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Message-ID: <20171228151741.dn4tlwi43ogrlr4t@gmail.com>
Date: Thu, 28 Dec 2017 16:17:41 +0100
From: Ingo Molnar <mingo@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
Adrian Hunter <adrian.hunter@...el.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>,
bhargavb <bhargavaramudu@...il.com>,
Cheng Jian <cj.chengjian@...wei.com>,
David Ahern <dsahern@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Ganapatrao Kulkarni <ganapatrao.kulkarni@...ium.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>,
Jin Yao <yao.jin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>,
Jonathan Hermann <jonathan.hermann@...ibm.com>,
Kan Liang <kan.liang@...el.com>,
Kim Phillips <kim.phillips@....com>,
Li Bin <huawei.libin@...wei.com>,
linux-arm-kernel@...ts.infradead.org,
linux-rt-users@...r.kernel.org,
linux s390 list <linux-s390@...r.kernel.org>,
Martin Schwidefsky <schwidefsky@...ibm.com>,
Masami Hiramatsu <mhiramat@...nel.org>,
Mengting Zhang <zhangmengting@...wei.com>,
Michael Petlan <mpetlan@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
"Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
Paul Clarke <pc@...ibm.com>,
Peter Zijlstra <peterz@...radead.org>,
Pravin Shedge <pravin.shedge4linux@...il.com>,
Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>,
Steven Rostedt <rostedt@...dmis.org>,
Thomas Gleixner <tglx@...utronix.de>,
Thomas Richter <tmricht@...ux.vnet.ibm.com>,
Wang Nan <wangnan0@...wei.com>,
Will Deacon <will.deacon@....com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 00/35] perf/core improvements and fixes
* Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
>
> Test results at the end of this message, as usual.
>
> The following changes since commit faaf95677f33dac910b6cbe917cabea43c8c1616:
>
> Merge branch 'perf/urgent' into perf/core, to pick up fixes (2017-12-18 18:13:00 +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-4.16-20171227
>
> for you to fetch changes up to 5d4fd9c8b83b36d34521b3af361a5726899045bf:
>
> perf tools: Auto-complete for events with ':' (2017-12-27 12:16:00 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> - Allow system wide 'perf stat --per-thread', sorting the result (Jin Yao)
>
> E.g.:
>
> [root@...et ~]# perf stat --per-thread --metrics IPC
> ^C
> Performance counter stats for 'system wide':
>
> make-22229 23,012,094,032 inst_retired.any # 0.8 IPC
> cc1-22419 692,027,497 inst_retired.any # 0.8 IPC
> gcc-22418 328,231,855 inst_retired.any # 0.9 IPC
> cc1-22509 220,853,647 inst_retired.any # 0.8 IPC
> gcc-22486 199,874,810 inst_retired.any # 1.0 IPC
> as-22466 177,896,365 inst_retired.any # 0.9 IPC
> cc1-22465 150,732,374 inst_retired.any # 0.8 IPC
> gcc-22508 112,555,593 inst_retired.any # 0.9 IPC
> cc1-22487 108,964,079 inst_retired.any # 0.7 IPC
> qemu-system-x86-2697 21,330,550 inst_retired.any # 0.3 IPC
> systemd-journal-551 20,642,951 inst_retired.any # 0.4 IPC
> docker-containe-17651 9,552,892 inst_retired.any # 0.5 IPC
> dockerd-current-9809 7,528,586 inst_retired.any # 0.5 IPC
> make-22153 12,504,194,380 inst_retired.any # 0.8 IPC
> python2-22429 12,081,290,954 inst_retired.any # 0.8 IPC
> <SNIP>
> python2-22429 15,026,328,103 cpu_clk_unhalted.thread
> cc1-22419 826,660,193 cpu_clk_unhalted.thread
> gcc-22418 365,321,295 cpu_clk_unhalted.thread
