Commit-ID: e8be135751f26aa5de63e517d375ecf69e9b20c3
Gitweb: https://git.kernel.org/tip/e8be135751f26aa5de63e517d375ecf69e9b20c3
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Fri, 8 Mar 2019 14:47:37 +0100
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 11 Mar 2019 11:56:03 -0300
perf data: Add perf_data__update_dir() function
Add perf_data__update_dir() to update the size for every file within the
perf.data directory.
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Alexey Budankov <alexey.budankov@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20190308134745.5057-4-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/data.c | 20 ++++++++++++++++++++
tools/perf/util/data.h | 1 +
2 files changed, 21 insertions(+)
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 18fa8d4614eb..5d0f26aef77f 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -124,6 +124,26 @@ out_err:
return ret;
}
+int perf_data__update_dir(struct perf_data *data)
+{
+ int i;
+
+ if (WARN_ON(!data->is_dir))
+ return -EINVAL;
+
+ for (i = 0; i < data->dir.nr; i++) {
+ struct perf_data_file *file = &data->dir.files[i];
+ struct stat st;
+
+ if (fstat(file->fd, &st))
+ return -1;
+
+ file->size = st.st_size;
+ }
+
+ return 0;
+}
+
static bool check_pipe(struct perf_data *data)
{
struct stat st;
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h
index 06aefeda311f..0deeb1af9f54 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -79,4 +79,5 @@ int perf_data__switch(struct perf_data *data,
int perf_data__create_dir(struct perf_data *data, int nr);
int perf_data__open_dir(struct perf_data *data);
void perf_data__close_dir(struct perf_data *data);
+int perf_data__update_dir(struct perf_data *data);
#endif /* __PERF_DATA_H */
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