Re: [GIT PULL 00/19] perf/core improvements and fixes

From: Ingo Molnar
Date: Fri Dec 02 2016 - 04:10:58 EST



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

> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> Test results at the end of this message, as usual.
>
> The following changes since commit 2471cece40d61b0035360338569d338f9dea6099:
>
> Merge tag 'perf-core-for-mingo-20161125' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-11-25 18:12:41 +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-20161201
>
> for you to fetch changes up to 0fcb1da4aba6e6c7b32de5e0948b740b31ad822d:
>
> perf annotate: AArch64 support (2016-12-01 13:03:19 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New features:
>
> - Support AArch64 in the 'annotate' code, native/local and
> cross-arch/remote (Kim Phillips)
>
> - Allow considering just events in a given time interval, via the
> '--time start.s.ms,end.s.ms' command line, added to 'perf kmem',
> 'perf report', 'perf sched timehist' and 'perf script' (David Ahern)
>
> - Add option to stop printing a callchain at one of a given group of
> symbol names (David Ahern)
>
> - Handle cpu migration events in 'perf sched timehist' (David Ahern)
>
> - Track memory freed in 'perf kmem stat' (David Ahern)
>
> Infrastructure:
>
> - Initial support (and perf test entry) for tooling hooks, starting with
> 'record_start' and 'record_end', that will have as its initial user the
> eBPF infrastructure, where perf_ prefixed functions will be JITed and
> run when such hooks are called (Wang Nan)
>
> - Remove redundant "test" and similar strings from 'perf test' descriptions
> (Arnaldo Carvalho de Melo)
>
> - libbpf assorted improvements (Wang Nan)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (3):
> perf ui helpline: Provide a printf variant
> perf annotate: Show invalid jump offset in error message
> perf test: Remove "test" and similar strings from test descriptions
>
> David Ahern (10):
> perf sched timehist: Handle cpu migration events
> perf trace: Update tid/pid filtering option to leverage symbol_conf
> perf kmem stat: Track memory freed
> perf script: Add option to stop printing callchain
> perf tools: Add time-based utility functions
> perf tools: Move parse_nsec_time to time-utils.c
> perf script: Add option to specify time window of interest
> perf sched timehist: Add option to specify time window of interest
> perf kmem: Add option to specify time window of interest
> perf report: Add option to specify time window of interest
>
> Kim Phillips (2):
> perf annotate: Use arch->objdump.comment_char in dec__parse()
> perf annotate: AArch64 support
>
> Wang Nan (4):
> tools lib bpf: Add missing BPF functions
> tools lib bpf: Add private field for bpf_object
> tools lib bpf: Retrive bpf_map through offset of bpf_map_def
> perf tools: Introduce perf hooks
>
> tools/lib/bpf/bpf.c | 56 ++++++++++
> tools/lib/bpf/bpf.h | 7 ++
> tools/lib/bpf/libbpf.c | 35 ++++++
> tools/lib/bpf/libbpf.h | 13 +++
> tools/perf/Documentation/perf-kmem.txt | 7 ++
> tools/perf/Documentation/perf-report.txt | 7 ++
> tools/perf/Documentation/perf-sched.txt | 12 +++
> tools/perf/Documentation/perf-script.txt | 10 ++
> tools/perf/arch/arm64/annotate/instructions.c | 62 +++++++++++
