Re: [GIT PULL 00/15] perf/core improvements and fixes

From: Ingo Molnar
Date: Tue Nov 15 2016 - 03:47:28 EST



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

> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> Test results at the end.
>
> The following changes since commit 91a79e5fa696fa626bfbd47f827eaf3eb7d76dc5:
>
> Merge tag 'perf-core-for-mingo-20161028' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-10-28 19:37:34 +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-20161114
>
> for you to fetch changes up to fef51ecd1056b5e090c9fb73e0833bd751389572:
>
> perf report: Show branch info in callchain entry for browser mode (2016-11-14 13:34:08 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New features:
>
> - Allow querying and setting .perfconfig variables (Taeung Song)
>
> - Show branch information in callchains (predicted, TSX aborts, loop
> iteractions, etc) (Jin Yao)
>
> Infrastructure:
>
> - Support kbuild's CFLAGS_REMOVE_ in tools/build (Jiri Olsa)
>
> - Plug building jvmti to the main perf Makefile (Jiri Olsa)
>
> Documentation:
>
> - Update Intel PT documentation about context switch events (Arnaldo Carvalho de Melo)
>
> - Fix 'perf record --call-graph dwarf' help/config in builds not linking
> with a unwind library, mentioning that is a possible record option (Rabin Vincent)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (1):
> perf intel-pt: Update documentation about context switch events
>
> Jin Yao (5):
> perf report: Add branch flag to callchain cursor node
> perf report: Create a symbol_conf flag for showing branch flag counting
> perf report: Calculate and return the branch flag counting
> perf report: Show branch info in callchain entry for stdio mode
> perf report: Show branch info in callchain entry for browser mode
>
> Jiri Olsa (4):
> tools build: Add CFLAGS_REMOVE_* support
> tools build: Add jvmti feature detection support
> perf jvmti: Plug compilation into perf build
> perf kvmti: Remove unused Makefile file
>
> Rabin Vincent (1):
> perf callchain: Fixup help/config for no-unwinding
>
> Taeung Song (4):
> perf config: Add support for getting config key-value pairs
> perf config: Validate config variable arguments before trying use them
> perf config: Add support setting variables in a config file
> perf config: Mark where are config items from (user or system)
>
> tools/build/Build.include | 4 +-
> tools/build/Documentation/Build.txt | 6 +-
> tools/build/feature/Makefile | 6 +-
> tools/build/feature/test-jvmti.c | 13 ++
> tools/perf/Documentation/intel-pt.txt | 19 ++-
> tools/perf/Documentation/perf-config.txt | 35 ++++++
> tools/perf/Makefile.config | 26 ++++
> tools/perf/Makefile.perf | 24 +++-
> tools/perf/builtin-config.c | 137 ++++++++++++++++++++-
> tools/perf/builtin-report.c | 3 +
> tools/perf/jvmti/Build | 8 ++
> tools/perf/jvmti/Makefile | 89 --------------
> tools/perf/tests/make | 2 +-
> tools/perf/ui/browsers/hists.c | 20 ++-
> tools/perf/ui/stdio/hist.c | 35 +++++-
> tools/perf/util/callchain.c | 205 ++++++++++++++++++++++++++++++-
> tools/perf/util/callchain.h | 26 +++-
> tools/perf/util/config.c | 20 +++
> tools/perf/util/config.h | 4 +
> tools/perf/util/machine.c | 82 ++++++++++---
> tools/perf/util/symbol.h | 1 +
> 21 files changed, 634 insertions(+), 131 deletions(-)
> create mode 100644 tools/build/feature/test-jvmti.c
> create mode 100644 tools/perf/jvmti/Build
> delete mode 100644 tools/perf/jvmti/Makefile
>
> [root@jouet ~]# 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 events tests : Ok
> 6: Validate PERF_RECORD_* events & perf_sample fields : Ok
> 7: Test perf pmu format parsing : Ok
> 8: Test dso data read : Ok
> 9: Test dso data cache : Ok
> 10: Test dso data reopen : Ok
