From nobody Sun Jul 26 01:50:06 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 DA6AF11CA9; Fri, 10 Jul 2026 04:48:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783658888; cv=none; b=PSmwo0oXM8oo9EBnf3uJ9rfP2U+0uZknHzSgw2hroSDWAUXKeF1zEFEwujLAErOHRTeYWhd+Nx3e0VQSRAlwvMntGa0Fkmuqva4KCuBpnVOx0DhgnSeotW8QCwrZIgKyf9K69HZrGxpSJ/ETmJWiaRUInB+9PKRHviF3I7iCOcA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783658888; c=relaxed/simple; bh=5C5GTG7c+Uy05ZHxhziOxWTUA/qRLmUnU8IWy7/whu0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VKiJKqSPrD2fYgHGP/KsLUxXgtRlzPizIJyuxjxWd2OgJTSa14LPdnAVGGnBuHpBGpaP4vgEWr1HpEZHYHCjL3/yf6fcQagkW8yu8xrXcgzHvuqidp6VhZ4tUpI17C7rsHduESXNBZBlwgbVHoV9QvvG5t6D4xUEI+jux+EupKE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 845d487e7c1a11f1aa26b74ffac11d73-20260710 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME HR_SJ_DIGIT_LEN, HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM HR_SJ_PHRASE, HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT HR_TO_NO_NAME, IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_EXISTED SN_UNTRUSTED, SN_UNFAMILIAR, SPF_NOPASS, DKIM_NOPASS, DMARC_NOPASS CIE_GOOD, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO, GTI_C_BU AMN_GOOD, ABX_MISS_RDNS X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:9e76af51-41de-4cfc-aed2-34454bb41822,IP:20, URL:0,TC:0,Content:-25,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACT ION:release,TS:20 X-CID-INFO: VERSION:1.3.12,REQID:9e76af51-41de-4cfc-aed2-34454bb41822,IP:20,UR L:0,TC:0,Content:-25,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:20 X-CID-META: VersionHash:e7bac3a,CLOUDID:819c28c2fb3c78a1d9ad3cdf9a1536f3,BulkI D:260710124757WD3NRJHV,BulkQuantity:0,Recheck:0,SF:17|19|66|78|81|82|102|1 27|865|898,TC:nil,Content:0|15|50,EDM:5,IP:-2,URL:0,File:nil,RT:nil,Bulk:n il,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BR E:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 845d487e7c1a11f1aa26b74ffac11d73-20260710 X-User: husong@kylinos.cn Received: from ctao-book.. [(223.70.159.239)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 1617764414; Fri, 10 Jul 2026 12:47:55 +0800 From: Song Hu To: sj@kernel.org Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Song Hu , stable@vger.kernel.org Subject: [PATCH 1/4] Docs/ABI/damon: fix typo in intervals_goal sysfs path Date: Fri, 10 Jul 2026 12:47:34 +0800 Message-ID: <20260710044737.561102-2-husong@kylinos.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260710044737.561102-1-husong@kylinos.cn> References: <20260710044737.561102-1-husong@kylinos.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The ABI document spells the DAMON sysfs directory as "intrvals_goal" (missing 'e') in four What: entries, but the kernel creates it as "intervals_goal" (mm/damon/sysfs.c). Following the documented path therefore yields a non-existent directory. Fixes: e2b23dc62369 ("Docs/ABI/damon: document intervals auto-tuning ABI") Cc: stable@vger.kernel.org Signed-off-by: Song Hu Reviewed-by: SJ Park --- Documentation/ABI/testing/sysfs-kernel-mm-damon | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentatio= n/ABI/testing/sysfs-kernel-mm-damon index dd6b5bd76e11..885409a26786 100644 --- a/Documentation/ABI/testing/sysfs-kernel-mm-damon +++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon @@ -112,7 +112,7 @@ Description: Writing a value to this file sets the upda= te interval of the DAMON context in microseconds as the value. Reading this file returns the value. =20 -What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/intervals/intrvals_goal/access_bp +What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/intervals/intervals_goal/access_bp Date: Feb 2025 Contact: SJ Park Description: Writing a value to this file sets the monitoring intervals @@ -120,7 +120,7 @@ Description: Writing a value to this file sets the moni= toring intervals the given time interval (aggrs in same directory), in bp (1/10,000). Reading this file returns the value. =20 -What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/intervals/intrvals_goal/aggrs +What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/intervals/intervals_goal/aggrs Date: Feb 2025 Contact: SJ Park Description: Writing a value to this file sets the time interval to achieve @@ -128,14 +128,14 @@ Description: