[GIT PULL 00/22] perf/core improvements and fixes
Ingo Molnar
mingo at kernel.org
Tue Oct 4 19:07:12 AEDT 2016
* Arnaldo Carvalho de Melo <acme at kernel.org> wrote:
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> Build and test stats at the end of the message.
>
> The following changes since commit 41aad2a6d4fcdda8d73c9739daf7a9f3f49499d6:
>
> Merge tag 'perf-core-for-mingo-20160929' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-09-29 19:09:58 +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-20161003
>
> for you to fetch changes up to b42c7369e3f451e22c2b0be5d193955498d37546:
>
> perf pmu-events: Add Skylake frontend MSR support (2016-10-03 21:52:01 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> - Allow vendors to provide JSON files describing PMU events, that then
> get parsed to generate C tables that are linked against perf, allowing
> the use of the names in their documentations, such as:
>
> # perf list l1d
>
> List of pre-defined events (to be used in -e):
>
> Cache:
> l1d.replacement
> [L1D data line replacements]
> l1d_pend_miss.fb_full
> [Cycles a demand request was blocked due to Fill Buffers inavailability]
> l1d_pend_miss.pending
> [L1D miss oustandings duration in cycles]
> l1d_pend_miss.pending_cycles
> [Cycles with L1D load Misses outstanding]
> l1d_pend_miss.pending_cycles_any
> [Cycles with L1D load Misses outstanding from any thread on physical core]
> l2_trans.l1d_wb
> [L1D writebacks that access L2 cache]
>
> Pipeline:
> cycle_activity.cycles_l1d_miss
> [Cycles while L1 cache miss demand load is outstanding]
> cycle_activity.cycles_l1d_pending
> [Cycles while L1 cache miss demand load is outstanding]
> cycle_activity.stalls_l1d_miss
> [Execution stalls while L1 cache miss demand load is outstanding]
> cycle_activity.stalls_l1d_pending
> [Execution stalls while L1 cache miss demand load is outstanding]
>
> The above example was done on a Broadwell based ThinkPad t450s after
> downloading and installing such JSON files which will be added to the
> tools/perf/pmu-events/ directory in a subsequent patchkit.
>
> Now one can use those names with -e/--event in all 'perf tools'.
> (Andi Kleen, Sukadev Bhattiprolu)
>
> - Add a missing pointer dereference in 'perf probe' (Colin Ian King)
>
> - Add support for building host programs to be used in generating files
> to be used in the build process, such as fixdep and jevents, fixing
> the usage of these features in a cross compilation setup (Jiri Olsa)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme at redhat.com>
>
> ----------------------------------------------------------------
> Andi Kleen (12):
> perf tools: Add jsmn `jasmine' JSON parser
> perf jevents: Program to convert JSON file
> perf tools: Support CPU id matching for x86 v2
> perf jevents: Handle header line in mapfile
> perf pmu: Support alias descriptions
> perf tools: Query terminal width and use in perf list
> perf list: Add a --no-desc flag
> perf pmu: Add override support for event list CPUID
> perf list jevents: Add support for event list topics
> perf tools: Make alias matching case-insensitive
> perf pmu-events: Fix fixed counters on Intel
> perf pmu-events: Add Skylake frontend MSR support
>
> Arnaldo Carvalho de Melo (1):
> perf tools: Experiment with cppcheck
>
> Colin Ian King (1):
> perf probe: Check if *ptr2 is zero and not ptr2
>
> Jiri Olsa (2):
> tools build: Add support for host programs format
> tools build: Make fixdep a hostprog
>
> Sukadev Bhattiprolu (6):
> perf pmu: Use pmu_events table to create aliases
> perf powerpc: Support CPU ID matching for Powerpc
> perf jevents: Add support for long descriptions
> perf list: Support long jevents descriptions
> perf tools: Add README for info on parsing JSON/map files
> perf tools: Allow period= in perf stat CPU event descriptions.
