diff options
Diffstat (limited to 'arch/s390/kvm')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 2 | ||||
| -rw-r--r-- | arch/s390/kvm/trace-s390.h | 23 |
2 files changed, 25 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index b42493110d76..11676b81e6bf 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -4060,6 +4060,8 @@ static void kvm_gmap_notifier(struct gmap *gmap, unsigned long start, unsigned long prefix; unsigned long i; + trace_kvm_s390_gmap_notifier(start, end, gmap_is_shadow(gmap)); + if (gmap_is_shadow(gmap)) return; if (start >= 1UL << 31) diff --git a/arch/s390/kvm/trace-s390.h b/arch/s390/kvm/trace-s390.h index 6f0209d45164..9ac92dbf680d 100644 --- a/arch/s390/kvm/trace-s390.h +++ b/arch/s390/kvm/trace-s390.h @@ -333,6 +333,29 @@ TRACE_EVENT(kvm_s390_airq_suppressed, __entry->id, __entry->isc) ); +/* + * Trace point for gmap notifier calls. + */ +TRACE_EVENT(kvm_s390_gmap_notifier, + TP_PROTO(unsigned long start, unsigned long end, unsigned int shadow), + TP_ARGS(start, end, shadow), + + TP_STRUCT__entry( + __field(unsigned long, start) + __field(unsigned long, end) + __field(unsigned int, shadow) + ), + + TP_fast_assign( + __entry->start = start; + __entry->end = end; + __entry->shadow = shadow; + ), + + TP_printk("gmap notified (start:0x%lx end:0x%lx shadow:%d)", + __entry->start, __entry->end, __entry->shadow) + ); + #endif /* _TRACE_KVMS390_H */ |