From 026e6902b22bf8e84b1b89059c23257ee5c916b0 Mon Sep 17 00:00:00 2001 From: Mohamad Gebai Date: Tue, 8 Oct 2013 21:49:32 -0400 Subject: [PATCH] Add new tracepoint in KVM New tracepoint added in kvm: kvm_write_tsc_offset. Signed-off-by: Mohamad Gebai Signed-off-by: Mathieu Desnoyers --- .../events/lttng-module/arch/x86/kvm/trace.h | 23 +++++++++++++++++++ .../events/mainline/arch/x86/kvm/trace.h | 21 +++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/instrumentation/events/lttng-module/arch/x86/kvm/trace.h b/instrumentation/events/lttng-module/arch/x86/kvm/trace.h index 8e71a7f5..5eec1690 100644 --- a/instrumentation/events/lttng-module/arch/x86/kvm/trace.h +++ b/instrumentation/events/lttng-module/arch/x86/kvm/trace.h @@ -761,6 +761,29 @@ TRACE_EVENT( __entry->gpa_match ? "GPA" : "GVA") ) +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) +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( + tp_assign(vcpu_id, vcpu_id) + tp_assign(previous_tsc_offset, previous_tsc_offset) + tp_assign(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) +) +#endif + #ifdef CONFIG_X86_64 #define host_clocks \ diff --git a/instrumentation/events/mainline/arch/x86/kvm/trace.h b/instrumentation/events/mainline/arch/x86/kvm/trace.h index fe5e00ed..545245d7 100644 --- a/instrumentation/events/mainline/arch/x86/kvm/trace.h +++ b/instrumentation/events/mainline/arch/x86/kvm/trace.h @@ -756,6 +756,27 @@ TRACE_EVENT( __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 \ -- 2.34.1