linux-kernel - Re: [PATCH perf/core v9 00/16] perf-probe --cache and SDT support

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Date:	Mon, 30 May 2016 13:22:52 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Masami Hiramatsu <mhiramat@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Hemant Kumar <hemant@...ux.vnet.ibm.com>,
	Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>,
	Brendan Gregg <brendan.d.gregg@...il.com>
Subject: Re: [PATCH perf/core v9 00/16] perf-probe --cache and SDT support

Em Sun, May 29, 2016 at 12:15:01AM +0900, Masami Hiramatsu escreveu:
> Hi,
> 
> Here is the 9th version of the patchset for probe-cache and 
> initial SDT support.

Ok, for completeness sake: Where does one learn more about "SDT", I
couldn't find a description of this in this patchkit, /me goes googling
around...

- Arnaldo
 
> The previous version is here; https://lkml.org/lkml/2016/5/14/107
> 
> This version just fixes 2 points according to Hemant's comment,
> and split out the filename__readable() patch.
> 
> Changes in v9:
>   - [1/16,2/16] split out the filename__readable()
>   - [7/16] Fix to show which event is deleted.
>   - [12/16] Update list_usage to show sdt option.
> 
> Thank you,
> 
> ---
> 
> Hemant Kumar (1):
>       perf/sdt: ELF support for SDT
> 
> Masami Hiramatsu (15):
>       perf-symbol: Introduce filename__readable to check readability
>       perf symbol: Cleanup the code flow of dso__find_kallsyms
>       perf-buildid-cache: Use path/to/bin/buildid/elf instead of path/to/bin/buildid
>       perf probe: Add --cache option to cache the probe definitions
>       perf probe: Use cache entry if possible
>       perf probe: Show all cached probes
>       perf probe: Remove caches when --cache is given
>       perf probe: Add group name support
>       perf buildid-cache: Scan and import user SDT events to probe cache
>       perf probe: Accept %sdt and %cached event name
>       perf-list: Show SDT and pre-cached events
>       perf-list: Skip SDTs placed in invalid binaries
>       perf probe: Allow wildcard for cached events
>       perf probe: Support @BUILDID or @FILE suffix for SDT events
>       perf probe: Support a special SDT probe format
> 
> 
>  tools/perf/Documentation/perf-probe.txt |   26 +-
>  tools/perf/builtin-list.c               |    6 
>  tools/perf/builtin-probe.c              |   30 ++
>  tools/perf/util/build-id.c              |  295 ++++++++++++++++--
>  tools/perf/util/build-id.h              |    8 
>  tools/perf/util/dso.h                   |    5 
>  tools/perf/util/parse-events.c          |   83 +++++
>  tools/perf/util/parse-events.h          |    2 
>  tools/perf/util/probe-event.c           |  492 +++++++++++++++++++++++++++---
>  tools/perf/util/probe-event.h           |    7 
>  tools/perf/util/probe-file.c            |  504 +++++++++++++++++++++++++++++++
>  tools/perf/util/probe-file.h            |   41 +++
>  tools/perf/util/symbol-elf.c            |  252 ++++++++++++++++
>  tools/perf/util/symbol.c                |   71 ++--
>  tools/perf/util/symbol.h                |   22 +
>  15 files changed, 1712 insertions(+), 132 deletions(-)
> 
> --
> Masami Hiramatsu