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* [GIT PULL 0/1] perf/urgent fix
@ 2017-06-26 19:28 Arnaldo Carvalho de Melo
  2017-06-26 19:28 ` [PATCH 1/1] perf machine: Fix segfault for kernel.kptr_restrict=2 Arnaldo Carvalho de Melo
  2017-06-27  7:17 ` [GIT PULL 0/1] perf/urgent fix Ingo Molnar
  0 siblings, 2 replies; 3+ messages in thread
From: Arnaldo Carvalho de Melo @ 2017-06-26 19:28 UTC (permalink / raw)
  To: Ingo Molnar
  Cc: linux-kernel, Arnaldo Carvalho de Melo, David Ahern, Jiri Olsa,
	Michael Petlan, Namhyung Kim, Peter Zijlstra,
	Arnaldo Carvalho de Melo

Hi Ingo,

	Please consider pulling,

- Arnaldo

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

The following changes since commit 977282ed17a0213c84d59498a1e3f7088e211470:

  Merge tag 'perf-urgent-for-mingo-4.12-20170622' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2017-06-23 10:03:27 +0200)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-urgent-for-mingo-4.12-20170626

for you to fetch changes up to 3f938ee2f6c4fff8d95b24636a0964b5a93cf547:

  perf machine: Fix segfault for kernel.kptr_restrict=2 (2017-06-26 11:52:37 -0300)

----------------------------------------------------------------
perf/urgent fix:

- Fix segfault for kernel.kptr_restrict=2 (Jiri Olsa)

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

----------------------------------------------------------------
Jiri Olsa (1):
      perf machine: Fix segfault for kernel.kptr_restrict=2

 tools/perf/util/machine.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

Test results:

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

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
   2 alpine:3.5: Ok
   3 alpine:3.6: Ok
   4 alpine:edge: Ok
   5 android-ndk:r12b-arm: Ok
   6 archlinux:latest: Ok
   7 centos:5: Ok
   8 centos:6: Ok
   9 centos:7: Ok
  10 debian:7: Ok
  11 debian:8: Ok
  12 debian:9: Ok
  13 debian:experimental: Ok
  14 debian:experimental-x-arm64: Ok
  15 debian:experimental-x-mips: Ok
  16 debian:experimental-x-mips64: Ok
  17 debian:experimental-x-mipsel: Ok
  18 fedora:20: Ok
  19 fedora:21: Ok
  20 fedora:22: Ok
  21 fedora:23: Ok
  22 fedora:24: Ok
  23 fedora:24-x-ARC-uClibc: Ok
  24 fedora:25: Ok
  25 fedora:rawhide: Ok
  26 mageia:5: Ok
  27 opensuse:13.2: Ok
  28 opensuse:42.1: Ok
  29 opensuse:tumbleweed: Ok
  30 ubuntu:12.04.5: Ok
  31 ubuntu:14.04.4: Ok
  32 ubuntu:14.04.4-x-linaro-arm64: Ok
  33 ubuntu:15.10: Ok
  34 ubuntu:16.04: Ok
  35 ubuntu:16.04-x-arm: Ok
  36 ubuntu:16.04-x-arm64: Ok
  37 ubuntu:16.04-x-powerpc: Ok
  38 ubuntu:16.04-x-powerpc64: Ok
  39 ubuntu:16.04-x-powerpc64el: Ok
  40 ubuntu:16.04-x-s390: Ok
  41 ubuntu:16.10: Ok
  42 ubuntu:17.04: Ok

  # uname -a
  Linux jouet 4.12.0-rc4+ #1 SMP Fri Jun 9 12:59:23 -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: Parse event definition strings             : Ok
   6: Simple expression parser                   : Ok
   7: PERF_RECORD_* events & perf_sample fields  : Ok
   8: Parse perf pmu format                      : Ok
   9: DSO data read                              : Ok
  10: DSO data cache                             : Ok
  11: DSO data reopen                            : Ok
  12: Roundtrip evsel->name                      : Ok
  13: Parse sched tracepoints fields             : Ok
  14: syscalls:sys_enter_openat event fields     : Ok
  15: Setup struct perf_event_attr               : Ok
  16: Match and link multiple hists              : Ok
  17: 'import perf' in python                    : Ok
  18: Breakpoint overflow signal handler         : Ok
  19: Breakpoint overflow sampling               : Ok
  20: Number of exit events of a simple workload : Ok
  21: Software clock events period values        : Ok
  22: Object code reading                        : Ok
  23: Sample parsing                             : Ok
  24: Use a dummy software event to keep tracking: Ok
  25: Parse with no sample_id_all bit set        : Ok
  26: Filter hist entries                        : Ok
  27: Lookup mmap thread                         : Ok
  28: Share thread mg                            : Ok
  29: Sort output of hist entries                : Ok
  30: Cumulate child hist entries                : Ok
  31: Track with sched_switch                    : Ok
  32: Filter fds with revents mask in a fdarray  : Ok
  33: Add fd to a fdarray, making it autogrow    : Ok
  34: kmod_path__parse                           : Ok
  35: Thread map                                 : Ok
  36: LLVM search and compile                    :
  36.1: Basic BPF llvm compile                    : Ok
  36.2: kbuild searching                          : Ok
  36.3: Compile source for BPF prologue generation: Ok
  36.4: Compile source for BPF relocation         : Ok
  37: Session topology                           : Ok
  38: BPF filter                                 :
  38.1: Basic BPF filtering                      : Ok
  38.2: BPF pinning                              : Ok
  38.3: BPF prologue generation                  : Ok
  38.4: BPF relocation checker                   : Ok
  39: Synthesize thread map                      : Ok
  40: Remove thread map                          : Ok
  41: Synthesize cpu map                         : Ok
  42: Synthesize stat config                     : Ok
  43: Synthesize stat                            : Ok
  44: Synthesize stat round                      : Ok
  45: Synthesize attr update                     : Ok
  46: Event times                                : Ok
  47: Read backward ring buffer                  : Ok
  48: Print cpu map                              : Ok
  49: Probe SDT events                           : Ok
  50: is_printable_array                         : Ok
  51: Print bitmap                               : Ok
  52: perf hooks                                 : Ok
  53: builtin clang support                      : Skip (not compiled in)
  54: unit_number__scnprintf                     : Ok
  55: x86 rdpmc                                  : Ok
  56: Convert perf time to TSC                   : Ok
  57: DWARF unwind                               : Ok
  58: x86 instruction decoder - new instructions : Ok
  59: Intel cqm nmi context read                 : Skip
  #

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

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2017-06-26 19:28 [GIT PULL 0/1] perf/urgent fix Arnaldo Carvalho de Melo
2017-06-26 19:28 ` [PATCH 1/1] perf machine: Fix segfault for kernel.kptr_restrict=2 Arnaldo Carvalho de Melo
2017-06-27  7:17 ` [GIT PULL 0/1] perf/urgent fix Ingo Molnar

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