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>

1 files changed, 56 insertions, 0 deletions

diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index 77022af48492..dbe108455275 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -28,6 +28,62 @@ TRACE_EVENT(kvm_set_irq,
                   __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"},          \