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perf data: Add perf_data__update_dir() function

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Add perf_data__update_dir() to update the size for every file within the
perf.data directory.

Signed-off-by: Jiri Olsa <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Alexey Budankov <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Jiri Olsa authored and Arnaldo Carvalho de Melo committed 2019-03-11 11:56:03 -03:00
1 parent cd3dd8dd8f
commit e8be135751
2 files changed
+21
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tools/perf/util/data.c
+20
View File
@@ -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;
tools/perf/util/data.h
+1
View File
@@ -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 */