Re: [GIT PULL] perf/core improvements and fixes

From: Ingo Molnar
Date: Wed Dec 04 2019 - 02:51:45 EST


* Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:

> Hi Ingo/Thomas,
>
> Please consider pulling,
>
> Best regards,
>
> - Arnaldo
>
> Test results at the end of this message, as usual.
>
> The following changes since commit e680a41fcaf07ccac8817c589fc4824988b48eac:
>
> Merge tag 'perf-core-for-mingo-5.5-20191128' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2019-11-29 06:56:05 +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-5.5-20191203
>
> for you to fetch changes up to 15b3904f8e884e0d34d5f09906cf6526d0b889a2:
>
> libtraceevent: Copy pkg-config file to output folder when using O= (2019-12-02 21:58:20 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> perf report/top:
>
> - Fix segfault due to missing initialization of recently introduced
> struct map_symbol 'maps' field in append_inlines(), when running
> with DWARF callchains.
>
> perf stat:
>
> Andi Kleen:
>
> - Affinity based optimizations for sessions with many events in
> machines with large core counts, avoiding excessive number of IPIs.
>
> libtraceevent:
>
> - Sudip Mukherjee:
>
> - Fix installation with O=.
>
> - Copy pkg-config file to output folder when using O=.
>
> perf bench:
>
> Arnaldo Carvalho de Melo:
>
> - Update the copies of x86's mem{cpy,set}_64.S, and because that
> now uses new stuff in linux/linkage.h, update that header too, which
> made the minimal clang version to build perf to be 3.5, as
> 3.4 as found in some of the container images used to test build perf
> can't grok STT_FUNC as a token in .type lines.
>
> ABI headers:
>
> Arnaldo Carvalho de Melo:
>
> - Sync x86's msr-index.h copy with the kernel sources, resulting
> in new MSRs to be usable in filter expressions in 'perf trace',
> such as IA32_TSX_CTRL.
>
> - Sync linux/fscrypt.h, linux/stat.h, sched.h and the kvm headers.
>
> perf trace:
>
> Arnaldo Carvalho de Melo:
>
> - Add CLEAR_SIGHAND support for clone's flags arg
>
> perf kvm:
>
> Arnaldo Carvalho de Melo:
>
> - Clarify the 'perf kvm' -i and -o command line options
>
> perf test:
>
> Ian Rogers:
>
> - Move test functionality in to a 'perf test' entry.
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Andi Kleen (10):
> perf cpumap: Maintain cpumaps ordered and without dups
> perf evlist: Maintain evlist->all_cpus
> perf evsel: Add iterator to iterate over events ordered by CPU
> perf evsel: Add functions to close evsel on a CPU
> perf stat: Use affinity for closing file descriptors
> perf stat: Factor out open error handling
> perf stat: Use affinity for opening events
> perf stat: Use affinity for reading
> perf evsel: Add functions to enable/disable for a specific CPU
> perf stat: Use affinity for enabling/disabling events
>
> Arnaldo Carvalho de Melo (10):
> perf machine: Fill map_symbol->maps in append_inlines() to fix segfault
> perf bench: Update the copies of x86's mem{cpy,set}_64.S
> tools arch x86: Sync the msr-index.h copy with the kernel sources
> tools headers uapi: Sync linux/fscrypt.h with the kernel sources
> tools headers uapi: Sync linux/stat.h with the kernel sources
> tools headers kvm: Sync kvm headers with the kernel sources
> tools headers UAPI: Sync sched.h with the kernel
> perf beauty: Add CLEAR_SIGHAND support for clone's flags arg
> tools arch x86: Sync asm/cpufeatures.h with the kernel sources
> perf kvm: Clarify the 'perf kvm' -i and -o command line options
>
> Ian Rogers (1):
> perf jit: Move test functionality in to a test
>
> Sudip Mukherjee (2):
> libtraceevent: Fix lib installation with O=
> libtraceevent: Copy pkg-config file to output folder when using O=
>
> tools/arch/arm/include/uapi/asm/kvm.h | 3 +-
> tools/arch/arm64/include/uapi/asm/kvm.h | 5 +-
> tools/arch/powerpc/include/uapi/asm/kvm.h | 3 +
> tools/arch/x86/include/asm/cpufeatures.h | 3 +
> tools/arch/x86/include/asm/msr-index.h | 18 ++
> tools/arch/x86/lib/memcpy_64.S | 20 +--
> tools/arch/x86/lib/memset_64.S | 16 +-
> tools/include/uapi/linux/fscrypt.h | 3 +-
> tools/include/uapi/linux/kvm.h | 11 ++
> tools/include/uapi/linux/sched.h | 60 +++++--
> tools/include/uapi/linux/stat.h | 2 +-
> tools/lib/traceevent/Makefile | 6 +-
> tools/perf/Documentation/perf-kvm.txt | 5 +-
> tools/perf/arch/arm/tests/regs_load.S | 4 +-
> tools/perf/arch/arm64/tests/regs_load.S | 4 +-
> tools/perf/arch/x86/tests/regs_load.S | 8 +-
> tools/perf/builtin-record.c | 2 +-
> tools/perf/builtin-stat.c | 288 +++++++++++++++++++++---------
> tools/perf/check-headers.sh | 4 +-
> tools/perf/lib/cpumap.c | 73 +++++++-
> tools/perf/lib/evlist.c | 1 +
> tools/perf/lib/evsel.c | 76 ++++++--
> tools/perf/lib/include/internal/evlist.h | 1 +
> tools/perf/lib/include/perf/cpumap.h | 2 +
> tools/perf/lib/include/perf/evsel.h | 3 +
> tools/perf/tests/Build | 1 +
> tools/perf/tests/builtin-test.c | 9 +
> tools/perf/tests/cpumap.c | 16 ++
> tools/perf/tests/event-times.c | 4 +-
> tools/perf/tests/genelf.c | 51 ++++++
> tools/perf/tests/tests.h | 2 +
> tools/perf/trace/beauty/clone.c | 1 +
> tools/perf/util/cpumap.h | 1 +
> tools/perf/util/evlist.c | 113 +++++++++++-
> tools/perf/util/evlist.h | 11 +-
> tools/perf/util/evsel.c | 35 +++-
> tools/perf/util/evsel.h | 9 +-
> tools/perf/util/genelf.c | 46 -----
> tools/perf/util/include/linux/linkage.h | 89 ++++++++-
> tools/perf/util/machine.c | 1 +
> tools/perf/util/stat.c | 5 +-
> tools/perf/util/stat.h | 3 +-
> 42 files changed, 789 insertions(+), 229 deletions(-)
> create mode 100644 tools/perf/tests/genelf.c

Pulled, thanks a lot Arnaldo!

Ingo