From patchwork Thu Aug 29 06:41:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongbo Li X-Patchwork-Id: 13782622 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) (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 2FE981B813; Thu, 29 Aug 2024 06:33:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.188 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724913195; cv=none; b=ajTi3IB/qpXFYCZ22gHlPckGykde6UxmWQHma6UIofws9kJLhA07s2chOXhaa25u3NsEY3dleYDZMuw8ac7Prh00sK6znUs/6gQvDIgTrXOCmIORUOHiOY0Bw1vaqENrQBYcvjgKFevLOWVi4WbeNN9c4ucUVrBRYaHoLqDowC0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724913195; c=relaxed/simple; bh=vz8NZV0J24MqlKQ6GuY6C74injV8xf7mS6Cf59vuhqw=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=WsWSCE+3gEa7K330Qwg9JPAeK7sSrS45x3epbZmyZA1SzYBb6TVQyMkiE2BvBKtPgBwU+b6sNBFl6D+lfC6MOKZWKKmDqL8qCV8SHM6eGIXSPd0rWm8/fkLMhXOuuI930U70KDP025ZotCYI13MoGBG0FswUIlAQ0LaH7A3lrDo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.188 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.162.254]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4WvWd74PxgzfbVg; Thu, 29 Aug 2024 14:31:07 +0800 (CST) Received: from dggpeml500022.china.huawei.com (unknown [7.185.36.66]) by mail.maildlp.com (Postfix) with ESMTPS id E38B5180105; Thu, 29 Aug 2024 14:33:11 +0800 (CST) Received: from huawei.com (10.90.53.73) by dggpeml500022.china.huawei.com (7.185.36.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Thu, 29 Aug 2024 14:33:11 +0800 From: Hongbo Li To: , , , , , CC: , , Subject: [PATCH RESEND v3 0/2] Introduce tracepoint for hugetlbfs Date: Thu, 29 Aug 2024 14:41:08 +0800 Message-ID: <20240829064110.67884-1-lihongbo22@huawei.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpeml500022.china.huawei.com (7.185.36.66) Here we add some basic tracepoints for debugging hugetlbfs: {alloc, free, evict}_inode, setattr and fallocate. v2 can be found at: https://lore.kernel.org/all/ZoYY-sfj5jvs8UpQ@casper.infradead.org/T/ Changes since v2: - Simplify the tracepoint output for setattr. - Make every token be space separated. v1 can be found at: https://lore.kernel.org/linux-mm/20240701194906.3a9b6765@gandalf.local.home/T/ Changes since v1: - Decrease the parameters for setattr tracer suggested by Steve and Mathieu. - Replace current_user_ns() with init_user_ns when translate uid/gid. Hongbo Li (2): hugetlbfs: support tracepoint hugetlbfs: use tracepoints in hugetlbfs functions. MAINTAINERS | 1 + fs/hugetlbfs/inode.c | 17 +++- include/trace/events/hugetlbfs.h | 156 +++++++++++++++++++++++++++++++ 3 files changed, 172 insertions(+), 2 deletions(-) create mode 100644 include/trace/events/hugetlbfs.h