[PATCH 2/3] arm64: perf: Support Denver and Carmel PMUs
From: Thierry Reding <hidden>
Date: 2021-12-07 15:08:05
Also in:
linux-arm-kernel, linux-tegra
Subsystem:
arm pmu profiling and debugging, arm64 port (aarch64 architecture), performance events subsystem, the rest · Maintainers:
Will Deacon, Mark Rutland, Catalin Marinas, Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
From: Thierry Reding <redacted> Add support for the NVIDIA Denver and Carmel PMUs using the generic PMUv3 event map for now. Signed-off-by: Thierry Reding <redacted> --- arch/arm64/kernel/perf_event.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index b4044469527e..8c8cf369c450 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c@@ -1247,6 +1247,18 @@ static int armv8_vulcan_pmu_init(struct arm_pmu *cpu_pmu) armv8_vulcan_map_event); } +static int armv8_denver_pmu_init(struct arm_pmu *cpu_pmu) +{ + return armv8_pmu_init_nogroups(cpu_pmu, "armv8_nvidia_denver", + armv8_pmuv3_map_event); +} + +static int armv8_carmel_pmu_init(struct arm_pmu *cpu_pmu) +{ + return armv8_pmu_init_nogroups(cpu_pmu, "armv8_nvidia_carmel", + armv8_pmuv3_map_event); +} + static const struct of_device_id armv8_pmu_of_device_ids[] = { {.compatible = "arm,armv8-pmuv3", .data = armv8_pmuv3_init}, {.compatible = "arm,cortex-a34-pmu", .data = armv8_a34_pmu_init},
@@ -1265,6 +1277,8 @@ static const struct of_device_id armv8_pmu_of_device_ids[] = { {.compatible = "arm,neoverse-n1-pmu", .data = armv8_n1_pmu_init}, {.compatible = "cavium,thunder-pmu", .data = armv8_thunder_pmu_init}, {.compatible = "brcm,vulcan-pmu", .data = armv8_vulcan_pmu_init}, + {.compatible = "nvidia,denver-pmu", .data = armv8_denver_pmu_init}, + {.compatible = "nvidia,carmel-pmu", .data = armv8_carmel_pmu_init}, {}, };
--
2.33.1