linux-kernel - [PATCH AUTOSEL 5.15 023/109] tools/power turbostat: fix ICX DRAM power numbers

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Message-Id: <20220530133825.1933431-23-sashal@kernel.org>
Date:   Mon, 30 May 2022 09:36:59 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Len Brown <len.brown@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Sasha Levin <sashal@...nel.org>, lenb@...nel.org,
        linux-pm@...r.kernel.org
Subject: [PATCH AUTOSEL 5.15 023/109] tools/power turbostat: fix ICX DRAM power numbers

From: Len Brown <len.brown@...el.com>

[ Upstream commit 6397b6418935773a34b533b3348b03f4ce3d7050 ]

ICX (and its duplicates) require special hard-coded DRAM RAPL units,
rather than using the generic RAPL energy units.

Reported-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Signed-off-by: Len Brown <len.brown@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/power/x86/turbostat/turbostat.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 47d3ba895d6d..4f176bbf29f4 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -4376,6 +4376,7 @@ static double rapl_dram_energy_units_probe(int model, double rapl_energy_units)
 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
 	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
 	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
+	case INTEL_FAM6_ICELAKE_X:	/* ICX */
 		return (rapl_dram_energy_units = 15.3 / 1000000);
 	default:
 		return (rapl_energy_units);
-- 
2.35.1