>
> tools/build/Build | 2 +
> tools/build/Build.include | 5 +
> tools/build/Makefile | 8 +-
> tools/build/Makefile.build | 19 +-
> tools/build/Makefile.include | 4 -
> tools/lib/subcmd/pager.c | 16 +
> tools/lib/subcmd/pager.h | 1 +
> tools/perf/Documentation/perf-list.txt | 12 +-
> tools/perf/Makefile.perf | 34 +-
> tools/perf/arch/powerpc/util/header.c | 11 +
> tools/perf/arch/x86/util/header.c | 24 +-
> tools/perf/builtin-list.c | 20 +-
> tools/perf/pmu-events/Build | 13 +
> tools/perf/pmu-events/README | 147 ++++++
> tools/perf/pmu-events/jevents.c | 812 +++++++++++++++++++++++++++++++++
> tools/perf/pmu-events/jevents.h | 18 +
> tools/perf/pmu-events/jsmn.c | 313 +++++++++++++
> tools/perf/pmu-events/jsmn.h | 67 +++
> tools/perf/pmu-events/json.c | 162 +++++++
> tools/perf/pmu-events/json.h | 38 ++
> tools/perf/pmu-events/pmu-events.h | 37 ++
> tools/perf/util/evlist.c | 12 +-
> tools/perf/util/evsel.c | 3 +-
> tools/perf/util/header.h | 1 +
> tools/perf/util/machine.c | 6 +-
> tools/perf/util/parse-events.c | 8 +-
> tools/perf/util/parse-events.h | 3 +-
> tools/perf/util/pmu.c | 176 ++++++-
> tools/perf/util/pmu.h | 6 +-
> tools/perf/util/probe-event.c | 2 +-
> tools/perf/util/strbuf.h | 3 +-
> tools/perf/util/thread.c | 9 +-
> 32 files changed, 1926 insertions(+), 66 deletions(-)
> create mode 100644 tools/perf/pmu-events/Build
> create mode 100644 tools/perf/pmu-events/README
> create mode 100644 tools/perf/pmu-events/jevents.c
> create mode 100644 tools/perf/pmu-events/jevents.h
> create mode 100644 tools/perf/pmu-events/jsmn.c
> create mode 100644 tools/perf/pmu-events/jsmn.h
> create mode 100644 tools/perf/pmu-events/json.c
> create mode 100644 tools/perf/pmu-events/json.h
> create mode 100644 tools/perf/pmu-events/pmu-events.h
>
> # 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 33m23.855s
> user 0m2.128s
> sys 0m2.305s
> #
>
> # 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_libperl_O: make NO_LIBPERL=1
> make_no_newt_O: make NO_NEWT=1
> make_no_slang_O: make NO_SLANG=1
> make_no_libnuma_O: make NO_LIBNUMA=1
> make_with_babeltrace_O: make LIBBABELTRACE=1
> make_install_prefix_slash_O: make install prefix=/tmp/krava/
> make_no_libbpf_O: make NO_LIBBPF=1
> make_no_demangle_O: make NO_DEMANGLE=1
> make_install_bin_O: make install-bin
> make_install_O: make install
> make_no_libbionic_O: make NO_LIBBIONIC=1
> make_no_libunwind_O: make NO_LIBUNWIND=1
> make_no_libaudit_O: make NO_LIBAUDIT=1
> make_no_libpython_O: make NO_LIBPYTHON=1
> make_tags_O: make tags
> make_perf_o_O: make perf.o
> make_static_O: make LDFLAGS=-static
> make_clean_all_O: make clean all
> make_install_prefix_O: make install prefix=/tmp/krava
> make_help_O: make help
> make_util_map_o_O: make util/map.o
> make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
> make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=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_backtrace_O: make NO_BACKTRACE=1
> make_debug_O: make DEBUG=1
> make_no_libelf_O: make NO_LIBELF=1
> make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
> make_no_auxtrace_O: make NO_AUXTRACE=1
> make_doc_O: make doc
> make_util_pmu_bison_o_O: make util/pmu-bison.o
> make_no_gtk2_O: make NO_GTK2=1
> OK
Pulled, thanks a lot Arnaldo!
Ingo
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