From nobody Fri Sep 12 11:12:57 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 857CAC636CD for ; Fri, 10 Feb 2023 10:42:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232164AbjBJKmh (ORCPT ); Fri, 10 Feb 2023 05:42:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57824 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231732AbjBJKmg (ORCPT ); Fri, 10 Feb 2023 05:42:36 -0500 Received: from APC01-TYZ-obe.outbound.protection.outlook.com (mail-tyzapc01on2119.outbound.protection.outlook.com [40.107.117.119]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3ECBA6ADC6 for ; Fri, 10 Feb 2023 02:42:34 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=JfzvPRX0T6TeVHVqiumfLBHEvuIVQENq7SkICnnZQ07IsbXSbSf3WAF5VpXI5SXfkIogtE8Yla8avGHxxZEGzj8mOzgBlMUWUnu6oOADOeuyJOgcF+R1YcCh5QINKiiTmF1CjNdB0QkIwqAGLZAeagGNEMWqbUlNUvRHPABO7s2mnjnVxHHehneXxGyA1jzrh8iwQkGPSuy4Z12pTENiRRWZVqlCjqmq7tzCvpgRBWCkSJLVmyGHLszVmgglT8LCiNy8CIbBnUdh4AwcAthDZu0MXPqzHoILga2mHYngHZrGEGpXbHs9DQ7WBH46Or4sdTJw+3hQDGOHISNehAiRQw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=VTvMonL3hR1Ixpx1Qz8hU4DjAzARZ3BX2vuwHWci4vk=; b=YEVXf0+kvxprSm+LE75uJMMEdMg0Zrlpeg4FVSBy5Hhmf9R5y1ELOMJjOV8q+cmnsVtCQeeOu63DnSDca6sCBQRCH8yu0i2Lsq/FW4Qd5iyCqawMmUdUb34ZpL3zAIqUrECPtwbaGN4rOahem/2Ro26YGxof68SJTEdmBZdxiY5irEXoK4TuKoHlEuJeueBlk6wwxn1vAd0Lbx7+rWGXKOGZ9tt05rIHMt4YLqR/otMO2jxjJ+ej24ei9ASRnRRLnpbEzsvWZbE+iDM/ajhqzXta1KAaWMwXDKi3Im6XbxHcMS6v2IOEu7lP0gCN7Swe0BfMK5sg2deKGTkHzc5lkw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=vivo.com; dmarc=pass action=none header.from=vivo.com; dkim=pass header.d=vivo.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vivo.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=VTvMonL3hR1Ixpx1Qz8hU4DjAzARZ3BX2vuwHWci4vk=; b=L+r13SgkWhUBCqQ23hStfoMtqOct9qrU5hMPOPK+PDYlFe2PXe9/GZUHU0UCBGe5Ciuumb3HtUBCED02vXdRb7dSaIEWoTxiR9UqetmYLn7Dvf2ey+clZkKQkDfmjra64gsC1eK/IgZgg2o1yqr3qXlsMQuptRxE/Y3GjcymaSbbBpACcUyoCaOIEgp5h//lGjlFuJ+S5yoxQMd/pGNmoT+7+3bvZkttix6MOIoPje9xLJRcrQ7miSUuXAfP1YFEpOQ5SbZLkluSHvbRaeRbd+PqxiGTQP4U+Xvm9FEeUFeiBiNuDRYv29o4+ssSJKb9eGM9m1iy7ltxCqyy/Fio7A== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) by SEZPR06MB5574.apcprd06.prod.outlook.com (2603:1096:101:cb::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6111.5; Fri, 10 Feb 2023 10:42:27 +0000 Received: from SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::daf6:5ebb:a93f:1869]) by SEZPR06MB5269.apcprd06.prod.outlook.com ([fe80::daf6:5ebb:a93f:1869%7]) with mapi id 15.20.6111.005; Fri, 10 Feb 2023 10:42:27 +0000 From: Yangtao Li To: jaegeuk@kernel.org, chao@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Yangtao Li Subject: [PATCH v2] f2fs: export ipu policy in debugfs Date: Fri, 10 Feb 2023 18:42:15 +0800 Message-Id: <20230210104215.64067-1-frank.li@vivo.com> X-Mailer: git-send-email 2.35.1 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SI2PR04CA0010.apcprd04.prod.outlook.com (2603:1096:4:197::11) To SEZPR06MB5269.apcprd06.prod.outlook.com (2603:1096:101:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5269:EE_|SEZPR06MB5574:EE_ X-MS-Office365-Filtering-Correlation-Id: c737b6ab-db8d-4dc2-3205-08db0b5380ab X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SEZPR06MB5269.apcprd06.