diff options
| -rw-r--r-- | sys/pc98/cbus/clock.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sys/pc98/cbus/clock.c b/sys/pc98/cbus/clock.c index 86dc687..6e1242f 100644 --- a/sys/pc98/cbus/clock.c +++ b/sys/pc98/cbus/clock.c @@ -45,6 +45,7 @@ __FBSDID("$FreeBSD$"); #include "opt_apic.h" #include "opt_clock.h" +#include "opt_kdtrace.h" #include "opt_isa.h" #include "opt_mca.h" @@ -77,6 +78,10 @@ __FBSDID("$FreeBSD$"); #include <isa/isavar.h> #endif +#ifdef KDTRACE_HOOKS +#include <sys/dtrace_bsd.h> +#endif + #define TIMER_DIV(x) ((i8254_freq + (x) / 2) / (x)) int clkintr_pending; @@ -134,6 +139,18 @@ clkintr(struct trapframe *frame) mtx_unlock_spin(&clock_lock); } KASSERT(!using_lapic_timer, ("clk interrupt enabled with lapic timer")); + +#ifdef KDTRACE_HOOKS + /* + * If the DTrace hooks are configured and a callback function + * has been registered, then call it to process the high speed + * timers. + */ + int cpu = PCPU_GET(cpuid); + if (lapic_cyclic_clock_func[cpu] != NULL) + (*lapic_cyclic_clock_func[cpu])(frame); +#endif + hardclock(TRAPF_USERMODE(frame), TRAPF_PC(frame)); return (FILTER_HANDLED); } |
