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Date:   Fri, 14 Feb 2020 16:10:34 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        Clark Williams <williams@...hat.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        John Garry <john.garry@...wei.com>,
        Kim Phillips <kim.phillips@....com>,
        Ravi Bangoria <ravi.bangoria@...ux.ibm.com>,
        Shaokun Zhang <zhangshaokun@...ilicon.com>,
        Thomas Richter <tmricht@...ux.ibm.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [GIT PULL] perf/urgent improvements and fixes

Hi Ingo/Thomas,

	Please consider pulling,

Best regards,

- Arnaldo

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

The following changes since commit bb6d3fb354c5ee8d6bde2d576eb7220ea09862b9:

  Linux 5.6-rc1 (2020-02-09 16:08:48 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-urgent-for-mingo-5.6-20200214

for you to fetch changes up to 62765941155e487b351a72479078bd6fec973563:

  perf llvm: Fix script used to obtain kernel make directives to work with new kbuild (2020-02-14 10:06:00 -0300)

----------------------------------------------------------------
perf/urgent fixes:

BPF:

  Arnaldo Carvalho de Melo:

  - Fix script used to obtain kernel make directives to work with new kbuild
    used for building BPF programs.

maps:

  Jiri Olsa:

  - Fixup kmap->kmaps backpointer in kernel maps.

arm64:

  John Garry:

  - Add arm64 version of get_cpuid() to get proper, arm64 specific output from
    'perf list' and other tools.

perf top:

  Kim Phillips:

  - Update kernel idle symbols so that output in AMD systems is in line with
    other systems.

perf stat:

  Kim Phillips:

  - Don't report a null stalled cycles per insn metric.

tools headers:

  Arnaldo Carvalho de Melo:

  - Sync tools/ headers with the kernel sources to get things like syscall
    numbers and new arguments so that 'perf trace' can decode and use them in
    tracepoint filters, e.g. prctl's new PR_{G,S}ET_IO_FLUSHER options.

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

----------------------------------------------------------------
Arnaldo Carvalho de Melo (15):
      tools include UAPI: Sync x86's syscalls_64.tbl, generic unistd.h and fcntl.h to pick up openat2 and pidfd_getfd
      tools headers UAPI: Sync copy of arm64's asm/unistd.h with the kernel sources
      tools headers UAPI: Sync prctl.h with the kernel sources
      perf beauty prctl: Export the 'options' strarray
      perf trace: Resolve prctl's 'option' arg strings to numbers
      tools headers UAPI: Sync sched.h with the kernel
      tools headers uapi: Sync linux/fscrypt.h with the kernel sources
      tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
      tools headers UAPI: Sync asm-generic/mman-common.h with the kernel
      tools include UAPI: Sync sound/asound.h copy
      tools headers x86: Sync disabled-features.h
      tools arch x86: Sync asm/cpufeatures.h with the kernel sources
      tools headers kvm: Sync kvm headers with the kernel sources
      tools headers kvm: Sync linux/kvm.h with the kernel sources
      perf llvm: Fix script used to obtain kernel make directives to work with new kbuild

Jiri Olsa (4):
      perf maps: Mark module DSOs with kernel type
      perf maps: Mark ksymbol DSOs with kernel type
      perf maps: Fix map__clone() for struct kmap
      perf maps: Move kmap::kmaps setup to maps__insert()

John Garry (1):
      perf tools: Add arm64 version of get_cpuid()

Kim Phillips (3):
      perf stat: Don't report a null stalled cycles per insn metric
      perf symbols: Update the list of kernel idle symbols
      perf symbols: Convert symbol__is_idle() to use strlist

