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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-06-04 10:28:20 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-06-04 10:28:20 -0300 |
commit | 7869e5889477e4e32e4024d665431b35e8b7b693 (patch) | |
tree | bd1b6c00359ef7f26efc1f6b0ad9771a3d849f65 /tools/perf/Documentation | |
parent | 9aae1780e7e81e54edfb70ba33ead5b0b48be009 (diff) | |
parent | 4e9ae0d3d5bf4e2f1b466ba451bd18f2c5b69845 (diff) |
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r-- | tools/perf/Documentation/perf.data-file-format.txt | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt index d00f0d51cab8..dfb218feaad9 100644 --- a/tools/perf/Documentation/perf.data-file-format.txt +++ b/tools/perf/Documentation/perf.data-file-format.txt @@ -111,8 +111,8 @@ A perf_header_string with the CPU architecture (uname -m) A structure defining the number of CPUs. struct nr_cpus { - uint32_t nr_cpus_online; uint32_t nr_cpus_available; /* CPUs not yet onlined */ + uint32_t nr_cpus_online; }; HEADER_CPUDESC = 8, @@ -153,10 +153,18 @@ struct { HEADER_CPU_TOPOLOGY = 13, String lists defining the core and CPU threads topology. +The string lists are followed by a variable length array +which contains core_id and socket_id of each cpu. +The number of entries can be determined by the size of the +section minus the sizes of both string lists. struct { struct perf_header_string_list cores; /* Variable length */ struct perf_header_string_list threads; /* Variable length */ + struct { + uint32_t core_id; + uint32_t socket_id; + } cpus[nr]; /* Variable length records */ }; Example: |