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(4636009)(366004)(346002)(376002)(136003)(396003)(39860400002)(451199018)(8936002)(2906002)(316002)(36756003)(41300700001)(5660300002)(66946007)(4326008)(8676002)(66476007)(66556008)(38350700002)(38100700002)(26005)(6512007)(6506007)(6666004)(86362001)(107886003)(52116002)(6486002)(478600001)(83380400001)(1076003)(2616005)(186003);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?UOewrkgNO+/PVBxUhEq8y6LQq2svZx82IfBwcLX96i+9dsXhx3a2id9W0kWO?= =?us-ascii?Q?Y3jAMqpf5lozXlNByVOaajUi5ThClPJCSCUj0a3McFF1j3B7ABly7R9gHUnm?= =?us-ascii?Q?0YJ2x/OX6BsbD9Ll+NtlpFUEOp9tiqmf0eIgHEm998Adsimm2nfRkoRQ5Fnr?= =?us-ascii?Q?DNBiMAfbk2oKH8S/GYyhIEl28bdWfNrcOhsytrDuFwMzKzlllPyBxQG6KftG?= =?us-ascii?Q?PpcFe6UYoeXjKAWlw7LUA91ZGRzcS8P1v0jWbGu5fUzIoOzYJ+3fEnkqcV2G?= =?us-ascii?Q?wTNniqFbLG7DbZPwq7qhznVb4nTRqve27IUMUhxjIvi+hMvSAiDTguax6QCb?= =?us-ascii?Q?n+oU+7jmEniX2Ar+pZFqpCmVhSdx3nmPxb9DipJ7nq/oeTesCF0ryI0rkgZV?= =?us-ascii?Q?H8gU1CUcFl0PZfxiOmpbxYcA4Xd9cXCc7K6rQQ8hjbIgxdBuRstHYUJQHXH6?= =?us-ascii?Q?IIHofJNZ3LGBWcvcquLKaIqhohCp14LucEAzGRpoTof7Hikgg3j/inq9k6xp?= =?us-ascii?Q?mr38w5QxjjwnjF4iJ5OCkMfrvfYW7TOp0EWdmyfDRs3QbNhWl98UHstJY29O?= =?us-ascii?Q?m/gTRx4Di4NG9d2yLQNJaDMK2TwpP3n9Xbi6+cYCyoSP3M2Z94dHzUOjOlCm?= =?us-ascii?Q?NRqy1A6hAxkX873HuqOMpx+vfyhpjp8y7+tdHEda6iKiFPR1R75VxPxxZRCF?= =?us-ascii?Q?TQlGg7EIf8MCU2gOEBPZwTVwnKPpB8srBXeJOv8mLsBJ3vLRvHtQZDTZVAsX?= =?us-ascii?Q?TivtMkNAOzMMH8bzYihIgaZgUZAh1gpJkgi6Dt7GYmyTMWtlIcjxIqeL3i8a?= =?us-ascii?Q?suQoxxL7Ay+xXUVeUKG+CyDkz3MEvJSTYrPRN3wNxI7z1the75M4mRNzT/QN?= =?us-ascii?Q?D8wKAC5rtInM/xHkjgHNSjWube+ihhoVPCBzRR+BMDBhyZet+t1NegWY3jZ7?= =?us-ascii?Q?xR65Ivtry0jvAMJjG5cw2ALrHoblOEdaHi1vEVhaNiSmd0yIqEazIAEruAPf?= =?us-ascii?Q?6BcOrcKQByrOsrPXm/riyPN5RX0eWORGFqtstlp3luA5xde/K+Q7xGap1EmE?= =?us-ascii?Q?1KNlIZRWWmtbf9juYZN1uN+brLAua+zFGGE2NhkZAmuxC9LAWakA0czQ+PYd?= =?us-ascii?Q?c2ZZN9QNGyUJDzfvvVqRPiqd0jbIGjXFdmXkU1wlimjsZXUNmkkjaw/mY8gs?= =?us-ascii?Q?QYqrvQf8iQTfAVCfPvbD1iRdTVpw63AG4k1gspIT9QIuT8yPDTQ6f++fOek7?= =?us-ascii?Q?m7PN2KHu9wlGoN2E9hw3PrqU48SQNIONqlJzrOwlKfWGNXqnaBoM59SNERDP?= =?us-ascii?Q?pmyl7J4VWku48lnhZX2M8/GDlQX+5GZMwOLRXteTES/41mlDvSIcyb9vW3/X?= =?us-ascii?Q?WOD1x0k7pCAnRmo2XK9trYgSPbHmKKL/Lxc5xDwnDYIepbMNQvfzvsXBHUB3?= =?us-ascii?Q?G3oSqBS2sZFT9jqShR/ER4PJ1boBYaabQpMSoAgn5Ic4Ktlc86hYg8YEJklI?= =?us-ascii?Q?/V4DEaCmv0gRJPcv09sXOIVgsLyTScWMcL2kXK7hRd1wajBdvgK6JRaHOEUP?= =?us-ascii?Q?AaWoU7X2QX444Mx9OeJ0EZzUfHaBMc4RV2vArydD?= X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: c737b6ab-db8d-4dc2-3205-08db0b5380ab X-MS-Exchange-CrossTenant-AuthSource: SEZPR06MB5269.