| 227 | } |
| 228 | |
| 229 | int |
| 230 | perfmon_reset(int pmc) |
| 231 | { |
| 232 | if (pmc < 0 || pmc >= NPMC) |
| 233 | return EINVAL; |
| 234 | |
| 235 | if (perfmon_inuse & (1 << pmc)) { |
| 236 | wrmsr(msr_pmc[pmc], pmc_shadow[pmc] = 0); |
| 237 | return 0; |
| 238 | } |
| 239 | return EBUSY; |
| 240 | } |
| 241 | |
| 242 | #ifndef SMP |
| 243 | /* |
no test coverage detected