From nobody Tue Apr 7 15:53:44 2026 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 CCBF9C433FE for ; Mon, 17 Oct 2022 16:02:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230211AbiJQQCo (ORCPT ); Mon, 17 Oct 2022 12:02:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38460 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229896AbiJQQCk (ORCPT ); Mon, 17 Oct 2022 12:02:40 -0400 Received: from mail-ej1-x62b.google.com (mail-ej1-x62b.google.com [IPv6:2a00:1450:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 562AE6B64B for ; Mon, 17 Oct 2022 09:02:39 -0700 (PDT) Received: by mail-ej1-x62b.google.com with SMTP id y14so25952432ejd.9 for ; Mon, 17 Oct 2022 09:02:39 -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=AJr+ahjz/DNTHw/hC7dV/VK3pfUk6bq+o0oRGd4Yb/2Es6tCStrJ+fdzUKEjB1HY3S 8jzvReX7ERMH+zaNUlxo0iDSAvKAFxjWAIV6Ou3d1vYl9JzVkh+cuOFhtx4fgefjjkIk hkNl5f6z5t/Om/bpLqpYzXpFhjwLxMXr3tBNCKtUcL09CABP9Z9EN+IAoZWT1HYA5+QO zVOvliiLOFwwQIMNFKMDAVJiN1W/A4U8Mb0TjD3VdMPzNhtFtWlNbkOz4jAOwxek6U64 l5WLZcFy9FjSU4fPj6/DfRORaDZFOL412s5cCY0LkzhXA9rGv07dV/TeEiKcMH5l3Ikc Uajw== X-Gm-Message-State: ACrzQf0IinmqyfcxF3JZAtiILFtib9wXKH6tw2sPG7+mUfeGNo22TDSO REtbAQVejlWM5WD/4VdOY08= 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 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 =3D addr; + __entry->size =3D size; + __entry->align =3D align; + __entry->vstart =3D vstart; + __entry->vend =3D vend; + __entry->failed =3D failed; + ), + + TP_printk("va_start: %lu size=3D%lu align=3D%lu vstart=3D0x%lx vend=3D0x%= lx failed=3D%d", + __entry->addr, __entry->size, __entry->align, + __entry->vstart, __entry->vend, __entry->failed) +); + +#endif /* _TRACE_VMAP_H */ + +/* This part must be outside protection */ +#include --=20 2.30.2