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Feb 2023 10:42:27.3044 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: z1IJJ/gP35biTnFM3P7k+VlAkuu7MyTKueVDhqt7pdFCXi+7yg4eYbtrwuxIdSXn8PZraqOG7oHFmDVcw2iwCw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SEZPR06MB5574 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Export ipu_policy as a string in debugfs for better readability and it can help us better understand some strategies of the file system. Signed-off-by: Yangtao Li --- v2: -drop unsigned long conversion fs/f2fs/debug.c | 66 +++++++++++++++++++++++++++++++++-------------- fs/f2fs/segment.h | 1 + 2 files changed, 47 insertions(+), 20 deletions(-) diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 32af4f0c5735..c37ebd7a251e 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -354,6 +354,17 @@ static char *s_flag[] =3D { [SBI_IS_FREEZING] =3D " freezefs", }; =20 +static const char *ipu_mode_names[F2FS_IPU_MAX] =3D { + [F2FS_IPU_FORCE] =3D "FORCE", + [F2FS_IPU_SSR] =3D "SSR", + [F2FS_IPU_UTIL] =3D "UTIL", + [F2FS_IPU_SSR_UTIL] =3D "SSR_UTIL", + [F2FS_IPU_FSYNC] =3D "FSYNC", + [F2FS_IPU_ASYNC] =3D "ASYNC", + [F2FS_IPU_NOCACHE] =3D "NOCACHE", + [F2FS_IPU_HONOR_OPU_WRITE] =3D "HONOR_OPU_WRITE", +}; + static int stat_show(struct seq_file *s, void *v) { struct f2fs_stat_info *si; @@ -362,18 +373,20 @@ static int stat_show(struct seq_file *s, void *v) =20 raw_spin_lock_irqsave(&f2fs_stat_lock, flags); list_for_each_entry(si, &f2fs_stat_list, stat_list) { - update_general_status(si->sbi); + struct f2fs_sb_info *sbi =3D si->sbi; + + update_general_status(sbi); =20 seq_printf(s, "\n=3D=3D=3D=3D=3D[ partition info(%pg). #%d, %s, CP: %s]= =3D=3D=3D=3D=3D\n", - si->sbi->sb->s_bdev, i++, - f2fs_readonly(si->sbi->sb) ? "RO" : "RW", - is_set_ckpt_flags(si->sbi, CP_DISABLED_FLAG) ? - "Disabled" : (f2fs_cp_error(si->sbi) ? "Error" : "Good")); - if (si->sbi->s_flag) { + sbi->sb->s_bdev, i++, + f2fs_readonly(sbi->sb) ? "RO" : "RW", + is_set_ckpt_flags(sbi, CP_DISABLED_FLAG) ? + "Disabled" : (f2fs_cp_error(sbi) ? "Error" : "Good")); + if (sbi->s_flag) { seq_puts(s, "[SBI:"); - for_each_set_bit(j, &si->sbi->s_flag, 32) + for_each_set_bit(j, &sbi->s_flag, 32) seq_puts(s, s_flag[j]); - seq_puts(s, "]\n"); + seq_puts(s, "]\n\n"); } seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ", si->sit_area_segs, si->nat_area_segs); @@ -383,8 +396,21 @@ static int stat_show(struct seq_file *s, void *v) si->overp_segs, si->rsvd_segs); seq_printf(s, "Current Time Sec: %llu / Mounted Time Sec: %llu\n\n", ktime_get_boottime_seconds(), - SIT_I(si->sbi)->mounted_time); - if (test_opt(si->sbi, DISCARD)) + SIT_I(sbi)->mounted_time); + + seq_puts(s, "Policy:\n"); + seq_puts(s, " - IPU: ["); + if (IS_F2FS_IPU_DISABLE(sbi)) { + seq_puts(s, " DISABLE\n"); + } else { + unsigned long policy =3D