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SubjectRe: [GIT PULL 0/9] perf/core improvements and fixes

* Arnaldo Carvalho de Melo <acme@kernel.org> wrote:

> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> Test results at the end of this message, as usual.
>
> The following changes since commit 3906a13a6b4e78fbc0def03a808f091f0dff1b44:
>
> Merge tag 'perf-core-for-mingo-4.12-20170327' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2017-03-28 07:44:43 +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-4.12-20170331
>
> for you to fetch changes up to fd5cead23f54697310bd565aa2a23ae5128080a0:
>
> perf trace: Beautify statx syscall 'flag' and 'mask' arguments (2017-03-31 14:42:31 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New features:
>
> - Beautify the statx syscall arguments in 'perf trace' (Arnaldo Carvalho de Melo)
>
> e.g.:
>
> System wide strace like session:
>
> # trace -e statx
> 16612.967 ( 0.028 ms): statx/4562 statx(dfd: CWD, filename: /tmp/statx, flags: SYMLINK_NOFOLLOW, mask: TYPE|MODE|NLINK|UID|GID|ATIME|MTIME|CTIME|INO|SIZE|BLOCKS|BTIME, buffer: 0x7ffef195d660) = 0
> 36050.891 ( 0.007 ms): statx/4576 statx(dfd: CWD, filename: /etc/passwd, flags: SYMLINK_NOFOLLOW|STATX_DONT_SYNC, mask: BTIME, buffer: 0x7ffda9bf50f0) = 0
> ^C#
>
> User visible:
>
> - Handle unpaired raw_syscalls:sys_exit events in 'perf trace', i.e. we
> shouldn't try to calculate duration or print the timestamp for a missing
> matching raw_syscalls:sys_enter (Arnaldo Carvalho de Melo)
>
> - Do not print "cycles: 0" in perf report LBR lines in platforms not
> supporting 'cycles', such as Intel's Broadwell (Jin Yao)
>
> - Handle missing $HOME env var (Jiri Olsa)
>
> - Map 8-bit registers (al, bl, etc), not supported in uprobes_events, to
> the next best thing (ax, bx, etc) supported (Ravi Bangoria)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (4):
> perf tools: Remove support for command aliases
> perf trace: Handle unpaired raw_syscalls:sys_exit event
> tools include uapi: Grab copies of stat.h and fcntl.h
> perf trace: Beautify statx syscall 'flag' and 'mask' arguments
>
> Colin Ian King (1):
> perf utils: Fix spelling mistake: "Invalud" -> "Invalid"
>
> Jin Yao (1):
> perf report: Drop cycles 0 for LBR print
>
> Jiri Olsa (1):
> perf tools: Do not fail in case of empty HOME env variable
>
> Ravi Bangoria (2):
> perf/sdt/x86: Add renaming logic for (missing) 8 bit registers
> perf/sdt/x86: Move OP parser to tools/perf/arch/x86/
>
> tools/include/linux/types.h | 1 +
> tools/include/uapi/linux/fcntl.h | 72 +++++++++
> tools/include/uapi/linux/stat.h | 176 ++++++++++++++++++++
> tools/perf/Build | 1 +
> tools/perf/MANIFEST | 2 +
> tools/perf/arch/x86/entry/syscalls/syscall_64.tbl | 1 +
> tools/perf/arch/x86/util/perf_regs.c | 187 ++++++++++++++++++----
> tools/perf/builtin-help.c | 13 --
> tools/perf/builtin-trace.c | 57 ++++---
> tools/perf/check-headers.sh | 2 +
> tools/perf/perf.c | 97 +----------
> tools/perf/trace/beauty/Build | 1 +
> tools/perf/trace/beauty/beauty.h | 24 +++
> tools/perf/trace/beauty/statx.c | 72 +++++++++
> tools/perf/util/Build | 1 -
> tools/perf/util/alias.c | 78 ---------
> tools/perf/util/cache.h | 1 -
> tools/perf/util/callchain.c | 111 ++++++++-----
> tools/perf/util/config.c | 54 ++++---
> tools/perf/util/help-unknown-cmd.c | 8 +-
> tools/perf/util/hist.c | 2 +-
> tools/perf/util/perf_regs.c | 6 +-
> tools/perf/util/perf_regs.h | 11 +-
> tools/perf/util/probe-file.c | 132 +++++----------
> 24 files changed, 707 insertions(+), 403 deletions(-)
> create mode 100644 tools/include/uapi/linux/fcntl.h
> create mode 100644 tools/include/uapi/linux/stat.h
> create mode 100644 tools/perf/trace/beauty/Build
> create mode 100644 tools/perf/trace/beauty/beauty.h
> create mode 100644 tools/perf/trace/beauty/statx.c
> delete mode 100644 tools/perf/util/alias.c

Pulled, thanks a lot Arnaldo!

Ingo

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