From patchwork Mon Oct 17 16:02:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uladzislau Rezki X-Patchwork-Id: 13009005 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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03C00C43217 for ; Mon, 17 Oct 2022 16:02:40 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8900E6B0075; Mon, 17 Oct 2022 12:02:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 819726B0078; Mon, 17 Oct 2022 12:02:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 693C66B007B; Mon, 17 Oct 2022 12:02:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 5BAD66B0075 for ; Mon, 17 Oct 2022 12:02:40 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 25681AB420 for ; Mon, 17 Oct 2022 16:02:40 +0000 (UTC) X-FDA: 80030909280.19.ECA655F Received: from mail-ej1-f48.google.com (mail-ej1-f48.google.com [209.85.218.48]) by imf18.hostedemail.com (Postfix) with ESMTP id 1AC991C0037 for ; Mon, 17 Oct 2022 16:02:38 +0000 (UTC) Received: by mail-ej1-f48.google.com with SMTP id b2so26017097eja.6 for ; Mon, 17 Oct 2022 09:02:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=UW9p6gqCP8BTkpd3KnUrua005vAUzWUKXVDnMgK4wSE=; b=p7ue2b5p1cSoOlv54tUktRDTVPP4c92MupghFTAiB7PAfixY8Od9qA4Anal/wav/k+ ayqBy3iPRORMqag2K69iY07DYl0HC/MFiVl0niW9mb/mMkozpYDdKxgWRPmQY4WyFLwu c9bbrRIb9lnALtd/DkpaBTHEaWDXXlk4iEjozNede5qOCwtpxo2YI3MMQ/8tIBJx6Ac3 lHqr0+XpxWjPTZJqA0q0MKZX7RC6ErCfQ9xix0Bk3U1F9eHLUbojgx84U9OQ5T/ntJBR Yj6VwsrXhANBCHApVotBbiHAriRfQY313+JPqkUTJLeBHvSR6ADuaGgrlCO2RbWCDOW8 kmSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=UW9p6gqCP8BTkpd3KnUrua005vAUzWUKXVDnMgK4wSE=; b=XSuKX/P9q9my90bXGlgnbbmk86L+dOb/AUbEPesGqIIE4H1TLwLwkzKyz6W9pxG0Ux 7BSm4ZAv0fV1L0Sfn3wMdMjbSYCiGrC2MHZ0AIb5XQs0fhWJi+nIFVPpOponpnG0fj3I tKGmYogO0kPpgs3aSpqmRAjCUBBSuGO1bNRVJNQ6Jg6z4FZp0Dcz51sO8qm1BhHoZoCp 0H77bHeo3bgWzAMWNcs/tyYusCUhLuiw/P0XwVizMR4CNCL0Rk0Xf67Y1/d19YHijNUn vcLiwKbilALivR7ZlDJvgfjS31pXRBMOj4H66t8R6Q5VwD3CVOcxxEOBtG+lN36qsJw7 gfDQ== X-Gm-Message-State: ACrzQf2LOEFcBipkTMSYl0dXWpujvBOcovqzP5pR/uYV049slDxxiQfD 5MRFugDlGiY+a1oWM/KxSS8= X-Google-Smtp-Source: AMsMyM5SxZrbOhitrGkJnUUrBOtivtJ91xTMK9BjD/W3QMvvFR3FFy8S4KBWCllqWlOu7s/nUtGDyA== X-Received: by 2002:a17:906:6a25:b0:78d:4906:b960 with SMTP id qw37-20020a1709066a2500b0078d4906b960mr9490255ejc.647.1666022557707; Mon, 17 Oct 2022 09:02:37 -0700 (PDT) Received: from pc638.lan ([155.137.26.201]) by smtp.gmail.com with ESMTPSA id g16-20020a170906539000b0073d5948855asm6389629ejo.1.2022.10.17.09.02.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Oct 2022 09:02:37 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: Andrew Morton Cc: linux-mm@kvack.org, LKML , Christoph Hellwig , Matthew Wilcox , Nicholas Piggin , Uladzislau Rezki , Oleksiy Avramchenko Subject: [PATCH 1/7] mm: vmap: Add alloc_vmap_area trace event Date: Mon, 17 Oct 2022 18:02:25 +0200 Message-Id: <20221017160233.16582-2-urezki@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20221017160233.16582-1-urezki@gmail.com> References: <20221017160233.16582-1-urezki@gmail.com> MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666022559; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=UW9p6gqCP8BTkpd3KnUrua005vAUzWUKXVDnMgK4wSE=; b=EwGVzOqCWhRmCNg7gNF+3lwW1xUOqhatRsS+xylG2xdWVYjxxUy+CZ0axEajrWTowUUtGw qVJcSxbe0m7Fq56IWTOxxBZH8ZKdBVe6cXC3pkULNlwX/elfNfTGAlQkTtnUVU34nJeeWc 6mx5RQmUeIrZvLqEfOgbhMBMqCn95so= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=p7ue2b5p; spf=pass (imf18.hostedemail.com: domain of urezki@gmail.com designates 209.85.218.48 as permitted sender) smtp.mailfrom=urezki@gmail.com; dmarc=pass (policy=none) header.from=gmail.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1666022559; a=rsa-sha256; cv=none; b=U6nnOoma1bBUWs24yzjtIrXqjKZDqzXDfH/vMQTs3rMBvbIsbuiDtg+2M/wujZvnaLE6TV C440AOlm8L8aVMoCyIxA8cgPY8u1Ed65DMbufrttFNy7bl32JgvQlqoz5sJ3wB+Jts/R50 N483GGgo9m/UD+s5s43NBVPqPdjn1cQ= X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 1AC991C0037 X-Rspam-User: Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=p7ue2b5p; spf=pass (imf18.hostedemail.com: domain of urezki@gmail.com designates 209.85.218.48 as permitted sender) smtp.mailfrom=urezki@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Stat-Signature: mu4mbwsgaq3zm7rccw91dqqnc6ckxzzg X-HE-Tag: 1666022558-302770 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: It is for a debug purpose and for validation of passed parameters. To: Steven Rostedt Signed-off-by: Uladzislau Rezki (Sony) --- include/trace/events/vmap.h | 56 +++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 include/trace/events/vmap.h diff --git a/include/trace/events/vmap.h b/include/trace/events/vmap.h new file mode 100644 index 000000000000..504870d95a4e --- /dev/null +++ b/include/trace/events/vmap.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM vmap + +#if !defined(_TRACE_VMAP_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_VMAP_H + +#include + +/** + * alloc_vmap_area - called when a new vmap allocation occurs + * @addr: an allocated address + * @size: a requested size + * @align: a requested alignment + * @vstart: a requested start range + * @vend: a requested end range + * @failed: an allocation failed or not + * + * This event is used for a debug purpose, it can give an extra + * information for a developer about how often it occurs and which + * parameters are passed for further validation. + */ +TRACE_EVENT(alloc_vmap_area, + + TP_PROTO(unsigned long addr, unsigned long size, unsigned long align, + unsigned long vstart, unsigned long vend, int failed), + + TP_ARGS(addr, size, align, vstart, vend, failed), + + TP_STRUCT__entry( + __field(unsigned long, addr) + __field(unsigned long, size) + __field(unsigned long, align) + __field(unsigned long, vstart) + __field(unsigned long, vend) + __field(int, failed) + ), + + TP_fast_assign( + __entry->addr = addr; + __entry->size = size; + __entry->align = align; + __entry->vstart = vstart; + __entry->vend = vend; + __entry->failed = failed; + ), + + TP_printk("va_start: %lu size=%lu align=%lu vstart=0x%lx vend=0x%lx failed=%d", + __entry->addr, __entry->size, __entry->align, + __entry->vstart, __entry->vend, __entry->failed) +); + +#endif /* _TRACE_VMAP_H */ + +/* This part must be outside protection */ +#include