diff options
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf.data-file-format.txt | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt index 600999f89c6d..6375e6fb8bac 100644 --- a/tools/perf/Documentation/perf.data-file-format.txt +++ b/tools/perf/Documentation/perf.data-file-format.txt @@ -302,6 +302,23 @@ One uint64_t for the clockid frequency, specified, for instance, via 'perf record -k' (see clock_gettime()), to enable timestamps derived metrics conversion into wall clock time on the reporting stage. + HEADER_DIR_FORMAT = 24, + +The data files layout is described by HEADER_DIR_FORMAT feature. Currently it +holds only version number (1): + + uint64_t version; + +The current version holds only version value (1) means that data files: + +- Follow the 'data.*' name format. + +- Contain raw events data in standard perf format as read from kernel (and need + to be sorted) + +Future versions are expected to describe different data files layout according +to special needs. + HEADER_BPF_PROG_INFO = 25, struct bpf_prog_info_linear, which contains detailed information about |