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 026C013D275; Tue, 14 May 2024 11:40:15 +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=1715686815; cv=none; b=dPKDbgWjuH+Z6+aS+INRfop3TLD7o8qZmoi+Lk1dLpvIt9kyGoG92zCTu4wr56plZ4QIrTJQZj/TA8F7uTmQmNozo4sXkQ13qr1kr1uD30M+HS2K0VBLEnXVsagxdpkCKKjfZkwNZN/nfs7kwUIcEsU0Ea2zcDNMilrccRThhGc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715686815; c=relaxed/simple; bh=HDXYNlxWi390Dg5rALdY6LI0TpevcSKP+p+hVpX1w+0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=i1StA9RBGe5iB254dyC9Ec81MjOl0/mE7HHG3ZeSKsTOX6x7WmN5gxAOuM6qMiJXkuF45DdTQFVDxijdoodnk3GonJgD3wTbyO/kQohOs0Qjw1ncueEuGjEkyT9wmj0qryDXXrSpTKLjd1brpDxNrIhGcG7GYl9tzf+G5qQusTc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=T3nvAiEz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="T3nvAiEz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7EE8BC2BD10; Tue, 14 May 2024 11:40:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1715686814; bh=HDXYNlxWi390Dg5rALdY6LI0TpevcSKP+p+hVpX1w+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T3nvAiEz8svL5Hx5ckDxWrkpCTQDRN+wVkhvU/QWaUw/4soGjeni3qkbVsmKqu/Um Xj6zQdU3FQbTSTeWMfkq8Xr1kenxnTmNc0mcSG59ykL2/ZQFzmbpMBideYSrcRnarX n+p1++gCgzPUa8mWxghR6t7BIpZHeMCsMRZZkyeQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Peng Liu , Len Brown , Sasha Levin Subject: [PATCH 4.19 32/63] tools/power turbostat: Fix Bzy_MHz documentation typo Date: Tue, 14 May 2024 12:19:53 +0200 Message-ID: <20240514100949.230298867@linuxfoundation.org> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240514100948.010148088@linuxfoundation.org> References: <20240514100948.010148088@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ 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 a6db83a88e852..25a560c41321d 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -318,7 +318,7 @@ 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