From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3EEB2176FC3; Mon, 22 Apr 2024 23:57:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713830252; cv=none; b=UTiahN8wlAvv73FkCsXSW2jsU7fVw/urBNuokV7ydV/i48jsP5cwbp4BTabVnaQh1iyj6uA2gsIXLdOnuhg3HbTbsRySold/OOPklS/nesHkOttq98MB+wRaLvIRfnxPbEr+JLMw061dU42H/BQXnRJdSPMgjx1xUI31iNlEg3I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713830252; c=relaxed/simple; bh=Ahr8/zYK+zZs32yVTptNcG2uRJYuvk3bfshcRfebxmo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S/nCJshCNfJ2tPHWK72tcYWlmBFavsftYh1srEX6SzuxL67BRrV+zDXmex3jUmFqKxvkJe/6SFe6AcAPMB58i0FRdTOkKFdpBHyNsvAAfjWKLDS+QM8JkL3cAIgr0sudNa44w18YUHoNGznGqzGIoL+7tefVgwHnq7DIZ5lvX34= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PfoiByLh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PfoiByLh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id EA6AEC2BD11; Mon, 22 Apr 2024 23:57:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713830250; bh=Ahr8/zYK+zZs32yVTptNcG2uRJYuvk3bfshcRfebxmo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PfoiByLhbgs7r76GR5H8cYdNJj7VpR8LBXFxRYj2FwmNdv3+9ikdl/B1p3g7RDVL2 RzF7owp//zxi3bCS1x6qKMf2qcsS4ZzvQCtVFVRvN6TF7SIq+8o5i8HvAA1vZMm617 vxHI47BIuggHf/b8yE80nqqD3ZN+T+/HD6ePYLy2Y/xXlEQ+1338pX8QxOCxw4UKqo inSQOsDstcBgU8DPH8KhBb91HL8yqTCMc+fXqasFl79njdLT4nO+g0VpdwEIqAzDAt PE3j0DPoH9HQChbFI0fQK6U5n+gvD1D4aZ34WorbsM9Cqo1+OuDRppN/Rc1fkV9xjN vQOxyZgrUqOBQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Peng Liu , Len Brown , Sasha Levin , lenb@kernel.org, linux-pm@vger.kernel.org Subject: [PATCH AUTOSEL 6.1 03/19] tools/power turbostat: Fix Bzy_MHz documentation typo Date: Mon, 22 Apr 2024 19:18:17 -0400 Message-ID: <20240422231845.1607921-3-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240422231845.1607921-1-sashal@kernel.org> References: <20240422231845.1607921-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.87 Content-Transfer-Encoding: 8bit From: Peng Liu [ Upstream commit 0b13410b52c4636aacb6964a4253a797c0fa0d16 ] The code calculates Bzy_MHz by multiplying TSC_delta * APERF_delta/MPERF_delta The man page erroneously showed that TSC_delta was divided. Signed-off-by: Peng Liu Signed-off-by: Len Brown Signed-off-by: Sasha Levin --- tools/power/x86/turbostat/turbostat.8 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index 3e1a4c4be001a..7112d4732d287 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -370,7 +370,7 @@ below the processor's base frequency. Busy% = MPERF_delta/TSC_delta -Bzy_MHz = TSC_delta/APERF_delta/MPERF_delta/measurement_interval +Bzy_MHz = TSC_delta*APERF_delta/MPERF_delta/measurement_interval Note that these calculations depend on TSC_delta, so they are not reliable during intervals when TSC_MHz is not running at the base frequency. -- 2.43.0