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Date:   Fri, 24 Nov 2017 12:02:21 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Balamuruhan S <bala24@...ux.vnet.ibm.com>,
        David Ahern <dsahern@...il.com>,
        Hansuk Hong <flavono123@...il.com>,
        Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Namhyung Kim <namhyung@...nel.org>,
        "Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        Satheesh Rajendran <sathnaga@...ux.vnet.ibm.com>,
        Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Thomas Richter <tmricht@...ux.vnet.ibm.com>,
        Wang Nan <wangnan0@...wei.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [GIT PULL 00/11] perf/core improvements and fixes

Hi Ingo,

	There are some 'perf test' and container failures, but those
don't seem to have been introduced by patches in this series and are
being investigated.

	Please consider pulling,

- Arnaldo

Test results at the end of this message, as usual.

The following changes since commit f6751f178eeaf3da8c156d2a2fd7a0feccfab5ae:

  tools/headers: Synchronize kernel x86 UAPI headers (2017-11-18 09:00:46 +0100)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-4.15-20171124

for you to fetch changes up to 92f4ad912df4ac63f53ed0e95a7e0f51ef6eddfe:

  perf intel-pt: Bring instruction decoder files into line with the kernel (2017-11-23 15:40:48 -0300)

----------------------------------------------------------------
perf/core improvements and fixes:

- Improve build messages for Intel PT related files that differ
  from the kernel (Adrian Hunter)

- Bring instruction decoder files into line with the kernel (Adrian Hunter)

- Allow computing 'perf stat' style metrics in 'perf script' (Andi Kleen)

- Fix -D output for user metadata events (Arnaldo Carvalho de Melo)

- Add perf tools tip for using 'perf buildid-cache' to add the Node.js
  USDT probes and have them usable via 'perf probe' (Hansuk Hong)

- Follow the upstream kernel UAPI header version 100% (Ingo Molnar)

- Fixup discontiguous/sparse numa nodes in 'perf bench numa' (Satheesh Rajendran)

- Fix a 'perf test' case and disable one, both for s390x (Thomas Richter)

Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>

----------------------------------------------------------------
Adrian Hunter (2):
      perf intel-pt: Improve build messages for files that differ from the kernel
      perf intel-pt: Bring instruction decoder files into line with the kernel

Andi Kleen (3):
      perf record: Synthesize unit/scale/... in event update
      perf record: Synthesize thread map and cpu map
      perf script: Allow computing 'perf stat' style metrics

Arnaldo Carvalho de Melo (1):
      perf report: Fix -D output for user metadata events

Hansuk Hong (1):
      perf buildid-cache: Document for Node.js USDT

Ingo Molnar (1):
      tools headers: Follow the upstream UAPI header version 100% differ from the kernel

Satheesh Rajendran (1):
      perf bench numa: Fixup discontiguous/sparse numa nodes

Thomas Richter (2):
      perf test: Disable test cases 19 and 20 on s390x
      perf test: Fix test 21 for s390x

 tools/perf/Documentation/perf-script.txt | 10 +++-
 tools/perf/Documentation/tips.txt        |  1 +
 tools/perf/bench/numa.c                  | 56 ++++++++++++++++--
 tools/perf/builtin-record.c              | 24 ++++++++
 tools/perf/builtin-script.c              | 97 +++++++++++++++++++++++++++++++-
 tools/perf/builtin-stat.c                | 62 ++------------------
 tools/perf/check-headers.sh              |  1 -
 tools/perf/tests/bp_signal.c             |  2 +-
 tools/perf/tests/task-exit.c             |  4 ++
 tools/perf/util/header.c                 | 68 ++++++++++++++++++++++
 tools/perf/util/header.h                 |  5 ++
 tools/perf/util/intel-pt-decoder/Build   | 24 +++++---
 tools/perf/util/intel-pt-decoder/inat.h  | 10 ++++
 tools/perf/util/metricgroup.c            |  4 ++
 tools/perf/util/session.c                |  3 +-
 15 files changed, 293 insertions(+), 78 deletions(-)

Test results:

The first ones are container (docker) based builds of tools/perf with and
without libelf support.  Where clang is available, it is also used to build
perf with/without libelf.

The objtool and samples/bpf/ builds are disabled now that I'm switching from
using the sources in a local volume to fetching them from a http server to
build it inside the container, to make it easier to build in a container cluster.
Those will come back later.

Several are cross builds, the ones with -x-ARCH and the android one, and those
may not have all the features built, due to lack of multi-arch devel packages,
available and being used so far on just a few, like
debian:experimental-x-{arm64,mipsel}.

The 'perf test' one will perform a variety of tests exercising
tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands
with a variety of command line event specifications to then intercept the
sys_perf_event syscall to check that the perf_event_attr fields are set up as
expected, among a variety of other unit tests.

Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/
with a variety of feature sets, exercising the build with an incomplete set of
features as well as with a complete one. It is planned to have it run on each
of the containers mentioned above, using some container orchestration
infrastructure. Get in contact if interested in helping having this in place.


