xentrace: add TRC_HVM_EMUL

This add a set of trace events that track the setup of various
emulated devices related to timers in domU.

This set is hpet, pit (i8253, i8254), rtc (MC146818), apic (lapic),
and pic (i8259).  The pmtimer is not traced since it does not have a
changeable rate.

Signed-off-by: Don Slutz <dslutz@verizon.com>
Reviewed-by: Tim Deegan <tim@xen.org>
Acked-by: George Dunlap <george.dunlap@eu.citrix.com>

diff --git a/tools/xentrace/formats b/tools/xentrace/formats
index 67fd42d8079eb99958b6ef8218b2c6c04cf4d709..da658bf68c63393dcd47d2c75cba70ebc7709db8 100644 (file)
--- a/tools/xentrace/formats
+++ b/tools/xentrace/formats
@@ -152,3 +152,21 @@
 0x00802006  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  assign_vector [ irq = %(1)d = vector 0x%(2)x, CPU mask: 0x%(3)08x ]
 0x00802007  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  bogus_vector [ 0x%(1)x ]
 0x00802008  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  do_irq [ irq = %(1)d, began = %(2)dus, ended = %(3)dus ]
+
+0x00084001  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  hpet create [ tn = %(1)d, irq = %(2)d, delta = 0x%(4)08x%(3)08x, period = 0x%(6)08x%(5)08x ]
+0x00084002  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  pit create [ delta = 0x%(1)016x, period = 0x%(2)016x ]
+0x00084003  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  rtc create [ delta = 0x%(1)016x , period = 0x%(2)016x ]
+0x00084004  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vlapic create [ delta = 0x%(2)08x%(1)08x , period = 0x%(4)08x%(3)08x, irq = %(5)d ]
+0x00084005  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  hpet destroy [ tn = %(1)d ]
+0x00084006  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  pit destroy  [ ]
+0x00084007  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  rtc destroy [ ]
+0x00084008  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vlapic destroy [ ]
+0x00084009  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  pit callback [ ]
+0x0008400a  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vlapic callback [ ]
+0x0008400b  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vpic_update_int_output [ int_output = %(1)d, is_master = %(2)d, irq = %(3)d ]
+0x0008400c  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vpic vcpu_kick [ irq = %(1)d ]
+0x0008400d  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  __vpic_intack [ is_master = %(1)d, irq = %(2)d ]
+0x0008400e  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vpic_irq_positive_edge [ irq = %(1)d ]
+0x0008400f  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vpic_irq_negative_edge [ irq = %(1)d ]
+0x00084010  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vpic_ack_pending_irq [ accept_pic_intr = %(1)d, int_output = %(2)d ]
+0x00084011  CPU%(cpu)d  %(tsc)d (+%(reltsc)8d)  vlapic_accept_pic_intr [ i8259_target = %(1)d, accept_pic_int = %(2)d ]

diff --git a/xen/arch/x86/hvm/hpet.c b/xen/arch/x86/hvm/hpet.c
index e1e769a02f54debfb850a27b600444a7cf06d3c3..42c93f3b5dda87a309bc4f2d1d89f727a584cc0c 100644 (file)
--- a/xen/arch/x86/hvm/hpet.c
+++ b/xen/arch/x86/hvm/hpet.c
@@ -20,10 +20,12 @@
 #include <asm/hvm/vpt.h>
 #include <asm/hvm/io.h>
 #include <asm/hvm/support.h>
+#include <asm/hvm/trace.h>
 #include <asm/current.h>
 #include <asm/hpet.h>
 #include <xen/sched.h>
 #include <xen/event.h>
+#include <xen/trace.h>
 
