Re: [GIT PULL 00/11] perf/core improvements and fixes

From: Ingo Molnar
Date: Sat May 07 2016 - 00:52:49 EST



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

> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> The following changes since commit c0edb7467c3d21b213ff734bfe810d81d2c6ed61:
>
> Merge tag 'perf-core-for-mingo-20160505' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-05-06 08:35:14 +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-20160506
>
> for you to fetch changes up to d5d71e86d226abe7e08df5763127ed2bd07649a1:
>
> perf trace: Move futex_op beautifier to tools/perf/trace/beauty/ (2016-05-06 13:00:59 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> User visible:
>
> - Fix ordering of kernel/user entries in 'caller' mode, where the kernel and
> user parts were being correctly inverted but kept in place wrt each other,
> i.e. 'callee' (k1, k2, u3, u4) became 'caller' (k2, k1, u4, u3) when it
> should be 'caller' (u4, u3, k2, k1) (Chris Phlipot)
>
> - In 'perf trace' don't print the raw arg syscall args for a syscall that has
> no arguments, like gettid(). This was happening because just checking if
> the syscall args list is NULL may mean that there are no args (e.g.: gettid)
> or that there is no tracepoint info (e.g.: clone) (Arnaldo Carvalho de Melo)
>
> - Add extra output of counter values with 'perf stat -vv' (Andi Kleen)
>
> Infrastructure:
>
> - Expose callchain db export via the python API (Chris Phlipot)
>
> Code reorganization:
>
> - Move some more syscall arg beautifiers from the 'perf trace' main file to
> separate files in tools/perf/trace/beauty/, to reduce the main file line
> count (Arnaldo Carvalho de Melo)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Andi Kleen (1):
> perf stat: Add extra output of counter values with -vv
>
> Arnaldo Carvalho de Melo (4):
> perf trace: Do not print raw args list for syscalls with no args
> perf trace: Move signum beautifier to tools/perf/trace/beauty/
> perf trace: Move open_flags beautifier to tools/perf/trace/beauty/
> perf trace: Move futex_op beautifier to tools/perf/trace/beauty/
>
> Chris Phlipot (6):
> perf callchain: Fix incorrect ordering of entries
> perf tools: Refactor code to move call path handling out of thread-stack
> perf script: Enable db export to output sampled callchains
> perf script: Add call path id to exported sample in db export
> perf script: Expose usage of the callchain db export via the python api
> perf script: Update export-to-postgresql to support callchain export
>
> tools/perf/builtin-stat.c | 8 +
> tools/perf/builtin-trace.c | 165 ++-------------------
> tools/perf/scripts/python/export-to-postgresql.py | 47 +++---
> tools/perf/trace/beauty/futex_op.c | 44 ++++++
> tools/perf/trace/beauty/open_flags.c | 56 +++++++
> tools/perf/trace/beauty/signum.c | 53 +++++++
> tools/perf/util/Build | 1 +
> tools/perf/util/call-path.c | 122 +++++++++++++++
> tools/perf/util/call-path.h | 77 ++++++++++
> tools/perf/util/db-export.c | 85 +++++++++++
> tools/perf/util/db-export.h | 3 +
> tools/perf/util/machine.c | 56 +++++--
> .../util/scripting-engines/trace-event-python.c | 36 ++++-
> tools/perf/util/thread-stack.c | 139 +----------------
> tools/perf/util/thread-stack.h | 31 ++--
> 15 files changed, 575 insertions(+), 348 deletions(-)
> create mode 100644 tools/perf/trace/beauty/futex_op.c
> create mode 100644 tools/perf/trace/beauty/open_flags.c
> create mode 100644 tools/perf/trace/beauty/signum.c
> create mode 100644 tools/perf/util/call-path.c
> create mode 100644 tools/perf/util/call-path.h

Pulled, thanks a lot Arnaldo!

Ingo