pmcr_el0 374 arch/arm64/kernel/perf_event.c return read_sysreg(pmcr_el0); pmcr_el0 381 arch/arm64/kernel/perf_event.c write_sysreg(val, pmcr_el0); pmcr_el0 628 arch/arm64/kvm/sys_regs.c pmcr = read_sysreg(pmcr_el0);