files changed, 25 insertions, 12 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index cb583b49a175..46e2772f838e 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -468,6 +468,29 @@ static void record__init_features(struct record *rec)
perf_header__clear_feat(&session->header, HEADER_STAT);
}
+static void
+record__finish_output(struct record *rec)
+{
+ struct perf_data_file *file = &rec->file;
+ int fd = perf_data_file__fd(file);
+
+ if (file->is_pipe)
+ return;
+
+ rec->session->header.data_size += rec->bytes_written;
+ file->size = lseek(perf_data_file__fd(file), 0, SEEK_CUR);
+
+ if (!rec->no_buildid) {
+ process_buildids(rec);
+
+ if (rec->buildid_all)
+ dsos__hit_all(rec->session);
+ }
+ perf_session__write_header(rec->session, rec->evlist, fd, true);
+
+ return;
+}
+
static volatile int workload_exec_errno;
/*
@@ -785,18 +808,8 @@ out_child:
/* this will be recalculated during process_buildids() */
rec->samples = 0;
- if (!err && !file->is_pipe) {
- rec->session->header.data_size += rec->bytes_written;
- file->size = lseek(perf_data_file__fd(file), 0, SEEK_CUR);
-
- if (!rec->no_buildid) {
- process_buildids(rec);
-
- if (rec->buildid_all)
- dsos__hit_all(rec->session);
- }
- perf_session__write_header(rec->session, rec->evlist, fd, true);
- }
+ if (!err)
+ record__finish_output(rec);
if (!err && !quiet) {
char samples[128];