diff options
Diffstat (limited to 'sys/kern/kern_pmc.c')
| -rw-r--r-- | sys/kern/kern_pmc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/kern/kern_pmc.c b/sys/kern/kern_pmc.c index ee0f8ec..43059cc 100644 --- a/sys/kern/kern_pmc.c +++ b/sys/kern/kern_pmc.c @@ -37,7 +37,14 @@ int (*pmc_hook)(struct thread *td, int function, void *arg) = NULL; /* Interrupt handler */ int (*pmc_intr)(int cpu, uintptr_t pc, int usermode) = NULL; -cpumask_t pmc_cpumask; +volatile cpumask_t pmc_cpumask; + +/* + * A global count of SS mode PMCs. When non-zero, this means that + * we have processes that are sampling the system as a whole. + */ + +volatile int pmc_ss_count; /* * Since PMC(4) may not be loaded in the current kernel, the |
