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 E66CF1A0AF6; Mon, 22 Apr 2024 23:58:39 +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=1713830320; cv=none; b=WG6J+jlBohaa+g9P8z0fSkWWVPynL/1cImNA8WNLPQ1/HvpUwN7LNGkmijtx6IKDb4yhSGJgrjU3lqUHOeNCMO+GaL5qCB0M860bJ81I0KiPgRU9DbN9FJoHECPIV13Ym45k8Z+eJ/ix0FJyEmNCTURBc5+fHDYyix/U1EHJkCM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713830320; c=relaxed/simple; bh=ZcWYBw/aQ++cOybcjfSeuQ5sdKnCiuMEN4fdirKcXeg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eqT5LAGEJmXJC3OVAH2FJ9mbtdhoG9kibuKnwiNCpr4UMHqQNGk5jhhu4/94OCZTpHhzT2kAt4qUAkBh95F8dyYiHMNPSKWpSzXy/SFnVZgWPG1zZ4tLzQwqlh2tSWHxwpJXgEZv4MBpn9+OU3UYHv7+X/O1opbZvXdWc0urQTw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Qe4NDqw2; 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="Qe4NDqw2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05D69C32786; Mon, 22 Apr 2024 23:58:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713830319; bh=ZcWYBw/aQ++cOybcjfSeuQ5sdKnCiuMEN4fdirKcXeg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qe4NDqw2AKaY49u3ffVRp28IwHOsxqXKfguvVEcwoKRsvKMS19p+metcm62eGjuVL tiK/IyXU+eV+kSQBXrTtNxu5ms+/1GCtbhJtwPZpnGuhPUaluLqTne8uQerWb7zj0d LpFlhCUcBUAQKdiBhb+N/08uJkwNEhV5PSSjI4FMgQXkxLsgTn4ZWCIase1esmIeej W0SXpy3XHCpK/dIlTLLmuidnqEY6tTECAjeY8tab3gHDBfpicCO0kFhGUl3R1DiobI kKG/UHlhiiLQPA39zlgPwuLIN95OvDbQ4uCy27JGHGmpup7BMwrN2Gf0qAnbj/Cvk+ asvH49cux79nw== 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 5.10 2/9] tools/power turbostat: Fix Bzy_MHz documentation typo Date: Mon, 22 Apr 2024 19:19:43 -0400 Message-ID: <20240422231955.1613650-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240422231955.1613650-1-sashal@kernel.org> References: <20240422231955.1613650-1-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 5.10.215 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 71e3f3a68b9df..f8cc88c56ae8f 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -320,7 +320,7 @@ 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