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Date: Fri, 22 Sep 2017 18:26:13 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
Adrian Hunter <adrian.hunter@...el.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>,
David Ahern <dsahern@...il.com>,
Fenghua Yu <fenghua.yu@...el.com>,
Jiri Olsa <jolsa@...hat.com>, Kan Liang <kan.liang@...el.com>,
Li Zhijian <lizhijian@...fujitsu.com>,
Lukasz Odzioba <lukasz.odzioba@...el.com>,
Martin Kepplinger <martink@...teo.de>,
Matt Fleming <matt@...eblueprint.co.uk>,
Mike Kravetz <mike.kravetz@...cle.com>,
Namhyung Kim <namhyung@...nel.org>,
Pei P Jia <pei.p.jia@...el.com>,
Peter Zijlstra <peterz@...radead.org>,
Philip Li <philip.li@...el.com>,
Rik van Riel <riel@...hat.com>,
Taeung Song <treeze.taeung@...il.com>,
Tony Luck <tony.luck@...el.com>,
Vikas Shivappa <vikas.shivappa@...ux.intel.com>,
Wang Nan <wangnan0@...wei.com>,
Xiaochen Shen <xiaochen.shen@...el.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 00/44] perf/core improvements and fixes
* Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
>
> The following changes since commit b130a699c07155a1d6ef7d971a5f3bf0e3818d5a:
>
> Merge tag 'perf-urgent-for-mingo-4.14-20170912' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2017-09-13 09:25:10 +0200)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-4.15-20170922
>
> for you to fetch changes up to 0a7c74eae307894c6c95316c382f118aef8481e8:
>
> perf tools: Provide mutex wrappers for pthreads rwlocks (2017-09-21 13:28:06 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> - Support direct --user-regs arguments in 'perf record', previously the
> only way to sample PERF_SAMPLE_REGS_USER was implicitly selecting it
> when recording callchains (Andi Kleen)
>
> - Support showing sampled user regs in 'perf script' (Andi Kleen)
>
> - Introduce the concept of weak groups in 'perf stat': try to set up a
> group, but if it's not schedulable fallback to not using a group. That
> gives us the best of both worlds: groups if they work, but still a
> usable fallback if they don't. E.g: (Andi Kleen)
>
> % perf stat -e '{branches,branch-misses,l1d.replacement,l2_lines_in.all,l2_rqsts.all_code_rd}:W' -a sleep 1
>
> 125,366,055 branches (80.02%)
> 9,208,402 branch-misses # 7.35% of all branches (80.01%)
> 24,560,249 l1d.replacement (80.00%)
> 43,174,971 l2_lines_in.all (80.05%)
> 31,891,457 l2_rqsts.all_code_rd (79.92%)
>
> - Support metrics in 'stat' and 'list'. A metric is a formula that
> uses multiple events to compute a higher level result (e.g. IPC). (Andi Kleen)
>
> - Add Intel processors vendor event metrics JSON files (Andi Kleen)
>
> - Add 'pid' and 'tid' options to 'perf sched timehist' (David Ahern)
>
> - Generate 'behavior' string table from kernel headers, helps getting
> new parameters when synchronizing kernel headers, like MADV_WIPEONFORK
> and MADV_KEEPONFORK, that are now beautied (Arnaldo Carvalho de Melo)
>
> - Improve TUI progress bar by showing how many bytes from a total were
> processed (Jiri Olsa)
>
> - Use scandir() to replace readdir(), prep work to have the synthesizing
> of PERF_RECORD_ entries for existing threads be multithreaded, making
> 'perf top' bearable on high core count systems such as Intel's Knights
> Landing/Mill (Kan Liang)
>
> - Allow creating a ~/.perfconfig file when setting a variable to its
> default value, previously it would bail out and not write such a
> file (Taeung Song)
>
> - Introduce wrapper for allowing purely single threaded apps to avoid
> the costs of locking (Arnaldo Carvalho de Melo)
>
> - Introduce hashtable to reduce the cost of thread lookup
>
> - Fix build C++ build wrt poison.h using void pointer arithmetic,
> affects only the embedded clang/llvm case, that is disabled by
