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Date: Thu, 24 Nov 2016 05:10:44 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Adrian Hunter <adrian.hunter@...el.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Andi Kleen <andi@...stfloor.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Chris Riyder <chris.ryder@....com>,
David Ahern <dsahern@...il.com>,
Don Zickus <dzickus@...hat.com>, Jiri Olsa <jolsa@...hat.com>,
Joe Mario <jmario@...hat.com>,
Kim Phillips <kim.phillips@....com>,
Markus Trippelsdorf <markus@...ppelsdorf.de>,
Masami Hiramatsu <mhiramat@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
"Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
Pawel Moll <pawel.moll@....com>,
Peter Zijlstra <peterz@...radead.org>,
Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>,
Russell King <rmk+kernel@....linux.org.uk>,
Stephane Eranian <eranian@...gle.com>,
Steven Rostedt <rostedt@...dmis.org>,
Taeung Song <treeze.taeung@...il.com>,
Wang Nan <wangnan0@...wei.com>
Subject: Re: [GIT PULL 00/18] perf/core improvements and fixes
* Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> From: Arnaldo Carvalho de Melo <acme@...hat.com>
>
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> Test results at the end.
>
> The following changes since commit 6a6b12e2125591e24891e6860410795ea53aed11:
>
> Merge tag 'perf-core-for-mingo-20161114' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-11-15 09:45:04 +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-20161123
>
> for you to fetch changes up to a407b0678bc1c39d70af5fdbe6421c164b69a8c0:
>
> perf sched timehist: Add -V/--cpu-visual option (2016-11-23 10:44:09 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New tool:
>
> - 'perf sched timehist' provides an analysis of scheduling events.
>
> Example usage:
> perf sched record -- sleep 1
> perf sched timehist
>
> By default it shows the individual schedule events, including the wait
> time (time between sched-out and next sched-in events for the task), the
> task scheduling delay (time between wakeup and actually running) and run
> time for the task:
>
> time cpu task name wait time sch delay run time
> [tid/pid] (msec) (msec) (msec)
> -------- ------ ---------------- --------- --------- --------
> 1.874569 [0011] gcc[31949] 0.014 0.000 1.148
> 1.874591 [0010] gcc[31951] 0.000 0.000 0.024
> 1.874603 [0010] migration/10[59] 3.350 0.004 0.011
> 1.874604 [0011] <idle> 1.148 0.000 0.035
> 1.874723 [0005] <idle> 0.016 0.000 1.383
> 1.874746 [0005] gcc[31949] 0.153 0.078 0.022
> ...
>
> Times are in msec.usec. (David Ahern, Namhyung Kim)
>
> Improvements:
>
> - Make 'perf c2c report' support -f/--force, to allow skipping the
> ownership check for root users, for instance, just like the other
> tools (Jiri Olsa)
>
> - Allow sorting cachelines by total number of HITMs, in addition to
> local and remote numbers (Jiri Olsa)
>
> Fixes:
>
> - Make sure errors aren't suppressed by the TUI reset at the end of
> a 'perf c2c report' session (Jiri Olsa)
>
> Infrastructure:
>
> - Initial work on having the annotate code better support multiple
> architectures, including the ability to cross-annotate, i.e. to
> annotate perf.data files collected on an ARM system on a x86_64
> workstation (Arnaldo Carvalho de Melo, Ravi Bangoria, Kim Phillips)
>
> - Use USECS_PER_SEC instead of hard coded number in libtraceevent (Steven Rostedt)
>
> - Add retrieval of preempt count and latency flags in libtraceevent (Steven Rostedt)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (3):
> perf annotate: Start supporting cross arch annotation
> perf annotate: Allow arches to specify functions to skip
