Re: [GIT PULL 00/13] perf/core improvements and fixes

[Ingo Molnar]

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

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> Build and test stats at the end of the message.
> 
> The following changes since commit 8657355f5b5f657407efc12a2223e8a3a6d658de:
> 
>   Merge tag 'perf-core-for-mingo-20161003' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2016-10-04 10:04:47 +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-20161005
> 
> for you to fetch changes up to 87095f7ddeff3038a0cf8e6574922f9c11688619:
> 
>   tools build: Add feature detection for g++ (2016-10-05 19:59:35 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> - Intel PT timestamp fixes (Adrian Hunter)
> 
> - Fix Intel JSON fixed counter conversions (Andi Kleen)
> 
> - Sync memcpy, cpufeatures and bpf headers with the kernel (Arnaldo Carvalho de Melo)
> 
> - Add some more tool tips (Donghyun Kim, Kim SeonYoung, Nambong Ha)
> 
> - Fix libtraceevent's kbuffer_read_at_offset() handling of offsets before or
>   equal the first event (Namhyung Kim)
> 
> - Fix uretprobe probe placement on ppc64le (Ravi Bangoria)
> 
> - Support building C++ source files and add feature detection for g++,
>   prep work for supporting a builtin clang/llvm, to remove the need for having
>   that toolchain installed to automagically build BPF scriptlets that then
>   gets uploaded to the kernel via sys_bpf() (Wang Nan)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> 
> ----------------------------------------------------------------
> Adrian Hunter (2):
>       perf intel-pt: Fix estimated timestamps for cycle-accurate mode
>       perf intel-pt: Fix MTC timestamp calculation for large MTC periods
> 
> Andi Kleen (1):
>       perf jevents: Fix Intel JSON fixed counter conversions
> 
> Arnaldo Carvalho de Melo (3):
>       perf bench mem: Sync memcpy assembly sources with the kernel
>       tools: Synchronize tools/arch/x86/include/asm/cpufeatures.h
>       tools: Synchronize tools/include/uapi/linux/bpf.h
> 
> Donghyun Kim (1):
>       perf report/top: Add a tip about system-wide collection from all CPUs
> 
> Kim SeonYoung (1):
>       perf report/top: Add a tip about source line numbers with overhead
> 
> Nambong Ha (1):
>       perf top/report: Add tips about a list option
> 
> Namhyung Kim (1):
>       tools lib traceevent: Fix kbuffer_read_at_offset()
> 
> Ravi Bangoria (1):
>       perf uretprobe ppc64le: Fix probe location
> 
> Wang Nan (2):
>       tools build: Support compiling C++ source file
>       tools build: Add feature detection for g++
> 
>  tools/arch/x86/include/asm/cpufeatures.h           |  1 -
>  tools/arch/x86/lib/memcpy_64.S                     |  6 ++--
>  tools/build/Build.include                          |  1 +
>  tools/build/Makefile.build                         |  7 ++++
>  tools/build/Makefile.feature                       |  2 +-
>  tools/build/feature/Makefile                       | 10 +++++-
>  tools/build/feature/test-cxx.cpp                   | 15 +++++++++
>  tools/include/uapi/linux/bpf.h                     |  4 +--
>  tools/lib/traceevent/kbuffer-parse.c               |  1 +
>  tools/perf/Documentation/tips.txt                  |  4 +++
>  tools/perf/arch/powerpc/util/sym-handling.c        |  3 +-
>  tools/perf/pmu-events/jevents.c                    |  2 ++
>  .../perf/util/intel-pt-decoder/intel-pt-decoder.c  | 38 ++++++++++++++++++++++
>  13 files changed, 85 insertions(+), 9 deletions(-)
>  create mode 100644 tools/build/feature/test-cxx.cpp
> 
>   [root@jouet ~]# 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    44m58.202s
>   user    0m2.864s
>   sys     0m1.975s
>   [root@jouet ~]#
> 
>   [acme@jouet linux]$ make -C tools/perf build-test
>   make: Entering directory '/home/acme/git/linux/tools/perf'
>                         tarpkg: ./tests/perf-targz-src-pkg .
>                  make_static_O: make LDFLAGS=-static
>   make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
>    make_install_prefix_slash_O: make install prefix=/tmp/krava/
>                   make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
>                    make_help_O: make help
>            make_no_libpython_O: make NO_LIBPYTHON=1
>                 make_install_O: make install
>          make_install_prefix_O: make install prefix=/tmp/krava
>              make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
>              make_no_libperl_O: make NO_LIBPERL=1
>                   make_debug_O: make DEBUG=1
>                  make_perf_o_O: make perf.o
>               make_clean_all_O: make clean all
>        make_util_pmu_bison_o_O: make util/pmu-bison.o
>                 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
>             make_no_demangle_O: make NO_DEMANGLE=1
>            make_no_libunwind_O: make NO_LIBUNWIND=1
>         make_with_babeltrace_O: make LIBBABELTRACE=1
>              make_no_libnuma_O: make NO_LIBNUMA=1
>               make_no_libbpf_O: make NO_LIBBPF=1
>             make_install_bin_O: make install-bin
>              make_util_map_o_O: make util/map.o
>               make_no_libelf_O: make NO_LIBELF=1
>                 make_no_newt_O: make NO_NEWT=1
>             make_no_auxtrace_O: make NO_AUXTRACE=1
>                 make_no_gtk2_O: make NO_GTK2=1
>                make_no_slang_O: make NO_SLANG=1
>                     make_doc_O: make doc
>                    make_pure_O: make
>            make_no_libbionic_O: make NO_LIBBIONIC=1
>             make_no_libaudit_O: make NO_LIBAUDIT=1
>                    make_tags_O: make tags
>            make_no_backtrace_O: make NO_BACKTRACE=1
>   OK
> 
>   [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 ~]# 

Pulled, thanks a lot Arnaldo!

	Ingo