> default (Arnaldo Carvalho de Melo)
>
> - Fix leaking rec_argv in error cases (Martin Kepplinger)
>
> - Remove Intel CQM perf test, that infrastructure was nuked (Xiaochen Shen)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
>
> ----------------------------------------------------------------
> Andi Kleen (27):
> perf tools: Support weak groups in 'perf stat'
> perf vendor events: Support metric_group and no event name in JSON parser
> perf stat: Factor out generic metric printing
> perf stat: Print generic metric header even for failed expressions
> perf pmu: Extract function to get JSON alias map
> perf stat: Support JSON metrics in perf stat
> perf list: Add metric groups to perf list
> perf stat: Don't use ctx for saved values lookup
> perf stat: Support duration_time for metrics
> perf stat: Hide internal duration_time counter
> perf stat: Update walltime_nsecs_stats in interval mode
> perf record: Support direct --user-regs arguments
> perf script: Support user regs
> perf stat: Fall weak group back even for EBADF
> perf vendor events: Add JSON metrics for Broadwell
> perf vendor events: Add JSON metrics for Skylake
> perf vendor events: Add JSON metrics for Sandy Bridge
> perf vendor events: Add JSON metrics for Sandy Bridge EP
> perf vendor events: Add JSON metrics for Ivy Bridge
> perf vendor events: Add JSON metrics for Haswell
> perf vendor events: Add JSON metrics for Ivy Town
> perf vendor events: Add JSON metrics for Haswell EP
> perf vendor events: Add JSON metrics for Broadwell Server
> perf vendor events: Add JSON metrics for Broadwell DE
> perf vendor events: Add JSON metrics for Skylake server
> perf pmu: Improve error messages for missing PMUs
> perf stat: Fix adding multiple event groups
>
> Arnaldo Carvalho de Melo (7):
> perf tools: Make copyfile_offset() static
> perf machine: Optimize a bit the machine__findnew_thread() methods
> perf trace beauty madvise: Generate 'behavior' string table from kernel headers
> tools: Update asm-generic/mman-common.h copy from the kernel
> perf tools: Get all of tools/{arch,include}/ in the MANIFEST
> tools include: Do not use poison with C++
> perf tools: Provide mutex wrappers for pthreads rwlocks
>
> David Ahern (1):
> perf sched timehist: Add pid and tid options
>
> Jiri Olsa (3):
> perf tools: Add python-clean target
> perf ui progress: Add ui specific init function
> perf ui progress: Add size info into progress bar
>
> Kan Liang (2):
> perf tools: Use scandir() to replace readdir()
> perf machine: Use hashtable for machine threads
>
> Martin Kepplinger (1):
> perf tools: Fix leaking rec_argv in error cases
>
> Taeung Song (2):
> perf config: Write a config file just once
> perf config: Allow creating empty config set for config file autogeneration
>
> Xiaochen Shen (1):
> perf tests: Remove Intel CQM perf test
>
> tools/include/linux/poison.h | 5 +
> tools/include/uapi/asm-generic/mman-common.h | 14 +-
> tools/perf/Documentation/perf-list.txt | 9 +-
> tools/perf/Documentation/perf-record.txt | 2 +
> tools/perf/Documentation/perf-sched.txt | 8 +
> tools/perf/Documentation/perf-script.txt | 4 +-
> tools/perf/Documentation/perf-stat.txt | 7 +
> tools/perf/MANIFEST | 87 +---
> tools/perf/Makefile.perf | 17 +-
> tools/perf/arch/x86/include/arch-tests.h | 1 -
> tools/perf/arch/x86/tests/Build | 1 -
> tools/perf/arch/x86/tests/arch-tests.c | 4 -
> tools/perf/arch/x86/tests/intel-cqm.c | 127 ------
> tools/perf/builtin-c2c.c | 1 +
> tools/perf/builtin-config.c | 22 +-
> tools/perf/builtin-kvm.c | 1 -
> tools/perf/builtin-list.c | 7 +
> tools/perf/builtin-mem.c | 1 +
> tools/perf/builtin-record.c | 3 +
> tools/perf/builtin-sched.c | 4 +
> tools/perf/builtin-script.c | 32 +-
