| 126 | } |
| 127 | |
| 128 | int |
| 129 | perfmon_setup(int pmc, unsigned int control) |
| 130 | { |
| 131 | register_t saveintr; |
| 132 | |
| 133 | if (pmc < 0 || pmc >= NPMC) |
| 134 | return EINVAL; |
| 135 | |
| 136 | perfmon_inuse |= (1 << pmc); |
| 137 | control &= ~(PMCF_SYS_FLAGS << 16); |
| 138 | saveintr = intr_disable(); |
| 139 | ctl_shadow[pmc] = control; |
| 140 | writectl(pmc); |
| 141 | wrmsr(msr_pmc[pmc], pmc_shadow[pmc] = 0); |
| 142 | intr_restore(saveintr); |
| 143 | return 0; |
| 144 | } |
| 145 | |
| 146 | int |
| 147 | perfmon_get(int pmc, unsigned int *control) |
no test coverage detected