Add hooks for the Iprobe kernel profiler.

Submitted by: Andrew Gallatin <gallatin@cs.duke.edu>
This commit is contained in:
dfr 1999-01-10 12:35:39 +00:00
parent 88ae26fef6
commit 32d5c8b4c0
3 changed files with 34 additions and 3 deletions
sys/alpha

@ -1,4 +1,4 @@
/* $Id: interrupt.c,v 1.7 1998/11/18 23:51:40 dfr Exp $ */
/* $Id: interrupt.c,v 1.8 1998/11/28 09:55:15 dfr Exp $ */
/* $NetBSD: interrupt.c,v 1.23 1998/02/24 07:38:01 thorpej Exp $ */
/*
@ -59,6 +59,15 @@ struct evcnt clock_intr_evcnt; /* event counter for clock intrs. */
volatile int mc_expected, mc_received;
static void
dummy_perf(unsigned long vector, struct trapframe *framep)
{
printf("performance interrupt!\n");
}
void (*perf_irq)(unsigned long, struct trapframe *) = dummy_perf;
void
interrupt(a0, a1, a2, framep)
unsigned long a0, a1, a2;
@ -106,7 +115,7 @@ interrupt(a0, a1, a2, framep)
break;
case ALPHA_INTR_PERF: /* interprocessor interrupt */
printf("performance interrupt!\n");
perf_irq(a1, framep);
break;
case ALPHA_INTR_PASSIVE:

@ -348,3 +348,24 @@ LEAF(alpha_pal_swpctx,1)
call_pal PAL_OSF1_swpctx
RET
END(alpha_pal_swpctx)
/*
* alpha_pal_wrperfmon: Write perf monitor [PRIVILEGED]
*
* Enables / disables performance monitoring hardware
*
* Arguments:
* a0 function type
*
* a1 function parameter
*
* Returns:
* v0 0 (failure) or 1 (success)
*/
LEAF(alpha_pal_wrperfmon,2)
call_pal PAL_OSF1_wrperfmon
RET
END(alpha_pal_wrperfmon)

@ -1,4 +1,4 @@
/* $Id: alpha_cpu.h,v 1.3 1998/06/14 13:45:10 dfr Exp $ */
/* $Id: alpha_cpu.h,v 1.4 1998/12/23 11:50:50 dfr Exp $ */
/* From: NetBSD: alpha_cpu.h,v 1.15 1997/09/20 19:02:34 mjacob Exp */
/*
@ -326,5 +326,6 @@ void alpha_pal_wrusp __P((unsigned long));
void alpha_pal_wrvptptr __P((unsigned long));
void alpha_pal_wrmces __P((unsigned long));
void alpha_pal_wrval __P((unsigned long));
unsigned long alpha_pal_wrperfmon __P((unsigned long, unsigned long));
#endif /* __ALPHA_ALPHA_CPU_H__ */