SM_I(sbi)->ipu_policy; + + for_each_set_bit(j, &policy, F2FS_IPU_MAX) + seq_printf(s, " %s", ipu_mode_names[j]); + } + seq_puts(s, " ]\n\n"); + + if (test_opt(sbi, DISCARD)) seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n= ", si->utilization, si->valid_count, si->discard_blks); else @@ -491,15 +517,15 @@ static int stat_show(struct seq_file *s, void *v) seq_printf(s, " - node segments : %d (%d)\n", si->node_segs, si->bg_node_segs); seq_puts(s, " - Reclaimed segs :\n"); - seq_printf(s, " - Normal : %d\n", si->sbi->gc_reclaimed_segs[GC_NORMA= L]); - seq_printf(s, " - Idle CB : %d\n", si->sbi->gc_reclaimed_segs[GC_IDLE= _CB]); + seq_printf(s, " - Normal : %d\n", sbi->gc_reclaimed_segs[GC_NORMAL]); + seq_printf(s, " - Idle CB : %d\n", sbi->gc_reclaimed_segs[GC_IDLE_CB]= ); seq_printf(s, " - Idle Greedy : %d\n", - si->sbi->gc_reclaimed_segs[GC_IDLE_GREEDY]); - seq_printf(s, " - Idle AT : %d\n", si->sbi->gc_reclaimed_segs[GC_IDLE= _AT]); + sbi->gc_reclaimed_segs[GC_IDLE_GREEDY]); + seq_printf(s, " - Idle AT : %d\n", sbi->gc_reclaimed_segs[GC_IDLE_AT]= ); seq_printf(s, " - Urgent High : %d\n", - si->sbi->gc_reclaimed_segs[GC_URGENT_HIGH]); - seq_printf(s, " - Urgent Mid : %d\n", si->sbi->gc_reclaimed_segs[GC_U= RGENT_MID]); - seq_printf(s, " - Urgent Low : %d\n", si->sbi->gc_reclaimed_segs[GC_U= RGENT_LOW]); + sbi->gc_reclaimed_segs[GC_URGENT_HIGH]); + seq_printf(s, " - Urgent Mid : %d\n", sbi->gc_reclaimed_segs[GC_URGEN= T_MID]); + seq_printf(s, " - Urgent Low : %d\n", sbi->gc_reclaimed_segs[GC_URGEN= T_LOW]); seq_printf(s, "Try to move %d blocks (BG: %d)\n", si->tot_blks, si->bg_data_blks + si->bg_node_blks); seq_printf(s, " - data blocks : %d (%d)\n", si->data_blks, @@ -565,7 +591,7 @@ static int stat_show(struct seq_file *s, void *v) si->ndirty_imeta); seq_printf(s, " - fsync mark: %4lld\n", percpu_counter_sum_positive( - &si->sbi->rf_node_block_count)); + &sbi->rf_node_block_count)); seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n", si->dirty_nats, si->nats, si->dirty_sits, si->sits); seq_printf(s, " - free_nids: %9d/%9d\n - alloc_nids: %9d\n", @@ -592,12 +618,12 @@ static int stat_show(struct seq_file *s, void *v) si->block_count[LFS], si->segment_count[LFS]); =20 /* segment usage info */ - f2fs_update_sit_info(si->sbi); + f2fs_update_sit_info(sbi); seq_printf(s, "\nBDF: %u, avg. vblocks: %u\n", si->bimodal, si->avg_vblocks); =20 /* memory footprint */ - update_mem_info(si->sbi); + update_mem_info(sbi); seq_printf(s, "\nMemory: %llu KB\n", (si->base_mem + si->cache_mem + si->page_mem) >> 10); seq_printf(s, " - static: %llu KB\n", diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 8ee5e5db9287..92c8be00d396 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -672,6 +672,7 @@ static inline int utilization(struct f2fs_sb_info *sbi) =20 #define F2FS_IPU_DISABLE 0 =20 +/* Modification on enum should be synchronized with ipu_mode_names array */ enum { F2FS_IPU_FORCE, F2FS_IPU_SSR, --=20 2.25.1