KVM: Add trace points in irqchip code
Add tracepoint in msi/ioapic/pic set_irq() functions,
in IPI sending and in the point where IRQ is placed into
apic's IRR.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index 77022af..dbe1084 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -28,6 +28,62 @@
__entry->gsi, __entry->level, __entry->irq_source_id)
);
+#define kvm_deliver_mode \
+ {0x0, "Fixed"}, \
+ {0x1, "LowPrio"}, \
+ {0x2, "SMI"}, \
+ {0x3, "Res3"}, \
+ {0x4, "NMI"}, \
+ {0x5, "INIT"}, \
+ {0x6, "SIPI"}, \
+ {0x7, "ExtINT"}
+
+TRACE_EVENT(kvm_ioapic_set_irq,
+ TP_PROTO(__u64 e, int pin, bool coalesced),
+ TP_ARGS(e, pin, coalesced),
+
+ TP_STRUCT__entry(
+ __field( __u64, e )
+ __field( int, pin )
+ __field( bool, coalesced )
+ ),
+
+ TP_fast_assign(
+ __entry->e = e;
+ __entry->pin = pin;
+ __entry->coalesced = coalesced;
+ ),
+
+ TP_printk("pin %u dst %x vec=%u (%s|%s|%s%s)%s",
+ __entry->pin, (u8)(__entry->e >> 56), (u8)__entry->e,
+ __print_symbolic((__entry->e >> 8 & 0x7), kvm_deliver_mode),
+ (__entry->e & (1<<11)) ? "logical" : "physical",
+ (__entry->e & (1<<15)) ? "level" : "edge",
+ (__entry->e & (1<<16)) ? "|masked" : "",
+ __entry->coalesced ? " (coalesced)" : "")
+);
+
+TRACE_EVENT(kvm_msi_set_irq,
+ TP_PROTO(__u64 address, __u64 data),
+ TP_ARGS(address, data),
+
+ TP_STRUCT__entry(
+ __field( __u64, address )
+ __field( __u64, data )
+ ),
+
+ TP_fast_assign(
+ __entry->address = address;
+ __entry->data = data;
+ ),
+
+ TP_printk("dst %u vec %x (%s|%s|%s%s)",
+ (u8)(__entry->address >> 12), (u8)__entry->data,
+ __print_symbolic((__entry->data >> 8 & 0x7), kvm_deliver_mode),
+ (__entry->address & (1<<2)) ? "logical" : "physical",
+ (__entry->data & (1<<15)) ? "level" : "edge",
+ (__entry->address & (1<<3)) ? "|rh" : "")
+);
#define kvm_irqchips \
{KVM_IRQCHIP_PIC_MASTER, "PIC master"}, \