haraldwolff/qemu-patch-raspberry4
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

i8259: use DEBUG_IRQ_COUNT always

Browse source 
It's not really scary to even enable it forever.  After all it's i8259,
and it's even not the kernel one.

Then we can remove quite a few of lines to make it cleaner.  And "info
irq" will always work for it.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171210063819.14892-3-peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Xu 2017-12-10 14:38:16 +08:00 committed by Paolo Bonzini
parent 0880a87300
commit f260f7361c
1 changed files with 1 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
hw/intc/i8259.c
View file

@ -36,7 +36,6 @@
//#define DEBUG_PIC
//#define DEBUG_IRQ_LATENCY
//#define DEBUG_IRQ_COUNT
#define TYPE_I8259 "isa-i8259"
#define PIC_CLASS(class) OBJECT_CLASS_CHECK(PICClass, (class), TYPE_I8259)
@ -52,12 +51,8 @@ typedef struct PICClass {
DeviceRealize parent_realize;
} PICClass;
#if defined(DEBUG_PIC) || defined(DEBUG_IRQ_COUNT)
static int irq_level[16];
#endif
#ifdef DEBUG_IRQ_COUNT
static uint64_t irq_count[16];
#endif
#ifdef DEBUG_IRQ_LATENCY
static int64_t irq_time[16];
#endif
@ -128,24 +123,17 @@ static void pic_set_irq(void *opaque, int irq, int level)
{
PICCommonState *s = opaque;
int mask = 1 << irq;
#if defined(DEBUG_PIC) || defined(DEBUG_IRQ_COUNT) || \
defined(DEBUG_IRQ_LATENCY)
int irq_index = s->master ? irq : irq + 8;
#endif
trace_pic_set_irq(s->master, irq, level);
#if defined(DEBUG_PIC) || defined(DEBUG_IRQ_COUNT)
if (level != irq_level[irq_index]) {
irq_level[irq_index] = level;
#ifdef DEBUG_IRQ_COUNT
if (level == 1) {
irq_count[irq_index]++;
}
#endif
}
#endif
#ifdef DEBUG_IRQ_LATENCY
if (level) {
irq_time[irq_index] = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
@ -253,12 +241,8 @@ static bool pic_get_statistics(InterruptStatsProvider *obj,
PICCommonState *s = PIC_COMMON(obj);
if (s->master) {
#ifdef DEBUG_IRQ_COUNT
*irq_counts = irq_count;
*nb_irqs = ARRAY_SIZE(irq_count);
#else
return false;
#endif
} else {
*irq_counts = NULL;
*nb_irqs = 0;