 tools/arch/arm64/include/uapi/asm/kvm.h           |  12 +-
 tools/arch/arm64/include/uapi/asm/unistd.h        |   1 +
 tools/arch/x86/include/asm/cpufeatures.h          |   2 +
 tools/arch/x86/include/asm/disabled-features.h    |   8 +-
 tools/include/uapi/asm-generic/mman-common.h      |   2 +
 tools/include/uapi/asm-generic/unistd.h           |   7 +-
 tools/include/uapi/drm/i915_drm.h                 |  32 +++++
 tools/include/uapi/linux/fcntl.h                  |   2 +-
 tools/include/uapi/linux/fscrypt.h                |  14 +-
 tools/include/uapi/linux/kvm.h                    |   5 +
 tools/include/uapi/linux/openat2.h                |  39 ++++++
 tools/include/uapi/linux/prctl.h                  |   4 +
 tools/include/uapi/linux/sched.h                  |   6 +
 tools/include/uapi/sound/asound.h                 | 155 ++++++++++++++++++----
 tools/perf/arch/arm64/util/header.c               |  63 ++++++---
 tools/perf/arch/x86/entry/syscalls/syscall_64.tbl |   2 +
 tools/perf/builtin-trace.c                        |   4 +-
 tools/perf/check-headers.sh                       |   1 +
 tools/perf/trace/beauty/beauty.h                  |   2 +
 tools/perf/trace/beauty/prctl.c                   |   3 +-
 tools/perf/util/llvm-utils.c                      |   1 +
 tools/perf/util/machine.c                         |  26 ++--
 tools/perf/util/map.c                             |  17 ++-
 tools/perf/util/stat-shadow.c                     |   6 -
 tools/perf/util/symbol.c                          |  17 ++-
 25 files changed, 353 insertions(+), 78 deletions(-)
 create mode 100644 tools/include/uapi/linux/openat2.h

Test results:

The first ones are container based builds of tools/perf with and without libelf
support.  Where clang is available, it is also used to build perf with/without
libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
when clang and its devel libraries are installed.

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.

Clearlinux is failing when due to:

  `.gnu.debuglto_.debug_macro' referenced in section `.gnu.debuglto_.debug_macro' of /tmp/build/perf/util/scripting-engines/perf-in.o: defined in discarded section `.gnu.debuglto_.debug_macro[wm4.stdcpredef.h.19.8dc41bed5d9037ff9622e015fb5f0ce3]' of /tmp/build/perf/util/scripting-engines/perf-in.o

OpenMandriva Cooker works well with gcc, uncovers a bug where we have to
get compiler-clang.h from the kernel sources, will be fixed soon.

With the update of linux/linkage.h to move from ENTRY()/ENDPROC() to
SYM_FUNC_START()/etc some of the older containers can't be used with clang,
as the minimum version for the constructs used in the new linkage.h is 3.5,
older versions (3.4, 3.4.2, etc) end up with:

  bench/../../arch/x86/lib/memcpy_64.S:44:14: error: unexpected token in '.type' directive
  .type MEMCPY STT_FUNC ; .size MEMCPY, .-MEMCPY
               ^

Ubuntu 19.10 is failing when linking against libllvm, which isn't the default,
needs to be investigated, haven't tested with CC=gcc, but should be the same problem:

+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= LIBCLANGLLVM=1 -C /git/linux/tools/perf O=/tmp/build/perf CC=clang

...
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::matcher_ignoringImpCasts0Matcher::matches(clang::Expr const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
(.text._ZNK5clang12ast_matchers8internal32matcher_ignoringImpCasts0Matcher7matchesERKNS_4ExprEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE[_ZNK5clang12ast_matchers8internal32matcher_ignoringImpCasts0Matcher7matchesERKNS_4ExprEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE]+0x43): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::matches(clang::ast_type_traits::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const'
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::matcher_hasLoopVariable0Matcher::matches(clang::CXXForRangeStmt const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
(.text._ZNK5clang12ast_matchers8internal31matcher_hasLoopVariable0Matcher7matchesERKNS_15CXXForRangeStmtEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE[_ZNK5clang12ast_matchers8internal31matcher_hasLoopVariable0Matcher7matchesERKNS_15CXXForRangeStmtEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE]+0x48): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::matches(clang::ast_type_traits::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const'
...

  It builds ok with the default set of options.