Writing a value to this file sets the ti= me interval to achieve access events ratio (access_bp in same directory) within. Reading this file returns the value. =20 -What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/intervals/intrvals_goal/min_sample_us +What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/intervals/intervals_goal/min_sample_us Date: Feb 2025 Contact: SJ Park Description: Writing a value to this file sets the minimum value of auto-tuned sampling interval in microseconds. Reading this file returns the value. =20 -What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/intervals/intrvals_goal/max_sample_us +What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/intervals/intervals_goal/max_sample_us Date: Feb 2025 Contact: SJ Park Description: Writing a value to this file sets the maximum value of --=20 2.43.0 From nobody Sun Jul 26 01:50:06 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 5C9B937206A; Fri, 10 Jul 2026 04:48:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783658886; cv=none; b=BQPFLZ7lC0xNAUpjIpN0WViDk9kWOkDiAao4UPtDn/+3UUQ0dWWKpgErPUcnXbKkd/eIQtIROzOP6HwKfEAhGj74EynSY41UrvPszMqDG1Lw23i92/jDo/5I5fGirLSJQbX079ZUNkgs0sJLp/xLiTVEzlESBUxo4qHJO99dKIc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783658886; c=relaxed/simple; bh=WYR0yL+aHaVp1VLZ1CUCSqlj23K3iLMPf7cpRDsQ9YE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GVCemqcfCUBBfpMXB2UVOLyWjSGiC1ng6lq/f/9WIqXiO5nMP8DESsdeIQUROSIDTYahvllcW3gOGGwEEuTHVluMNO1DDUAXGYAlpjWROXSsj2lFY1pqj+wUQE9gCnHa0YzhSnjjrixSuRexvp7rY0RuHDl4z3RRKsNz0LLvyGM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 869e10d27c1a11f1aa26b74ffac11d73-20260710 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME HR_SJ_DIGIT_LEN, HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM HR_SJ_PHRASE, HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT HR_TO_NO_NAME, IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_EXISTED SN_UNTRUSTED, SN_UNFAMILIAR, SPF_NOPASS, DKIM_NOPASS, DMARC_NOPASS CIE_GOOD, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO, GTI_C_BU AMN_GOOD, ABX_MISS_RDNS X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:3aad97ba-e5c6-488a-8f6d-f1ccdcc9a806,IP:20, URL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:15 X-CID-INFO: VERSION:1.3.12,REQID:3aad97ba-e5c6-488a-8f6d-f1ccdcc9a806,IP:20,UR L:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:15 X-CID-META: VersionHash:e7bac3a,CLOUDID:8663a529982b81e3e9e756784a1617fc,BulkI D:2607101248003HIIJI1E,BulkQuantity:0,Recheck:0,SF:17|19|66|78|81|82|102|1 27|865|898,TC:nil,Content:0|15|50,EDM:-3,IP:-2,URL:0,File:nil,RT:nil,Bulk: nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,B RE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 869e10d27c1a11f1aa26b74ffac11d73-20260710 X-User: husong@kylinos.cn Received: from ctao-book.. [(223.70.159.239)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 2065078812; Fri, 10 Jul 2026 12:47:59 +0800 From: Song Hu To: sj@kernel.org Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Song Hu Subject: [PATCH 2/4] Docs/ABI/damon: fix typos Date: Fri, 10 Jul 2026 12:47:35 +0800 Message-ID: <20260710044737.561102-3-husong@kylinos.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260710044737.561102-1-husong@kylinos.cn> References: <20260710044737.561102-1-husong@kylinos.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Fix two typos in the DAMON sysfs ABI document: - "WDate:" -> "Date:" on the nr_regions/min entry - "manimum" -> "minimum" in the nr_accesses/min description Signed-off-by: Song Hu Reviewed-by: SJ Park --- Documentation/ABI/testing/sysfs-kernel-mm-damon | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentatio= n/ABI/testing/sysfs-kernel-mm-damon index 885409a26786..03aecc07a5bd 100644 --- a/Documentation/ABI/testing/sysfs-kernel-mm-damon +++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon @@ -144,7 +144,7 @@ Description: Writing a value to this file sets the maxi= mum value of =20 What: /sys/kernel/mm/damon/admin/kdamonds//contexts//monitoring_att= rs/nr_regions/min =20 -WDate: Mar 2022 +Date: Mar 2022 Contact: SJ Park Description: Writing a value to this file sets the minimum number of monitoring regions of the DAMON context as the value. Reading @@ -281,7 +281,7 @@ Description: Writing to and reading from this file