  # dm
   1 alpine:3.4: Ok                    gcc (Alpine 5.3.0) 5.3.0
   2 alpine:3.5: Ok                    gcc (Alpine 6.2.1) 6.2.1 20160822
   3 alpine:3.6: Ok                    gcc (Alpine 6.3.0) 6.3.0
   4 alpine:edge: Ok                   gcc (Alpine 6.4.0) 6.4.0
   5 android-ndk:r12b-arm: Ok          arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   6 android-ndk:r15c-arm: Ok          arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   7 centos:5: Ok                      gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55)
   8 centos:6: Ok                      gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18)
   9 centos:7: Ok                      gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16)
  10 debian:7: Ok                      gcc (Debian 4.7.2-5) 4.7.2
  11 debian:8: Ok                      gcc (Debian 4.9.2-10) 4.9.2
  12 debian:9: Ok                      gcc (Debian 6.3.0-18) 6.3.0 20170516
  13 debian:experimental: Ok           gcc (Debian 7.2.0-16) 7.2.0
  14 debian:experimental-x-arm64: Ok   aarch64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
  15 debian:experimental-x-mips: Ok    mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
  16 debian:experimental-x-mips64: Ok  mips64-linux-gnuabi64-gcc (Debian 7.2.0-11) 7.2.0
  17 fedora:20: Ok                     gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
  18 fedora:21: Ok                     gcc (GCC) 4.9.2 20150212 (Red Hat 4.9.2-6)
  19 fedora:22: Ok                     gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
  20 fedora:23: Ok                     gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6)
  21 fedora:24: Ok                     gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1)
  22 fedora:24-x-ARC-uClibc: Ok        arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
  23 fedora:25: Ok                     gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1)
  24 fedora:26: Ok                     gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2)
  25 fedora:27: FAIL                   gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2)

	perl/python hardened build CFLAGS mismatch, Jiri working on a fix.

  26 fedora:rawhide: Ok                gcc (GCC) 7.2.1 20170829 (Red Hat 7.2.1-1)
  27 gentoo-stage3-amd64:latest: Ok    gcc (Gentoo 5.4.0-r3 p1.7, pie-0.6.5) 5.4.0
  28 mageia:5: Ok                      gcc (GCC) 4.9.2
  29 mageia:6: Ok                      gcc (Mageia 5.4.0-5.mga6) 5.4.0
  30 opensuse:42.1: Ok                 gcc (SUSE Linux) 4.8.5
  31 opensuse:42.2: Ok                 gcc (SUSE Linux) 4.8.5
  32 opensuse:42.3: Ok                 gcc (SUSE Linux) 4.8.5
  33  opensuse:tumbleweed: Ok          gcc (SUSE Linux) 7.2.1 20170901 [gcc-7-branch revision 251580]
  34 oraclelinux:6: Ok                 gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-18)
  35 oraclelinux:7: Ok                 gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16)
  36 ubuntu:12.04.5: Ok                gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
  37 ubuntu:14.04.4: Ok                gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4
  38 ubuntu:14.04.4-x-linaro-arm64: Ok aarch64-linux-gnu-gcc
  39 ubuntu:15.04: Ok                  gcc (Ubuntu 4.9.2-10ubuntu13) 4.9.2
  40 ubuntu:16.04: Ok                  gcc (Ubuntu 5.4.0-6ubuntu1~16.04.5) 5.4.0 20160609
  41 ubuntu:16.04-x-arm: Ok            arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
  42 ubuntu:16.04-x-arm64: Ok          aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
  43 ubuntu:16.04-x-powerpc: Ok        powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
  44 ubuntu:16.04-x-powerpc64: Ok      powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.1) 5.4.0 20160609
  45 ubuntu:16.04-x-powerpc64el: Ok    powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
  46 ubuntu:16.04-x-s390: Ok           s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
  47 ubuntu:16.10: Ok                  gcc (Ubuntu 6.2.0-5ubuntu12) 6.2.0 20161005
  48 ubuntu:17.04: Ok                  gcc (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406
  49 ubuntu:17.10: Ok                  gcc (Ubuntu 7.2.0-8ubuntu3) 7.2.0
  # 

  The BPF and LLVM test failures are being investigated, perhaps related to updating
  to clang 6.