> cc1-22509 279,169,362 cpu_clk_unhalted.thread
> gcc-22486 210,156,950 cpu_clk_unhalted.thread
> <SNIP>
>
> 5.638075538 seconds time elapsed
>
> [root@...et ~]#
>
> - Improve shell auto-completion of perf events (Jin Yao)
>
> - Fix symbol fixup issues in arm64 due to ELF type (Kim Phillips)
>
> - Ignore threads when they vanish after procfs based enumeration and
> before we try to use them with sys_perf_event_open(), i.e. just remove
> them from the thread_map and continue with the rest. This makes, among
> other cases, the previous new feature (perf stat --per-thread for system
> wide, albeit that not seeming to be the motivation for this patch) more
> robust. (Mengting Zhang)
>
> - Generate s390 syscall table from asm/unistd.h, doing like x86,
> removing the dependency on audit-libs to do this id->string translation,
> speeding up the support for newly introducted syscalls (Hendrik Brueckner)
>
> - Fix 'perf test' on filesystems where readdir() returns d_type == DT_UNKNOWN,
> such as XFS (Jiri Olsa)
>
> - Fix PERF_SAMPLE_RAW_DATA endianity handling for cross-arch tracepoint
> processing (Jiri Olsa)
>
> - Add __return suffix for return events in 'perf probe', streamlining
> entry/exit tracing (Masami Hiramatsu)
>
> - Improve support for versioned symbols in 'perf probe" (Masami Hiramatsu)
>
> - Clarify error message about invalid 'perf probe' event names (Masami Hiramatsu)
>
> - Fix check open filename arg using 'perf trace' in a 'perf test' entry for
> systems using glibc >= 2.26, such as some ARM and s390 distros (Michael Petlan)
>
> - Make method for obtaining the (normalized) architecture id for a
> perf.data file or for the running system used by the annotation routines
> generally available, next user will be for generating per arch errno
> string tables to allow for pretty printing errno codes recorded in a
> perf.data file in architecture A to be properly decoded on hardware
> archictecture B. (Arnaldo Carvalho de Melo)
>
> - Remove duplicate includes, found using scripts/checkincludes.pl (Pravin Shedge)
>
> - s390 needs -fPIC, enable it, also revert a patch that supposedly did
> that but instead enabled -fPIC for x86 (Hendrik Brueckner, Arnaldo Carvalho de Melo)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (4):
> perf annotate: Get the cpuid from evsel->evlist->env in symbol__annotate()
> perf annotate: Use perf_env when obtaining the arch name
> perf env: Adopt perf_env__arch() from the annotate code
> Revert "perf s390: Always build with -fPIC"
>
> Hendrik Brueckner (4):
> tools include s390: Grab a copy of arch/s390/include/uapi/asm/unistd.h
> perf s390: Generate system call table from asm/unistd.h
> perf trace: Use generated syscall table on s390 too
> perf s390: Always build with -fPIC
>
> Jin Yao (14):
> perf stat: Define a structure for per-thread shadow stats
> perf stat: Extend rbtree to support per-thread shadow stats
> perf stat: Create the runtime_stat init/exit function
> perf stat: Update per-thread shadow stats
> perf stat: Print per-thread shadow stats
> perf stat: Remove a set of shadow stats static variables
> perf stat: Allocate shadow stats buffer for threads
> perf stat: Update or print per-thread stats
> perf thread_map: Enumerate all threads from /proc
> perf stat: Remove --per-thread pid/tid limitation
> perf stat: Resort '--per-thread' result
