Re: [GIT PULL 00/12] perf/core improvements and fixes

[Ingo Molnar]

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

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> Test results at the end of this message.
> 
> The following changes since commit 47414424c53a70eceb0fc6e0a35a31a2b763d5b2:
> 
>   Merge tag 'perf-core-for-mingo-20161123' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-11-24 05:09:31 +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-20161125
> 
> for you to fetch changes up to 4708bbda5cb2f6cdc331744597527143f46394d5:
> 
>   tools lib bpf: Fix maps resolution (2016-11-25 11:27:33 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> New features:
> 
> - Improve ARM support in the annotation code, affecting 'perf annotate', 'perf
>   report' and live annotation in 'perf top' (Kim Phillips)
> 
> - Initial support for PowerPC in the annotation code (Ravi Bangoria)
> 
> - Skip repetitive scheduler function on the top of the stack in
>   'perf sched timehist' (Namhyung Kim)
> 
> Fixes:
> 
> - Fix maps resolution in libbpf (Eric Leblond)
> 
> - Get the kernel signature via /proc/version_signature, available on
>   ubuntu systems, to make sure bpf proggies works, as the one provided
>   via 'uname -r' doesn't (Wang Nan)
> 
> - Fix segfault in 'perf record' when running with suid and kptr_restrict
>   is 1 (Wang Nan)
> 
> Infrastructure:
> 
> - Support per-arch instruction tables, kept via a static or dynamic table
>   (Arnaldo Carvalho de Melo)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> 
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (4):
>       perf annotate: Remove duplicate 'name' field from disasm_line
>       perf annotate: Introduce alternative method of keeping instructions table
>       perf annotate: Allow arches to have a init routine and a priv area
>       perf annotate: Improve support for ARM
> 
> Eric Leblond (1):
>       tools lib bpf: Fix maps resolution
> 
> Namhyung Kim (3):
>       perf callchain: Add option to skip ignore symbol when printing callchains
>       perf sched timehist: Mark schedule function in callchains
>       perf sched timehist: Enlarge max stack depth by 2
> 
> Ravi Bangoria (1):
>       perf annotate: Initial PowerPC support
> 
> Wang Nan (3):
>       perf tools: Fix kernel version error in ubuntu
>       perf record: Fix segfault when running with suid and kptr_restrict is 1
>       perf tools: Add missing struct definition in probe_event.h
> 
>  tools/lib/bpf/libbpf.c                          | 142 ++++++++++++++-------
>  tools/perf/arch/arm/annotate/instructions.c     | 147 +++++++++-------------
>  tools/perf/arch/powerpc/annotate/instructions.c |  58 +++++++++
>  tools/perf/builtin-sched.c                      |  26 +++-
>  tools/perf/ui/browsers/annotate.c               |  18 +--
>  tools/perf/util/annotate.c                      | 157 +++++++++++++++++-------
>  tools/perf/util/annotate.h                      |  17 ++-
>  tools/perf/util/evsel.h                         |   1 +
>  tools/perf/util/evsel_fprintf.c                 |   7 +-
>  tools/perf/util/probe-event.h                   |   2 +
>  tools/perf/util/symbol.c                        |   2 +-
>  tools/perf/util/symbol.h                        |   1 +
>  tools/perf/util/util.c                          |  55 ++++++++-
>  13 files changed, 431 insertions(+), 202 deletions(-)
>  create mode 100644 tools/perf/arch/powerpc/annotate/instructions.c
> 
>   Rebuilding containers, so limited coverage at this time:
>   # dm
>    1 debian:experimental: Ok
>    2 fedora:24: Ok
>    3 fedora:24-x-ARC-uClibc: Ok
>    4 fedora:rawhide: Ok
>    5 opensuse:tumbleweed: Ok
> 
>   # 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
>   #
>   $ make -C tools/perf build-test
>   make: Entering directory '/home/acme/git/linux/tools/perf'
>   - tarpkg: ./tests/perf-targz-src-pkg .
>              make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
>                make_no_slang_O: make NO_SLANG=1
>                 make_no_gtk2_O: make NO_GTK2=1
>              make_no_libperl_O: make NO_LIBPERL=1
>             make_no_libaudit_O: make NO_LIBAUDIT=1
>         make_with_babeltrace_O: make LIBBABELTRACE=1
>                 make_no_newt_O: make NO_NEWT=1
>              make_util_map_o_O: make util/map.o
>                    make_pure_O: make
>               make_no_libbpf_O: make NO_LIBBPF=1
>                     make_doc_O: make doc
>              make_no_libnuma_O: make NO_LIBNUMA=1
>        make_util_pmu_bison_o_O: make util/pmu-bison.o
>                    make_tags_O: make tags
>          make_install_prefix_O: make install prefix=/tmp/krava
>             make_no_demangle_O: make NO_DEMANGLE=1
>            make_no_libpython_O: make NO_LIBPYTHON=1
>                  make_static_O: make LDFLAGS=-static
>                   make_debug_O: make DEBUG=1
>                   make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
>    make_install_prefix_slash_O: make install prefix=/tmp/krava/
>   make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
>             make_no_auxtrace_O: make NO_AUXTRACE=1
>                 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_perf_o_O: make perf.o
>            make_no_libbionic_O: make NO_LIBBIONIC=1
>               make_clean_all_O: make clean all
>            make_no_backtrace_O: make NO_BACKTRACE=1
>                 make_install_O: make install
>            make_no_libunwind_O: make NO_LIBUNWIND=1
>             make_install_bin_O: make install-bin
>               make_no_libelf_O: make NO_LIBELF=1
>                    make_help_O: make help
>   OK
>   make: Leaving directory '/home/acme/git/linux/tools/perf'
>   $

Pulled, thanks a lot Arnaldo!

	Ingo