Merge tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git...

Pull more perf updates from Thomas Gleixner:
 "Perf updates all over the place:

  core:

   - Support for cgroup tracking in samples to allow cgroup based
     analysis

  tools:

   - Support for cgroup analysis

   - Commandline option and hotkey for perf top to change the sort order

   - A set of fixes all over the place

   - Various build system related improvements

   - Updates of the X86 pmu event JSON data

   - Documentation updates"

* tag 'perf-urgent-2020-04-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (55 commits)
  perf python: Fix clang detection to strip out options passed in $CC
  perf tools: Support Python 3.8+ in Makefile
  perf script: Fix invalid read of directory entry after closedir()
  perf script report: Fix SEGFAULT when using DWARF mode
  perf script: add -S/--symbols documentation
  perf pmu-events x86: Use CPU_CLK_UNHALTED.THREAD in Kernel_Utilization metric
  perf events parser: Add missing Intel CPU events to parser
  perf script: Allow --symbol to accept hexadecimal addresses
  perf report/top TUI: Fix title line formatting
  perf top: Support hotkey to change sort order
  perf top: Support --group-sort-idx to change the sort order
  perf symbols: Fix arm64 gap between kernel start and module end
  perf build-test: Honour JOBS to override detection of number of cores
  perf script: Add --show-cgroup-events option
  perf top: Add --all-cgroups option
  perf record: Add --all-cgroups option
  perf record: Support synthesizing cgroup events
  perf report: Add 'cgroup' sort key
  perf cgroup: Maintain cgroup hierarchy
  perf tools: Basic support for CGROUP event
  ...

diff --cc init/Kconfig
Simple merge

diff --cc kernel/events/core.c
Simple merge

diff --cc tools/build/feature/Makefile
index ab8e89a,621f528..9201238
--- 1/tools/build/feature/Makefile
--- 2/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@@ -68,7 -68,7 +68,8 @@@ FILES
           test-llvm-version.bin                        \
           test-libaio.bin                      \
           test-libzstd.bin                     \
-          test-clang-bpf-global-var.bin
++         test-clang-bpf-global-var.bin                \
+          test-file-handle.bin
  
  FILES := $(addprefix $(OUTPUT),$(FILES))
  
@@@ -323,10 -322,8 +324,12 @@@ $(OUTPUT)test-libaio.bin
  $(OUTPUT)test-libzstd.bin:
        $(BUILD) -lzstd
  
 +$(OUTPUT)test-clang-bpf-global-var.bin:
 +      $(CLANG) -S -g -target bpf -o - $(patsubst %.bin,%.c,$(@F)) |   \
 +              grep BTF_KIND_VAR
 +
+ $(OUTPUT)test-file-handle.bin:
+       $(BUILD)
  
  ###############################