  # uname -a
  Linux jouet 4.14.0+ #2 SMP Thu Nov 16 12:09:19 -03 2017 x86_64 x86_64 x86_64 GNU/Linux
  # perf test
   1: vmlinux symtab matches kallsyms                       : Ok
   2: Detect openat syscall event                           : Ok
   3: Detect openat syscall event on all cpus               : Ok
   4: Read samples using the mmap interface                 : Ok
   5: Test data source output                               : Ok
   6: Parse event definition strings                        : Ok
   7: Simple expression parser                              : Ok
   8: PERF_RECORD_* events & perf_sample fields             : Ok
   9: Parse perf pmu format                                 : Ok
  10: DSO data read                                         : Ok
  11: DSO data cache                                        : Ok
  12: DSO data reopen                                       : Ok
  13: Roundtrip evsel->name                                 : Ok
  14: Parse sched tracepoints fields                        : Ok
  15: syscalls:sys_enter_openat event fields                : Ok
  16: Setup struct perf_event_attr                          : Ok
  17: Match and link multiple hists                         : Ok
  18: 'import perf' in python                               : Ok
  19: Breakpoint overflow signal handler                    : Ok
  20: Breakpoint overflow sampling                          : Ok
  21: Number of exit events of a simple workload            : Ok
  22: Software clock events period values                   : Ok
  23: Object code reading                                   : Ok
  24: Sample parsing                                        : Ok
  25: Use a dummy software event to keep tracking           : Ok
  26: Parse with no sample_id_all bit set                   : Ok
  27: Filter hist entries                                   : Ok
  28: Lookup mmap thread                                    : Ok
  29: Share thread mg                                       : Ok
  30: Sort output of hist entries                           : Ok
  31: Cumulate child hist entries                           : Ok
  32: Track with sched_switch                               : Ok
  33: Filter fds with revents mask in a fdarray             : Ok
  34: Add fd to a fdarray, making it autogrow               : Ok
  35: kmod_path__parse                                      : Ok
  36: Thread map                                            : Ok
  37: LLVM search and compile                               :
  37.1: Basic BPF llvm compile                              : Ok
  37.2: kbuild searching                                    : FAILED!
  37.3: Compile source for BPF prologue generation          : Skip
  37.4: Compile source for BPF relocation                   : Skip
  38: Session topology                                      : Ok
  39: BPF filter                                            :
  39.1: Basic BPF filtering                                 : FAILED!
  39.2: BPF pinning                                         : Skip
  39.3: BPF prologue generation                             : Skip
  39.4: BPF relocation checker                              : Skip
  40: Synthesize thread map                                 : Ok
  41: Remove thread map                                     : Ok
  42: Synthesize cpu map                                    : Ok
  43: Synthesize stat config                                : Ok
  44: Synthesize stat                                       : Ok
  45: Synthesize stat round                                 : Ok
  46: Synthesize attr update                                : Ok
  47: Event times                                           : Ok
  48: Read backward ring buffer                             : Ok
  49: Print cpu map                                         : Ok
  50: Probe SDT events                                      : Ok
  51: is_printable_array                                    : Ok
  52: Print bitmap                                          : Ok
  53: perf hooks                                            : Ok
  54: builtin clang support                                 : Skip (not compiled in)
  55: unit_number__scnprintf                                : Ok
  56: x86 rdpmc                                             : Ok
  57: Convert perf time to TSC                              : Ok
  58: DWARF unwind                                          : Ok
  59: x86 instruction decoder - new instructions            : Ok
  60: Use vfs_getname probe to get syscall args filenames   : Ok
  61: probe libc's inet_pton & backtrace it with ping       : Ok
  62: Check open filename arg using perf trace + vfs_getname: Ok
  63: Add vfs_getname probe to get syscall args filenames   : Ok
  # 

  $ make -C tools/perf build-test
  make: Entering directory '/home/acme/git/linux/tools/perf'
  - tarpkg: ./tests/perf-targz-src-pkg .
         make_install_prefix_O: make install prefix=/tmp/krava
           make_no_libbionic_O: make NO_LIBBIONIC=1
                   make_tags_O: make tags
                make_no_newt_O: make NO_NEWT=1
           make_no_libunwind_O: make NO_LIBUNWIND=1
           make_no_backtrace_O: make NO_BACKTRACE=1
                make_no_gtk2_O: make NO_GTK2=1
                   make_pure_O: make
             make_util_map_o_O: make util/map.o
                make_install_O: make install
            make_install_bin_O: make install-bin
             make_no_libnuma_O: make NO_LIBNUMA=1
            make_no_demangle_O: make NO_DEMANGLE=1
                 make_perf_o_O: make perf.o
                   make_help_O: make help
              make_no_libelf_O: make NO_LIBELF=1
              make_no_libbpf_O: make NO_LIBBPF=1
   make_install_prefix_slash_O: make install prefix=/tmp/krava/
           make_no_libpython_O: make NO_LIBPYTHON=1
            make_no_libaudit_O: make NO_LIBAUDIT=1
  make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
       make_util_pmu_bison_o_O: make util/pmu-bison.o
              make_clean_all_O: make clean all
         make_with_clangllvm_O: make LIBCLANGLLVM=1
            make_no_auxtrace_O: make NO_AUXTRACE=1
                    make_doc_O: make doc
             make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
        make_with_babeltrace_O: make LIBBABELTRACE=1
                  make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
               make_no_slang_O: make NO_SLANG=1
                  make_debug_O: make DEBUG=1
             make_no_libperl_O: make NO_LIBPERL=1
                 make_static_O: make LDFLAGS=-static
                make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1
  OK
  make: Leaving directory '/home/acme/git/linux/tools/perf'
  $

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