sets= and gets the maximum What: /sys/kernel/mm/damon/admin/kdamonds//contexts//schemes//ac= cess_pattern/nr_accesses/min Date: Mar 2022 Contact: SJ Park -Description: Writing to and reading from this file sets and gets the manim= um +Description: Writing to and reading from this file sets and gets the minim= um 'nr_accesses' of the scheme's target regions. =20 What: /sys/kernel/mm/damon/admin/kdamonds//contexts//schemes//ac= cess_pattern/nr_accesses/max --=20 2.43.0 From nobody Sun Jul 26 01:50:06 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 C2FE33603D7; Fri, 10 Jul 2026 04:48:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783658889; cv=none; b=hMsIWiEfaMbT9iTM6v6n9jKVETojP9kjHBwescYr+6hPzlpJr6VespgQeusPzhV9snjNw+5efI+SSOVDM7D+H6LjEcQTPszmhQnTI5w37A+MW1eRa27JR5nAXIAD89VM6x2nlkqB3Qe1uyMfPt6OeN2J4WfuMx2kS2SuclcOwgI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783658889; c=relaxed/simple; bh=4M1suvIB5h9ry3pDLqesbSkIMg8qb5JZCnrnT9UknJU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iR2Hcr+gV7R9cv/NnnJq2ZhbGY1FOV0FkIAmURJtUFp7zNM35PyOrXXk5tXTjVfQK2SUAARg586w4gic1qRSNHFrmHQEjX85lZAMBe8uJ2rk7CZ3qDEkbBXxERHn1DsfhREPIOq03yVoFTK9Iu7x84tglcjdaqbg4ir3RANuo3Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 878d25e67c1a11f1aa26b74ffac11d73-20260710 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME HR_SJ_DIGIT_LEN, HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM HR_SJ_PHRASE, HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT HR_TO_NO_NAME, IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_EXISTED SN_UNTRUSTED, SN_UNFAMILIAR, SPF_NOPASS, DKIM_NOPASS, DMARC_NOPASS CIE_GOOD, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO, GTI_C_BU AMN_GOOD, ABX_MISS_RDNS X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:498a809a-93a4-4bb2-8e59-01ad85f3bfc0,IP:20, URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:20 X-CID-INFO: VERSION:1.3.12,REQID:498a809a-93a4-4bb2-8e59-01ad85f3bfc0,IP:20,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION:r elease,TS:20 X-CID-META: VersionHash:e7bac3a,CLOUDID:4fba04f2ce21b72797cd9e9a741924e0,BulkI D:260710124803IHUJF5Y2,BulkQuantity:0,Recheck:0,SF:17|19|66|78|81|82|102|1 27|136|865|898,TC:nil,Content:0|15|50,EDM:-3,IP:-2,URL:0,File:nil,RT:nil,B ulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR :0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_FSD,TF_CID_SPAM_SNR,TF_CID_SPAM_FAS X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 878d25e67c1a11f1aa26b74ffac11d73-20260710 X-User: husong@kylinos.cn Received: from ctao-book.. [(223.70.159.239)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 1826423182; Fri, 10 Jul 2026 12:48:01 +0800 From: Song Hu To: sj@kernel.org Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Song Hu Subject: [PATCH 3/4] Docs/ABI/damon: document update_tuned_intervals state command Date: Fri, 10 Jul 2026 12:47:36 +0800 Message-ID: <20260710044737.561102-4-husong@kylinos.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260710044737.561102-1-husong@kylinos.cn> References: <20260710044737.561102-1-husong@kylinos.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The 'update_tuned_intervals' command of the 'state' file, added in commit 1077605396b4 ("mm/damon/sysfs: implement a command to update auto-tuned monitoring intervals"), is described in usage.rst but missing from the canonical ABI document. Add it. Signed-off-by: Song Hu Reviewed-by: SJ Park --- Documentation/ABI/testing/sysfs-kernel-mm-damon | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentatio= n/ABI/testing/sysfs-kernel-mm-damon index 03aecc07a5bd..7e8192527191 100644 --- a/Documentation/ABI/testing/sysfs-kernel-mm-damon +++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon @@ -36,7 +36,10 @@ Description: Writing 'on' or 'off' to this file makes th= e kdamond starts or kdamond. Writing 'clear_schemes_tried_regions' to the file removes contents of the 'tried_regions' directory. Writing 'update_schemes_effective_quotas' to the file updates - '.../quotas/effective_bytes' files of this kdamond. + '.../quotas/effective_bytes' files of this kdamond. Writing + 'update_tuned_intervals' to the file updates 'sample_us' and + 'aggr_us' files under 'monitoring_attrs/intervals' with the + auto-tuned sampling and aggregation intervals. =20 What: /sys/kernel/mm/damon/admin/kdamonds//pid