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 B2DD9158DAB; Mon, 22 Apr 2024 23:59:04 +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=1713830344; cv=none; b=SMzQtuheuyi11SBlJsBP1nDNh+UT9ihP23uhcO6NP0bEiX412+pEPtyYU2hHiIipqn152SFqCSH/tAWlY9DWMAs7OSjwRgAzsLfHXQK5QtUaDk0u1dJY9MQF/G1N8uyQNj5Tnjumzolrb6ZKi4C/NtUC9eURvFvw7r/3HaWpmEg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713830344; c=relaxed/simple; bh=vLQFAZIJubsoxdjKFTHmou1qkN+kTNZCtLfClWjL4vI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KwqKeKMO8ioozAh/U5Vx3yYt3MzGF9ypz6i6EfVS15jd7XR5HCii1UAm1ZJxnJj98s4VoGX0lkIrrStOGyXGGsQ3Onxty0guBDq/u2bkCOvrZzrR5LfPint3cifq+yQXbQ58FUl+rZMX3nGWS3X4MYM28ix5MJFBlGDUmwIXWM4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aMwirvHr; 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="aMwirvHr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 683E4C2BD11; Mon, 22 Apr 2024 23:59:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713830344; bh=vLQFAZIJubsoxdjKFTHmou1qkN+kTNZCtLfClWjL4vI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aMwirvHru/GqyZHy795VoU8lf/oPGYhLBABsI/zdS9RoRt5Fmkz1CM4EX5ocYF6ro bPDVqbm40jEHp6r6vIPl0OA2bLYRpKw8Mv6Fzl0NMnP0pO2L6pY839kAiSQeH76nfC T5nH/BLVIArOnlNlK/a5R8Tgk1yceoYxvBQmEJuZFEPq0F+3g+IC5/LngjrxKDMaMi MWjzk7bxziqL9W5z/iK3wuFaOTP/rASQY2kRIkPyxHrpH9bF3ye/ByHLwCu96Fh8eX x7O3yKNTmIoWFJrBjGDF0/3BAh1DCYAe0azJO2HAoZM5WeLjwgTwaoNkATl+iT9iFB 7IDGyyyqx1FDA== 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 5.4 2/9] tools/power turbostat: Fix Bzy_MHz documentation typo Date: Mon, 22 Apr 2024 19:20:07 -0400 Message-ID: <20240422232020.1615476-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240422232020.1615476-1-sashal@kernel.org> References: <20240422232020.1615476-1-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 5.4.274 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 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