Re: [GIT PULL 00/17] perf/core improvements and fixes
From: Ingo Molnar
Date: Wed Apr 04 2018 - 01:26:02 EST
* Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> Test results at the end of this message, as usual.
>
> The following changes since commit 1159e09476536250c2a0173d4298d15114df7a89:
>
> perf/x86/intel: Enable C-state residency events for Cannon Lake (2018-03-31 11:28:36 +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-4.17-20180403
>
> for you to fetch changes up to 51125a29a395048fdb3429b8c4ca0ada57097744:
>
> perf trace: Remove redundant ')' (2018-04-03 16:16:41 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> - Show only failing syscalls with 'perf trace --failure' (Arnaldo Carvalho de Melo)
>
> e.g: See what 'openat' syscalls are failing:
>
> # perf trace --failure -e openat
> 762.323 ( 0.007 ms): VideoCapture/4566 openat(dfd: CWD, filename: /dev/video2) = -1 ENOENT No such file or directory
> <SNIP N /dev/videoN open attempts... sigh, where is that improvised camera lid?!? 8-) >
> 790.228 ( 0.008 ms): VideoCapture/4566 openat(dfd: CWD, filename: /dev/video63) = -1 ENOENT No such file or directory
> ^C#
>
> - Show information about the event (freq, nr_samples, total period/nr_events) in
> the annotate --tui and --stdio2 'perf annotate' output, similar to the
> first line in the 'perf report --tui', but just for the samples for
> the annotated symbol (Arnaldo Carvalho de Melo)
>
> - Introduce 'perf version --build-options' to show what features were
> linked, aliased as well as a shorter 'perf -vv' (Jin Yao)
>
> - Add a "dso_size" sort order (Kim Phillips)
>
> - Remove redundant ')' in the tracepoint output in 'perf trace' (Changbin Du)
>
> - Synchronize x86's cpufeatures.h, no effect on tools (Arnaldo Carvalho de Melo)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (9):
> tools headers: Synchronize x86's cpufeatures.h
> perf trace: Show only failing syscalls
> perf hists browser: Rename perf_evsel_browser_title to a more descriptive name
> perf hists: Introduce hists__scnprint_title()
> perf hists: Move hists__scnprintf_title() away from the TUI code
> perf ui browser: Move the extra title lines from the hists browser
> perf annotate: Introduce annotation__scnprintf_samples_period() method
> perf annotate browser: Show extra title line with event information
> perf annotate stdio2: Print more descriptive event information header
>
> Changbin Du (1):
> perf trace: Remove redundant ')'
>
> Jin Yao (5):
> perf config: Add some new -DHAVE_XXX to CFLAGS
> perf config: Rename to HAVE_DWARF_GETLOCATIONS_SUPPORT
> perf version: Print the compiled-in status of libraries
> perf tools: Add 'perf -vv' as an alias to 'perf version --build-options'
> perf version: Add man page
>
> Jiri Olsa (1):
> tools include: Add config.h header file
>
> Kim Phillips (1):
> perf tools: Add a "dso_size" sort order
>
> tools/arch/x86/include/asm/cpufeatures.h | 2 +
> tools/include/tools/config.h | 34 ++++++++
> tools/perf/Documentation/perf-report.txt | 1 +
> tools/perf/Documentation/perf-trace.txt | 3 +
> tools/perf/Documentation/perf-version.txt | 24 ++++++
> tools/perf/Makefile.config | 8 +-
> tools/perf/builtin-trace.c | 11 ++-
> tools/perf/builtin-version.c | 82 +++++++++++++++++++-
> tools/perf/perf.c | 6 ++
> tools/perf/perf.h | 1 +
> tools/perf/ui/browser.c | 8 +-
> tools/perf/ui/browser.h | 2 +
> tools/perf/ui/browsers/annotate.c | 31 +++++++-
> tools/perf/ui/browsers/hists.c | 125 +++++++-----------------------
> tools/perf/util/annotate.c | 48 ++++++++++--
> tools/perf/util/annotate.h | 12 +++
> tools/perf/util/dwarf-aux.c | 2 +-
> tools/perf/util/hist.c | 81 +++++++++++++++++++
> tools/perf/util/hist.h | 7 ++
> tools/perf/util/map.h | 4 +
> tools/perf/util/sort.c | 41 ++++++++++
> tools/perf/util/sort.h | 1 +
> 22 files changed, 418 insertions(+), 116 deletions(-)
> create mode 100644 tools/include/tools/config.h
> create mode 100644 tools/perf/Documentation/perf-version.txt
Pulled, thanks a lot Arnaldo!
Ingo