Re: [GIT PULL 00/37] perf/core improvements and fixes

From: Ingo Molnar
Date: Mon Oct 24 2016 - 14:45:08 EST



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

> Hi Ingo,
>
> Please consider pulling, more to come soon,
>
> - Arnaldo
>
> Build and test stats at the end of the message.
>
> The following changes since commit e9c848928abf4cb60601e9ae7d336f0333c98bca:
>
> Merge tag 'perf-c2c-for-mingo-20161021' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-10-22 10:22:05 +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-20161024
>
> for you to fetch changes up to 04b553ad7dc347eabd3cb4705932272453175a80:
>
> perf coresight: Removing miscellaneous debug output (2016-10-24 11:07:47 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New features:
>
> - Dynamicly change verbosity level by pressing 'V' in the 'perf top/report'
> hists TUI browser (Alexis Berlemont)
>
> - Implement 'perf trace --delay' in the same fashion as in 'perf record --delay',
> to skip sampling workload initialization events (Alexis Berlemont)
>
> - Make vendor named events case insensitive in 'perf list', i.e.
> 'perf list LONGEST_LAT' works just the same as 'perf list longest_lat' (Andi Kleen)
>
> - Show instruction bytes and lenght in 'perf script' for Intel PT and BTS (Andi Kleen, Adrian Hunter)
>
> E.g:
>
> % perf record -e intel_pt// foo
> % perf script --itrace=i0ns -F ip,insn,insnlen
> ffffffff8101232f ilen: 5 insn: 0f 1f 44 00 00
> ffffffff81012334 ilen: 1 insn: 5b
> ffffffff81012335 ilen: 1 insn: 5d
> ffffffff81012336 ilen: 1 insn: c3
> ffffffff810123e3 ilen: 1 insn: 5b
> ffffffff810123e4 ilen: 2 insn: 41 5c
> ffffffff810123e6 ilen: 1 insn: 5d
> ffffffff810123e7 ilen: 1 insn: c3
> ffffffff810124a6 ilen: 2 insn: 31 c0
> ffffffff810124a8 ilen: 9 insn: 41 83 bc 24 a8 01 00 00 01
> ffffffff810124b1 ilen: 2 insn: 75 87
>
> - Allow enabling the perf_event_attr.branch_type attribute member: (Andi Kleen)
>
> perf record -e sched:sched_switch,cpu/cpu-cycles,branch_type=any/ ...
>
> - Add unwinding support for jitdump (Stefano Sanfilippo)
>
> Fixes:
>
> - Use raw_syscall:sys_enter timestamp in 'perf trace' (Arnaldo Carvalho de Melo)
>
> Infrastructure:
>
> - Allow jitdump to be built without libdwarf (Maciej Debski)
>
> - Sync x86's syscall table tools/ copy (Arnaldo Carvalho de Melo)
>
> - Fixes to avoid calling die() in library fuctions already propagating other
> errors (Arnaldo Carvalho de Melo)
>
> - Improvements to allow libtraceevent to be properly installed in distro
> packages (Jiri Olsa)
>
> - Removing coresight miscellaneous debug output (Mathieu Poirier)
>
> - Cache align the 'perf bench futex' worker struct (Sebastian Andrzej Siewior)
>
> Documentation:
>
> - Minor improvements on the documentation of event parameters (Andi Kleen)
>
> - Add jitdump format specification document (Stephane Eranian)
>
> Spelling fixes:
>
> - Fix typo "No enough" to "Not enough" (Alexander Alemayhu)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Adrian Hunter (1):
> perf intel-pt/bts: Tidy instruction buffer size usage
>
> Alexander Alemayhu (1):
> perf tools: Fix typo "No enough" to "Not enough"
>
> Alexis Berlemont (2):
> perf hists browser: Dynamically change verbosity level
> perf trace: Implement --delay
>
> Andi Kleen (6):
> perf intel-pt/bts: Report instruction bytes and length in sample
> perf script: Support insn and insnlen
> perf record: Improve documentation of event parameters
> perf tools: Implement branch_type event parameter
> perf pmu: Only print Using CPUID message once
> perf list: Make vendor event matching case insensitive
>
> Arnaldo Carvalho de Melo (8):
> perf tools: Sync copy of x86's syscall table
> perf jit: Avoid returning garbage for a ret variable
> perf jit: Add NT_GNU_BUILD_ID definition for older distros
> perf bench mem: Move boilerplate memory allocation to the infrastructure
> perf tools: Normalize sq_quote_argv() error reporting
> perf tools: Use normal error reporting when processing PERF_RECORD_READ events
> perf trace: Remove thread_trace->exit_time
> perf trace: Use the syscall raw_syscalls:sys_enter timestamp
>
> Jiri Olsa (8):
> tools lib traceevent: Add install_headers target
> tools lib traceevent: Add do_install_mkdir Makefile function
> tools lib traceevent: Rename LIB_FILE to LIB_TARGET
> tools lib traceevent: Add version for traceevent shared object
> tools lib: Add for_each_clear_bit macro
> perf report: Move captured info to generic header info
> perf header: Display missing features
> perf header: Display feature name on write failure
>
> Maciej Debski (1):
> perf jit: Enable jitdump support without dwarf
>
> Mathieu Poirier (1):
