| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20170307071703.GA29708@gmail.com>
Date: Tue, 7 Mar 2017 08:17:03 +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>,
Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>,
Andi Kleen <ak@...ux.intel.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Borislav Petkov <bp@...e.de>,
Charles Baylis <charles.baylis@...aro.org>,
Dave Hansen <dave.hansen@...el.com>,
David Ahern <dsahern@...il.com>,
Davidlohr Bueso <dave@...olabs.net>,
David Windsor <dwindsor@...il.com>,
Elena Reshetova <elena.reshetova@...el.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Hans Liljestrand <ishkamiel@...il.com>,
Jiri Hladky <jhladky@...hat.com>, Jiri Olsa <jolsa@...nel.org>,
Kan Liang <kan.liang@...el.com>,
Karol Wachowski <karol.wachowski@...el.com>,
Kees Kook <keescook@...omium.org>, kernel-team@....com,
linuxppc-dev@...ts.ozlabs.org, Mark Rutland <mark.rutland@....com>,
Masami Hiramatsu <mhiramat@...nel.org>,
Matija Glavinic Pecotic <matija.glavinic-pecotic.ext@...ia.com>,
Maxim Kuvyrkov <maxim.kuvyrkov@...aro.org>,
Michael Ellerman <mpe@...erman.id.au>,
Namhyung Kim <namhyung@...nel.org>,
"Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
Peter Zijlstra <peterz@...radead.org>,
Piotr Luc <piotr.luc@...el.com>,
Robert Richter <rric@...nel.org>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
Steven Rostedt <rostedt@...dmis.org>,
Vince Weaver <vince@...ter.net>, Wang Nan <wangnan0@...wei.com>
Subject: Re: [GIT PULL 00/35] 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 of this message, as usual.
>
> The following changes since commit 9d020d33fc1b2faa0eb35859df1381ca5dc94ffe:
>
> Merge branch 'linus' into perf/urgent, to resolve conflict (2017-03-02 08:05:45 +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-4.11-20170306
>
> for you to fetch changes up to 001916b94a04809a94abb07daba6f9ace01906ba:
>
> perf bench numa: Add more comment for -c option (2017-03-06 12:39:30 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New features:
>
> - Allow sorting by symbol_size in 'perf report' and 'perf top' (Charles Baylis)
>
> E.g.:
>
> # perf report -s symbol_size,symbol
>
> Samples: 9K of event 'cycles:k', Event count (approx.): 2870461623
> Overhead Symbol size Symbol
> 14.55% 326 [k] flush_tlb_mm_range
> 7.20% 1045 [k] filemap_map_pages
> 5.82% 124 [k] vma_interval_tree_insert
> 5.18% 2430 [k] unmap_page_range
> 2.57% 571 [k] vma_interval_tree_remove
> 1.94% 494 [k] page_add_file_rmap
> 1.82% 740 [k] page_remove_rmap
> 1.66% 1017 [k] release_pages
> 1.57% 1636 [k] update_blocked_averages
> 1.57% 76 [k] unlock_page
>
> - Add support for -p/--pid, -a/--all-cpus and -C/--cpu in 'perf ftrace' (Namhyung Kim)
>
> Change in behaviour:
>
> - Make system wide (-a) the default option if no target was specified and one
> of following conditions is met:
>
> - No workload specified (current behaviour)
>
> - A workload is specified but all requested events are system wide ones,
> like uncore ones. (Jiri Olsa)
>
> Fixes:
>
> - Add missing initialization to the instruction decoder used in the
> intel PT/BTS code, which was causing lots of failures in 'perf test',
> looking for a value when there was none (Adrian Hunter)
>
> Infrastructure:
>
> - Add arch code needed to adopt the kernel's refcount_t to aid in
> catching bugs when using atomic_t as a reference counter, basically
> cmpxchg related functions (Arnaldo Carvalho de Melo)
>
> - Convert the code using atomic_t as reference counts to refcount_t
> (Elena Rashetova)
>
> - Add feature test for sched_getcpu() to more easily check for its
> presence in the many libc implementations and accross different
> versions of such C libraries (Arnaldo Carvalho de Melo)
>
> - Issue a HW watchdog disable hint in 'perf stat' for when some of the
> requested events can't get counted because a PMU counter is taken by that
> watchdog (Borislav Petkov).
