diff options
Diffstat (limited to 'tools/perf/util/data.h')
| -rw-r--r-- | tools/perf/util/data.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h index 2b15d0c95..ae510ce16 100644 --- a/tools/perf/util/data.h +++ b/tools/perf/util/data.h @@ -46,5 +46,14 @@ int perf_data_file__open(struct perf_data_file *file); void perf_data_file__close(struct perf_data_file *file); ssize_t perf_data_file__write(struct perf_data_file *file, void *buf, size_t size); - +/* + * If at_exit is set, only rename current perf.data to + * perf.data.<postfix>, continue write on original file. + * Set at_exit when flushing the last output. + * + * Return value is fd of new output. + */ +int perf_data_file__switch(struct perf_data_file *file, + const char *postfix, + size_t pos, bool at_exit); #endif /* __PERF_DATA_H */ |