> tools/perf/arch/x86/tests/arch-tests.c | 10 +-
> tools/perf/builtin-kmem.c | 36 ++++++-
> tools/perf/builtin-record.c | 11 ++
> tools/perf/builtin-report.c | 14 ++-
> tools/perf/builtin-sched.c | 148 ++++++++++++++++++++++++--
> tools/perf/builtin-script.c | 17 ++-
> tools/perf/builtin-trace.c | 49 ++-------
> tools/perf/tests/Build | 1 +
> tools/perf/tests/bpf.c | 6 +-
> tools/perf/tests/builtin-test.c | 96 +++++++++--------
> tools/perf/tests/llvm.c | 8 +-
> tools/perf/tests/perf-hooks.c | 44 ++++++++
> tools/perf/tests/tests.h | 1 +
> tools/perf/ui/browsers/annotate.c | 6 +-
> tools/perf/ui/helpline.c | 10 ++
> tools/perf/ui/helpline.h | 1 +
> tools/perf/util/Build | 3 +
> tools/perf/util/annotate.c | 7 +-
> tools/perf/util/evsel_fprintf.c | 8 ++
> tools/perf/util/perf-hooks-list.h | 3 +
> tools/perf/util/perf-hooks.c | 84 +++++++++++++++
> tools/perf/util/perf-hooks.h | 37 +++++++
> tools/perf/util/symbol.c | 8 ++
> tools/perf/util/symbol.h | 6 +-
> tools/perf/util/time-utils.c | 119 +++++++++++++++++++++
> tools/perf/util/time-utils.h | 14 +++
> tools/perf/util/util.c | 33 ------
> tools/perf/util/util.h | 2 -
> 37 files changed, 842 insertions(+), 149 deletions(-)
> create mode 100644 tools/perf/arch/arm64/annotate/instructions.c
> create mode 100644 tools/perf/tests/perf-hooks.c
> create mode 100644 tools/perf/util/perf-hooks-list.h
> create mode 100644 tools/perf/util/perf-hooks.c
> create mode 100644 tools/perf/util/perf-hooks.h
> create mode 100644 tools/perf/util/time-utils.c
> create mode 100644 tools/perf/util/time-utils.h
>
> # uname -a
> Linux jouet 4.8.8-300.fc25.x86_64 #1 SMP Tue Nov 15 18:10:06 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
> # perf test
> 1: vmlinux symtab matches kallsyms : Ok
> 2: Detect openat syscall event : Ok
> 3: Detect openat syscall event on all cpus : Ok
> 4: Read samples using the mmap interface : Ok
> 5: Parse event definition strings : Ok
> 6: PERF_RECORD_* events & perf_sample fields : Ok
> 7: Parse perf pmu format : Ok
> 8: DSO data read : Ok
> 9: DSO data cache : Ok
> 10: DSO data reopen : Ok
> 11: Roundtrip evsel->name : Ok
> 12: Parse sched tracepoints fields : Ok
> 13: syscalls:sys_enter_openat event fields : Ok
> 14: Setup struct perf_event_attr : Ok
> 15: Match and link multiple hists : Ok
> 16: 'import perf' in python : Ok
> 17: Breakpoint overflow signal handler : Ok
> 18: Breakpoint overflow sampling : Ok
> 19: Number of exit events of a simple workload : Ok
> 20: Software clock events period values : Ok
> 21: Object code reading : Ok
> 22: Sample parsing : Ok
> 23: Use a dummy software event to keep tracking: Ok
> 24: Parse with no sample_id_all bit set : Ok
> 25: Filter hist entries : Ok
> 26: Lookup mmap thread : Ok
> 27: Share thread mg : Ok
> 28: Sort output of hist entries : Ok
> 29: Cumulate child hist entries : Ok
> 30: Track with sched_switch : Ok
> 31: Filter fds with revents mask in a fdarray : Ok
> 32: Add fd to a fdarray, making it autogrow : Ok
> 33: kmod_path__parse : Ok
> 34: Thread map : Ok
> 35: LLVM search and compile :
> 35.1: Basic BPF llvm compile : Ok
> 35.2: kbuild searching : Ok
> 35.3: Compile source for BPF prologue generation: Ok
> 35.4: Compile source for BPF relocation : Ok
> 36: Session topology : Ok
