From nobody Wed Apr 8 12:34:22 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 9AABCC00140 for ; Sun, 21 Aug 2022 08:06:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229593AbiHUIGY (ORCPT ); Sun, 21 Aug 2022 04:06:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229820AbiHUIGV (ORCPT ); Sun, 21 Aug 2022 04:06:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B3301A3A7 for ; Sun, 21 Aug 2022 01:06:20 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id AEDA260DB9 for ; Sun, 21 Aug 2022 08:06:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C6221C433D6; Sun, 21 Aug 2022 08:06:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661069179; bh=mqXsFwh+05iiPRNW7M9j0aSWVfB/2J8LNjTrDN/eDxQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NYMd1UzzNphHb8iRHDLims0gh3V8ZnccAgVHIX+a/FMXEKwQX6AXzezVIg/zpwDPL V6aDvilMWFzpqtbcH1QgvKkqefCM3Pq0HB4p2KW6TRpPvBwkbjTV186S1EzMRQUqXX tqLuEub+vxrR0jV7isyQROn9uj3lXGApoG7Z9B6ogZrav/oJOER74zH/Y5ZnIpyWZ1 qd/LcdFad2is3htvMkvWmwR8XVt6Elit4eVJdhGPIVvEWKfhUQUIYK7YdzMoEISjbR TObhMR/WwN1taCdDti5AggERsPc0X770H8C/Aj0oUSbON1YM3tFYyHYPhVeDm/YRx/ PLHuIxDnLKZkQ== From: Oded Gabbay To: rostedt@goodmis.org Cc: linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, Ohad Sharabi Subject: [PATCH v2 2/3] habanalabs: trace MMU map/unmap page Date: Sun, 21 Aug 2022 11:06:07 +0300 Message-Id: <20220821080608.27486-3-ogabbay@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220821080608.27486-1-ogabbay@kernel.org> References: <20220821080608.27486-1-ogabbay@kernel.org> 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" From: Ohad Sharabi This patch utilize the defined tracepoint to trace the MMU's pages map/unmap operations. Signed-off-by: Ohad Sharabi Reviewed-by: Oded Gabbay Reviewed-by: Steven Rostedt (Google) Signed-off-by: Oded Gabbay --- Changes in v2: - Avoid check the return code in case tracing is disabled drivers/misc/habanalabs/common/mmu/mmu.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/misc/habanalabs/common/mmu/mmu.c b/drivers/misc/habana= labs/common/mmu/mmu.c index 60740de47b34..f901e668a468 100644 --- a/drivers/misc/habanalabs/common/mmu/mmu.c +++ b/drivers/misc/habanalabs/common/mmu/mmu.c @@ -9,6 +9,8 @@ =20 #include "../habanalabs.h" =20 +#include + /** * hl_mmu_get_funcs() - get MMU functions structure * @hdev: habanalabs device structure. @@ -259,6 +261,9 @@ int hl_mmu_unmap_page(struct hl_ctx *ctx, u64 virt_addr= , u32 page_size, bool flu if (flush_pte) mmu_funcs->flush(ctx); =20 + if (trace_habanalabs_mmu_unmap_enabled() && !rc) + trace_habanalabs_mmu_unmap(hdev->dev, virt_addr, 0, page_size, flush_pte= ); + return rc; } =20 @@ -344,6 +349,8 @@ int hl_mmu_map_page(struct hl_ctx *ctx, u64 virt_addr, = u64 phys_addr, u32 page_s if (flush_pte) mmu_funcs->flush(ctx); =20 + trace_habanalabs_mmu_map(hdev->dev, virt_addr, phys_addr, page_size, flus= h_pte); + return 0; =20 err: --=20 2.25.1