 #define domain_vhpet(x) (&(x)->arch.hvm_domain.pl_time.vhpet)
 #define vcpu_vhpet(x)   (domain_vhpet((x)->domain))
@@ -191,6 +193,7 @@ static void hpet_stop_timer(HPETState *h, unsigned int tn)
 {
     ASSERT(tn < HPET_TIMER_NUM);
     ASSERT(spin_is_locked(&h->lock));
+    TRACE_1D(TRC_HVM_EMUL_HPET_STOP_TIMER, tn);
     destroy_periodic_time(&h->pt[tn]);
     /* read the comparator to get it updated so a read while stopped will
      * return the expected value. */
@@ -255,6 +258,10 @@ static void hpet_set_timer(HPETState *h, unsigned int tn)
      * being enabled (now).
      */
     oneshot = !timer_is_periodic(h, tn);
+    TRACE_2_LONG_4D(TRC_HVM_EMUL_HPET_START_TIMER, tn, irq,
+                    TRC_PAR_LONG(hpet_tick_to_ns(h, diff)),
+                    TRC_PAR_LONG(oneshot ? 0LL :
+                                 hpet_tick_to_ns(h, h->hpet.period[tn])));
     create_periodic_time(vhpet_vcpu(h), &h->pt[tn],
                          hpet_tick_to_ns(h, diff),
                          oneshot ? 0 : hpet_tick_to_ns(h, h->hpet.period[tn]),

diff --git a/xen/arch/x86/hvm/i8254.c b/xen/arch/x86/hvm/i8254.c
index 6e66b49eadf1e043b27abc4d4682ec3eb1d020d7..c4f752734f087cede37e3b13ee82fe551a359629 100644 (file)
--- a/xen/arch/x86/hvm/i8254.c
+++ b/xen/arch/x86/hvm/i8254.c
@@ -31,6 +31,7 @@
 #include <xen/lib.h>
 #include <xen/errno.h>
 #include <xen/sched.h>
+#include <xen/trace.h>
 #include <asm/time.h>
 #include <asm/hvm/hvm.h>
 #include <asm/hvm/io.h>
@@ -159,6 +160,7 @@ static int pit_get_gate(PITState *pit, int channel)
 static void pit_time_fired(struct vcpu *v, void *priv)
 {
     uint64_t *count_load_time = priv;
+    TRACE_0D(TRC_HVM_EMUL_PIT_TIMER_CB);
     *count_load_time = get_guest_time(v);
 }
 
@@ -188,16 +190,19 @@ static void pit_load_count(PITState *pit, int channel, int val)
     case 2:
     case 3:
         /* Periodic timer. */
+        TRACE_2D(TRC_HVM_EMUL_PIT_START_TIMER, period, period);
         create_periodic_time(v, &pit->pt0, period, period, 0, pit_time_fired, 
                              &pit->count_load_time[channel]);
         break;
     case 1:
     case 4:
         /* One-shot timer. */
+        TRACE_2D(TRC_HVM_EMUL_PIT_START_TIMER, period, 0);
         create_periodic_time(v, &pit->pt0, period, 0, 0, pit_time_fired,
                              &pit->count_load_time[channel]);
         break;
     default:
+        TRACE_0D(TRC_HVM_EMUL_PIT_STOP_TIMER);
         destroy_periodic_time(&pit->pt0);
         break;
     }
@@ -377,6 +382,7 @@ static uint32_t pit_ioport_read(struct PITState *pit, uint32_t addr)
 
 void pit_stop_channel0_irq(PITState *pit)
 {
+    TRACE_0D(TRC_HVM_EMUL_PIT_STOP_TIMER);
     spin_lock(&pit->lock);
     destroy_periodic_time(&pit->pt0);
     spin_unlock(&pit->lock);
@@ -431,6 +437,7 @@ void pit_reset(struct domain *d)
     struct hvm_hw_pit_channel *s;
     int i;
 
+    TRACE_0D(TRC_HVM_EMUL_PIT_STOP_TIMER);
     destroy_periodic_time(&pit->pt0);
     pit->pt0.source = PTSRC_isa;
 
@@ -465,6 +472,8 @@ void pit_init(struct domain *d, unsigned long cpu_khz)
 void pit_deinit(struct domain *d)
 {
     PITState *pit = domain_vpit(d);
+
+    TRACE_0D(TRC_HVM_EMUL_PIT_STOP_TIMER);
     destroy_periodic_time(&pit->pt0);
 }
 

diff --git a/xen/arch/x86/hvm/rtc.c b/xen/arch/x86/hvm/rtc.c
index 7cd0cf453ffe0f051dd7202856b94a593e95b192..3fab660a7d26a0967d473ed5103f8562c44c2da6 100644 (file)
--- a/xen/arch/x86/hvm/rtc.c
+++ b/xen/arch/x86/hvm/rtc.c
@@ -27,6 +27,7 @@
 #include <asm/hvm/io.h>
 #include <asm/hvm/support.h>
 #include <asm/current.h>
+#include <xen/trace.h>
 
