From 2cbd78244fb26a06f2b8fb006b32f133451df413 Mon Sep 17 00:00:00 2001 From: Wanpeng Li Date: Thu, 3 Sep 2015 22:07:39 +0800 Subject: KVM: trace kvm_halt_poll_ns grow/shrink Tracepoint for dynamic halt_pool_ns, fired on every potential change. Signed-off-by: Wanpeng Li Signed-off-by: Paolo Bonzini --- include/trace/events/kvm.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'include/trace') diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h index a44062da684b..0d1bc478833b 100644 --- a/include/trace/events/kvm.h +++ b/include/trace/events/kvm.h @@ -356,6 +356,36 @@ TRACE_EVENT( __entry->address) ); +TRACE_EVENT(kvm_halt_poll_ns, + TP_PROTO(bool grow, unsigned int vcpu_id, int new, int old), + TP_ARGS(grow, vcpu_id, new, old), + + TP_STRUCT__entry( + __field(bool, grow) + __field(unsigned int, vcpu_id) + __field(int, new) + __field(int, old) + ), + + TP_fast_assign( + __entry->grow = grow; + __entry->vcpu_id = vcpu_id; + __entry->new = new; + __entry->old = old; + ), + + TP_printk("vcpu %u: halt_poll_ns %d (%s %d)", + __entry->vcpu_id, + __entry->new, + __entry->grow ? "grow" : "shrink", + __entry->old) +); + +#define trace_kvm_halt_poll_ns_grow(vcpu_id, new, old) \ + trace_kvm_halt_poll_ns(true, vcpu_id, new, old) +#define trace_kvm_halt_poll_ns_shrink(vcpu_id, new, old) \ + trace_kvm_halt_poll_ns(false, vcpu_id, new, old) + #endif #endif /* _TRACE_KVM_MAIN_H */ -- cgit v1.2.3 From 3dfe6a507353f3253c8136734d94bfdb459fa04d Mon Sep 17 00:00:00 2001 From: Wanpeng Li Date: Tue, 8 Sep 2015 11:14:13 +0200 Subject: kvm: move new trace event outside #ifdef CONFIG_KVM_ASYNC_PF Fixes compilation with ppc64_defconfig. Reported-by: Stephen Rothwell Signed-off-by: Wanpeng Li Signed-off-by: Paolo Bonzini --- include/trace/events/kvm.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include/trace') diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h index 0d1bc478833b..d6f83222a6a1 100644 --- a/include/trace/events/kvm.h +++ b/include/trace/events/kvm.h @@ -356,6 +356,8 @@ TRACE_EVENT( __entry->address) ); +#endif + TRACE_EVENT(kvm_halt_poll_ns, TP_PROTO(bool grow, unsigned int vcpu_id, int new, int old), TP_ARGS(grow, vcpu_id, new, old), @@ -386,8 +388,6 @@ TRACE_EVENT(kvm_halt_poll_ns, #define trace_kvm_halt_poll_ns_shrink(vcpu_id, new, old) \ trace_kvm_halt_poll_ns(false, vcpu_id, new, old) -#endif - #endif /* _TRACE_KVM_MAIN_H */ /* This part must be outside protection */ -- cgit v1.2.3