svm exit reasons use different code than vmx; use the new "isa" trace field
to select the instruction set and display the strings accordingly.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
plugin_kvm.c | 114 ++++++++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 107 insertions(+), 7 deletions(-)
diff --git a/plugin_kvm.c b/plugin_kvm.c
index 724143d..c8e8b8c 100644
--- a/plugin_kvm.c
+++ b/plugin_kvm.c
@@ -120,6 +120,80 @@ static const char *disassemble(unsigned char *insn, int len, uint64_t rip,
_ER(EPT_MISCONFIG, 49) \
_ER(WBINVD, 54)
+#define SVM_EXIT_REASONS \
+ _ER(EXIT_READ_CR0, 0x000) \
+ _ER(EXIT_READ_CR3, 0x003) \
+ _ER(EXIT_READ_CR4, 0x004) \
+ _ER(EXIT_READ_CR8, 0x008) \
+ _ER(EXIT_WRITE_CR0, 0x010) \
+ _ER(EXIT_WRITE_CR3, 0x013) \
+ _ER(EXIT_WRITE_CR4, 0x014) \
+ _ER(EXIT_WRITE_CR8, 0x018) \
+ _ER(EXIT_READ_DR0, 0x020) \
+ _ER(EXIT_READ_DR1, 0x021) \
+ _ER(EXIT_READ_DR2, 0x022) \
+ _ER(EXIT_READ_DR3, 0x023) \
+ _ER(EXIT_READ_DR4, 0x024) \
+ _ER(EXIT_READ_DR5, 0x025) \
+ _ER(EXIT_READ_DR6, 0x026) \
+ _ER(EXIT_READ_DR7, 0x027) \
+ _ER(EXIT_WRITE_DR0, 0x030) \
+ _ER(EXIT_WRITE_DR1, 0x031) \
+ _ER(EXIT_WRITE_DR2, 0x032) \
+ _ER(EXIT_WRITE_DR3, 0x033) \
+ _ER(EXIT_WRITE_DR4, 0x034) \
+ _ER(EXIT_WRITE_DR5, 0x035) \
+ _ER(EXIT_WRITE_DR6, 0x036) \
+ _ER(EXIT_WRITE_DR7, 0x037) \
+ _ER(EXIT_EXCP_BASE, 0x040) \
+ _ER(EXIT_INTR, 0x060) \
+ _ER(EXIT_NMI, 0x061) \
+ _ER(EXIT_SMI, 0x062) \
+ _ER(EXIT_INIT, 0x063) \
+ _ER(EXIT_VINTR, 0x064) \
+ _ER(EXIT_CR0_SEL_WRITE, 0x065) \
+ _ER(EXIT_IDTR_READ, 0x066) \
+ _ER(EXIT_GDTR_READ, 0x067) \
+ _ER(EXIT_LDTR_READ, 0x068) \
+ _ER(EXIT_TR_READ, 0x069) \
+ _ER(EXIT_IDTR_WRITE, 0x06a) \
+ _ER(EXIT_GDTR_WRITE, 0x06b) \
+ _ER(EXIT_LDTR_WRITE, 0x06c) \
+ _ER(EXIT_TR_WRITE, 0x06d) \
+ _ER(EXIT_RDTSC, 0x06e) \
+ _ER(EXIT_RDPMC, 0x06f) \
+ _ER(EXIT_PUSHF, 0x070) \
+ _ER(EXIT_POPF, 0x071) \
+ _ER(EXIT_CPUID, 0x072) \
+ _ER(EXIT_RSM, 0x073) \
+ _ER(EXIT_IRET, 0x074) \
+ _ER(EXIT_SWINT, 0x075) \
+ _ER(EXIT_INVD, 0x076) \
+ _ER(EXIT_PAUSE, 0x077) \
+ _ER(EXIT_HLT, 0x078) \
+ _ER(EXIT_INVLPG, 0x079) \
+ _ER(EXIT_INVLPGA, 0x07a) \
+ _ER(EXIT_IOIO, 0x07b) \
+ _ER(EXIT_MSR, 0x07c) \
+ _ER(EXIT_TASK_SWITCH, 0x07d) \
+ _ER(EXIT_FERR_FREEZE, 0x07e) \
+ _ER(EXIT_SHUTDOWN, 0x07f) \
+ _ER(EXIT_VMRUN, 0x080) \
+ _ER(EXIT_VMMCALL, 0x081) \
+ _ER(EXIT_VMLOAD, 0x082) \
+ _ER(EXIT_VMSAVE, 0x083) \
+ _ER(EXIT_STGI, 0x084) \