 #define USEC_PER_SEC    1000000UL
 #define NS_PER_USEC     1000UL
@@ -91,6 +92,7 @@ static void rtc_pf_callback(struct vcpu *v, void *opaque)
          && ++(s->pt_dead_ticks) >= 10 )
     {
         /* VM is ignoring its RTC; no point in running the timer */
+        TRACE_0D(TRC_HVM_EMUL_RTC_STOP_TIMER);
         destroy_periodic_time(&s->pt);
         s->period = 0;
     }
@@ -152,8 +154,11 @@ static void rtc_timer_update(RTCState *s)
                 else
                     delta = period - ((now - s->start_time) % period);
                 if ( s->hw.cmos_data[RTC_REG_B] & RTC_PIE )
+                {
+                    TRACE_2D(TRC_HVM_EMUL_RTC_START_TIMER, delta, period);
                     create_periodic_time(v, &s->pt, delta, period,
                                          RTC_IRQ, rtc_pf_callback, s);
+                }
                 else
                     s->check_ticks_since = now;
             }
@@ -161,6 +166,7 @@ static void rtc_timer_update(RTCState *s)
         }
         /* fall through */
     default:
+        TRACE_0D(TRC_HVM_EMUL_RTC_STOP_TIMER);
         destroy_periodic_time(&s->pt);
         s->period = 0;
         break;
@@ -513,6 +519,7 @@ static int rtc_ioport_write(void *opaque, uint32_t addr, uint32_t data)
         rtc_update_irq(s);
         if ( (data ^ orig) & RTC_PIE )
         {
+            TRACE_0D(TRC_HVM_EMUL_RTC_STOP_TIMER);
             destroy_periodic_time(&s->pt);
             s->period = 0;
             rtc_timer_update(s);
@@ -772,6 +779,7 @@ void rtc_reset(struct domain *d)
 {
     RTCState *s = domain_vrtc(d);
 
+    TRACE_0D(TRC_HVM_EMUL_RTC_STOP_TIMER);
     destroy_periodic_time(&s->pt);
     s->period = 0;
     s->pt.source = PTSRC_isa;
@@ -813,6 +821,7 @@ void rtc_deinit(struct domain *d)
 
     spin_barrier(&s->lock);
 
+    TRACE_0D(TRC_HVM_EMUL_RTC_STOP_TIMER);
     destroy_periodic_time(&s->pt);
     kill_timer(&s->update_timer);
     kill_timer(&s->update_timer2);

diff --git a/xen/arch/x86/hvm/vlapic.c b/xen/arch/x86/hvm/vlapic.c
index fc307c0fc5f6320e549e555494475baf60bc8620..cd7e87241d603d8a14b5212219b4eedad5abcb01 100644 (file)
--- a/xen/arch/x86/hvm/vlapic.c
+++ b/xen/arch/x86/hvm/vlapic.c
@@ -611,6 +611,7 @@ int hvm_x2apic_msr_read(struct vcpu *v, unsigned int msr, uint64_t *msr_content)
 
 static void vlapic_pt_cb(struct vcpu *v, void *data)
 {
+    TRACE_0D(TRC_HVM_EMUL_LAPIC_TIMER_CB);
     *(s_time_t *)data = hvm_get_guest_time(v);
 }
 
@@ -712,6 +713,7 @@ static int vlapic_reg_write(struct vcpu *v,
         if ( (vlapic_get_reg(vlapic, offset) & APIC_TIMER_MODE_MASK) !=
              (val & APIC_TIMER_MODE_MASK) )
         {
+            TRACE_0D(TRC_HVM_EMUL_LAPIC_STOP_TIMER);
             destroy_periodic_time(&vlapic->pt);
             vlapic_set_reg(vlapic, APIC_TMICT, 0);
             vlapic_set_reg(vlapic, APIC_TMCCT, 0);
@@ -746,12 +748,16 @@ static int vlapic_reg_write(struct vcpu *v,
         vlapic_set_reg(vlapic, APIC_TMICT, val);
         if ( val == 0 )
         {
+            TRACE_0D(TRC_HVM_EMUL_LAPIC_STOP_TIMER);
             destroy_periodic_time(&vlapic->pt);
             break;
         }
 
