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, 21 insertions, 0 deletions

diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 0358882c8910..3ce0498bdae6 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -142,3 +142,24 @@ int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp)
 
         return 0;
 }
+
+void thread__find_cpumode_addr_location(struct thread *thread,
+                                        struct machine *machine,
+                                        enum map_type type, u64 addr,
+                                        struct addr_location *al)
+{
+        size_t i;
+        const u8 const cpumodes[] = {
+                PERF_RECORD_MISC_USER,
+                PERF_RECORD_MISC_KERNEL,
+                PERF_RECORD_MISC_GUEST_USER,
+                PERF_RECORD_MISC_GUEST_KERNEL
+        };
+
+        for (i = 0; i < ARRAY_SIZE(cpumodes); i++) {
+                thread__find_addr_location(thread, machine, cpumodes[i], type,
+                                           addr, al);
+                if (al->map)
+                        break;
+        }
+}