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

Ingo Molnar
2018-11-22T06:54:15Z

* 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