  # export PERF_TARBALL=http://192.168.124.1/perf/perf-5.6.0-rc1.tar.xz
  # dm 
   1 alpine:3.4                    : Ok   gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
   2 alpine:3.5                    : Ok   gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
   3 alpine:3.6                    : Ok   gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
   4 alpine:3.7                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
   5 alpine:3.8                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
   6 alpine:3.9                    : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
   7 alpine:3.10                   : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
   8 alpine:3.11                   : Ok   gcc (Alpine 9.2.0) 9.2.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
   9 alpine:edge                   : Ok   gcc (Alpine 9.2.0) 9.2.0, Alpine clang version 9.0.0 (git://git.alpinelinux.org/aports 25c73ae7b95bdb42ae5f0ceac3b703e766582527) (based on LLVM 9.0.0)
  10 alt:p8                        : Ok   x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1), clang version 3.8.0 (tags/RELEASE_380/final)
  11 alt:p9                        : Ok   x86_64-alt-linux-gcc (GCC) 8.3.1 20190507 (ALT p9 8.3.1-alt5), clang version 7.0.1 
  12 alt:sisyphus                  : Ok   x86_64-alt-linux-gcc (GCC) 9.2.1 20190827 (ALT Sisyphus 9.2.1-alt2), clang version 7.0.1 
  13 amazonlinux:1                 : Ok   gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2), clang version 3.6.2 (tags/RELEASE_362/final)
  14 amazonlinux:2                 : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
  15 android-ndk:r12b-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
  16 android-ndk:r15c-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
  17 centos:5                      : Ok   gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55)
  18 centos:6                      : Ok   gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
  19 centos:7                      : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39)
  20 centos:8                      : Ok   gcc (GCC) 8.3.1 20190507 (Red Hat 8.3.1-4), clang version 8.0.1 (Red Hat 8.0.1-1.module_el8.1.0+215+a01033fb)
  21 clearlinux:latest             : Ok   gcc (Clear Linux OS for Intel Architecture) 9.2.1 20200111 gcc-9-branch@...154, clang version 9.0.1 
  22 debian:8                      : Ok   gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
  23 debian:9                      : Ok   gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
  24 debian:10                     : Ok   gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8 (tags/RELEASE_701/final)
  25 debian:experimental           : Ok   gcc (Debian 9.2.1-28) 9.2.1 20200203, clang version 8.0.1-7 (tags/RELEASE_801/final)
  26 debian:experimental-x-arm64   : Ok   aarch64-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
  27 debian:experimental-x-mips    : Ok   mips-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
  28 debian:experimental-x-mips64  : Ok   mips64-linux-gnuabi64-gcc (Debian 9.2.1-24) 9.2.1 20200117
  29 debian:experimental-x-mipsel  : Ok   mipsel-linux-gnu-gcc (Debian 9.2.1-8) 9.2.1 20190909
  30 fedora:20                     : Ok   gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
  31 fedora:22                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
  32 fedora:23                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
  33 fedora:24                     : Ok   gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
  34 fedora:24-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
  35 fedora:25                     : Ok   gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
  36 fedora:26                     : Ok   gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
  37 fedora:27                     : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
  38 fedora:28                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
  39 fedora:29                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
  40 fedora:30                     : Ok   gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
  41 fedora:30-x-ARC-glibc         : Ok   arc-linux-gcc (ARC HS GNU/Linux glibc toolchain 2019.03-rc1) 8.3.1 20190225
  42 fedora:30-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
  43 fedora:31                     : Ok   gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1), clang version 9.0.0 (Fedora 9.0.0-1.fc31)
  44 fedora:32                     : Ok   gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1), clang version 9.0.0 (Fedora 9.0.0-1.fc32)
  45 fedora:rawhide                : Ok   gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1), clang version 9.0.0 (Fedora 9.0.0-1.fc32)
  46 gentoo-stage3-amd64:latest    : Ok   gcc (Gentoo 9.2.0-r2 p3) 9.2.0
  47 mageia:5                      : Ok   gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
  48 mageia:6                      : Ok   gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
  49 mageia:7                      : Ok   gcc (Mageia 8.3.1-0.20190524.1.mga7) 8.3.1 20190524, clang version 8.0.0 (Mageia 8.0.0-1.mga7)
  50 manjaro:latest                : Ok   gcc (GCC) 9.2.0, clang version 9.0.0 (tags/RELEASE_900/final)
  51 openmandriva:cooker           : Ok   gcc (GCC) 9.2.1 20191123 (OpenMandriva)
  52 opensuse:15.0                 : Ok   gcc (SUSE Linux) 7.4.1 20190424 [gcc-7-branch revision 270538], clang version 5.0.1 (tags/RELEASE_501/final 312548)
  53 opensuse:15.1                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
  54 opensuse:15.2                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
  55 opensuse:42.3                 : Ok   gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
  56 opensuse:tumbleweed           : Ok   gcc (SUSE Linux) 9.2.1 20190903 [gcc-9-branch revision 275330], clang version 9.0.0 (tags/RELEASE_900/final 372316)
  57 oraclelinux:6                 : Ok   gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
  58 oraclelinux:7                 : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39.0.3)
  59 oraclelinux:8                 : Ok   gcc (GCC) 8.3.1 20190507 (Red Hat 8.3.1-4.5.0.5), clang version 8.0.1 (Red Hat 8.0.1-1.0.1.module+el8.1.0+5428+345cee14)
  60 ubuntu:12.04                  : Ok   gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
  61 ubuntu:14.04                  : Ok   gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
  62 ubuntu:16.04                  : Ok   gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
  63 ubuntu:16.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
  64 ubuntu:16.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
  65 ubuntu:16.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
  66 ubuntu:16.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
  67 ubuntu:16.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
  68 ubuntu:16.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
  69 ubuntu:18.04                  : Ok   gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
  70 ubuntu:18.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1) 7.4.0
  71 ubuntu:18.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.4.0-1ubuntu1~18.04.1) 7.4.0
  72 ubuntu:18.04-x-m68k           : Ok   m68k-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
  73 ubuntu:18.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
  74 ubuntu:18.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
  75 ubuntu:18.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
  76 ubuntu:18.04-x-riscv64        : Ok   riscv64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
  77 ubuntu:18.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
  78 ubuntu:18.04-x-sh4            : Ok   sh4-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
  79 ubuntu:18.04-x-sparc64        : Ok   sparc64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
  80 ubuntu:18.10                  : Ok   gcc (Ubuntu 8.3.0-6ubuntu1~18.10.1) 8.3.0, clang version 7.0.0-3 (tags/RELEASE_700/final)
  81 ubuntu:19.04                  : Ok   gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0, clang version 8.0.0-3 (tags/RELEASE_800/final)
  82 ubuntu:19.04-x-alpha          : Ok   alpha-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
  83 ubuntu:19.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 8.3.0-6ubuntu1) 8.3.0
  84 ubuntu:19.04-x-hppa           : Ok   hppa-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
  85 ubuntu:19.10                  : Ok   gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 9.0.0-2 (tags/RELEASE_900/final)
  #

