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Commit e8be1357 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20190308134745.5057-4-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent cd3dd8dd

tools/perf/util/data.c

+20 −0
Original line number Diff line number Diff line
@@ -124,6 +124,26 @@ int perf_data__open_dir(struct perf_data *data) 
	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;

tools/perf/util/data.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */