Re: [GIT PULL 00/22] perf/core improvements and fixes

From: Ingo Molnar
Date: Fri Aug 28 2015 - 02:25:06 EST


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

> Hi Ingo,
>
> Please consider pulling, this replaces the previous perf-core-for-mingo
> pull req, replacing the last patch in that series and adding a few more fixes from
> Jiri and Wang,
>
> Thanks,
>
> - Arnaldo
>
> The following changes since commit 0e53909a1cf0153736fb52c216558a65530d8c40:
>
> Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-08-22 08:45:46 +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
>
> for you to fetch changes up to a2fb3382edbea83c6f2bf6ac15e3673b2e254aad:
>
> tracing/uprobes: Do not print '0x (null)' when offset is 0 (2015-08-26 10:43:01 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> User visible:
>
> - Add support for using several Intel PT features (CYC, MTC packets), the
> relevant documentation was updated: tools/perf/Documentation/intel-pt.txt,
> briefly describing those packets, its purposes, how to configure them in
> the event config terms and relevant external documentation for further
> reading. (Adrian Hunter)
>
> - Introduce support for probing at an absolute address, for user and kernel
> 'perf probe's, useful when one have the symbol maps on a developer machine
> but not on an embedded system (Wang Nan)
>
> - Fix 'perf probe' list results when a symbol can't be found or the
> address is zero and when an offset is provided without a function (Wang Nan)
>
> - Do not print '0x (null)' in uprobes when offset is zero (Wang Nan)
>
> - Clear the progress bar at the end of a ordered_events flush, fixing
> an UI artifact when, after ordering the events the screen doesn't get
> completely redraw, for instance, when an error window covers just the
> center of the screen and waits for user input. (Arnaldo Carvalho de Melo)
>
> - Fix 'annotate' segfault by resetting the dso find_symbol cache when removing
> symbols (Arnaldo Carvalho de Melo)
>
> Infrastructure:
>
> - Allow duplicate objects in the object list, just like it is possible to have
> things like this, in the kernel: (Jiri Olsa)
>
> drivers/Makefile:obj-$(CONFIG_PCI) += usb/
> drivers/Makefile:obj-$(CONFIG_USB_GADGET) += usb/
>
> - Fix Intel PT 'instructions' sample period (Adrian Hunter)
>
> - Prevent segfault when reading probe point with absolute address (Wang Nan)
>
> Build fixes:
>
> - Fix tarball build broken by pt/bts (Adrian Hunter)
>
> - Remove export.h from MANIFEST, fixing the perf tarball make target (Jiri Olsa)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Adrian Hunter (11):
> perf tools: Fix tarball build broken by pt/bts
> perf tools: Fix Intel PT 'instructions' sample period
> perf tools: Add Intel PT support for PSB periods
> perf tools: Add new Intel PT packet definitions
> perf tools: Pass Intel PT information for decoding MTC and CYC
> perf tools: Add Intel PT support for decoding MTC packets
> perf tools: Add Intel PT support for using MTC packets
> perf tools: Add Intel PT support for decoding CYC packets
> perf tools: Add Intel PT support for using CYC packets
> perf tools: Add Intel PT support for decoding TRACESTOP packets
> perf tools: Update Intel PT documentation
>
> Arnaldo Carvalho de Melo (3):
> perf annotate: Reset the dso find_symbol cache when removing symbols
> perf ui tui progress: Implement the ui_progress_ops->finish() method
> perf ordered_events: Clear the progress bar at the end of a flush
>
> Jiri Olsa (2):
> perf tools: Remove export.h from MANIFEST
> tools build: Allow duplicate objects in the object list
>
> Wang Nan (6):
> perf probe: Prevent segfault when reading probe point with absolute address
> perf probe: Fix list result when symbol can't be found
> perf probe: Fix list result when address is zero
> perf probe: Fix error reported when offset without function
> perf probe: Support probing at absolute address
> tracing/uprobes: Do not print '0x (null)' when offset is 0
>
> kernel/trace/trace_uprobe.c | 17 +-
> tools/build/Documentation/Build.txt | 1 +
> tools/build/Makefile.build | 2 +-
> tools/build/tests/ex/Build | 1 +
> tools/perf/Documentation/intel-pt.txt | 194 ++++++-
> tools/perf/MANIFEST | 1 -
> tools/perf/arch/x86/util/intel-pt.c | 271 +++++++++-
> tools/perf/builtin-annotate.c | 1 +
> tools/perf/ui/tui/progress.c | 19 +-
> tools/perf/util/dso.h | 2 +
> tools/perf/util/intel-pt-decoder/inat.c | 2 +-
> tools/perf/util/intel-pt-decoder/inat.h | 2 +-
> tools/perf/util/intel-pt-decoder/inat_types.h | 29 ++
> tools/perf/util/intel-pt-decoder/insn.c | 4 +-
> tools/perf/util/intel-pt-decoder/insn.h | 2 +-
> .../perf/util/intel-pt-decoder/intel-pt-decoder.c | 555 ++++++++++++++++++++-
> .../perf/util/intel-pt-decoder/intel-pt-decoder.h | 5 +
> .../util/intel-pt-decoder/intel-pt-insn-decoder.c | 2 +-
> .../util/intel-pt-decoder/intel-pt-pkt-decoder.c | 142 +++++-
> .../util/intel-pt-decoder/intel-pt-pkt-decoder.h | 6 +
> tools/perf/util/intel-pt.c | 67 ++-
> tools/perf/util/intel-pt.h | 5 +
> tools/perf/util/ordered-events.c | 3 +
> tools/perf/util/probe-event.c | 210 +++++++-
> tools/perf/util/probe-event.h | 4 +
> tools/perf/util/probe-finder.c | 21 +-
> tools/perf/util/symbol.c | 10 +
> 27 files changed, 1481 insertions(+), 97 deletions(-)
> create mode 100644 tools/perf/util/intel-pt-decoder/inat_types.h

Pulled, thanks a lot Arnaldo!

Ingo
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