Merge tag 'perf-urgent-for-mingo-5.7-20200403' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgentperf-urgent-2020-04-05

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

perf python:

  Arnaldo Carvalho de Melo:

  - Fix clang detection to strip out options passed in $CC.

build:

  He Zhe:

  - Normalize gcc parameter when generating arch errno table, fixing
    the build by removing options from $(CC).

  Sam Lunt:

  - Support Python 3.8+ in Makefile.

perf report/top:

  Arnaldo Carvalho de Melo:

  - Fix title line formatting.

perf script:

  Andreas Gerstmayr:

  - Fix SEGFAULT when using DWARF mode.

  - Fix invalid read of directory entry after closedir(), found with valgrind.

  Hagen Paul Pfeifer:

  - Introduce --deltatime option.

  Stephane Eranian:

  - Allow --symbol to accept hexadecimal addresses.

  Ian Rogers:

  - Add -S/--symbols documentation

  Namhyung Kim:

  - Add --show-cgroup-events option.

perf python:

  Arnaldo Carvalho de Melo:

  - Include rwsem.c in the python binding, needed by the cgroups improvements.

build-test:

  Arnaldo Carvalho de Melo:

  - Honour JOBS to override detection of number of cores

perf top:

  Jin Yao:

  - Support --group-sort-idx to change the sort order

  - perf top: Support hotkey to change sort order

perf pmu-events x86:

  Jin Yao:

  - Use CPU_CLK_UNHALTED.THREAD in Kernel_Utilization metric

perf symbols arm64:

  Kemeng Shi:

  - Fix arm64 gap between kernel start and module end

kernel perf subsystem:

  Namhyung Kim:

  - Add PERF_RECORD_CGROUP event and Add PERF_SAMPLE_CGROUP feature,
    to allow cgroup tracking, saving a link between cgroup path and
    its id number.

perf cgroup:

  Namhyung Kim:

  - Maintain cgroup hierarchy.

perf report:

  Namhyung Kim:

  - Add 'cgroup' sort key.

perf record:

  Namhyung Kim:

  - Support synthesizing cgroup events for pre-existing cgroups.

  - Add --all-cgroups option

Documentation:

  Tony Jones:

  - Update docs regarding kernel/user space unwinding.

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

3 files changed, 59 insertions, 0 deletions

diff --git a/tools/perf/pmu-events/arch/test/test_cpu/branch.json b/tools/perf/pmu-events/arch/test/test_cpu/branch.json
new file mode 100644
index 000000000000..93ddfd8053ca
--- /dev/null
+++ b/tools/perf/pmu-events/arch/test/test_cpu/branch.json
@@ -0,0 +1,12 @@
+[
+  {
+    "EventName": "bp_l1_btb_correct",
+    "EventCode": "0x8a",
+    "BriefDescription": "L1 BTB Correction."
+  },
+  {
+    "EventName": "bp_l2_btb_correct",
+    "EventCode": "0x8b",
+    "BriefDescription": "L2 BTB Correction."
+  }
+]
diff --git a/tools/perf/pmu-events/arch/test/test_cpu/other.json b/tools/perf/pmu-events/arch/test/test_cpu/other.json
new file mode 100644
index 000000000000..7d53d7ecd723
--- /dev/null
+++ b/tools/perf/pmu-events/arch/test/test_cpu/other.json
@@ -0,0 +1,26 @@
+[
+    {
+        "EventCode": "0x6",
+        "Counter": "0,1",
+        "UMask": "0x80",
+        "EventName": "SEGMENT_REG_LOADS.ANY",
+        "SampleAfterValue": "200000",
+        "BriefDescription": "Number of segment register loads."
+    },
+    {
+        "EventCode": "0x9",
+        "Counter": "0,1",
+        "UMask": "0x20",
+        "EventName": "DISPATCH_BLOCKED.ANY",
+        "SampleAfterValue": "200000",
+        "BriefDescription": "Memory cluster signals to block micro-op dispatch for any reason"
+    },
+    {
+        "EventCode": "0x3A",
+        "Counter": "0,1",
+        "UMask": "0x0",
+        "EventName": "EIST_TRANS",
+        "SampleAfterValue": "200000",
+        "BriefDescription": "Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions"
+    }
+]
\ No newline at end of file
diff --git a/tools/perf/pmu-events/arch/test/test_cpu/uncore.json b/tools/perf/pmu-events/arch/test/test_cpu/uncore.json
new file mode 100644
index 000000000000..d0a890cc814d
--- /dev/null
+++ b/tools/perf/pmu-events/arch/test/test_cpu/uncore.json
@@ -0,0 +1,21 @@
+[
+ {
+	    "EventCode": "0x02",
+	    "EventName": "uncore_hisi_ddrc.flux_wcmd",
+	    "BriefDescription": "DDRC write commands",
+	    "PublicDescription": "DDRC write commands",
+	    "Unit": "hisi_sccl,ddrc"
+   },
+   {
+	    "Unit": "CBO",
+	    "EventCode": "0x22",
+	    "UMask": "0x81",
+	    "EventName": "UNC_CBO_XSNP_RESPONSE.MISS_EVICTION",
+	    "BriefDescription": "A cross-core snoop resulted from L3 Eviction which misses in some processor core.",
+	    "PublicDescription": "A cross-core snoop resulted from L3 Eviction which misses in some processor core.",
+	    "Counter": "0,1",
+	    "CounterMask": "0",
+	    "Invert": "0",
+	    "EdgeDetect": "0"
+  }
+]