Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1391245

Re: [PATCH perf/core v2 0/8] perf tools: Update strbuf to remove xrealloc

From Arnaldo Carvalho de Melo <acme@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH perf/core v2 0/8] perf tools: Update strbuf to remove xrealloc
Date 2016-04-29 17:20 +0200
Message-ID <rtin0-8fU-29@gated-at.bofh.it> (permalink)
References <rtidl-8c3-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Em Sat, Apr 30, 2016 at 12:09:41AM +0900, Masami Hiramatsu escreveu:
> Hi Arnaldo, 
> 
> Here is the 2nd version of the strbuf update, and just rebased on
> the latest perf/core :) In order to avoid confusion, I've added
> v2 on tag.
> 
> This patch series does refactoring strbuf and xrealloc related code
> to remove xrealloc since it can call die() to exit immediately when
> it hits any error. Instead of that, it should return error code to
> the caller so that the caller can handle its error.
> 
> Thus, at first, this changes the strbuf APIs to return error code
> instead of die() immediately. And then changing API callers according
> to the following rules.
>  - Check the return value of strbuf APIs and handle errors and,
>    - If the caller returns an error code (errno), it returns
>      the return value of strbuf APIs.
>    - If the caller just return -1 or NULl in error case, it also
>      returns -1 or NULL in case of strbuf error. 
>    - If the caller can call die() directly, it also call die()
>      in case of strbuf error.
>  - Error checking patches are splitted for each subcommand, since
>    it will help review.
> 
> This also removes xrealloc and ALLOC_GROW from libperf, so that no
> one use it anymore.

Thanks a lot, I'll try reviewing this this weekend,

- Arnaldo
 
> Thank you,
> 
> ---
> 
> Masami Hiramatsu (8):
>       perf: Rewrite strbuf not to die
>       perf probe: Check the return value of strbuf APIs
>       perf help: Make check_emacsclient_version to check strbuf APIs
>       perf: Make alias handler to check return value of strbuf
>       perf header: Make topology checkers to check return value of strbuf
>       perf pmu: Make pmu_formats_string to check return value of strbuf
>       perf help: Do not use ALLOC_GROW in add_cmd_list
>       perf tools: Remove xrealloc and ALLOC_GROW
> 
> 
>  tools/perf/builtin-help.c          |   18 ++--
>  tools/perf/perf.c                  |    8 +-
>  tools/perf/util/Build              |    1 
>  tools/perf/util/cache.h            |   19 -----
>  tools/perf/util/dwarf-aux.c        |   50 +++++-------
>  tools/perf/util/header.c           |   31 +++++---
>  tools/perf/util/help-unknown-cmd.c |   30 +++++--
>  tools/perf/util/pmu.c              |   10 +-
>  tools/perf/util/probe-event.c      |  146 +++++++++++++++++++++---------------
>  tools/perf/util/probe-finder.c     |   30 ++++---
>  tools/perf/util/quote.c            |   36 +++++----
>  tools/perf/util/quote.h            |    2 
>  tools/perf/util/strbuf.c           |   93 +++++++++++++++++------
>  tools/perf/util/strbuf.h           |   25 ++++--
>  tools/perf/util/util.h             |    6 -
>  tools/perf/util/wrapper.c          |   29 -------
>  16 files changed, 291 insertions(+), 243 deletions(-)
>  delete mode 100644 tools/perf/util/wrapper.c
> 
> --
> Masami Hiramatsu

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH perf/core v2 0/8] perf tools: Update strbuf to remove xrealloc Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:10 +0200
  [PATCH perf/core v2 2/8] perf probe: Check the return value of strbuf APIs Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:20 +0200
    Re: [PATCH perf/core v2 2/8] perf probe: Check the return value of  strbuf APIs Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 01:50 +0200
      Re: [PATCH perf/core v2 2/8] perf probe: Check the return value of  strbuf APIs Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-10 04:40 +0200
  [PATCH perf/core v2 5/8] perf header: Make topology checkers to check return value of strbuf Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:20 +0200
    Re: [PATCH perf/core v2 5/8] perf header: Make topology checkers to  check return value of strbuf Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 02:00 +0200
      Re: [PATCH perf/core v2 5/8] perf header: Make topology checkers to  check return value of strbuf Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-10 05:00 +0200
  [PATCH perf/core v2 8/8] perf tools: Remove xrealloc and ALLOC_GROW Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:20 +0200
    Re: [PATCH perf/core v2 8/8] perf tools: Remove xrealloc and  ALLOC_GROW Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 02:00 +0200
  [PATCH perf/core v2 3/8] perf help: Make check_emacsclient_version to check strbuf APIs Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:20 +0200
    Re: [PATCH perf/core v2 3/8] perf help: Make  check_emacsclient_version to check strbuf APIs Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 02:00 +0200
  [PATCH perf/core v2 4/8] perf: Make alias handler to check return value of strbuf Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:20 +0200
    Re: [PATCH perf/core v2 4/8] perf: Make alias handler to check  return value of strbuf Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 02:00 +0200
  [PATCH perf/core v2 6/8] perf pmu: Make pmu_formats_string to check return value of strbuf Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:20 +0200
    Re: [PATCH perf/core v2 6/8] perf pmu: Make pmu_formats_string to  check return value of strbuf Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 02:00 +0200
  [PATCH perf/core v2 7/8] perf help: Do not use ALLOC_GROW in add_cmd_list Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:20 +0200
    Re: [PATCH perf/core v2 7/8] perf help: Do not use ALLOC_GROW in  add_cmd_list Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 02:00 +0200
  Re: [PATCH perf/core v2 0/8] perf tools: Update strbuf to remove  xrealloc Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-29 17:20 +0200
  [PATCH perf/core v2 1/8] perf: Rewrite strbuf not to die Masami Hiramatsu <mhiramat@kernel.org> - 2016-04-29 17:20 +0200
    Re: [PATCH perf/core v2 1/8] perf: Rewrite strbuf not to die Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 01:30 +0200
      Re: [PATCH perf/core v2 1/8] perf: Rewrite strbuf not to die Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-05-06 01:50 +0200
      Re: [PATCH perf/core v2 1/8] perf: Rewrite strbuf not to die Masami Hiramatsu <mhiramat@kernel.org> - 2016-05-10 03:10 +0200

csiph-web