+ _ER(EXIT_CLGI, 0x085) \
+ _ER(EXIT_SKINIT, 0x086) \
+ _ER(EXIT_RDTSCP, 0x087) \
+ _ER(EXIT_ICEBP, 0x088) \
+ _ER(EXIT_WBINVD, 0x089) \
+ _ER(EXIT_MONITOR, 0x08a) \
+ _ER(EXIT_MWAIT, 0x08b) \
+ _ER(EXIT_MWAIT_COND, 0x08c) \
+ _ER(EXIT_NPF, 0x400) \
+ _ER(EXIT_ERR, -1)
+
#define _ER(reason, val) { #reason, val },
struct str_values {
const char *str;
@@ -131,27 +205,53 @@ static struct str_values vmx_exit_reasons[] = {
{ NULL, -1}
};
-static const char *find_vmx_reason(int val)
+static struct str_values svm_exit_reasons[] = {
+ SVM_EXIT_REASONS
+ { NULL, -1}
+};
+
+static struct isa_exit_reasons {
+ unsigned isa;
+ struct str_values *strings;
+} isa_exit_reasons[] = {
+ { .isa = 1, .strings = vmx_exit_reasons },
+ { .isa = 2, .strings = svm_exit_reasons },
+ { }
+};
+
+static const char *find_exit_reason(unsigned isa, int val)
{
+ struct str_values *strings = NULL;
int i;
- for (i = 0; vmx_exit_reasons[i].val >= 0; i++)
- if (vmx_exit_reasons[i].val == val)
+ for (i = 0; isa_exit_reasons[i].strings; ++i)
+ if (isa_exit_reasons[i].isa == isa) {
+ strings = isa_exit_reasons[i].strings;
break;
- if (vmx_exit_reasons[i].str)
- return vmx_exit_reasons[i].str;
+ }
+ if (!strings)
+ return "UNKNOWN-ISA";
+ for (i = 0; strings[i].val >= 0; i++)
+ if (strings[i].val == val)
+ break;
+ if (strings[i].str)
+ return strings[i].str;
return "UNKOWN";
}
static int kvm_exit_handler(struct trace_seq *s, struct record *record,
struct event_format *event, void *context)
{
+ unsigned long long isa;
unsigned long long val;
if (pevent_get_field_val(s, event, "exit_reason", record, &val, 1) < 0)
return -1;
- trace_seq_printf(s, "reason %s", find_vmx_reason(val));
+ if (pevent_get_field_val(s, event, "isa", record, &isa, 1) < 0)
+ isa = 1;
+
+ trace_seq_printf(s, "reason %s", find_exit_reason(isa, val));
pevent_print_num_field(s, " rip 0x%lx", event, "guest_rip", record, 1);
@@ -213,7 +313,7 @@ static int kvm_nested_vmexit_inject_handler(struct trace_seq *s, struct record *
if (pevent_get_field_val(s, event, "exit_code", record, &val, 1) < 0)
return -1;
- trace_seq_printf(s, "reason %s", find_vmx_reason(val));
+ trace_seq_printf(s, "reason %s", find_exit_reason(2, val));
pevent_print_num_field(s, " ext_inf1: %0x016llx", event, "exit_info1", record, 1);
pevent_print_num_field(s, " ext_inf2: %0x016llx", event, "exit_info2", record, 1);
--
1.7.1
--
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