> 37: BPF filter :
> 37.1: Basic BPF filtering : Ok
> 37.2: BPF prologue generation : Ok
> 37.3: BPF relocation checker : Ok
> 38: Synthesize thread map : Ok
> 39: Synthesize cpu map : Ok
> 40: Synthesize stat config : Ok
> 41: Synthesize stat : Ok
> 42: Synthesize stat round : Ok
> 43: Synthesize attr update : Ok
> 44: Event times : Ok
> 45: Read backward ring buffer : Ok
> 46: Print cpu map : Ok
> 47: Probe SDT events : Ok
> 48: is_printable_array : Ok
> 49: Print bitmap : Ok
> 50: perf hooks : Ok
> 51: x86 rdpmc : Ok
> 52: Convert perf time to TSC : Ok
> 53: DWARF unwind : Ok
> 54: x86 instruction decoder - new instructions : Ok
> 55: Intel cqm nmi context read : Skip
> #
> # uname -a
> Linux zoo 4.7.3-200.fc24.x86_64 #1 SMP Wed Sep 7 17:31:21 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
> # dm
> 1 alpine:3.4: Ok
> 2 android-ndk:r12b-arm: Ok
> 3 archlinux:latest: Ok
> 4 centos:5: Ok
> 5 centos:6: Ok
> 6 centos:7: Ok
> 7 debian:7: Ok
> 8 debian:8: Ok
> 9 debian:experimental: Ok
> 10 fedora:20: Ok
> 11 fedora:21: Ok
> 12 fedora:22: Ok
> 13 fedora:23: Ok
> 14 fedora:24: Ok
> 15 fedora:24-x-ARC-uClibc: Ok
> 16 fedora:rawhide: Ok
> 17 mageia:5: Ok
> 18 opensuse:13.2: Ok
> 19 opensuse:42.1: Ok
> 20 opensuse:tumbleweed: Ok
> 21 ubuntu:12.04.5: Ok
> 22 ubuntu:14.04: Ok
> 23 ubuntu:14.04.4: Ok
> 24 ubuntu:15.10: Ok
> 25 ubuntu:16.04: Ok
> 26 ubuntu:16.04-x-arm: Ok
> 27 ubuntu:16.04-x-arm64: Ok
> 28 ubuntu:16.04-x-powerpc: Ok
> 29 ubuntu:16.04-x-powerpc64: Ok
> 30 ubuntu:16.04-x-powerpc64el: Ok
> 31 ubuntu:16.04-x-s390: Ok
> 32 ubuntu:16.10: Ok
> #
> $ grep PRETTY_NAME /etc/os-release
> PRETTY_NAME="Fedora 25 (Workstation Edition)"
> $
> $ perf stat make -C tools/perf build-test
> make: Entering directory '/home/acme/git/linux/tools/perf'
> - tarpkg: ./tests/perf-targz-src-pkg .
> make_no_slang_O: make NO_SLANG=1
> make_util_map_o_O: make util/map.o
> make_static_O: make LDFLAGS=-static
> make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
> make_perf_o_O: make perf.o
> make_no_libunwind_O: make NO_LIBUNWIND=1
> make_no_libelf_O: make NO_LIBELF=1
> make_util_pmu_bison_o_O: make util/pmu-bison.o
> make_no_backtrace_O: make NO_BACKTRACE=1
> make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
> make_no_demangle_O: make NO_DEMANGLE=1
> make_no_libperl_O: make NO_LIBPERL=1
> make_tags_O: make tags
> make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
> make_install_prefix_slash_O: make install prefix=/tmp/krava/
> make_no_auxtrace_O: make NO_AUXTRACE=1
> make_no_libnuma_O: make NO_LIBNUMA=1
> make_install_bin_O: make install-bin
> make_no_newt_O: make NO_NEWT=1
> make_pure_O: make
> make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1
> make_clean_all_O: make clean all
> make_no_gtk2_O: make NO_GTK2=1
> make_no_libbionic_O: make NO_LIBBIONIC=1
> make_install_prefix_O: make install prefix=/tmp/krava
> make_no_libbpf_O: make NO_LIBBPF=1
> make_no_libaudit_O: make NO_LIBAUDIT=1
> make_with_babeltrace_O: make LIBBABELTRACE=1
> make_no_libpython_O: make NO_LIBPYTHON=1
> make_help_O: make help
> make_doc_O: make doc
> make_debug_O: make DEBUG=1
> make_install_O: make install
> OK
> make: Leaving directory '/home/acme/git/linux/tools/perf'
> $
>

Pulled, thanks a lot Arnaldo!

Ingo