Merge remote-tracking branch 'torvalds/master' into perf/core

[linux-2.6-microblaze.git] / tools / perf / Documentation / perf.data-file-format.txt

diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt
index 9ee9664..e6ff8c8 100644 (file)
--- a/tools/perf/Documentation/perf.data-file-format.txt
+++ b/tools/perf/Documentation/perf.data-file-format.txt
@@ -402,6 +402,39 @@ struct {
        u64 clockid_time_ns;
 };
 
+       HEADER_HYBRID_TOPOLOGY = 30,
+
+Indicate the hybrid CPUs. The format of data is as below.
+
+struct {
+       u32 nr;
+       struct {
+               char pmu_name[];
+               char cpus[];
+       } [nr]; /* Variable length records */
+};
+
+Example:
+  hybrid cpu system:
+  cpu_core cpu list : 0-15
+  cpu_atom cpu list : 16-23
+
+       HEADER_HYBRID_CPU_PMU_CAPS = 31,
+
+       A list of hybrid CPU PMU capabilities.
+
+struct {
+       u32 nr_pmu;
+       struct {
+               u32 nr_cpu_pmu_caps;
+               {
+                       char    name[];
+                       char    value[];
+               } [nr_cpu_pmu_caps];
+               char pmu_name[];
+       } [nr_pmu];
+};
+
        other bits are reserved and should ignored for now
        HEADER_FEAT_BITS        = 256,