diff options
Diffstat (limited to 'arch/x86/kvm/trace.h')
| -rw-r--r-- | arch/x86/kvm/trace.h | 104 |
1 files changed, 100 insertions, 4 deletions
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index bca63f04dcc..33574c95220 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -4,6 +4,7 @@ #include <linux/tracepoint.h> #include <asm/vmx.h> #include <asm/svm.h> +#include <asm/clocksource.h> #undef TRACE_SYSTEM #define TRACE_SYSTEM kvm @@ -90,16 +91,21 @@ TRACE_EVENT(kvm_hv_hypercall, /* * Tracepoint for PIO. */ + +#define KVM_PIO_IN 0 +#define KVM_PIO_OUT 1 + TRACE_EVENT(kvm_pio, TP_PROTO(unsigned int rw, unsigned int port, unsigned int size, - unsigned int count), - TP_ARGS(rw, port, size, count), + unsigned int count, void *data), + TP_ARGS(rw, port, size, count, data), TP_STRUCT__entry( __field( unsigned int, rw ) __field( unsigned int, port ) __field( unsigned int, size ) __field( unsigned int, count ) + __field( unsigned int, val ) ), TP_fast_assign( @@ -107,11 +113,18 @@ TRACE_EVENT(kvm_pio, __entry->port = port; __entry->size = size; __entry->count = count; + if (size == 1) + __entry->val = *(unsigned char *)data; + else if (size == 2) + __entry->val = *(unsigned short *)data; + else + __entry->val = *(unsigned int *)data; ), - TP_printk("pio_%s at 0x%x size %d count %d", + TP_printk("pio_%s at 0x%x size %d count %d val 0x%x %s", __entry->rw ? "write" : "read", - __entry->port, __entry->size, __entry->count) + __entry->port, __entry->size, __entry->count, __entry->val, + __entry->count > 1 ? "(...)" : "") ); /* @@ -754,6 +767,89 @@ TRACE_EVENT( __entry->write ? "Write" : "Read", __entry->gpa_match ? "GPA" : "GVA") ); + +TRACE_EVENT(kvm_write_tsc_offset, + TP_PROTO(unsigned int vcpu_id, __u64 previous_tsc_offset, + __u64 next_tsc_offset), + TP_ARGS(vcpu_id, previous_tsc_offset, next_tsc_offset), + + TP_STRUCT__entry( + __field( unsigned int, vcpu_id ) + __field( __u64, previous_tsc_offset ) + __field( __u64, next_tsc_offset ) + ), + + TP_fast_assign( + __entry->vcpu_id = vcpu_id; + __entry->previous_tsc_offset = previous_tsc_offset; + __entry->next_tsc_offset = next_tsc_offset; + ), + + TP_printk("vcpu=%u prev=%llu next=%llu", __entry->vcpu_id, + __entry->previous_tsc_offset, __entry->next_tsc_offset) +); + +#ifdef CONFIG_X86_64 + +#define host_clocks \ + {VCLOCK_NONE, "none"}, \ + {VCLOCK_TSC, "tsc"}, \ + {VCLOCK_HPET, "hpet"} \ + +TRACE_EVENT(kvm_update_master_clock, + TP_PROTO(bool use_master_clock, unsigned int host_clock, bool offset_matched), + TP_ARGS(use_master_clock, host_clock, offset_matched), + + TP_STRUCT__entry( + __field( bool, use_master_clock ) + __field( unsigned int, host_clock ) + __field( bool, offset_matched ) + ), + + TP_fast_assign( + __entry->use_master_clock = use_master_clock; + __entry->host_clock = host_clock; + __entry->offset_matched = offset_matched; + ), + + TP_printk("masterclock %d hostclock %s offsetmatched %u", + __entry->use_master_clock, + __print_symbolic(__entry->host_clock, host_clocks), + __entry->offset_matched) +); + +TRACE_EVENT(kvm_track_tsc, + TP_PROTO(unsigned int vcpu_id, unsigned int nr_matched, + unsigned int online_vcpus, bool use_master_clock, + unsigned int host_clock), + TP_ARGS(vcpu_id, nr_matched, online_vcpus, use_master_clock, + host_clock), + + TP_STRUCT__entry( + __field( unsigned int, vcpu_id ) + __field( unsigned int, nr_vcpus_matched_tsc ) + __field( unsigned int, online_vcpus ) + __field( bool, use_master_clock ) + __field( unsigned int, host_clock ) + ), + + TP_fast_assign( + __entry->vcpu_id = vcpu_id; + __entry->nr_vcpus_matched_tsc = nr_matched; + __entry->online_vcpus = online_vcpus; + __entry->use_master_clock = use_master_clock; + __entry->host_clock = host_clock; + ), + + TP_printk("vcpu_id %u masterclock %u offsetmatched %u nr_online %u" + " hostclock %s", + __entry->vcpu_id, __entry->use_master_clock, + __entry->nr_vcpus_matched_tsc, __entry->online_vcpus, + __print_symbolic(__entry->host_clock, host_clocks)) +); + +#endif /* CONFIG_X86_64 */ + #endif /* _TRACE_KVM_H */ #undef TRACE_INCLUDE_PATH |