diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/header.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/header.h | 16 |
2 files changed, 13 insertions, 5 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index eefb052190f3..f558f83769af 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2480,6 +2480,7 @@ static int check_magic_endian(u64 magic, uint64_t hdr_sz, /* check for legacy format */ ret = memcmp(&magic, __perf_magic1, sizeof(magic)); if (ret == 0) { + ph->version = PERF_HEADER_VERSION_1; pr_debug("legacy perf.data format\n"); if (is_pipe) return try_all_pipe_abis(hdr_sz, ph); @@ -2501,6 +2502,7 @@ static int check_magic_endian(u64 magic, uint64_t hdr_sz, return -1; ph->needs_swap = true; + ph->version = PERF_HEADER_VERSION_2; return 0; } diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index e6387dcb95c0..307c9aed972e 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -34,6 +34,11 @@ enum { HEADER_FEAT_BITS = 256, }; +enum perf_header_version { + PERF_HEADER_VERSION_1, + PERF_HEADER_VERSION_2, +}; + struct perf_file_section { u64 offset; u64 size; @@ -85,12 +90,13 @@ struct perf_session_env { }; struct perf_header { - bool needs_swap; - u64 data_offset; - u64 data_size; - u64 feat_offset; + enum perf_header_version version; + bool needs_swap; + u64 data_offset; + u64 data_size; + u64 feat_offset; DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS); - struct perf_session_env env; + struct perf_session_env env; }; struct perf_evlist; |