CSR_SCOUNTEREN
vcpu->arch.host_scounteren = csr_swap(CSR_SCOUNTEREN, csr->scounteren);
csr->scounteren = csr_swap(CSR_SCOUNTEREN, vcpu->arch.host_scounteren);
csr_write(CSR_SCOUNTEREN, 0x7);
csr_write(CSR_SCOUNTEREN, 0x2);
csr_write(CSR_SCOUNTEREN, 0x0);
csr_write(CSR_SCOUNTEREN, 0x7);
csr_write(CSR_SCOUNTEREN, 0x2);
csr_write(CSR_SCOUNTEREN,
csr_read(CSR_SCOUNTEREN) | BIT(pmu_sbi_csr_index(event)));
csr_write(CSR_SCOUNTEREN,
csr_read(CSR_SCOUNTEREN) & ~BIT(pmu_sbi_csr_index(event)));