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    SubjectRe: [GIT PULL 00/28] perf/core improvements and fixes

    * Arnaldo Carvalho de Melo <acme@kernel.org> wrote:

    > Hi Ingo,
    >
    > Please consider pulling, some from before the trip to Vancouver,
    > some that were more easy to process before I continue with the backlog.
    > Took a bit more time than I antecipated due to fixing build breakage in
    > various places due to multiple patches. This has tip/perf/urgent
    > merged.
    >
    > - Arnaldo
    >
    > Test results at the end of this message, as usual.
    >
    > The following changes since commit b1a9d7b0190119dad5b9b7841751b5a7586bbc8b:
    >
    > Merge tag 'perf-urgent-for-mingo-4.20-20181121' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2018-11-21 15:57:21 +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-4.21-20181122
    >
    > for you to fetch changes up to f4a0742b3cc1d03b2ff448017b8c714a77e5a261:
    >
    > perf pmu: Move *_cpuid_str() weak functions to header.c (2018-11-21 22:39:59 -0300)
    >
    > ----------------------------------------------------------------
    > perf/core improvements and fixes:
    >
    > - Start using BPF maps in 'perf trace' for filters in the augmented syscalls
    > code, keeping the existing code for tracepoint filters so that we can switch
    > back and forth while getting everything BPFied (Arnaldo Carvalho de Melo)
    >
    > - Suppress potential format-truncation warning in the PMU code (Ben Hutchings)
    >
    > - Introduce 'perf bench epoll', with "wait" and "ctl" benchmarks (Davidlohr Bueso)
    >
    > - Fix slowness due to -ffunction-section, do it by sorting the maps by name, so
    > avoiding the using rb_first/next to traverse all entries looking for a map name,
    > that with --ffunction-section gets to thousands of maps (Eric Saint-Etienne)
    >
    > - Separate jvmti cmlr check (Jiri Olsa)
    >
    > - Allow using the stepping when figuring out which JSON files to use for a x86
    > processor, so that Cascadelake server can be support, which has the same
    > cpuid as some other processor, being different only in the stepping (Kan Liang)
    >
    > - Share code and output format for uregs and iregs 'perf script' output (Milian Wolff)
    >
    > - Use perf_evsel__is_clocki() for clock events in 'perf stat' (Ravi Bangoria)
    >
    > Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    >
    > ----------------------------------------------------------------
    > Arnaldo Carvalho de Melo (15):
    > perf bpf: Add unistd.h to the headers accessible to bpf proggies
    > perf augmented_syscalls: Filter on a hard coded pid
    > perf augmented_syscalls: Remove needless linux/socket.h include
    > perf bpf: Add defines for map insertion/lookup
    > perf bpf: Add simple pid_filter class accessible to BPF proggies
    > perf augmented_syscalls: Drop 'write', 'poll' for testing without self pid filter
    > perf augmented_syscalls: Use pid_filter
    > perf evlist: Rename perf_evlist__set_filter* to perf_evlist__set_tp_filter*
    > perf trace: Add "_from_option" suffix to trace__set_filter()
    > perf trace: See if there is a map named "filtered_pids"
    > perf trace: Fill in BPF "filtered_pids" map when present
    > perf augmented_syscalls: Remove example hardcoded set of filtered pids
    > Revert "perf augmented_syscalls: Drop 'write', 'poll' for testing without self pid filter"
    > perf bpf: Reduce the hardcoded .max_entries for pid_maps
    > tools build feature: Check if eventfd() is available
    >
    > Ben Hutchings (1):
    > perf pmu: Suppress potential format-truncation warning
    >
    > Davidlohr Bueso (3):
    > perf bench: Move HAVE_PTHREAD_ATTR_SETAFFINITY_NP into bench.h
    > perf bench: Add epoll parallel epoll_wait benchmark
    > perf bench: Add epoll_ctl(2) benchmark
    >
    > Eric Saint-Etienne (1):
