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authorPeter Maydell <peter.maydell@linaro.org>2016-05-17 14:07:25 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-05-17 14:07:25 +0100
commit5a3fd960f39c17cef5ffa8703652bea3828bbe48 (patch)
tree41dd4f59f41782fb9a7f1afe9bfa05bb5060c3da
parent3f5e34a45c78086b73ec4e1a0268ec26169fee80 (diff)
parent2531088f6c1ce1f620f8d5a545f0af95598e69fc (diff)
Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
# gpg: Signature made Tue 17 May 2016 14:06:54 BST using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/tracing-pull-request: hw/intc/arm_gic: add tracepoints Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/intc/arm_gic.c12
-rw-r--r--trace-events8
2 files changed, 20 insertions, 0 deletions
diff --git a/hw/intc/arm_gic.c b/hw/intc/arm_gic.c
index f55124174d..5ee79b83e6 100644
--- a/hw/intc/arm_gic.c
+++ b/hw/intc/arm_gic.c
@@ -23,6 +23,7 @@
#include "gic_internal.h"
#include "qapi/error.h"
#include "qom/cpu.h"
+#include "trace.h"
//#define DEBUG_GIC
@@ -93,6 +94,11 @@ void gic_update(GICState *s)
}
}
+ if (best_irq != 1023) {
+ trace_gic_update_bestirq(cpu, best_irq, best_prio,
+ s->priority_mask[cpu], s->running_priority[cpu]);
+ }
+
irq_level = fiq_level = 0;
if (best_prio < s->priority_mask[cpu]) {
@@ -106,10 +112,12 @@ void gic_update(GICState *s)
DPRINTF("Raised pending FIQ %d (cpu %d)\n",
best_irq, cpu);
fiq_level = 1;
+ trace_gic_update_set_irq(cpu, "fiq", fiq_level);
} else {
DPRINTF("Raised pending IRQ %d (cpu %d)\n",
best_irq, cpu);
irq_level = 1;
+ trace_gic_update_set_irq(cpu, "irq", irq_level);
}
}
}
@@ -197,6 +205,7 @@ static void gic_set_irq(void *opaque, int irq, int level)
} else {
gic_set_irq_generic(s, irq, level, cm, target);
}
+ trace_gic_set_irq(irq, level, cm, target);
gic_update(s);
}
@@ -332,6 +341,7 @@ uint32_t gic_acknowledge_irq(GICState *s, int cpu, MemTxAttrs attrs)
* is in the wrong group.
*/
irq = gic_get_current_pending_irq(s, cpu, attrs);
+ trace_gic_acknowledge_irq(cpu, irq);
if (irq >= GIC_MAXIRQ) {
DPRINTF("ACK, no pending interrupt or it is hidden: %d\n", irq);
@@ -853,6 +863,7 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
if (!GIC_TEST_ENABLED(irq + i, cm)) {
DPRINTF("Enabled IRQ %d\n", irq + i);
+ trace_gic_enable_irq(irq + i);
}
GIC_SET_ENABLED(irq + i, cm);
/* If a raised level triggered IRQ enabled then mark
@@ -879,6 +890,7 @@ static void gic_dist_writeb(void *opaque, hwaddr offset,
if (GIC_TEST_ENABLED(irq + i, cm)) {
DPRINTF("Disabled IRQ %d\n", irq + i);
+ trace_gic_disable_irq(irq + i);
}
GIC_CLEAR_ENABLED(irq + i, cm);
}
diff --git a/trace-events b/trace-events
index 4fce005afd..e35b80e980 100644
--- a/trace-events
+++ b/trace-events
@@ -1908,3 +1908,11 @@ aspeed_vic_update_fiq(int flags) "Raising FIQ: %d"
aspeed_vic_update_irq(int flags) "Raising IRQ: %d"
aspeed_vic_read(uint64_t offset, unsigned size, uint32_t value) "From 0x%" PRIx64 " of size %u: 0x%" PRIx32
aspeed_vic_write(uint64_t offset, unsigned size, uint32_t data) "To 0x%" PRIx64 " of size %u: 0x%" PRIx32
+
+# hw/intc/arm_gic.c
+gic_enable_irq(int irq) "irq %d enabled"
+gic_disable_irq(int irq) "irq %d disabled"
+gic_set_irq(int irq, int level, int cpumask, int target) "irq %d level %d cpumask 0x%x target 0x%x"
+gic_update_bestirq(int cpu, int irq, int prio, int priority_mask, int running_priority) "cpu %d irq %d priority %d cpu priority mask %d cpu running priority %d"
+gic_update_set_irq(int cpu, const char *name, int level) "cpu[%d]: %s = %d"
+gic_acknowledge_irq(int cpu, int irq) "cpu %d acknowledged irq %d"