Merge tag 'perf-core-for-mingo-5.4-20190920-2' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

perf stat:

  Srikar Dronamraju:

  - Fix a segmentation fault when using repeat forever.

  - Reset previous counts on repeat with interval.

aarch64:

  James Clark:

  - Add PMU event JSON files for Cortex-A76 and Neoverse N1.

PowerPC:

  Anju T Sudhakar:

  - Make 'trace_cycles' the default event for 'perf kvm record' in PowerPC.

S/390:

  - Link libjvmti to tools/lib/string.o to have a weak strlcpy()
    implementation, providing previously unresolved symbol on s/390.

perf test:

  Jiri Olsa:

  - Add libperf automated tests to 'make -C tools/perf build-test'.

  Colin Ian King:

  - Fix spelling mistake.

Tree wide:

  Arnaldo Carvalho de Melo:

  - Some more header file sanitization.

libperf:

  Jiri Olsa:

  - Add dependency on libperf for python.so binding.

libtraceevent:

  Sakari Ailus:

  - Convert remaining %p[fF] users to %p[sS].

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

1 files changed, 13 insertions, 2 deletions

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 0a4fcbe32bf6..6e3e36658900 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -17,9 +17,11 @@
 #include "util/debug.h"
 #include "util/tool.h"
 #include "util/stat.h"
+#include "util/synthetic-events.h"
 #include "util/top.h"
 #include "util/data.h"
 #include "util/ordered-events.h"
+#include "util/kvm-stat.h"
 #include "ui/ui.h"
 
 #include <sys/prctl.h>
@@ -58,7 +60,6 @@ static const char *get_filename_for_perf_kvm(void)
 }
 
 #ifdef HAVE_KVM_STAT_SUPPORT
-#include "util/kvm-stat.h"
 
 void exit_event_get_key(struct evsel *evsel,
                         struct perf_sample *sample,
@@ -1513,11 +1514,21 @@ perf_stat:
 }
 #endif /* HAVE_KVM_STAT_SUPPORT */
 
+int __weak kvm_add_default_arch_event(int *argc __maybe_unused,
+                                        const char **argv __maybe_unused)
+{
+        return 0;
+}
+
 static int __cmd_record(const char *file_name, int argc, const char **argv)
 {
-        int rec_argc, i = 0, j;
+        int rec_argc, i = 0, j, ret;
         const char **rec_argv;
 
+        ret = kvm_add_default_arch_event(&argc, argv);
+        if (ret)
+                return -EINVAL;
+
         rec_argc = argc + 2;
         rec_argv = calloc(rec_argc + 1, sizeof(char *));
         rec_argv[i++] = strdup("record");