         period = ((uint64_t)APIC_BUS_CYCLE_NS *
                   (uint32_t)val * vlapic->hw.timer_divisor);
+        TRACE_2_LONG_3D(TRC_HVM_EMUL_LAPIC_START_TIMER, TRC_PAR_LONG(period),
+                 TRC_PAR_LONG(vlapic_lvtt_period(vlapic) ? period : 0LL),
+                 vlapic->pt.irq);
         create_periodic_time(current, &vlapic->pt, period, 
                              vlapic_lvtt_period(vlapic) ? period : 0,
                              vlapic->pt.irq,
@@ -950,6 +956,8 @@ void vlapic_tdt_msr_set(struct vlapic *vlapic, uint64_t value)
 
         vlapic->hw.tdt_msr = value;
         /* .... reprogram tdt timer */
+        TRACE_2_LONG_3D(TRC_HVM_EMUL_LAPIC_START_TIMER, TRC_PAR_LONG(delta),
+                        TRC_PAR_LONG(0LL), vlapic->pt.irq);
         create_periodic_time(v, &vlapic->pt, delta, 0,
                              vlapic->pt.irq, vlapic_tdt_pt_cb,
                              &vlapic->timer_last_update);
@@ -962,6 +970,8 @@ void vlapic_tdt_msr_set(struct vlapic *vlapic, uint64_t value)
         /* trigger a timer event if needed */
         if ( value > 0 )
         {
+            TRACE_2_LONG_3D(TRC_HVM_EMUL_LAPIC_START_TIMER, TRC_PAR_LONG(0LL),
+                            TRC_PAR_LONG(0LL), vlapic->pt.irq);
             create_periodic_time(v, &vlapic->pt, 0, 0,
                                  vlapic->pt.irq, vlapic_tdt_pt_cb,
                                  &vlapic->timer_last_update);
@@ -970,6 +980,7 @@ void vlapic_tdt_msr_set(struct vlapic *vlapic, uint64_t value)
         else
         {
             /* .... stop tdt timer */
+            TRACE_0D(TRC_HVM_EMUL_LAPIC_STOP_TIMER);
             destroy_periodic_time(&vlapic->pt);
         }
 
@@ -1003,6 +1014,10 @@ static int __vlapic_accept_pic_intr(struct vcpu *v)
 
 int vlapic_accept_pic_intr(struct vcpu *v)
 {
+    TRACE_2D(TRC_HVM_EMUL_LAPIC_PIC_INTR,
+             (v == v->domain->arch.hvm_domain.i8259_target),
+             v ? __vlapic_accept_pic_intr(v) : -1);
+
     return ((v == v->domain->arch.hvm_domain.i8259_target) &&
             __vlapic_accept_pic_intr(v));
 }
@@ -1106,6 +1121,7 @@ void vlapic_reset(struct vlapic *vlapic)
     vlapic_set_reg(vlapic, APIC_SPIV, 0xff);
     vlapic->hw.disabled |= VLAPIC_SW_DISABLED;
 
+    TRACE_0D(TRC_HVM_EMUL_LAPIC_STOP_TIMER);
     destroy_periodic_time(&vlapic->pt);
 }
 
@@ -1129,6 +1145,8 @@ static void lapic_rearm(struct vlapic *s)
 
     period = ((uint64_t)APIC_BUS_CYCLE_NS *
               (uint32_t)tmict * s->hw.timer_divisor);
+    TRACE_2_LONG_3D(TRC_HVM_EMUL_LAPIC_START_TIMER, TRC_PAR_LONG(period),
+             TRC_PAR_LONG(vlapic_lvtt_period(s) ? period : 0LL), s->pt.irq);
     create_periodic_time(vlapic_vcpu(s), &s->pt, period,
                          vlapic_lvtt_period(s) ? period : 0,
                          s->pt.irq,
@@ -1275,6 +1293,7 @@ void vlapic_destroy(struct vcpu *v)
     struct vlapic *vlapic = vcpu_vlapic(v);
 
