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 D4587217F55 for ; Mon, 17 Mar 2025 05:15:03 +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=1742188503; cv=none; b=F0WApzwsXwP2twV8iKP6wb/fSCrJJoZ7KYMTAPZs7qYo6IC17/K6rnkr9fmnoUil7KiPc/DblNX9cBmOTBw0qUVZ68cETbTOI/X8RXsspqoW00c27yf6U+Lm5YAHbQi5/UuJkhDqHx9Srif/JLyZWxMXTYDrSEFU2OmKr1QzSvw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742188503; c=relaxed/simple; bh=zTEpHNnwyeRRG4+ZBrNoCUV/oJUemqP7NZgMVHbYnio=; h=Date:To:From:Subject:Message-Id; b=gaBn+ZCjsxyvl8OXlMdBRf78BGOebilJSa//NOXFSpYK5pKtNahxaaoi50gEyj5L7uUKvFG7LzuMmYUN2nQFFweuP12AqTbiomdrHrrfnIfMV5GJ6dS9ir9kTICD6uuEuV2szPNzF1mGDcdg1m3QCEl175t5CyimCgvuQdHcsjg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=fghByVXz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="fghByVXz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8BC5C4CEEC; Mon, 17 Mar 2025 05:15:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1742188503; bh=zTEpHNnwyeRRG4+ZBrNoCUV/oJUemqP7NZgMVHbYnio=; h=Date:To:From:Subject:From; b=fghByVXzqlZTsMssHGePDIrkR/Q5YgcDzVRiM5/pzXuZTqy2Oyw3VYlSh4urA3qiT QD0fdNmmGck2v64q1X3c1/wIC5NZ9TjsdcuJIOS1EaKc0T2O/tb0xAylkiaZh1zQ+0 1ghnaLgMjyK6zOVCa37RJ1Kynfpy5vGW+gAoGMks= Date: Sun, 16 Mar 2025 22:15:03 -0700 To: mm-commits@vger.kernel.org,corbet@lwn.net,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-damon-sysfs-implement-a-command-to-update-auto-tuned-monitoring-intervals.patch removed from -mm tree Message-Id: <20250317051503.A8BC5C4CEEC@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/damon/sysfs: implement a command to update auto-tuned monitoring intervals has been removed from the -mm tree. Its filename was mm-damon-sysfs-implement-a-command-to-update-auto-tuned-monitoring-intervals.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: SeongJae Park Subject: mm/damon/sysfs: implement a command to update auto-tuned monitoring intervals Date: Mon, 3 Mar 2025 14:17:23 -0800 DAMON kernel API callers can show auto-tuned sampling and aggregation intervals from the monmitoring attributes data structure. That can be useful for debugging or tuning of the feature. DAMON user-space ABI users has no way to see that, though. Implement a new DAMON sysfs interface command, namely 'update_tuned_intervals', for the purpose. If the command is written to the kdamond state file, the tuned sampling and aggregation intervals will be updated to the corresponding sysfs interface files. Link: https://lkml.kernel.org/r/20250303221726.484227-6-sj@kernel.org Signed-off-by: SeongJae Park Cc: Jonathan Corbet Signed-off-by: Andrew Morton --- mm/damon/sysfs.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) --- a/mm/damon/sysfs.c~mm-damon-sysfs-implement-a-command-to-update-auto-tuned-monitoring-intervals +++ a/mm/damon/sysfs.c @@ -1214,6 +1214,11 @@ enum damon_sysfs_cmd { */ DAMON_SYSFS_CMD_UPDATE_SCHEMES_EFFECTIVE_QUOTAS, /* + * @DAMON_SYSFS_CMD_UPDATE_TUNED_INTERVALS: Update the tuned monitoring + * intevals. + */ + DAMON_SYSFS_CMD_UPDATE_TUNED_INTERVALS, + /* * @NR_DAMON_SYSFS_CMDS: Total number of DAMON sysfs commands. */ NR_DAMON_SYSFS_CMDS, @@ -1230,6 +1235,7 @@ static const char * const damon_sysfs_cm "update_schemes_tried_regions", "clear_schemes_tried_regions", "update_schemes_effective_quotas", + "update_tuned_intervals", }; /* @@ -1502,6 +1508,17 @@ static int damon_sysfs_upd_schemes_effec return 0; } +static int damon_sysfs_upd_tuned_intervals(void *data) +{ + struct damon_sysfs_kdamond *kdamond = data; + struct damon_ctx *ctx = kdamond->damon_ctx; + + kdamond->contexts->contexts_arr[0]->attrs->intervals->sample_us = + ctx->attrs.sample_interval; + kdamond->contexts->contexts_arr[0]->attrs->intervals->aggr_us = + ctx->attrs.aggr_interval; + return 0; +} /* * damon_sysfs_cmd_request_callback() - DAMON callback for handling requests. @@ -1723,6 +1740,9 @@ static int damon_sysfs_handle_cmd(enum d return damon_sysfs_damon_call( damon_sysfs_upd_schemes_effective_quotas, kdamond); + case DAMON_SYSFS_CMD_UPDATE_TUNED_INTERVALS: + return damon_sysfs_damon_call( + damon_sysfs_upd_tuned_intervals, kdamond); default: break; } _ Patches currently in -mm which might be from sj@kernel.org are mm-damon-sysfs-schemes-let-damon_sysfs_scheme_set_filters-be-used-for-different-named-directories.patch mm-damon-sysfs-schemes-implement-core_filters-and-ops_filters-directories.patch mm-damon-sysfs-schemes-commit-filters-in-coreops_filters-directories.patch mm-damon-core-expose-damos_filter_for_ops-to-damon-kernel-api-callers.patch mm-damon-sysfs-schemes-record-filters-of-which-layer-should-be-added-to-the-given-filters-directory.patch mm-damon-sysfs-schemes-return-error-when-for-attempts-to-install-filters-on-wrong-sysfs-directory.patch docs-abi-damon-document-coreops_filters-directories.patch docs-admin-guide-mm-damon-usage-update-for-coreops_filters-directories.patch mm-damon-sysfs-validate-user-inputs-from-damon_sysfs_commit_input.patch mm-damon-core-invoke-kdamond_call-after-merging-is-done-if-possible.patch mm-damon-core-make-damon_set_attrs-be-safe-to-be-called-from-damon_call.patch mm-damon-sysfs-handle-commit-command-using-damon_call.patch mm-damon-sysfs-remove-damon_sysfs_cmd_request-code-from-damon_sysfs_handle_cmd.patch mm-damon-sysfs-remove-damon_sysfs_cmd_request_callback-and-its-callers.patch mm-damon-sysfs-remove-damon_sysfs_cmd_request-and-its-readers.patch mm-damon-sysfs-schemes-remove-obsolete-comment-for-damon_sysfs_schemes_clear_regions.patch mm-damon-remove-damon_callback-private.patch mm-damon-remove-before_start-of-damon_callback.patch mm-damon-remove-damon_callback-after_sampling.patch mm-damon-remove-damon_callback-before_damos_apply.patch mm-damon-remove-damon_operations-reset_aggregated.patch mm-damon-sysfs-schemes-avoid-wformat-security-warning-on-damon_sysfs_access_pattern_add_range_dir.patch mm-madvise-use-is_memory_failure-from-madvise_do_behavior.patch mm-madvise-split-out-populate-behavior-check-logic.patch mm-madvise-deduplicate-madvise_do_behavior-skip-case-handlings.patch mm-madvise-remove-len-parameter-of-madvise_do_behavior.patch