linux-kernel - [PATCH 5.4 023/411] tools/power turbostat: fix ICX DRAM power numbers

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Message-Id: <20220613094929.196173564@linuxfoundation.org>
Date:   Mon, 13 Jun 2022 12:04:56 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Len Brown <len.brown@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 023/411] 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 988326b67a91..8bf6b01b3560 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -3865,6 +3865,7 @@ rapl_dram_energy_units_probe(int  model, double rapl_energy_units)
 	case INTEL_FAM6_HASWELL_X:	/* HSX */
 	case INTEL_FAM6_BROADWELL_X:	/* BDX */
 	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