  # uname -a
  Linux quaco 5.6.0-rc1+ #1 SMP Wed Feb 12 15:42:16 -03 2020 x86_64 x86_64 x86_64 GNU/Linux
  # git log --oneline -1
  62765941155e perf llvm: Fix script used to obtain kernel make directives to work with new kbuild
  # perf version --build-options
  perf version 5.6.rc1.g62765941155e
                   dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
      dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
                   glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
                    gtk2: [ on  ]  # HAVE_GTK2_SUPPORT
           syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
                  libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
                  libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
                 libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
  numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
                 libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
               libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
                libslang: [ on  ]  # HAVE_SLANG_SUPPORT
               libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
               libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
      libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
                    zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                    lzma: [ on  ]  # HAVE_LZMA_SUPPORT
               get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                     bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
                     aio: [ on  ]  # HAVE_AIO_SUPPORT
                    zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
  # 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: Breakpoint accounting                                 : Ok
  22: Watchpoint                                            :
  22.1: Read Only Watchpoint                                : Skip
  22.2: Write Only Watchpoint                               : Ok
  22.3: Read / Write Watchpoint                             : Ok
  22.4: Modify Watchpoint                                   : Ok
  23: Number of exit events of a simple workload            : Ok
  24: Software clock events period values                   : Ok
  25: Object code reading                                   : Ok
  26: Sample parsing                                        : Ok
  27: Use a dummy software event to keep tracking           : Ok
  28: Parse with no sample_id_all bit set                   : Ok
  29: Filter hist entries                                   : Ok
  30: Lookup mmap thread                                    : Ok
  31: Share thread maps                                     : Ok
  32: Sort output of hist entries                           : Ok
  33: Cumulate child hist entries                           : Ok
  34: Track with sched_switch                               : Ok
  35: Filter fds with revents mask in a fdarray             : Ok
  36: Add fd to a fdarray, making it autogrow               : Ok
  37: kmod_path__parse                                      : Ok
  38: Thread map                                            : Ok
  39: LLVM search and compile                               :
  39.1: Basic BPF llvm compile                              : Ok
  39.2: kbuild searching                                    : Ok
  39.3: Compile source for BPF prologue generation          : Ok
  39.4: Compile source for BPF relocation                   : Ok
  40: Session topology                                      : Ok
  41: BPF filter                                            :
  41.1: Basic BPF filtering                                 : Ok
  41.2: BPF pinning                                         : Ok
  41.3: BPF prologue generation                             : Ok
  41.4: BPF relocation checker                              : Ok
  42: Synthesize thread map                                 : Ok
  43: Remove thread map                                     : Ok
  44: Synthesize cpu map                                    : Ok
  45: Synthesize stat config                                : Ok
  46: Synthesize stat                                       : Ok
  47: Synthesize stat round                                 : Ok
  48: Synthesize attr update                                : Ok
  49: Event times                                           : Ok
  50: Read backward ring buffer                             : Ok
  51: Print cpu map                                         : Ok
  52: Merge cpu map                                         : Ok
  53: Probe SDT events                                      : Ok
  54: is_printable_array                                    : Ok
  55: Print bitmap                                          : Ok
  56: perf hooks                                            : Ok
  57: builtin clang support                                 : Skip (not compiled in)
  58: unit_number__scnprintf                                : Ok
  59: mem2node                                              : Ok
  60: time utils                                            : Ok
  61: Test jit_write_elf                                    : Ok
  62: maps__merge_in                                        : Ok
  63: x86 rdpmc                                             : Ok
  64: Convert perf time to TSC                              : Ok
  65: DWARF unwind                                          : Ok
  66: x86 instruction decoder - new instructions            : Ok
  67: Intel PT packet decoder                               : Ok
  68: x86 bp modify                                         : Ok
  69: probe libc's inet_pton & backtrace it with ping       : Ok
  70: Use vfs_getname probe to get syscall args filenames   : Ok
  71: Add vfs_getname probe to get syscall args filenames   : Ok
  72: Check open filename arg using perf trace + vfs_getname: Ok
  73: Zstd perf.data compression/decompression              : Ok
  #

