[PATCH v2 1/2] arm64: perf: add support for Cortex-A78
From: Seiya Wang <hidden>
Date: 2021-02-03 05:55:22
Also in:
linux-arm-kernel, linux-mediatek, lkml
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
Add support for Cortex-A78 using generic PMUv3 for now. Signed-off-by: Seiya Wang <redacted> --- arch/arm64/kernel/perf_event.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 38bb07eff872..62ec2b4ea403 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c@@ -1190,6 +1190,12 @@ static int armv8_a77_pmu_init(struct arm_pmu *cpu_pmu) armv8_pmuv3_map_event); } +static int armv8_a78_pmu_init(struct arm_pmu *cpu_pmu) +{ + return armv8_pmu_init_nogroups(cpu_pmu, "armv8_cortex_a78", + armv8_pmuv3_map_event); +} + static int armv8_e1_pmu_init(struct arm_pmu *cpu_pmu) { return armv8_pmu_init_nogroups(cpu_pmu, "armv8_neoverse_e1",
@@ -1227,6 +1233,7 @@ static const struct of_device_id armv8_pmu_of_device_ids[] = { {.compatible = "arm,cortex-a75-pmu", .data = armv8_a75_pmu_init}, {.compatible = "arm,cortex-a76-pmu", .data = armv8_a76_pmu_init}, {.compatible = "arm,cortex-a77-pmu", .data = armv8_a77_pmu_init}, + {.compatible = "arm,cortex-a78-pmu", .data = armv8_a78_pmu_init}, {.compatible = "arm,neoverse-e1-pmu", .data = armv8_e1_pmu_init}, {.compatible = "arm,neoverse-n1-pmu", .data = armv8_n1_pmu_init}, {.compatible = "cavium,thunder-pmu", .data = armv8_thunder_pmu_init},
--
2.14.1