From nobody Fri Feb 13 11:13:23 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 9241BE7E648 for ; Tue, 26 Sep 2023 15:04:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233699AbjIZPEI (ORCPT ); Tue, 26 Sep 2023 11:04:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234710AbjIZPEC (ORCPT ); Tue, 26 Sep 2023 11:04:02 -0400 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 400C3116 for ; Tue, 26 Sep 2023 08:03:56 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id 5b1f17b1804b1-40471c054f9so26829005e9.0 for ; Tue, 26 Sep 2023 08:03:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1695740635; x=1696345435; 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=0nyDpPdQazxwk2pvs7+quB1sTF8r3wWKIala/GUDnoY=; b=iQLtiJWikzzMfUnX3aBxlqJxZO34Oq4/0eY/4zy67P0ae538nhd3lqfHSMLJchldeK 6n3PW+U4oOlKeEViXFYxh5ZUEYM2usI5M0eNEKFEZDinKouPCi5RYHGmDwO90vHLqXiU wJqfOI8WZSQ204TPtgtXqGRtN/AsPYi1KbzDLeHGOZODi0UnwPyrjcjrEoLRwRw01nID ImKqw1BsTT4/zSIqlQZuEpbqBrv3ppcWmv1EBsv6eVHAT89LCMU/JYfiyTx72i2TIeeA r3R1T3aio4/TENIvKRyTmPjEHUntHoHtPy8K/3JyWjEU6HadoF9bqonMDkp2WYssA77j yG1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695740635; x=1696345435; 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=0nyDpPdQazxwk2pvs7+quB1sTF8r3wWKIala/GUDnoY=; b=EXRs2uNRqTy2MniqwjHv85MGCm9VtXF3u7jU/DboljUF24kZE7KvVn4O6mtI8Pt5Q0 /mANJUkCaAuo+yqb8WZCNwIzehlhr4O8LubsVxJejX+hpFu97QB9zZo7c1VdVDRMs8XS ySOauW7Z9Gdqv83FmfcVGtGMpW0uGqzg8l5LfV+ke/Q72JGnIhLfbzZ+5R+r4SfprHjl WfSNRI0nMw3VO1hGtcOwribRRB7VCh36rSa1fmcF16mTK4YY14mVonEjgaIhMgmaNiyn iwjXY6y4Yjlwsj8pV94Y9akRo6Z9E3tNXk6jGQ84hsXXgCwHgJUdxx0cJ12QENW4uiUq ncjg== X-Gm-Message-State: AOJu0YyTsiLFMIGcvMLAutj8EWxvY2/MXLKDXA38Q4j4rrOnjiUrtbXZ b+NG6lxFt2ZURovys7QHcxnfOw== X-Google-Smtp-Source: AGHT+IGYli5WdDX3fLxDTBPXQEXiU0p8vh4593GY6BMsCSxPr/ByItH+Sc2kbRCDAkHR7bnBCb9y6w== X-Received: by 2002:a5d:595e:0:b0:31f:899b:a47 with SMTP id e30-20020a5d595e000000b0031f899b0a47mr8497274wri.4.1695740634745; Tue, 26 Sep 2023 08:03:54 -0700 (PDT) Received: from carbon-x1.. ([2a01:e0a:999:a3a0:2b3d:6c70:9dbf:5ede]) by smtp.gmail.com with ESMTPSA id x11-20020a5d650b000000b00318147fd2d3sm14926060wru.41.2023.09.26.08.03.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Sep 2023 08:03:54 -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 Subject: [PATCH 3/7] riscv: report perf event for misaligned fault Date: Tue, 26 Sep 2023 17:03:12 +0200 Message-Id: <20230926150316.1129648-4-cleger@rivosinc.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230926150316.1129648-1-cleger@rivosinc.com> References: <20230926150316.1129648-1-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 --- 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 2.40.1