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 27D771C9EAE; Mon, 22 Apr 2024 23:59:24 +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=1713830365; cv=none; b=BOeADodtcinkqHXHyrIAGGSpx5ainVCGZbN1OfBUzAVicpKSmt+pYqjVlrJpE5U1SAQfIKlDFNCrVcO4hxKIWCJ+/5seVrYIWIT26iraDILawbJjZUwQoqPGxDPCzlGIFjxRDUjBv8ooUlwo3jKi4IGp0j4l42Oa95UbLv/HWxc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713830365; c=relaxed/simple; bh=vLQFAZIJubsoxdjKFTHmou1qkN+kTNZCtLfClWjL4vI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HDXv+QDwAl70iDgtzu+iN8o0i+YmkGy7doUBs6kNjrp6NAFheVJN9VupZAPdS+a3UzH6OBiQtAlrkNHrI0QuJ2KvMDwKiG5yqxRdIuYdgNX1AP0BjG0Kjx5aXdFwKbXwtrGQhzL91JoatRD4vtuz/wRbIzEWH51fChoOAvKSNn8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FKV9XUNI; 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="FKV9XUNI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9DD7C3277B; Mon, 22 Apr 2024 23:59:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713830364; bh=vLQFAZIJubsoxdjKFTHmou1qkN+kTNZCtLfClWjL4vI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FKV9XUNIaU3cFaRRVaApE73GUuUO8boG8m6JIrL69lWA8as8oNSh8ff7ydRPgJUzX /Uvuv53wQZxc8EUXMbiigBLo0SOxDaaPlzrAJq8xtAbz82crl9BrpKnVI5Z4KlEZYR 2Pk1MV+YAzyCv7ZGqcGXigA0mpQgn8PqZDM6QGHgTQxFyTZfrLXA11Ao78JJYDcsyV wrefZVCb3YWpRkqxU2d2Nuz6cb08aTL5KDAahtWx8O6CXch9c7heJuZZ8d8NFqM+kB +37e8OBChChaIxrV/sb146HZ68OR0fHSwtgzuyR/t4zr0jMCzYn/m27l3ysaO91VSc +8DlJj+Z8Xo0A== 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 4.19 2/7] tools/power turbostat: Fix Bzy_MHz documentation typo Date: Mon, 22 Apr 2024 19:20:34 -0400 Message-ID: <20240422232040.1616527-2-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240422232040.1616527-1-sashal@kernel.org> References: <20240422232040.1616527-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 4.19.312 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