Hi Mohamad, Since this tracepoint was not present in previous kernel versions, I think you should use ifdefs to enable the tracepoint only for the versions that have it. Grep for LINUX_VERSION_CODE in the other files.
Simon On 3 October 2013 00:11, Mohamad Gebai <[email protected]> wrote: > New tracepoint added in kvm: kvm_write_tsc_offset. > > Signed-off-by: Mohamad Gebai <[email protected]> > --- > .../events/lttng-module/arch/x86/kvm/trace.h | 21 > ++++++++++++++++++++ > .../events/mainline/arch/x86/kvm/trace.h | 21 > ++++++++++++++++++++ > 2 files changed, 42 insertions(+) > > diff --git a/instrumentation/events/lttng-module/arch/x86/kvm/trace.h > b/instrumentation/events/lttng-module/arch/x86/kvm/trace.h > index 8e71a7f..0823a9d 100644 > --- a/instrumentation/events/lttng-module/arch/x86/kvm/trace.h > +++ b/instrumentation/events/lttng-module/arch/x86/kvm/trace.h > @@ -761,6 +761,27 @@ 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( > + 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) > +) > + > #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 fe5e00e..545245d 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 \ > -- > 1.7.10.4 > > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
