From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
David Ahern <dsahern@gmail.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH 08/19] perf tools: Add mem2node object
Date: Thu, 8 Mar 2018 10:00:31 -0300 [thread overview]
Message-ID: <20180308130031.GB3701@kernel.org> (raw)
In-Reply-To: <20180308125849.GA3701@kernel.org>
Em Thu, Mar 08, 2018 at 09:58:49AM -0300, Arnaldo Carvalho de Melo escreveu:
> We end up leaking entries when what I'm suggesting you to do is to
> not clobber entries with the return of realloc() (doing it this way most
> of the time leads to bugs), but instead store it to a temp var
> (nentries), and if it succeeds, then you know that you can
> set nentries to entries and go ahead with your nicely shrunk block of
> memory.
> If it fails, then you continue with the original block of memory, that
> continues to have what you just set up, etc.
> Lemme look a third time to your original patch, I must be missing
> something...
I don't think I'm missing anything ;-)
- Arnaldo
next prev parent reply other threads:[~2018-03-08 13:00 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-07 15:50 [PATCH 00/19] perf tools: Assorted fixes Jiri Olsa
2018-03-07 15:50 ` [PATCH 01/19] perf report: Fix the output for stdio events list Jiri Olsa
2018-03-09 8:51 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 02/19] perf report: Display perf.data header info Jiri Olsa
2018-03-09 8:52 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 03/19] perf record: Move machine variable down the function Jiri Olsa
2018-03-09 8:52 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 04/19] perf record: Remove progname from struct record Jiri Olsa
2018-03-09 8:53 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 05/19] perf tools: Add refcnt into struct mem_info Jiri Olsa
2018-03-07 18:56 ` Arnaldo Carvalho de Melo
2018-03-08 10:59 ` Jiri Olsa
2018-03-09 8:53 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 06/19] perf c2c: Use mem_info refcnt logic Jiri Olsa
2018-03-09 8:54 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 07/19] perf tools: Add MEM_TOPOLOGY feature to perf data file Jiri Olsa
2018-03-07 19:28 ` Arnaldo Carvalho de Melo
2018-03-09 8:54 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 08/19] perf tools: Add mem2node object Jiri Olsa
2018-03-07 19:27 ` Arnaldo Carvalho de Melo
2018-03-08 11:03 ` Jiri Olsa
2018-03-08 12:58 ` Arnaldo Carvalho de Melo
2018-03-08 13:00 ` Arnaldo Carvalho de Melo [this message]
2018-03-08 13:18 ` Jiri Olsa
2018-03-07 15:50 ` [PATCH 09/19] perf tests: Add mem2node object test Jiri Olsa
2018-03-07 15:50 ` [PATCH 10/19] perf c2c record: Record physical addresses in samples Jiri Olsa
2018-03-07 15:50 ` [PATCH 11/19] perf c2c report: Make calc_width work with struct c2c_hist_entry Jiri Olsa
2018-03-07 15:50 ` [PATCH 12/19] perf c2c report: Call calc_width only for displayed entries Jiri Olsa
2018-03-07 15:50 ` [PATCH 13/19] perf c2c report: Display node for cacheline address Jiri Olsa
2018-03-07 15:50 ` [PATCH 14/19] perf c2c report: Add span header over cacheline data Jiri Olsa
2018-03-07 15:50 ` [PATCH 15/19] perf c2c report: Add cacheline address count column Jiri Olsa
2018-03-07 15:50 ` [PATCH 16/19] perf tools: Update tags with .cpp files Jiri Olsa
2018-03-07 19:28 ` Arnaldo Carvalho de Melo
2018-03-09 8:55 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 17/19] perf build: Add llvm/clang/cxx make tests into FEATURE_TESTS_EXTRA Jiri Olsa
2018-03-09 8:55 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 18/19] perf build: Add llvm/clang make targets to FILES Jiri Olsa
2018-03-09 8:56 ` [tip:perf/core] " tip-bot for Jiri Olsa
2018-03-07 15:50 ` [PATCH 19/19] perf build: Force llvm/clang test compile output to .make.output Jiri Olsa
2018-03-07 19:30 ` Arnaldo Carvalho de Melo
2018-03-09 8:56 ` [tip:perf/core] " tip-bot for Jiri Olsa
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