    > perf symbols: Fix slowness due to -ffunction-section
    >
    > Jiri Olsa (1):
    > perf jvmti: Separate jvmti cmlr check
    >
    > Kan Liang (3):
    > perf vendor events: Add stepping in CPUID string for x86
    > perf vendor events: Add JSON metrics for Cascadelake server
    > perf pmu: Move *_cpuid_str() weak functions to header.c
    >
    > Milian Wolff (2):
    > perf script: Add newline after uregs output
    > perf script: Share code and output format for uregs and iregs output
    >
    > Pu Wen (1):
    > perf tools: Add Hygon Dhyana support
    >
    > Ravi Bangoria (1):
    > perf stat: Use perf_evsel__is_clocki() for clock events
    >
    > tools/build/Makefile.feature | 1 +
    > tools/build/feature/Makefile | 8 +
    > tools/build/feature/test-all.c | 5 +
    > tools/build/feature/test-eventfd.c | 9 +
    > tools/build/feature/test-jvmti-cmlr.c | 11 +
    > tools/build/feature/test-jvmti.c | 1 -
    > tools/perf/Documentation/perf-bench.txt | 10 +
    > tools/perf/Makefile.config | 12 +-
    > tools/perf/Makefile.perf | 3 +
    > tools/perf/arch/x86/util/header.c | 66 +-
    > tools/perf/arch/x86/util/kvm-stat.c | 2 +-
    > tools/perf/bench/Build | 3 +
    > tools/perf/bench/bench.h | 14 +
    > tools/perf/bench/epoll-ctl.c | 413 +
    > tools/perf/bench/epoll-wait.c | 540 +
    > tools/perf/bench/futex.h | 12 -
    > tools/perf/builtin-bench.c | 13 +
    > tools/perf/builtin-script.c | 38 +-
    > tools/perf/builtin-trace.c | 92 +-
    > tools/perf/examples/bpf/augmented_raw_syscalls.c | 10 +-
    > tools/perf/include/bpf/bpf.h | 19 +
    > tools/perf/include/bpf/pid_filter.h | 21 +
    > tools/perf/include/bpf/unistd.h | 10 +
    > tools/perf/jvmti/libjvmti.c | 12 +
    > .../pmu-events/arch/x86/cascadelakex/cache.json | 10172 +++++++++++++++++++
    > .../arch/x86/cascadelakex/clx-metrics.json | 164 +
    > .../arch/x86/cascadelakex/floating-point.json | 85 +
    > .../pmu-events/arch/x86/cascadelakex/frontend.json | 482 +
    > .../pmu-events/arch/x86/cascadelakex/memory.json | 9909 ++++++++++++++++++
    > .../pmu-events/arch/x86/cascadelakex/other.json | 8908 ++++++++++++++++
    > .../pmu-events/arch/x86/cascadelakex/pipeline.json | 969 ++
    > .../arch/x86/cascadelakex/uncore-memory.json | 117 +
    > .../arch/x86/cascadelakex/uncore-other.json | 255 +
    > .../arch/x86/cascadelakex/virtual-memory.json | 285 +
    > tools/perf/pmu-events/arch/x86/mapfile.csv | 3 +-
    > tools/perf/util/evlist.c | 10 +-
    > tools/perf/util/evlist.h | 6 +-
    > tools/perf/util/header.c | 39 +
    > tools/perf/util/map.c | 27 +
    > tools/perf/util/map.h | 2 +
    > tools/perf/util/pmu.c | 47 +-
    > tools/perf/util/stat-shadow.c | 3 +-
    > tools/perf/util/symbol.c | 15 +-
    > 43 files changed, 32711 insertions(+), 112 deletions(-)
    > create mode 100644 tools/build/feature/test-eventfd.c
    > create mode 100644 tools/build/feature/test-jvmti-cmlr.c
    > create mode 100644 tools/perf/bench/epoll-ctl.c
    > create mode 100644 tools/perf/bench/epoll-wait.c
    > create mode 100644 tools/perf/include/bpf/pid_filter.h
    > create mode 100644 tools/perf/include/bpf/unistd.h
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/cache.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/clx-metrics.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/floating-point.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/frontend.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/memory.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/other.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/pipeline.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/uncore-memory.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/uncore-other.json
    > create mode 100644 tools/perf/pmu-events/arch/x86/cascadelakex/virtual-memory.json

    Pulled, thanks a lot Arnaldo!

    Ingo

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