> tools/perf/builtin-stat.c | 82 +++-
> tools/perf/builtin-timechart.c | 4 +-
> tools/perf/builtin-trace.c | 20 +-
> tools/perf/perf.h | 1 +
> .../pmu-events/arch/x86/broadwell/bdw-metrics.json | 164 +++++++
> .../arch/x86/broadwellde/bdwde-metrics.json | 164 +++++++
> .../arch/x86/broadwellx/bdx-metrics.json | 164 +++++++
> .../pmu-events/arch/x86/haswell/hsw-metrics.json | 158 +++++++
> .../pmu-events/arch/x86/haswellx/hsx-metrics.json | 158 +++++++
> .../pmu-events/arch/x86/ivybridge/ivb-metrics.json | 164 +++++++
> .../pmu-events/arch/x86/ivytown/ivt-metrics.json | 164 +++++++
> .../pmu-events/arch/x86/jaketown/jkt-metrics.json | 140 ++++++
> .../arch/x86/sandybridge/snb-metrics.json | 140 ++++++
> .../pmu-events/arch/x86/skylake/skl-metrics.json | 164 +++++++
> .../pmu-events/arch/x86/skylakex/skx-metrics.json | 182 ++++++++
> tools/perf/pmu-events/jevents.c | 24 +-
> tools/perf/pmu-events/jevents.h | 2 +-
> tools/perf/pmu-events/pmu-events.h | 1 +
> tools/perf/tests/builtin-test.c | 1 +
> tools/perf/trace/beauty/madvise_behavior.sh | 10 +
> tools/perf/trace/beauty/mmap.c | 38 +-
> tools/perf/ui/progress.c | 6 +-
> tools/perf/ui/progress.h | 12 +-
> tools/perf/ui/tui/progress.c | 32 +-
> tools/perf/util/Build | 2 +
> tools/perf/util/config.c | 5 +-
> tools/perf/util/data.c | 1 +
> tools/perf/util/dso.c | 13 +-
> tools/perf/util/dso.h | 4 +-
> tools/perf/util/event.c | 46 +-
> tools/perf/util/evlist.h | 1 +
> tools/perf/util/evsel.c | 7 +-
> tools/perf/util/evsel.h | 1 +
> tools/perf/util/machine.c | 155 ++++---
> tools/perf/util/machine.h | 24 +-
> tools/perf/util/map.c | 34 +-
> tools/perf/util/map.h | 3 +-
> tools/perf/util/metricgroup.c | 490 +++++++++++++++++++++
> tools/perf/util/metricgroup.h | 31 ++
> tools/perf/util/namespaces.c | 1 +
> tools/perf/util/parse-events.c | 29 +-
> tools/perf/util/parse-events.h | 3 +
> tools/perf/util/parse-events.l | 3 +-
> tools/perf/util/pmu.c | 55 ++-
> tools/perf/util/pmu.h | 2 +
> tools/perf/util/probe-file.c | 1 +
> tools/perf/util/rb_resort.h | 5 +-
> tools/perf/util/rwsem.c | 32 ++
> tools/perf/util/rwsem.h | 19 +
> tools/perf/util/session.c | 2 +-
> tools/perf/util/stat-shadow.c | 110 +++--
> tools/perf/util/stat.h | 4 +-
> tools/perf/util/symbol.c | 8 +-
> tools/perf/util/thread.c | 4 +-
> tools/perf/util/trace-event-info.c | 1 -
> tools/perf/util/trace-event-read.c | 1 -
> tools/perf/util/util.c | 16 +-
> tools/perf/util/util.h | 7 +-
> tools/perf/util/vdso.c | 4 +-
> tools/perf/util/zlib.c | 1 +
> 81 files changed, 2988 insertions(+), 489 deletions(-)
> delete mode 100644 tools/perf/arch/x86/tests/intel-cqm.c
> create mode 100644 tools/perf/pmu-events/arch/x86/broadwell/bdw-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/broadwellde/bdwde-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/broadwellx/bdx-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/haswell/hsw-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/haswellx/hsx-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/ivybridge/ivb-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/ivytown/ivt-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/jaketown/jkt-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/sandybridge/snb-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/skylake/skl-metrics.json
> create mode 100644 tools/perf/pmu-events/arch/x86/skylakex/skx-metrics.json
> create mode 100755 tools/perf/trace/beauty/madvise_behavior.sh
> create mode 100644 tools/perf/util/metricgroup.c
> create mode 100644 tools/perf/util/metricgroup.h
> create mode 100644 tools/perf/util/rwsem.c
> create mode 100644 tools/perf/util/rwsem.h
Pulled, thanks a lot Arnaldo!
Ingo
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