> perf annotate: Add per arch instructions annotate handlers
>
> David Ahern (5):
> perf sched timehist: Introduce timehist command
> perf sched timehist: Add summary options
> perf sched timehist: Add -w/--wakeups option
> perf sched timehist: Add call graph options
> perf sched timehist: Add -V/--cpu-visual option
>
> Jiri Olsa (6):
> perf tools: Show event fd in debug output
> perf c2c report: Setup browser after opening perf.data
> perf c2c report: Add -f/--force option
> perf c2c report: Add struct c2c_stats::tot_hitm field
> perf c2c report: Display total HITMs on default
> perf c2c: Support cascading options
>
> Namhyung Kim (2):
> perf symbols: Print symbol offsets conditionally
> perf evsel: Support printing callchains with arrows
>
> Steven Rostedt (2):
> tools lib traceevent: Use USECS_PER_SEC instead of hardcoded number
> tools lib traceevent: Add retrieval of preempt count and latency flags
>
> tools/lib/traceevent/event-parse.c | 41 +-
> tools/lib/traceevent/event-parse.h | 5 +-
> tools/perf/Documentation/perf-c2c.txt | 8 +
> tools/perf/Documentation/perf-sched.txt | 66 +-
> tools/perf/arch/arm/annotate/instructions.c | 90 +++
> tools/perf/arch/x86/annotate/instructions.c | 78 +++
> tools/perf/builtin-c2c.c | 80 ++-
> tools/perf/builtin-sched.c | 914 +++++++++++++++++++++++++++-
> tools/perf/builtin-top.c | 2 +-
> tools/perf/ui/browsers/annotate.c | 2 +-
> tools/perf/ui/gtk/annotate.c | 2 +-
> tools/perf/util/annotate.c | 251 ++++----
> tools/perf/util/annotate.h | 6 +-
> tools/perf/util/evsel.c | 6 +-
> tools/perf/util/evsel.h | 1 +
> tools/perf/util/evsel_fprintf.c | 12 +-
> tools/perf/util/mem-events.c | 12 +-
> tools/perf/util/mem-events.h | 1 +
> tools/perf/util/symbol.h | 3 +-
> tools/perf/util/symbol_fprintf.c | 11 +-
> 20 files changed, 1406 insertions(+), 185 deletions(-)
> create mode 100644 tools/perf/arch/arm/annotate/instructions.c
> create mode 100644 tools/perf/arch/x86/annotate/instructions.c
>
> # uname -a
> Linux jouet 4.8.6-201.fc24.x86_64 #1 SMP Thu Nov 3 14:38:57 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
> # 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
> #
>
> # 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
> #
>
> $ 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_demangle_O: make NO_DEMANGLE=1
> make_no_libnuma_O: make NO_LIBNUMA=1
> make_install_bin_O: make install-bin
> make_install_prefix_O: make install prefix=/tmp/krava
> make_util_map_o_O: make util/map.o
> make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
> make_no_libbpf_O: make NO_LIBBPF=1
> make_doc_O: make doc
> make_util_pmu_bison_o_O: make util/pmu-bison.o
> make_with_babeltrace_O: make LIBBABELTRACE=1
> make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
> make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
> make_debug_O: make DEBUG=1
> make_perf_o_O: make perf.o
> make_no_slang_O: make NO_SLANG=1
> make_no_newt_O: make NO_NEWT=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_install_O: make install
> make_no_auxtrace_O: make NO_AUXTRACE=1
> make_no_backtrace_O: make NO_BACKTRACE=1
> make_install_prefix_slash_O: make install prefix=/tmp/krava/
> make_clean_all_O: make clean all
> make_no_libpython_O: make NO_LIBPYTHON=1
> make_no_libaudit_O: make NO_LIBAUDIT=1
> make_no_libbionic_O: make NO_LIBBIONIC=1
> make_help_O: make help
> make_no_libelf_O: make NO_LIBELF=1
> make_tags_O: make tags
> make_no_libunwind_O: make NO_LIBUNWIND=1
> make_no_gtk2_O: make NO_GTK2=1
> make_pure_O: make
> make_static_O: make LDFLAGS=-static
> OK
> make: Leaving directory '/home/acme/git/linux/tools/perf'
Pulled, thanks a lot Arnaldo!
Ingo
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