     tasklet_kill(&vlapic->init_sipi.tasklet);
+    TRACE_0D(TRC_HVM_EMUL_LAPIC_STOP_TIMER);
     destroy_periodic_time(&vlapic->pt);
     unmap_domain_page_global(vlapic->regs);
     free_domheap_page(vlapic->regs_page);

diff --git a/xen/arch/x86/hvm/vpic.c b/xen/arch/x86/hvm/vpic.c
index 5ca513cd3c2f326ad6d781be18c4a14920e98d9b..2c6e6e5f3fb42e93fffae672627755d76f53462e 100644 (file)
--- a/xen/arch/x86/hvm/vpic.c
+++ b/xen/arch/x86/hvm/vpic.c
@@ -30,6 +30,7 @@
 #include <xen/lib.h>
 #include <xen/errno.h>
 #include <xen/sched.h>
+#include <xen/trace.h>
 #include <asm/hvm/hvm.h>
 #include <asm/hvm/io.h>
 #include <asm/hvm/support.h>
@@ -99,6 +100,8 @@ static void vpic_update_int_output(struct hvm_hw_vpic *vpic)
     ASSERT(vpic_is_locked(vpic));
 
     irq = vpic_get_highest_priority_irq(vpic);
+    TRACE_3D(TRC_HVM_EMUL_PIC_INT_OUTPUT, vpic->int_output, vpic->is_master,
+             irq);
     if ( vpic->int_output == (irq >= 0) )
         return;
 
@@ -112,7 +115,10 @@ static void vpic_update_int_output(struct hvm_hw_vpic *vpic)
             /* Master INT line is connected in Virtual Wire Mode. */
             struct vcpu *v = vpic_domain(vpic)->arch.hvm_domain.i8259_target;
             if ( v != NULL )
+            {
+                TRACE_1D(TRC_HVM_EMUL_PIC_KICK, irq);
                 vcpu_kick(v);
+            }
         }
         else
         {
@@ -135,6 +141,7 @@ static void __vpic_intack(struct hvm_hw_vpic *vpic, int irq)
 
     ASSERT(vpic_is_locked(vpic));
 
+    TRACE_2D(TRC_HVM_EMUL_PIC_INTACK, vpic->is_master, irq);
     /* Edge-triggered: clear the IRR (forget the edge). */
     if ( !(vpic->elcr & mask) )
         vpic->irr &= ~mask;
@@ -434,6 +441,7 @@ void vpic_irq_positive_edge(struct domain *d, int irq)
     ASSERT(irq <= 15);
     ASSERT(vpic_is_locked(vpic));
 
+    TRACE_1D(TRC_HVM_EMUL_PIC_POSEDGE, irq);
     if ( irq == 2 )
         return;
 
@@ -450,6 +458,7 @@ void vpic_irq_negative_edge(struct domain *d, int irq)
     ASSERT(irq <= 15);
     ASSERT(vpic_is_locked(vpic));
 
+    TRACE_1D(TRC_HVM_EMUL_PIC_NEGEDGE, irq);
     if ( irq == 2 )
         return;
 
@@ -463,6 +472,8 @@ int vpic_ack_pending_irq(struct vcpu *v)
     int irq, vector;
     struct hvm_hw_vpic *vpic = &v->domain->arch.hvm_domain.vpic[0];
 
+    TRACE_2D(TRC_HVM_EMUL_PIC_PEND_IRQ_CALL, vlapic_accept_pic_intr(v),
+             vpic->int_output);
     if ( !vlapic_accept_pic_intr(v) || !vpic->int_output )
         return -1;
 

diff --git a/xen/include/asm-x86/hvm/trace.h b/xen/include/asm-x86/hvm/trace.h
index 9d7e00b6d33a5781973aef487120b42f5bd71741..de802a677185e968a55c2977419911d7eafb9b71 100644 (file)
--- a/xen/include/asm-x86/hvm/trace.h
+++ b/xen/include/asm-x86/hvm/trace.h
@@ -58,6 +58,13 @@
 
 #define TRC_PAR_LONG(par) ((par)&0xFFFFFFFF),((par)>>32)
 