>
> - Add mapping for Intel's KnightsMill PMU events (Karol Wachowski)
>
> Documentation:
>
> - Clarify the term 'convergence' in:
>
> perf bench numa numa-mem -h --show_convergence (Jiri Olsa)
>
> Kernel code:
>
> - Ensure probe location is at function entry in kretprobes (Naveen N. Rao)
>
> - Allow return probes with offsets and absolute addresses (Naveen N. Rao)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
>
> ----------------------------------------------------------------
> Adrian Hunter (1):
> perf intel-PT/BTS: Add missing initialization
>
> Arnaldo Carvalho de Melo (12):
> tools include: Adopt __compiletime_error
> tools arch x86: Include asm/cmpxchg.h
> tools arch x86: Introduce atomic_cmpxchg()
> tools include: Introduce atomic_cmpxchg_{relaxed,release}()
> tools include: Provide gcc based cmpxchg fallback for !x86
> tools include: Add UINT_MAX def to kernel.h
> tools include: Adopt kernel's refcount.h
> perf evlist: Clarify a bit the use of perf_mmap->refcnt
> tools build: Add test for sched_getcpu()
> perf bench futex: Use __maybe_unused
> perf bench futex: Fix build on musl + clang
> tools build: Use the same CC for feature detection and actual build
>
> Borislav Petkov (1):
> perf stat: Issue a HW watchdog disable hint
>
> Charles Baylis (1):
> perf tools: Allow sorting by symbol size
>
> Elena Reshetova (9):
> perf cgroup: Convert cgroup_sel.refcnt from atomic_t to refcount_t
> perf cpumap: Convert cpu_map.refcnt from atomic_t to refcount_t
> perf comm: Convert comm_str.refcnt from atomic_t to refcount_t
> perf dso: Convert dso.refcnt from atomic_t to refcount_t
> perf map: Convert map.refcnt from atomic_t to refcount_t
> perf map: Convert map_groups.refcnt from atomic_t to refcount_t
> perf evlist: Convert perf_map.refcnt from atomic_t to refcount_t
> perf thread: convert thread.refcnt from atomic_t to refcount_t
> perf thread_map: Convert thread_map.refcnt from atomic_t to refcount_t
>
> Jiri Olsa (2):
> perf tools: Force uncore events to system wide monitoring
> perf bench numa: Add more comment for -c option
>
> Karol Wachowski (1):
> perf vendor events: Add mapping for KnightsMill PMU events
>
> Namhyung Kim (4):
> perf ftrace: Add support for --pid option
> perf cpumap: Introduce cpu_map__snprint_mask()
> perf ftrace: Add support for -a and -C option
> perf ftrace: Use pager for displaying result
>
> Naveen N. Rao (3):
> kretprobes: Ensure probe location is at function entry
> trace/kprobes: Allow return probes with offsets and absolute addresses
> perf probe: Generalize probe event file open routine
>
> Steven Rostedt (VMware) (1):
> trace/kprobes: Add back warning about offset in return probes
>
> include/linux/kprobes.h | 1 +
> kernel/kprobes.c | 13 ++
> kernel/trace/trace.c | 1 +
> kernel/trace/trace_kprobe.c | 9 +-
> tools/arch/x86/include/asm/atomic.h | 7 +
> tools/arch/x86/include/asm/cmpxchg.h | 89 ++++++++++++
> tools/build/Makefile.feature | 1 +
> tools/build/feature/Makefile | 10 +-
> tools/build/feature/test-all.c | 5 +
> tools/build/feature/test-sched_getcpu.c | 7 +
> tools/include/asm-generic/atomic-gcc.h | 8 ++
> tools/include/linux/atomic.h | 6 +
> tools/include/linux/compiler-gcc.h | 4 +
> tools/include/linux/compiler.h | 4 +
> tools/include/linux/kernel.h | 4 +
> tools/include/linux/refcount.h | 151 ++++++++++++++++++++
> tools/perf/Documentation/perf-ftrace.txt | 18 +++
> tools/perf/Documentation/perf-report.txt | 1 +
> tools/perf/MANIFEST | 2 +
> tools/perf/Makefile.config | 4 +
> tools/perf/bench/futex-hash.c | 1 +
> tools/perf/bench/futex-lock-pi.c | 1 +
> tools/perf/bench/futex-requeue.c | 1 +
> tools/perf/bench/futex-wake-parallel.c | 1 +
> tools/perf/bench/futex-wake.c | 1 +
> tools/perf/bench/futex.h | 10 +-
> tools/perf/bench/numa.c | 3 +-
> tools/perf/builtin-ftrace.c | 152 +++++++++++++++++----
> tools/perf/builtin-stat.c | 44 +++++-
> tools/perf/pmu-events/arch/x86/mapfile.csv | 1 +
> tools/perf/tests/cpumap.c | 2 +-
> tools/perf/tests/thread-map.c | 6 +-
> tools/perf/tests/thread-mg-share.c | 12 +-
> tools/perf/util/cgroup.c | 6 +-
> tools/perf/util/cgroup.h | 4 +-
> tools/perf/util/cloexec.h | 6 -
> tools/perf/util/comm.c | 15 +-
> tools/perf/util/cpumap.c | 62 +++++++--
> tools/perf/util/cpumap.h | 5 +-
> tools/perf/util/dso.c | 6 +-
> tools/perf/util/dso.h | 4 +-
> tools/perf/util/evlist.c | 31 +++--
> tools/perf/util/evlist.h | 4 +-
> tools/perf/util/hist.h | 1 +
> .../util/intel-pt-decoder/intel-pt-insn-decoder.c | 2 +
> tools/perf/util/machine.c | 2 +-
> tools/perf/util/map.c | 10 +-
> tools/perf/util/map.h | 10 +-
> tools/perf/util/parse-events.c | 5 +-
> tools/perf/util/probe-file.c | 20 +--
> tools/perf/util/probe-file.h | 1 +
> tools/perf/util/sort.c | 41 ++++++
> tools/perf/util/sort.h | 1 +
> tools/perf/util/thread.c | 6 +-
> tools/perf/util/thread.h | 4 +-
> tools/perf/util/thread_map.c | 20 +--
> tools/perf/util/thread_map.h | 4 +-
> tools/perf/util/util.h | 4 +-
> tools/scripts/Makefile.include | 9 ++
> 59 files changed, 720 insertions(+), 143 deletions(-)
> create mode 100644 tools/arch/x86/include/asm/cmpxchg.h
> create mode 100644 tools/build/feature/test-sched_getcpu.c
> create mode 100644 tools/include/linux/refcount.h
Pulled, thanks a lot Arnaldo!
Ingo
Powered by blists - more mailing lists