Re: [GIT PULL 0/9] perf/core improvements

From: Ingo Molnar
Date: Tue May 24 2016 - 01:42:29 EST



* Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:

> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> The following changes since commit 408cf677073a5d1a7343bc6430a7297ba7b280d4:
>
> Merge tag 'perf-core-for-mingo-20160520' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2016-05-20 19:37:43 +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-20160523
>
> for you to fetch changes up to 3a62a7b8200a177ad96161e4f2678514e6ee301e:
>
> perf record: Read from backward ring buffer (2016-05-23 18:22:48 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements:
>
> User visible:
>
> - Add "srcline_from" and "srcline_to" branch sort keys to 'perf top' and
> 'perf report' (Andi Kleen)
>
> Infrastructure:
>
> - Make 'perf trace' auto-attach fd->name and ptr->name beautifiers based
> on the name of syscall arguments, this way new syscalls that have
> 'const char * (path,pathname,filename)' will use the fd->name beautifier
> (vfs_getname perf probe, if in place) and the 'fd->name' (vfs_getname
> or via /proc/PID/fd/) (Arnaldo Carvalho de Melo)
>
> - Infrastructure to read from a ring buffer in backward write mode (Wang Nan)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Andi Kleen (1):
> perf report: Add srcline_from/to branch sort keys
>
> Arnaldo Carvalho de Melo (2):
> perf trace: Use the fd->name beautifier as default for "fd" args
> perf trace: Use the ptr->name beautifier as default for "filename" args
>
> Wang Nan (6):
> perf evsel: Add overwrite attribute and check write_backward
> perf evsel: Record fd into perf_mmap
> perf evlist: Add API to pause/resume
> perf record: Prevent reading invalid data in record__mmap_read
> perf record: Rename variable to make code clear
> perf record: Read from backward ring buffer
>
> tools/perf/Documentation/perf-report.txt | 3 +-
> tools/perf/builtin-record.c | 81 ++++++++--
> tools/perf/builtin-trace.c | 248 ++++++++++++-------------------
> tools/perf/util/evlist.c | 34 +++++
> tools/perf/util/evlist.h | 4 +
> tools/perf/util/evsel.c | 13 ++
> tools/perf/util/evsel.h | 1 +
> tools/perf/util/hist.c | 9 ++
> tools/perf/util/hist.h | 2 +
> tools/perf/util/sort.c | 84 +++++++++++
> tools/perf/util/sort.h | 2 +
> tools/perf/util/symbol.h | 2 +
> 12 files changed, 319 insertions(+), 164 deletions(-)

Pulled, thanks a lot Arnaldo!

Ingo