Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo:

User visible:

  * Add several futex 'perf bench' microbenchmarks (Davidlohr Bueso)

  * Speed up thread map generation (Don Zickus)

  * Fix synthesizing mmaps for threads (Don Zickus)

  * Fix invalid output on event group stdio report  (Namhyung Kim)

  * Introduce 'perf kvm --list-cmds' command line option for use by
    scripts (Ramkumar Ramachandra)

Documentation:

  * Clarify load-latency information in the 'perf mem' docs (Andi Kleen)

  * Clarify x86 register naming in 'perf probe' docs (Andi Kleen)

Refactorings:

  * hists browser refactorings to reuse code accross UIs (Namhyung Kim)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 11 insertions, 1 deletions

diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index e47f90cc7b98..f600b74216da 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -12,6 +12,7 @@
  *  sched ... scheduler and IPC performance
  *  mem   ... memory access performance
  *  numa  ... NUMA scheduling and MM performance
+ *  futex ... Futex performance
  */
 #include "perf.h"
 #include "util/util.h"
@@ -54,6 +55,14 @@ static struct bench mem_benchmarks[] = {
         { NULL,         NULL,                                           NULL                    }
 };
 
+static struct bench futex_benchmarks[] = {
+        { "hash",       "Benchmark for futex hash table",               bench_futex_hash        },
+        { "wake",       "Benchmark for futex wake calls",               bench_futex_wake        },
+        { "requeue",    "Benchmark for futex requeue calls",            bench_futex_requeue     },
+        { "all",        "Test all futex benchmarks",                    NULL                    },
+        { NULL,         NULL,                                           NULL                    }
+};
+
 struct collection {
         const char      *name;
         const char      *summary;
@@ -61,11 +70,12 @@ struct collection {
 };
 
 static struct collection collections[] = {
-        { "sched",      "Scheduler and IPC benchmarks",         sched_benchmarks        },
+        { "sched",      "Scheduler and IPC benchmarks",                 sched_benchmarks        },
         { "mem",        "Memory access benchmarks",                     mem_benchmarks          },
 #ifdef HAVE_LIBNUMA_SUPPORT
         { "numa",       "NUMA scheduling and MM benchmarks",            numa_benchmarks         },
 #endif
+        {"futex",       "Futex stressing benchmarks",                   futex_benchmarks        },
         { "all",        "All benchmarks",                               NULL                    },
         { NULL,         NULL,                                           NULL                    }
 };