From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8E976216C; Mon, 4 Mar 2024 18:57:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709578634; cv=none; b=NapJEUIlzTJowDcHb8phSDpKxVfMu1DVhsg/lHR9U48BRcj7jv+CCE+FBI/bHEDyVTt6a5JzcK4/0I1ykDfPeGsXcMoQ/eF2C3HUwkL3VhVcwwjs4UY4YZdKbPHFxBfwt0u2aVNOOqTl2hXoTk9XqFBVa2Vqdg8xOAZDK3OlP5M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709578634; c=relaxed/simple; bh=/EhQrRi+aF9jxKoHeK2K8/pKbZ1CywMZcwDYE9ciYwo=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=rVlINvSfHFfDjBSt/RmSUDvvwFPu9NmAl0M5jG31/NACMqhULoO/XngbAhH80lJjOPdRqPvHCv4CegFbhBRG5d/OXjiU2nzK+Gk2IHlFN9g7K2ItaZfVfK/D0V7YWKTT3y3KFl+AfupuLhyBXbD8qWEwx4UtGZsykByMkDZNqnI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=h3LJUGSR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="h3LJUGSR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC60AC433C7; Mon, 4 Mar 2024 18:57:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709578634; bh=/EhQrRi+aF9jxKoHeK2K8/pKbZ1CywMZcwDYE9ciYwo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=h3LJUGSRevjI1dYTdzrXwSaC+81ToZi62XnWvfbzvh/aOoC4KCMlDTdiDnoT5hven 3qRiwCAw/5ZV4QojsWWmUTeeB9vPmRMZdRhJB5ORGw3txm2KZ9fVlicQC8I2BSJv/1 ngqQCLM2t9uhHxssMcV5rpb71K8cRum3cL0AnrNZQ2WMO2gLae8CgIz5unuVA1LS+y 44dUB8ah2wns66cX3Cvra+axKpgKjfwDdoij4MXirAeJS6LRHXUtMSFpvRcIly20Qc FNi6WVbWMVn7ux6AODKPm2EHV1V61g+6ntQWzrHa01fyo2U5K5zvyiEr7ZuTcBmWBi doUoqzfEmxLuw== From: Namhyung Kim To: Ian Rogers , Arnaldo Carvalho de Melo , Peter Zijlstra , Oliver Upton , Adrian Hunter , Yang Jihong , linux-perf-users@vger.kernel.org, Ingo Molnar , Jiri Olsa , Mark Rutland , linux-kernel@vger.kernel.org, Alexander Shishkin Subject: Re: [PATCH v4 0/7] Thread memory improvements and fixes Date: Mon, 4 Mar 2024 10:57:12 -0800 Message-ID: <170957856865.1606352.14840215772677591593.b4-ty@kernel.org> X-Mailer: git-send-email 2.44.0.rc1.240.g4c46232300-goog In-Reply-To: <20240301053646.1449657-1-irogers@google.com> References: <20240301053646.1449657-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit 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