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added more debug output

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23155 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen 2007-12-25 14:52:49 +00:00
parent 099fb2d3be
commit 4b4e08cc67
2 changed files with 15 additions and 0 deletions
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9
src/system/kernel/arch/x86/arch_timer.c
View File

@ -25,6 +25,13 @@
#include "interrupts.h"
//#define TRACE_TIMER
#ifdef TRACE_TIMER
# define TRACE(x) dprintf x
#else
# define TRACE(x) ;
#endif
#define PIT_CLOCK_RATE 1193180
#define PIT_MAX_TIMER_INTERVAL (0xffff * 1000000ll / PIT_CLOCK_RATE)
@ -75,6 +82,7 @@ apic_timer_interrupt(void)
void
arch_timer_set_hardware_timer(bigtime_t timeout)
{
TRACE(("arch_timer_set_hardware_timer: timeout %lld\n", timeout));
// try the apic timer first
if (arch_smp_set_apic_timer(timeout) != B_OK)
set_isa_hardware_timer(timeout);
@ -84,6 +92,7 @@ arch_timer_set_hardware_timer(bigtime_t timeout)
void
arch_timer_clear_hardware_timer(void)
{
TRACE(("arch_timer_clear_hardware_timer\n"));
if (arch_smp_clear_apic_timer() != B_OK)
clear_isa_hardware_timer();
}

6
src/system/kernel/timer.c
View File

@ -93,6 +93,8 @@ restart_scan:
release_spinlock(spinlock);
TRACE(("timer_interrupt: calling hook %p for event %p\n", event->hook, event));
// call the callback
// note: if the event is not periodic, it is ok
// to delete the event structure inside the callback
@ -140,6 +142,8 @@ add_timer(timer *event, timer_hook hook, bigtime_t period, int32 flags)
if (event == NULL || hook == NULL || period < 0)
return B_BAD_VALUE;
TRACE(("add_timer: event %p\n", event));
scheduleTime = period;
if (flags != B_ONE_SHOT_ABSOLUTE_TIMER)
scheduleTime += currentTime;
@ -214,6 +218,8 @@ cancel_timer(timer *event)
int currentCPU = smp_get_current_cpu();
cpu_status state;
TRACE(("cancel_timer: event %p\n", event));
state = disable_interrupts();
// walk through all of the cpu's timer queues