Date: Mar 2022 --=20 2.43.0 From nobody Sun Jul 26 01:50:06 2026 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) (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 F28593242BE; Fri, 10 Jul 2026 04:48:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=124.126.103.232 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783658889; cv=none; b=f9i3pipDMTlR8Ex8Zy2ddBOpGHj3ECPku2hFwIlhGcpMDprJW0vSlIJd19haNJwjVjfa3qOTV34L/0n7dP2aRyC1oEAQZnIAxMVs1k4zc8JvdgeNgNF16OGkuP7wnpOX2STlslPP1GJhYP5NfD1rI2QF1guna/MtzdjbUFBPexo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783658889; c=relaxed/simple; bh=3UdBQkwUn1pkptl/X3w9sM6Chvgd3Qtzq2HIHXHh4Bg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gRQXQmoUCg0BIDNgCrhTC0cV8IOvYB2ZB9QgiMZlz6WQUEdHa054WXxucdHC35uWdx4P2BzFiqwlBhxTzW6V7D9Nv/Ys0/rE9cX0R8CgTtH3BTiMP30l7CGiXOHOgape8l9Ks32bVyynvf8GPQXxd/RmnhyP2EGyvxIX/jq9h+E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn; spf=pass smtp.mailfrom=kylinos.cn; arc=none smtp.client-ip=124.126.103.232 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kylinos.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kylinos.cn X-UUID: 888efaa07c1a11f1aa26b74ffac11d73-20260710 X-CTIC-Tags: HR_CC_COUNT, HR_CC_DOMAIN_COUNT, HR_CC_NAME, HR_CC_NO_NAME, HR_CTE_8B HR_CTT_MISS, HR_DATE_H, HR_DATE_WKD, HR_DATE_ZONE, HR_FROM_NAME HR_SJ_DIGIT_LEN, HR_SJ_LANG, HR_SJ_LEN, HR_SJ_LETTER, HR_SJ_NOR_SYM HR_SJ_PHRASE, HR_SJ_PHRASE_LEN, HR_SJ_WS, HR_TO_COUNT, HR_TO_DOMAIN_COUNT HR_TO_NO_NAME, IP_TRUSTED, SRC_TRUSTED, DN_TRUSTED, SA_EXISTED SN_UNTRUSTED, SN_UNFAMILIAR, SPF_NOPASS, DKIM_NOPASS, DMARC_NOPASS CIE_GOOD, CIE_GOOD_SPF, GTI_FG_BS, GTI_RG_INFO, GTI_C_BU AMN_GOOD, ABX_MISS_RDNS X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12,REQID:df2420dc-be79-4755-81c6-07fe9a878936,IP:20, URL:0,TC:0,Content:-5,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:40 X-CID-INFO: VERSION:1.3.12,REQID:df2420dc-be79-4755-81c6-07fe9a878936,IP:20,UR L:0,TC:0,Content:-5,EDM:25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:40 X-CID-META: VersionHash:e7bac3a,CLOUDID:6ab51f0f0179adbd7711d247bca93c74,BulkI D:260710124803J08ENMYM,BulkQuantity:0,Recheck:0,SF:17|19|66|78|81|82|102|1 27|136|865|898,TC:nil,Content:0|15|50,EDM:5,IP:-2,URL:0,File:nil,RT:nil,Bu lk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR: 0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 888efaa07c1a11f1aa26b74ffac11d73-20260710 X-User: husong@kylinos.cn Received: from ctao-book.. [(223.70.159.239)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 2000734830; Fri, 10 Jul 2026 12:48:02 +0800 From: Song Hu To: sj@kernel.org Cc: damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Song Hu Subject: [PATCH 4/4] Docs/ABI/damon: document tried_regions probe hits Date: Fri, 10 Jul 2026 12:47:37 +0800 Message-ID: <20260710044737.561102-5-husong@kylinos.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260710044737.561102-1-husong@kylinos.cn> References: <20260710044737.561102-1-husong@kylinos.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The 'tried_regions//probes/

/hits' file, added in commit 5b0de1bc3325 ("mm/damon/sysfs-schemes: implement probe/hits file"), is described in usage.rst but missing from the canonical ABI document. Document the 'probes/' directory and the 'probes/

/hits' file. Signed-off-by: Song Hu Reviewed-by: SJ Park --- Documentation/ABI/testing/sysfs-kernel-mm-damon | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentatio= n/ABI/testing/sysfs-kernel-mm-damon index 7e8192527191..e8645f987fc3 100644 --- a/Documentation/ABI/testing/sysfs-kernel-mm-damon +++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon @@ -644,3 +644,15 @@ Contact: SJ Park Description: Reading this file returns the size of the memory in the region that passed DAMON operations layer-handled filters of the scheme in bytes. + +What: /sys/kernel/mm/damon/admin/kdamonds//contexts//schemes//tr= ied_regions//probes/ +Date: May 2026 +Contact: SJ Park +Description: Directory for DAMON data-attribute monitoring probes of the + region. + +What: /sys/kernel/mm/damon/admin/kdamonds//contexts//schemes//tr= ied_regions//probes/

/hits +Date: May 2026 +Contact: SJ Park +Description: Reading this file returns the number of data-attribute + monitoring probe-hit positive samples of the region. --=20 2.43.0