File xen.xenalyze-hvm_emul.patch of Package xen
From: Olaf Hering <olaf@aepfle.de>
Date: Sun, 28 May 2023 20:33:21 +0000
Subject: xenalyze hvm_emul
Signed-off-by: Olaf Hering <olaf@aepfle.de>
---
tools/xentrace/xenalyze.c | 152 +++++++++
1 file changed, 152 insertions(+)
--- a/tools/xentrace/xenalyze.c
+++ b/tools/xentrace/xenalyze.c
@@ -5309,24 +5309,156 @@ void hvm_vmentry_process(struct record_info *ri, struct hvm_data *h) {
}
if(opt.dump_all) {
unsigned long long arc_cycles = ri->tsc - h->exit_tsc;
printf("]%s vmentry cycles %lld %s\n",
ri->dump_header, arc_cycles, (arc_cycles>10000)?"!":"");
}
hvm_close_vmexit(h, ri->tsc);
h->entry_tsc = ri->tsc;
}
+static void hvm_emul_process(struct record_info *ri)
+{
+ switch(ri->event) {
+ case TRC_HVM_EMUL_HPET_START_TIMER:
+ {
+ struct {
+ unsigned int tn, irq;
+ unsigned long long delta, period;
+ } *r = (typeof(r))ri->d;
+ printf(" %s hpet create [ tn = %u, irq = %u, delta = 0x%016llx, period = 0x%016llx ]\n",
+ ri->dump_header, r->tn, r->irq, r->delta, r->period);
+ break;
+ }
+ case TRC_HVM_EMUL_PIT_START_TIMER:
+ {
+ struct {
+ int delta, period;
+ } *r = (typeof(r))ri->d;
+ printf(" %s pit create [ delta = 0x%08x, period = 0x%08x ]\n",
+ ri->dump_header, r->delta, r->period);
+ break;
+ }
+ case TRC_HVM_EMUL_RTC_START_TIMER:
+ {
+ struct {
+ int delta, period;
+ } *r = (typeof(r))ri->d;
+ printf(" %s rtc create [ delta = 0x%08x, period = 0x%08x ]\n",
+ ri->dump_header, r->delta, r->period);
+ break;
+ }
+ case TRC_HVM_EMUL_LAPIC_START_TIMER:
+ {
+ struct {
+ unsigned long long delta, period;
+ unsigned int irq;
+ } *r = (typeof(r))ri->d;
+ printf(" %s vlapic create [ delta = 0x%016llx , period = 0x%016llx, irq = %u ]\n",
+ ri->dump_header, r->delta, r->period, r->irq);
+ break;
+ }
+ case TRC_HVM_EMUL_HPET_STOP_TIMER:
+ {
+ struct {
+ unsigned int tn;
+ } *r = (typeof(r))ri->d;
+ printf(" %s hpet destroy [ tn = %u ]\n", ri->dump_header, r->tn);
+ break;
+ }
+ case TRC_HVM_EMUL_PIT_STOP_TIMER:
+ printf(" %s pit destroy\n", ri->dump_header);
+ break;
+ case TRC_HVM_EMUL_RTC_STOP_TIMER:
+ printf(" %s rtc destroy\n", ri->dump_header);
+ break;
+ case TRC_HVM_EMUL_LAPIC_STOP_TIMER:
+ printf(" %s vlapic destroy\n", ri->dump_header);
+ break;
+ case TRC_HVM_EMUL_PIT_TIMER_CB:
+ printf(" %s pit callback\n", ri->dump_header);
+ break;
+ case TRC_HVM_EMUL_LAPIC_TIMER_CB:
+ printf(" %s vlapic callback\n", ri->dump_header);
+ break;
+ case TRC_HVM_EMUL_PIC_INT_OUTPUT:
+ {
+ struct {
+ unsigned int int_output, is_master, irq;
+ } *r = (typeof(r))ri->d;
+ printf(" %s vpic_update_int_output [ int_output = %u, is_master = %u, irq = %u ]\n",
+ ri->dump_header, r->int_output, r->is_master, r->irq);
+ break;
+ }
+ case TRC_HVM_EMUL_PIC_KICK:
+ {
+ struct {
+ unsigned int irq;
