linux-kernel - Re: [PATCH v4 0/7] Thread memory improvements and fixes

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Date: Mon,  4 Mar 2024 10:57:12 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: Ian Rogers <irogers@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Yang Jihong <yangjihong1@...wei.com>,
	linux-perf-users@...r.kernel.org,
	Ingo Molnar <mingo@...hat.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	linux-kernel@...r.kernel.org,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: Re: [PATCH v4 0/7] Thread memory improvements and fixes

On Thu, 29 Feb 2024 21:36:38 -0800, Ian Rogers wrote:
> The next 6 patches (now 7) from:
> https://lore.kernel.org/lkml/20240202061532.1939474-1-irogers@google.com/
> now the initial maps fixes have landed:
> https://lore.kernel.org/all/20240210031746.4057262-1-irogers@google.com/
> 
> Separate out and reimplement threads to use a hashmap for lower memory
> consumption and faster look up. The fixes a regression in memory usage
> where reference count checking switched to using non-invasive tree
> nodes.  Reduce threads default size by 32 times and improve locking
> discipline. Also, fix regressions where tids had become unordered to
> make `perf report --tasks` and `perf trace --summary` output easier to
> read.
> 
> [...]

Applied to perf-tools-next, thanks!

Best regards,
-- 
Namhyung Kim <namhyung@...nel.org>