From mboxrd@z Thu Jan 1 00:00:00 1970 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 A78AFC77B7F for ; Fri, 12 May 2023 08:57:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240284AbjELI5N (ORCPT ); Fri, 12 May 2023 04:57:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33368 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240226AbjELI5H (ORCPT ); Fri, 12 May 2023 04:57:07 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 040C910A23 for ; Fri, 12 May 2023 01:56:58 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id 5b1f17b1804b1-3f315712406so313171485e9.0 for ; Fri, 12 May 2023 01:56:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20221208.gappssmtp.com; s=20221208; t=1683881816; x=1686473816; 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=hbhrF1vaRRoJzYyea1JBFcTA2VAH3WkbBcvliTXkyWM=; b=acVr4rEpZzh5BDTE3sCn1nL2V53Rd6FEEhr9YcXuVFfaaqCmyAiwlO95PasYfT0SGj kGR1ZV2BHmTa2qKvGMrDop8XWV7YinIqdDnGqQQT74v6MaiI5j7pik4jo+/fqg21x6f0 YOS1AvpcZbF6yUuI/szDxFNTKKScZXq+a/zfEYSFViTnUDJdJ1o3AV440ACM5WinqbA8 N/jROH4LvspGZDwgbqPZoypXDcNLEuNf+RYM0lESX4aGNXX0YNItu2rVcEGI8MUL3qDh lexX4ho58ebwc2SbO9qrSxysj8oD6C6z3V6mt7Uq7e5Oo7aQxDVJW6zfRgi0o8Kp+MwO 2M9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683881816; x=1686473816; 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=hbhrF1vaRRoJzYyea1JBFcTA2VAH3WkbBcvliTXkyWM=; b=OiGbxX7bMWiRSMuEKiE705bxlA3t3t8JCrzwq7xZnoG4D5Y1KafTo+7QwxV00xUMrs TmDwKqwhy1OxwjHGnF6KBMCp1dHJrGC27UTYFngL0u8/ahrbwKaKq8BWfC7lt/kSmELJ ZYd4y2kE08nXgUvijNOL+CftfqVcgiCJr1+oEZWHCLbwcZYJEWnVozCfCK0aF6vdy9UM Jj8PMd6ArkNPryKEWmyVjX8oGyXYQezYS+Zp1vyoNGYp17sb3YjDy+YHDwUhOPsXUCFe +WeNkx2QBIIERZGRzD5J2wZhFld7p+T9lvmhq83dYqjsxnTvrMmOZtQuFOnAcofdIZiI +YjA== X-Gm-Message-State: AC+VfDz/P+w2HvORK9gen6sLLJTDGSvYrkXyHelD+WwOHLsXSFM9imA9 88UwrYstdmN7uV4aUyv8PssA8A== X-Google-Smtp-Source: ACHHUZ5iEPG/+h+duX0vfpwWwpJ/AAziiXGkzegiSPOBvbbch/qAjATyDjuRLujdEH9ME1cg+vOqzw== X-Received: by 2002:a05:600c:4f45:b0:3f4:2bcf:e19 with SMTP id m5-20020a05600c4f4500b003f42bcf0e19mr8250663wmq.8.1683881816508; Fri, 12 May 2023 01:56:56 -0700 (PDT) Received: from alex-rivos.home (amontpellier-656-1-456-62.w92-145.abo.wanadoo.fr. [92.145.124.62]) by smtp.gmail.com with ESMTPSA id s7-20020a1cf207000000b003e91b9a92c9sm27963429wmc.24.2023.05.12.01.56.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 May 2023 01:56:56 -0700 (PDT) From: Alexandre Ghiti To: Jonathan Corbet , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Paul Walmsley , Palmer Dabbelt , Albert Ou , Atish Patra , Anup Patel , Will Deacon , Rob Herring , Andrew Jones , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org Cc: Alexandre Ghiti Subject: [PATCH v2 03/10] riscv: Make legacy counter enum match the HW numbering Date: Fri, 12 May 2023 10:53:14 +0200 Message-Id: <20230512085321.13259-4-alexghiti@rivosinc.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230512085321.13259-1-alexghiti@rivosinc.com> References: <20230512085321.13259-1-alexghiti@rivosinc.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org RISCV_PMU_LEGACY_INSTRET used to be set to 1 whereas the offset of this hardware counter from CSR_CYCLE is actually 2: make this offset match the real hw offset so that we can directly expose those values to userspace. Signed-off-by: Alexandre Ghiti --- drivers/perf/riscv_pmu_legacy.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/perf/riscv_pmu_legacy.c b/drivers/perf/riscv_pmu_legacy.c index ca9e20bfc7ac..0d8c9d8849ee 100644 --- a/drivers/perf/riscv_pmu_legacy.c +++ b/drivers/perf/riscv_pmu_legacy.c @@ -12,8 +12,11 @@ #include #include -#define RISCV_PMU_LEGACY_CYCLE 0 -#define RISCV_PMU_LEGACY_INSTRET 1 +enum { + RISCV_PMU_LEGACY_CYCLE, + RISCV_PMU_LEGACY_TIME, + RISCV_PMU_LEGACY_INSTRET +}; static bool pmu_init_done; -- 2.37.2