  $ make -C tools/perf build-test
  make: Entering directory '/home/acme/git/perf/tools/perf'
  - tarpkg: ./tests/perf-targz-src-pkg .
              make_clean_all_O: make clean all
              make_no_libbpf_O: make NO_LIBBPF=1
                make_no_newt_O: make NO_NEWT=1
  make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
                   make_help_O: make help
         make_with_clangllvm_O: make LIBCLANGLLVM=1
              make_no_libelf_O: make NO_LIBELF=1
                make_no_gtk2_O: make NO_GTK2=1
                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 NO_LIBZSTD=1 NO_LIBCAP=1
                 make_cscope_O: make cscope
             make_no_libperl_O: make NO_LIBPERL=1
           make_no_libpython_O: make NO_LIBPYTHON=1
           make_no_libunwind_O: make NO_LIBUNWIND=1
                make_install_O: make install
                  make_debug_O: make DEBUG=1
                 make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
                   make_tags_O: make tags
                    make_doc_O: make doc
             make_no_libnuma_O: make NO_LIBNUMA=1
            make_no_demangle_O: make NO_DEMANGLE=1
           make_no_libbionic_O: make NO_LIBBIONIC=1
        make_with_babeltrace_O: make LIBBABELTRACE=1
         make_install_prefix_O: make install prefix=/tmp/krava
            make_no_libaudit_O: make NO_LIBAUDIT=1
                  make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
            make_no_auxtrace_O: make NO_AUXTRACE=1
                   make_pure_O: make
             make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
            make_install_bin_O: make install-bin
       make_util_pmu_bison_o_O: make util/pmu-bison.o
             make_util_map_o_O: make util/map.o
               make_no_slang_O: make NO_SLANG=1
   make_install_prefix_slash_O: make install prefix=/tmp/krava/
           make_no_backtrace_O: make NO_BACKTRACE=1
                 make_perf_o_O: make perf.o
  OK
  make: Leaving directory '/home/acme/git/perf/tools/perf'
  $

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