> perf coresight: Removing miscellaneous debug output
>
> Sebastian Andrzej Siewior (1):
> perf bench futex: Cache align the worker struct
>
> Stefano Sanfilippo (5):
> perf jit: Make perf skip unknown records
> perf jit: Do not assume pgoff is zero
> perf jit: Add unwinding support
> perf jit: Generate .eh_frame/.eh_frame_hdr in DSO
> perf jit: Check JITHEADER_VERSION
>
> Stephane Eranian (3):
> perf jit: Improve error messages from JVMTI
> perf jit: Remove unecessary padding in jitdump file
> perf jit: Add jitdump format specification document
>
> tools/include/asm-generic/bitops.h | 1 +
> tools/include/asm-generic/bitops/__ffz.h | 12 ++
> tools/include/asm-generic/bitops/find.h | 28 ++++
> tools/include/linux/bitops.h | 5 +
> tools/lib/find_bit.c | 25 +++
> tools/lib/traceevent/Makefile | 40 +++--
> tools/perf/Documentation/jitdump-specification.txt | 170 +++++++++++++++++++++
> tools/perf/Documentation/perf-record.txt | 9 +-
> tools/perf/Documentation/perf-script.txt | 6 +-
> tools/perf/Documentation/perf-trace.txt | 5 +
> tools/perf/MANIFEST | 1 +
> tools/perf/Makefile.config | 2 +-
> tools/perf/arch/arm/util/cs-etm.c | 2 -
> tools/perf/arch/x86/entry/syscalls/syscall_64.tbl | 4 +-
> tools/perf/bench/futex-hash.c | 5 +-
> tools/perf/bench/mem-functions.c | 77 ++++------
> tools/perf/builtin-report.c | 12 +-
> tools/perf/builtin-script.c | 24 ++-
> tools/perf/builtin-trace.c | 19 ++-
> tools/perf/jvmti/jvmti_agent.c | 38 +----
> tools/perf/jvmti/libjvmti.c | 39 +++--
> tools/perf/tests/backward-ring-buffer.c | 2 +-
> tools/perf/tests/bpf.c | 2 +-
> tools/perf/ui/browsers/hists.c | 5 +-
> tools/perf/util/Build | 2 +-
> tools/perf/util/bpf-loader.c | 14 +-
> tools/perf/util/event.h | 3 +
> tools/perf/util/evsel.c | 9 ++
> tools/perf/util/evsel.h | 2 +
> tools/perf/util/genelf.c | 113 +++++++++++++-
> tools/perf/util/genelf.h | 5 +-
> tools/perf/util/header.c | 19 ++-
> tools/perf/util/intel-bts.c | 9 +-
> .../perf/util/intel-pt-decoder/intel-pt-decoder.c | 2 +
> .../perf/util/intel-pt-decoder/intel-pt-decoder.h | 1 +
> .../util/intel-pt-decoder/intel-pt-insn-decoder.c | 13 +-
> .../util/intel-pt-decoder/intel-pt-insn-decoder.h | 6 +-
> tools/perf/util/intel-pt-decoder/intel-pt-log.c | 4 +-
> tools/perf/util/intel-pt.c | 19 ++-
> tools/perf/util/jitdump.c | 82 ++++++++--
> tools/perf/util/jitdump.h | 12 ++
> tools/perf/util/llvm-utils.c | 2 +-
> tools/perf/util/map.c | 17 ++-
> tools/perf/util/parse-branch-options.c | 85 ++++++-----
> tools/perf/util/parse-branch-options.h | 3 +-
> tools/perf/util/parse-events.c | 15 +-
> tools/perf/util/pmu.c | 10 +-
> tools/perf/util/quote.c | 2 +-
> tools/perf/util/session.c | 10 --
> tools/perf/util/string.c | 21 ++-
> tools/perf/util/unwind-libunwind-local.c | 4 +-
> tools/perf/util/util.h | 1 +
> tools/perf/util/values.c | 81 +++++++---
> tools/perf/util/values.h | 4 +-
> 54 files changed, 830 insertions(+), 273 deletions(-)
> create mode 100644 tools/include/asm-generic/bitops/__ffz.h
> create mode 100644 tools/perf/Documentation/jitdump-specification.txt
>
> # 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 46m1.737s
> user 0m2.200s
> sys 0m2.735s
> #
>
> # 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_tags_O: make tags
> make_debug_O: make DEBUG=1
> make_no_libbpf_O: make NO_LIBBPF=1
> make_no_newt_O: make NO_NEWT=1
> make_no_libperl_O: make NO_LIBPERL=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
> make_no_slang_O: make NO_SLANG=1
> make_no_demangle_O: make NO_DEMANGLE=1
> make_no_libpython_O: make NO_LIBPYTHON=1
> make_with_babeltrace_O: make LIBBABELTRACE=1
> make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
> make_no_libelf_O: make NO_LIBELF=1
> make_no_backtrace_O: make NO_BACKTRACE=1
> make_util_map_o_O: make util/map.o
> make_no_libunwind_O: make NO_LIBUNWIND=1
> make_no_libnuma_O: make NO_LIBNUMA=1
> make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
> make_install_O: make install
> make_clean_all_O: make clean all
> make_install_prefix_slash_O: make install prefix=/tmp/krava/
> make_perf_o_O: make perf.o
> make_help_O: make help
> make_no_libaudit_O: make NO_LIBAUDIT=1
> make_util_pmu_bison_o_O: make util/pmu-bison.o
> make_pure_O: make
> make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
> make_no_auxtrace_O: make NO_AUXTRACE=1
> make_install_prefix_O: make install prefix=/tmp/krava
> make_no_libbionic_O: make NO_LIBBIONIC=1
> make_install_bin_O: make install-bin
> make_no_gtk2_O: make NO_GTK2=1
> make_static_O: make LDFLAGS=-static
> make_doc_O: make doc
> OK
> make: Leaving directory '/home/acme/git/linux/tools/perf'
> $

Pulled, thanks a lot Arnaldo!

Ingo