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 6F24747A76; Mon, 22 Apr 2024 23:54:07 +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=1713830047; cv=none; b=iUqA/GsOw7SA1oXRfKl9DgsXydJRXWeHqWjqJCdFjFk8S4mpjn71rZOAGUPg+CoK0TbuMoFuMpK10mc9wc1fbMEWzK7gvz3n8rYP7JnjTnAFAVfCvHa8C3DVJrifKgggSxJe43O8vvBSjbmoolJxOidNj2abiDZrnym1NVY7QqE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713830047; c=relaxed/simple; bh=bStklwwtNdltoD12r8eJEawIcHIsh/UnVk0kuaeICpk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CzhiyluwoPZBX6lBDK4X3qCAt3CZMdUSUuzgWe7TNaznoYselxw82ZBC4+9szE0DQmGKpWvhLB6ZyLaqTwNRnTAMPs5vvDRdbFCCnUe9saK/5saxwHcF1HHHk4AO4JsGkNawLW2/5ggUdWcTW87symcPk2ASFDLkH4ktFqM+CHY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YONnhphh; 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="YONnhphh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FA2FC2BD11; Mon, 22 Apr 2024 23:54:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713830047; bh=bStklwwtNdltoD12r8eJEawIcHIsh/UnVk0kuaeICpk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YONnhphhT17RXnGNGYa33pqjuJ3wAjsebY+AGzmgFHqMXEQvjmPfviX3PqGxoIXYc bheO1OxLP64sGWvzAosUktgPr16a5ZB9q3448GlpQCL/Xe3cS/ehT4y90R2tnZ/281 1WXVur/4yxnbnHqXO4c2au73Il6s/RdRrAvthpVU54tcJfGpSuwl3uyDiZpcizyLL2 UaDSDJRixl7XYPRZt13/qAR0vlxK689cPcJSW5OSOmUj3Ltvg3IsgpZkcEqFW8BAiE oh5T90qXPuLTC0VBzMr31qizlsoWtBmkLfjkSpzD7WscMMi/pJauOek+UCjCjR/1JV HWp0afNI9HIpQ== 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 6.8 03/43] tools/power turbostat: Fix Bzy_MHz documentation typo Date: Mon, 22 Apr 2024 19:13:49 -0400 Message-ID: <20240422231521.1592991-3-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240422231521.1592991-1-sashal@kernel.org> References: <20240422231521.1592991-1-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 6.8.7 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 8f08c3fd498d5..1ba6340d3b3da 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