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 7B9BD101E6; Sun, 20 Apr 2025 19:47:58 +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=1745178479; cv=none; b=OcvjKr07764OLlBr0B6yrnpEbD88OZUGz1uJIsJMWrLJliFsKR2ibZovT8hLr/eNJ1MNoLWXyfHHps51wZYZ4Ccz/TKhREoEGOXXsu57egXc0lADiPgQNkhV0Cc4BX5yPj6Iv2MG5WgHywHwWFQllhA5KRN6fJWjI+AYG4687sc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745178479; c=relaxed/simple; bh=TE3wplbp/HpSIX1ikJZWqicehqT4BVmSMSnUx6glWCA=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=YCa95jEUdMuRN2O7JW3WoGec4OZ9vXvRQ8NCSUK+7XU8tY/9RFTFtU/zOduKAKRaNGr0jaeN1a90WY69WdLrw43MA2lmoaiiBt+Jpm32UoBS9mrRwbp0jUVDOZ79fk5YFTx1DNydaVvDW18jdg2hYuBELgoR+DCksKjJbzU6P2I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VkWDHalK; 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="VkWDHalK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BD0A5C4CEE2; Sun, 20 Apr 2025 19:47:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745178477; bh=TE3wplbp/HpSIX1ikJZWqicehqT4BVmSMSnUx6glWCA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VkWDHalKkgkCcv/OqNI2Z0TAjZ6fZxfxYkhSCO2hG0hm3j9nokhRXjqTgTFKGezxB ACdnGqy7889fNnhqDGPOSkKaeAq9H+hWe1rkaBlnM/ZLZPfcNaK5bTvnKWOUuStdtw rZYVzHOeHVyekj6+ksdm9dr/h/tSopSH4goVG6yK3yv+EjWryy+2vGIkPq2hFB5sJ4 zUSAF8x5UGCImqY8wZ8+aqQv1fFzxL/T/HUBtKRtEG6spT763prF0PjoYxzxN/YIiD Mgmp2iC6JxIyew/4w+6YC6pp9HM0sb9MN0n4wn6G2wGFlVxiCC7fpAJ9e0oZmxTwLU qb52K8nLzYjcg== From: SeongJae Park To: SeongJae Park Cc: Andrew Morton , Jonathan Corbet , damon@lists.linux.dev, kernel-team@meta.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 0/7] mm/damon: auto-tune DAMOS for NUMA setups including tiered memory Date: Sun, 20 Apr 2025 12:47:54 -0700 Message-Id: <20250420194754.76186-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250420194030.75838-1-sj@kernel.org> References: Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Sun, 20 Apr 2025 12:40:23 -0700 SeongJae Park wrote: > Utilizing DAMON for memory tiering usually requires manual tuning and/or > tedious controls. Let it self-tune hotness and coldness thresholds for > promotion and demotion aiming high utilization of high memory tiers, by > introducing new DAMOS quota goal metrics representing the used and the > free memory ratios of specific NUMA nodes. And introduce a sample DAMON > module that demonstrates how the new feature can be used for memory > tiering use cases. [...] > References > ========== > > [1] https://lore.kernel.org/20231112195602.61525-1-sj@kernel.org/ > [2] https://lore.kernel.org/20250303221726.484227-1-sj@kernel.org > [3] https://github.com/facebookresearch/DCPerf/blob/main/packages/tao_bench/README.md Forgot adding below, sorry. Revision History ================ Changes from RFC (https://lore.kernel.org/20250320053937.57734-1-sj@kernel.org) - Wordsmith commit messages - Add documentations [...]