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Date: Wed, 14 Feb 2018 10:41:55 -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,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>,
Andriy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>,
Jin Yao <yao.jin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>, Kan Liang <kan.liang@...el.com>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Sangwon Hong <qpakzk@...il.com>,
Taeung Song <treeze.taeung@...il.com>,
Thomas Richter <tmricht@...ux.vnet.ibm.com>,
Wang Nan <wangnan0@...wei.com>,
William Cohen <wcohen@...hat.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH] tools/headers: Synchronize kernel ABI headers, v4.16-rc1
Em Tue, Feb 13, 2018 at 12:59:53PM +0100, Ingo Molnar escreveu:
>
> * Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
>
> > Hi Ingo,
> >
> > Please consider pulling,
> >
> > - Arnaldo
> >
> > Test results at the end of this message, as usual.
> >
> > The following changes since commit 33ea4b24277b06dbc55d7f5772a46f029600255e:
> >
> > perf/core: Implement the 'perf_uprobe' PMU (2018-02-06 11:29:28 +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-4.17-20180206
> >
> > for you to fetch changes up to 52a37001d51a320c1019269fb3ba473a1363650d:
> >
> > perf test: Fix test trace+probe_libc_inet_pton.sh for s390x (2018-02-06 10:46:58 -0300)
> >
> > ----------------------------------------------------------------
> > perf/core improvements and fixes:
> >
> > - perf_mmap overwrite mode overhaul, prep work to get 'perf top'
> > using it, making it bearable to use it in large core count systems
> > such as Knights Landing/Mill Intel systems (Kan Liang)
> >
> > - Add perf vendor JSON metrics for ARM Cortex-A53 Processor (William Cohen)
> >
> > - Use strtoull() instead of home grown function (Andy Shevchenko)
> >
> > - Document missing 'perf data --force' option (Sangwon Hong)
> >
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> >
> > ----------------------------------------------------------------
> > Andy Shevchenko (1):
> > perf tools: Substitute yet another strtoull()
> >
> > Arnaldo Carvalho de Melo (1):
> > perf evsel: Expose the perf_missing_features struct
> >
> > Kan Liang (16):
> > perf evlist: Remove stale mmap read for backward
> > perf mmap: Recalculate size for overwrite mode
> > perf mmap: Cleanup perf_mmap__push()
> > perf mmap: Introduce perf_mmap__read_init()
> > perf mmap: Add new return value logic for perf_mmap__read_init()
> > perf mmap: Discard 'prev' in perf_mmap__read()
> > perf mmap: Introduce perf_mmap__read_done()
> > perf mmap: Introduce perf_mmap__read_event()
> > perf test: Update mmap read functions for backward-ring-buffer test
> > perf mmap: Discard legacy interface for mmap read
> > perf top: Check per-event overwrite term
> > perf top: Add overwrite fall back
> > perf hists browser: Add parameter to disable lost event warning
> > perf top: Remove lost events checking
> > perf top: Switch default mode to overwrite mode
> > perf top: Check the latency of perf_top__mmap_read()
> >
> > Sangwon Hong (1):
> > perf data: Document missing --force option
> >
> > Thomas Richter (1):
> > perf test: Fix test trace+probe_libc_inet_pton.sh for s390x
> >
> > William Cohen (1):
> > perf vendor events aarch64: Add JSON metrics for ARM Cortex-A53 Processor
> >
> > tools/perf/Documentation/perf-data.txt | 4 +
> > tools/perf/builtin-c2c.c | 4 +-
> > tools/perf/builtin-report.c | 3 +-
> > tools/perf/builtin-top.c | 150 ++++++++++++++++++++-
> > .../pmu-events/arch/arm64/cortex-a53/branch.json | 27 ++++
> > .../perf/pmu-events/arch/arm64/cortex-a53/bus.json | 22 +++
> > .../pmu-events/arch/arm64/cortex-a53/cache.json | 27 ++++
> > .../pmu-events/arch/arm64/cortex-a53/memory.json | 22 +++
> > .../pmu-events/arch/arm64/cortex-a53/other.json | 32 +++++
> > .../pmu-events/arch/arm64/cortex-a53/pipeline.json | 52 +++++++
> > tools/perf/pmu-events/arch/arm64/mapfile.csv | 1 +
> > tools/perf/tests/backward-ring-buffer.c | 7 +-
> > .../perf/tests/shell/trace+probe_libc_inet_pton.sh | 23 +++-
> > tools/perf/ui/browsers/hists.c | 38 ++++--
> > tools/perf/ui/browsers/hists.h | 3 +-
> > tools/perf/util/evlist.c | 17 ---
> > tools/perf/util/evlist.h | 4 -
> > tools/perf/util/evsel.c | 12 +-
> > tools/perf/util/evsel.h | 14 ++
> > tools/perf/util/hist.h | 6 +-
> > tools/perf/util/mmap.c | 141 ++++++++++---------
> > tools/perf/util/mmap.h | 10 +-
> > tools/perf/util/util.c | 24 +---
> > 23 files changed, 492 insertions(+), 151 deletions(-)
> > create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/branch.json
> > create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/bus.json
> > create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/cache.json
> > create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/memory.json
> > create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/other.json
> > create mode 100644 tools/perf/pmu-events/arch/arm64/cortex-a53/pipeline.json
>
> Pulled into tip:perf/urgent, thanks a lot Arnaldo!
>
> Note, I also performed a header sync with v4.16-rc1, see the patch below.
>
> The only exception is:
>
> Warning: Kernel ABI header at 'tools/arch/s390/include/uapi/asm/unistd.h' differs from latest version at 'arch/s390/include/uapi/asm/unistd.h'
>
> ... which I'm unsure how to resolve: the new upstream header includes unistd_64.h,
> but neither s390 nor asm-generic has no such a file.
There is a patch for that from Hendrik, IIRC, I'll merge it. They worked
on making the syscall table generation process to be similar to the one
used in x86_64 after being exposed to it by means of how 'perf trace'
creates its id->string syscall tables.
- Arnaldo
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