> 11: roundtrip evsel->name check : Ok
> 12: Check parsing of sched tracepoints fields : Ok
> 13: Generate and check syscalls:sys_enter_openat event fields: Ok
> 14: struct perf_event_attr setup : Ok
> 15: Test matching and linking multiple hists : Ok
> 16: Try 'import perf' in python, checking link problems : Ok
> 17: Test breakpoint overflow signal handler : Ok
> 18: Test breakpoint overflow sampling : Ok
> 19: Test number of exit event of a simple workload : Ok
> 20: Test software clock events have valid period values : Ok
> 21: Test object code reading : Ok
> 22: Test sample parsing : Ok
> 23: Test using a dummy software event to keep tracking : Ok
> 24: Test parsing with no sample_id_all bit set : Ok
> 25: Test filtering hist entries : Ok
> 26: Test mmap thread lookup : Ok
> 27: Test thread mg sharing : Ok
> 28: Test output sorting of hist entries : Ok
> 29: Test cumulation of child hist entries : Ok
> 30: Test tracking 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: Test kmod_path__parse function : Ok
> 34: Test thread map : Ok
> 35: Test LLVM searching and compiling :
> 35.1: Basic BPF llvm compiling test : Ok
> 35.2: Test kbuild searching : Ok
> 35.3: Compile source for BPF prologue generation test : Ok
> 35.4: Compile source for BPF relocation test : Ok
> 36: Test topology in session : Ok
> 37: Test BPF filter :
> 37.1: Test basic BPF filtering : Ok
> 37.2: Test BPF prologue generation : Ok
> 37.3: Test BPF relocation checker : Ok
> 38: Test thread map synthesize : Ok
> 39: Test cpu map synthesize : Ok
> 40: Test stat config synthesize : Ok
> 41: Test stat synthesize : Ok
> 42: Test stat round synthesize : Ok
> 43: Test attr update synthesize : Ok
> 44: Test events times : Ok
> 45: Test backward reading from ring buffer : Ok
> 46: Test cpu map print : Ok
> 47: Test SDT event probing : Ok
> 48: Test is_printable_array function : Ok
> 49: Test bitmap print : Ok
> 50: x86 rdpmc test : Ok
> 51: Test converting perf time to TSC : Ok
> 52: Test dwarf unwind : Ok
> 53: Test x86 instruction decoder - new instructions : Ok
> 54: Test intel cqm nmi context read : Skip
> [root@jouet ~]#
>
> [root@zoo ~]# time 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
>
> real 61m29.498s
> user 0m3.969s
> sys 0m3.525s
> [root@zoo ~]#
>
> [acme@jouet linux]$ 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_libbionic_O: make NO_LIBBIONIC=1
> make_no_libbpf_O: make NO_LIBBPF=1
> make_no_libunwind_O: make NO_LIBUNWIND=1
> make_install_O: make install
> make_no_libaudit_O: make NO_LIBAUDIT=1
> make_no_libperl_O: make NO_LIBPERL=1
> make_install_prefix_slash_O: make install prefix=/tmp/krava/
> 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_debug_O: make DEBUG=1
> make_no_newt_O: make NO_NEWT=1
> make_perf_o_O: make perf.o
> make_no_demangle_O: make NO_DEMANGLE=1
> make_doc_O: make doc
> make_install_bin_O: make install-bin
> make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
> make_install_prefix_O: make install prefix=/tmp/krava
> make_no_slang_O: make NO_SLANG=1
> make_no_libelf_O: make NO_LIBELF=1
> make_static_O: make LDFLAGS=-static
> make_util_map_o_O: make util/map.o
> make_with_babeltrace_O: make LIBBABELTRACE=1
> make_no_auxtrace_O: make NO_AUXTRACE=1
> make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
> make_no_libnuma_O: make NO_LIBNUMA=1
> make_pure_O: make
> make_help_O: make help
> make_no_gtk2_O: make NO_GTK2=1
> make_no_libpython_O: make NO_LIBPYTHON=1
> make_no_backtrace_O: make NO_BACKTRACE=1
> make_tags_O: make tags
> make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
> make_util_pmu_bison_o_O: make util/pmu-bison.o
> OK
> make: Leaving directory '/home/acme/git/linux/tools/perf'

Pulled, thanks a lot Arnaldo!

Ingo