[PATCH AUTOSEL 6.13 12/17] perf/x86/rapl: Add support for Intel Arrow Lake U

From: Sasha Levin
Date: Mon Mar 03 2025 - 11:38:33 EST


From: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>

[ Upstream commit 68a9b0e313302451468c0b0eda53c383fa51a8f4 ]

Add Arrow Lake U model for RAPL:

$ ls -1 /sys/devices/power/events/
energy-cores
energy-cores.scale
energy-cores.unit
energy-gpu
energy-gpu.scale
energy-gpu.unit
energy-pkg
energy-pkg.scale
energy-pkg.unit
energy-psys
energy-psys.scale
energy-psys.unit

The same output as ArrowLake:

$ perf stat -a -I 1000 --per-socket -e power/energy-pkg/

Signed-off-by: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Acked-by: Zhang Rui <rui.zhang@xxxxxxxxx>
Link: https://lore.kernel.org/r/20241224145516.349028-1-aaron.ma@xxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/x86/events/rapl.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c
index a8defc813c369..7e493963d0576 100644
--- a/arch/x86/events/rapl.c
+++ b/arch/x86/events/rapl.c
@@ -796,6 +796,7 @@ static const struct x86_cpu_id rapl_model_match[] __initconst = {
X86_MATCH_VFM(INTEL_METEORLAKE_L, &model_skl),
X86_MATCH_VFM(INTEL_ARROWLAKE_H, &model_skl),
X86_MATCH_VFM(INTEL_ARROWLAKE, &model_skl),
+ X86_MATCH_VFM(INTEL_ARROWLAKE_U, &model_skl),
X86_MATCH_VFM(INTEL_LUNARLAKE_M, &model_skl),
{},
};
--
2.39.5