linux-kernel - Re: [PATCHSET 0/9] perf annotate: More memory footprint reduction

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Date: Mon, 8 Apr 2024 10:56:22 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Ian Rogers <irogers@...gle.com>, Kan Liang <kan.liang@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	linux-perf-users@...r.kernel.org
Subject: Re: [PATCHSET 0/9] perf annotate: More memory footprint reduction

On Thu, Apr 04, 2024 at 10:57:07AM -0700, Namhyung Kim wrote:
> Hello,
> 
> This work is continuation of the previous work to reduce the memory
> usage in symbol and annotation structures.  Basically I moved some
> fields in the annotation which consume spaces in the struct symbol
> which is allocated regardless if the symbol has a sample or not when
> annotation is enabled.
> 
> With this change applied, the struct annotation only has two members -
> annotated_source and annotated_branch.  The next step would be to
> remove the struct annotation and to have a hash table from symbol to
> each annotated struct directly.
> 
> No function changes intended.
> 
> The code is available at perf/annotate-diet-v3 branch in
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git

Thanks, applied to perf-tools-next,

- Arnaldo