> perf tool: Improve bash command line auto-complete for multiple events with comma
> perf tools: Return all events as auto-completions after comma
> perf tools: Auto-complete for events with ':'
>
> Jiri Olsa (3):
> perf utils: Move is_directory() to path.h
> perf test: Handle properly readdir DT_UNKNOWN
> perf evsel: Fix swap for samples with raw data
>
> Kim Phillips (1):
> perf probe arm64: Fix symbol fixup issues due to ELF type
>
> Masami Hiramatsu (6):
> perf probe: Add warning message if there is unexpected event name
> perf probe: Cut off the version suffix from event name
> perf probe: Add __return suffix for return events
> perf probe: Find versioned symbols from map
> perf string: Add {strdup,strpbrk}_esc()
> perf probe: Support escaped character in parser
>
> Mengting Zhang (1):
> perf evsel: Enable ignore_missing_thread for pid option
>
> Michael Petlan (1):
> perf test shell: Fix check open filename arg using 'perf trace'
>
> Pravin Shedge (1):
> perf perf: Remove duplicate includes
>
> tools/arch/s390/include/uapi/asm/unistd.h | 412 ++++++++++++++++++++
> tools/perf/Documentation/perf-probe.txt | 18 +-
> tools/perf/Makefile.config | 11 +-
> tools/perf/arch/arm64/util/Build | 1 +
> tools/perf/arch/arm64/util/sym-handling.c | 22 ++
> tools/perf/arch/common.c | 44 +--
> tools/perf/arch/common.h | 1 -
> tools/perf/arch/powerpc/util/sym-handling.c | 8 +
> tools/perf/arch/s390/Makefile | 21 ++
> tools/perf/arch/s390/entry/syscalls/mksyscalltbl | 36 ++
> tools/perf/bench/futex-hash.c | 1 -
> tools/perf/builtin-c2c.c | 3 -
> tools/perf/builtin-record.c | 5 +-
> tools/perf/builtin-script.c | 20 +-
> tools/perf/builtin-stat.c | 168 +++++++--
> tools/perf/builtin-top.c | 2 +-
> tools/perf/check-headers.sh | 1 +
> tools/perf/perf-completion.sh | 47 ++-
> tools/perf/tests/builtin-test.c | 10 +-
> tools/perf/tests/parse-events.c | 1 -
> tools/perf/tests/shell/trace+probe_vfs_getname.sh | 7 +-
> tools/perf/tests/thread-map.c | 2 +-
> tools/perf/ui/browsers/annotate.c | 4 +-
> tools/perf/ui/gtk/annotate.c | 2 +-
> tools/perf/util/annotate.c | 26 +-
> tools/perf/util/annotate.h | 2 +-
> tools/perf/util/auxtrace.c | 3 -
> tools/perf/util/env.c | 47 +++
> tools/perf/util/env.h | 2 +
> tools/perf/util/evlist.c | 3 +-
> tools/perf/util/evsel.c | 80 +++-
> tools/perf/util/evsel.h | 3 +-
> tools/perf/util/header.c | 2 -
> tools/perf/util/metricgroup.c | 2 -
> tools/perf/util/path.c | 14 +
> tools/perf/util/path.h | 3 +
> tools/perf/util/probe-event.c | 85 +++--
> tools/perf/util/python-ext-sources | 1 +
> .../util/scripting-engines/trace-event-python.c | 1 -
> tools/perf/util/stat-shadow.c | 416 ++++++++++++---------
> tools/perf/util/stat.c | 15 +-
> tools/perf/util/stat.h | 63 +++-
> tools/perf/util/string.c | 46 +++
> tools/perf/util/string2.h | 2 +
> tools/perf/util/symbol.c | 5 +
> tools/perf/util/symbol.h | 1 +
> tools/perf/util/syscalltbl.c | 4 +
> tools/perf/util/target.h | 7 +
> tools/perf/util/thread_map.c | 5 +-
> tools/perf/util/thread_map.h | 2 +-
> tools/perf/util/unwind-libunwind.c | 4 +-
> 51 files changed, 1328 insertions(+), 363 deletions(-)
> create mode 100644 tools/arch/s390/include/uapi/asm/unistd.h
> create mode 100644 tools/perf/arch/arm64/util/sym-handling.c
> create mode 100755 tools/perf/arch/s390/entry/syscalls/mksyscalltbl
Pulled, thanks a lot Arnaldo!
Ingo
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