From nobody Sat Jan 3 06:33:38 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 60F4BE7C4D5 for ; Wed, 4 Oct 2023 15:14:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243143AbjJDPOi (ORCPT ); Wed, 4 Oct 2023 11:14:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243103AbjJDPOb (ORCPT ); Wed, 4 Oct 2023 11:14:31 -0400 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F06BBF for ; Wed, 4 Oct 2023 08:14:27 -0700 (PDT) Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-40651b22977so4786545e9.1 for ; Wed, 04 Oct 2023 08:14:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1696432466; x=1697037266; darn=vger.kernel.org; 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=A29BZTVXLOLIyIz1ohc6hcIwjz2FYyV3nDH2JWKPVDg=; b=038fOEJ7sMKpTNos3DP4JF9BjrQ0B1hvj3xVwgi210QNblv0DcTlVsUii8uxv7sw8u PoGZ/QiffIshotB255I0FB8ncOZbx73LVaM73MLfrArkam3vK79CJjatl+xLzwyLSwgv Fz+GGNEYh+IXyey6noexJEx27YXvqi4NfcQ3/jS4nIuokAM163tJoM93WiURJX2GT0ku +VuwvpPH/7PYmYLz+5JoAikFweIOKYCRBNg5QQYSub5RaLd3YJBDkUstxXprK3T9oJl+ QvWUYnOP2F3/yHSo1QiOCWu2hat4+E48gwqJ280EW8eMjmr4AwY4S2l9OQtiXR3yDBf5 OAqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696432466; x=1697037266; 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=A29BZTVXLOLIyIz1ohc6hcIwjz2FYyV3nDH2JWKPVDg=; b=XjpwtYIJjDl3ewq6ro9z2n59B05Iq2N9KkdK2j4Ys6yfktKs8Y/A2uTtrpT7Lmyhl9 1kBYrfQ6eNSKtOH2jniVNFc1eeAYLMKoHpB1/ph8xXvHvkD3ItxvAii+pHnv3rEBPT+v Q7OgoX1Y3fkuHAovfkZRjn32aNHoo2MF/RxvQkpMsR4GtI/3mA/cV0PptNj7ZkUvIjfH OaNBQCw1AWiy3qHksUWE/7FnzE7O/99eDiAnpi/kcSUmqtc1jE3MO0iAJgRduDzYCTWL HTtHEZh986PlZMSCu9rjIuAA2fGD1UtsrN/3XeAmZMldgiC+WFAkEBUQtC5eVNhKQ4Lb z/Xg== X-Gm-Message-State: AOJu0YzBjVguGZdiKBy+EWD5Vt/xItXDI//WI8SDNciyaNYRtN0Z5wSg rFR0LPM6ygTExqYPWoQGsmTOzw== X-Google-Smtp-Source: AGHT+IFAs4QCRFIPXdPu9HEhZ6Wlf941rotRjfMZx0FFxD9JoHwVNXpveZ0GmS/Rdy6s4UjHyzja0A== X-Received: by 2002:a05:600c:3c96:b0:403:334:fb0d with SMTP id bg22-20020a05600c3c9600b004030334fb0dmr2534922wmb.4.1696432466012; Wed, 04 Oct 2023 08:14:26 -0700 (PDT) Received: from carbon-x1.. ([2a01:e0a:999:a3a0:9474:8d75:5115:42cb]) by smtp.gmail.com with ESMTPSA id i2-20020a05600c290200b00402f7b50517sm1768764wmd.40.2023.10.04.08.14.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Oct 2023 08:14:25 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Atish Patra , Andrew Jones , Evan Green , =?UTF-8?q?Bj=C3=B6rn=20Topel?= , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Ron Minnich , Daniel Maslowski , Conor Dooley Subject: [PATCH v2 3/8] riscv: report perf event for misaligned fault Date: Wed, 4 Oct 2023 17:14:00 +0200 Message-ID: <20231004151405.521596-4-cleger@rivosinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231004151405.521596-1-cleger@rivosinc.com> References: <20231004151405.521596-1-cleger@rivosinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add missing calls to account for misaligned fault event using perf_sw_event(). Signed-off-by: Cl=C3=A9ment L=C3=A9ger Reviewed-by: Bj=C3=B6rn T=C3=B6pel --- arch/riscv/kernel/traps_misaligned.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps= _misaligned.c index 9daed7d756ae..804f6c5e0e44 100644 --- a/arch/riscv/kernel/traps_misaligned.c +++ b/arch/riscv/kernel/traps_misaligned.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include =20 @@ -294,6 +295,8 @@ int handle_misaligned_load(struct pt_regs *regs) unsigned long addr =3D regs->badaddr; int i, fp =3D 0, shift =3D 0, len =3D 0; =20 + perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, addr); + if (get_insn(regs, epc, &insn)) return -1; =20 @@ -382,6 +385,8 @@ int handle_misaligned_store(struct pt_regs *regs) unsigned long addr =3D regs->badaddr; int i, len =3D 0; =20 + perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, addr); + if (get_insn(regs, epc, &insn)) return -1; =20 --=20 2.42.0