+ } *r = (typeof(r))ri->d;
+ printf(" %s vpic vcpu_kick [ irq = %u ]\n",
+ ri->dump_header, r->irq);
+ break;
+ }
+ case TRC_HVM_EMUL_PIC_INTACK:
+ {
+ struct {
+ unsigned int is_master, irq;
+ } *r = (typeof(r))ri->d;
+ printf(" %s __vpic_intack [ is_master = %u, irq = %u ]\n",
+ ri->dump_header, r->is_master, r->irq);
+ break;
+ }
+ case TRC_HVM_EMUL_PIC_POSEDGE:
+ {
+ struct {
+ unsigned int irq;
+ } *r = (typeof(r))ri->d;
+ printf(" %s vpic_irq_positive_edge [ irq = %u ]\n",
+ ri->dump_header, r->irq);
+ break;
+ }
+ case TRC_HVM_EMUL_PIC_NEGEDGE:
+ {
+ struct {
+ unsigned int irq;
+ } *r = (typeof(r))ri->d;
+ printf(" %s vpic_irq_negative_edge [ irq = %u ]\n",
+ ri->dump_header, r->irq);
+ break;
+ }
+ case TRC_HVM_EMUL_PIC_PEND_IRQ_CALL:
+ {
+ struct {
+ unsigned int accept_pic_intr, int_output;
+ } *r = (typeof(r))ri->d;
+ printf(" %s vpic_ack_pending_irq [ accept_pic_intr = %u, int_output = %u ]\n",
+ ri->dump_header, r->accept_pic_intr, r->int_output);
+ break;
+ }
+ case TRC_HVM_EMUL_LAPIC_PIC_INTR:
+ {
+ struct {
+ unsigned int i8259_target, accept_pic_int;
+ } *r = (typeof(r))ri->d;
+ printf(" %s vlapic_accept_pic_intr [ i8259_target = %u, accept_pic_int = %u ]\n",
+ ri->dump_header, r->i8259_target, r->accept_pic_int);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
void hvm_process(struct pcpu_info *p)
{
struct record_info *ri = &p->ri;
struct vcpu_data *v = p->current;
struct hvm_data *h = &v->hvm;
assert(p->current);
/* HVM_EMUL types show up in all contexts */
if(ri->evt.sub != 0x4) {
if(vcpu_set_data_type(p->current, VCPU_DATA_HVM))
return;
@@ -5346,24 +5478,44 @@ void hvm_process(struct pcpu_info *p)
switch(ri->event) {
case TRC_HVM_VMX_EXIT:
case TRC_HVM_VMX_EXIT64:
case TRC_HVM_SVM_EXIT:
case TRC_HVM_SVM_EXIT64:
UPDATE_VOLUME(p, hvm[HVM_VOL_VMEXIT], ri->size);
hvm_vmexit_process(ri, h, v);
break;
case TRC_HVM_VMENTRY:
UPDATE_VOLUME(p, hvm[HVM_VOL_VMENTRY], ri->size);
hvm_vmentry_process(ri, &p->current->hvm);
break;
+ case TRC_HVM_EMUL_HPET_START_TIMER:
+ case TRC_HVM_EMUL_PIT_START_TIMER:
+ case TRC_HVM_EMUL_RTC_START_TIMER:
+ case TRC_HVM_EMUL_LAPIC_START_TIMER:
+ case TRC_HVM_EMUL_HPET_STOP_TIMER:
+ case TRC_HVM_EMUL_PIT_STOP_TIMER:
+ case TRC_HVM_EMUL_RTC_STOP_TIMER:
+ case TRC_HVM_EMUL_LAPIC_STOP_TIMER:
+ case TRC_HVM_EMUL_PIT_TIMER_CB:
+ case TRC_HVM_EMUL_LAPIC_TIMER_CB:
+ case TRC_HVM_EMUL_PIC_INT_OUTPUT:
+ case TRC_HVM_EMUL_PIC_KICK:
+ case TRC_HVM_EMUL_PIC_INTACK:
+ case TRC_HVM_EMUL_PIC_POSEDGE:
+ case TRC_HVM_EMUL_PIC_NEGEDGE:
+ case TRC_HVM_EMUL_PIC_PEND_IRQ_CALL:
+ case TRC_HVM_EMUL_LAPIC_PIC_INTR:
+ if(opt.dump_all)
+ hvm_emul_process(ri);
+ break;
default:
fprintf(warn, "Unknown hvm event: %x\n", ri->event);
}
}
}
void hvm_summary(struct hvm_data *h) {
int i;
if(!h->summary_info)
return;
