[PATCH v2 03/15] perf data: open data directory in read access mode

Alexey Budankov
2020-10-21T15:57:59Z

Open files located at trace data directory in case read access
mode is requested. File are opened and its fds assigned to
perf_data dir files especially for loading data directories
content in perf report mode.

Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
---
tools/perf/util/data.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index c47aa34fdc0a..6ad61ac6ba67 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -321,6 +321,10 @@ static int open_dir(struct perf_data *data)
return -1;

ret = open_file(data);
+ if (!ret && perf_data__is_dir(data)) {
+ if (perf_data__is_read(data))
+ ret = perf_data__open_dir(data);
+ }

/* Cleanup whatever we managed to create so far. */
if (ret && perf_data__is_write(data))
--
2.24.1