+#define TRACE_2_LONG_2D(_e, d1, d2, ...) \
+    TRACE_4D(_e, d1, d2)
+#define TRACE_2_LONG_3D(_e, d1, d2, d3, ...) \
+    TRACE_5D(_e, d1, d2, d3)
+#define TRACE_2_LONG_4D(_e, d1, d2, d3, d4, ...) \
+    TRACE_6D(_e, d1, d2, d3, d4)
+
 #define HVMTRACE_ND(evt, modifier, cycles, count, d1, d2, d3, d4, d5, d6) \
     do {                                                                  \
         if ( unlikely(tb_init_done) && DO_TRC_HVM_ ## evt )               \

diff --git a/xen/include/public/trace.h b/xen/include/public/trace.h
index e2f60a6324c87924c2262d1bb35e42009073e3c0..cfcf4aa5ce27ccb5d8e90a3303cb27dd3cf74eef 100644 (file)
--- a/xen/include/public/trace.h
+++ b/xen/include/public/trace.h
@@ -50,8 +50,9 @@
 #define TRC_SUBCLS_SHIFT 12
 
 /* trace subclasses for SVM */
-#define TRC_HVM_ENTRYEXIT 0x00081000   /* VMENTRY and #VMEXIT       */
-#define TRC_HVM_HANDLER   0x00082000   /* various HVM handlers      */
+#define TRC_HVM_ENTRYEXIT   0x00081000   /* VMENTRY and #VMEXIT       */
+#define TRC_HVM_HANDLER     0x00082000   /* various HVM handlers      */
+#define TRC_HVM_EMUL        0x00084000   /* emulated devices */
 
 #define TRC_SCHED_MIN       0x00021000   /* Just runstate changes */
 #define TRC_SCHED_CLASS     0x00022000   /* Scheduler-specific    */
@@ -229,6 +230,25 @@
 #define TRC_HVM_IOPORT_WRITE    (TRC_HVM_HANDLER + 0x216)
 #define TRC_HVM_IOMEM_WRITE     (TRC_HVM_HANDLER + 0x217)
 
+/* Trace events for emulated devices */
+#define TRC_HVM_EMUL_HPET_START_TIMER  (TRC_HVM_EMUL + 0x1)
+#define TRC_HVM_EMUL_PIT_START_TIMER   (TRC_HVM_EMUL + 0x2)
+#define TRC_HVM_EMUL_RTC_START_TIMER   (TRC_HVM_EMUL + 0x3)
+#define TRC_HVM_EMUL_LAPIC_START_TIMER (TRC_HVM_EMUL + 0x4)
+#define TRC_HVM_EMUL_HPET_STOP_TIMER   (TRC_HVM_EMUL + 0x5)
+#define TRC_HVM_EMUL_PIT_STOP_TIMER    (TRC_HVM_EMUL + 0x6)
+#define TRC_HVM_EMUL_RTC_STOP_TIMER    (TRC_HVM_EMUL + 0x7)
+#define TRC_HVM_EMUL_LAPIC_STOP_TIMER  (TRC_HVM_EMUL + 0x8)
+#define TRC_HVM_EMUL_PIT_TIMER_CB      (TRC_HVM_EMUL + 0x9)
+#define TRC_HVM_EMUL_LAPIC_TIMER_CB    (TRC_HVM_EMUL + 0xA)
+#define TRC_HVM_EMUL_PIC_INT_OUTPUT    (TRC_HVM_EMUL + 0xB)
+#define TRC_HVM_EMUL_PIC_KICK          (TRC_HVM_EMUL + 0xC)
+#define TRC_HVM_EMUL_PIC_INTACK        (TRC_HVM_EMUL + 0xD)
+#define TRC_HVM_EMUL_PIC_POSEDGE       (TRC_HVM_EMUL + 0xE)
+#define TRC_HVM_EMUL_PIC_NEGEDGE       (TRC_HVM_EMUL + 0xF)
+#define TRC_HVM_EMUL_PIC_PEND_IRQ_CALL (TRC_HVM_EMUL + 0x10)
+#define TRC_HVM_EMUL_LAPIC_PIC_INTR    (TRC_HVM_EMUL + 0x11)
+
 /* trace events for per class */
 #define TRC_PM_FREQ_CHANGE      (TRC_HW_PM + 0x01)
 #define TRC_PM_IDLE_ENTRY       (TRC_HW_PM + 0x02)