> -----Original Message----- > From: kvm-owner@xxxxxxxxxxxxxxx > [mailto:kvm-owner@xxxxxxxxxxxxxxx] On Behalf Of Zhang, Yanmin > Sent: Monday, April 19, 2010 1:33 PM > To: Avi Kivity > Cc: Ingo Molnar; Peter Zijlstra; Avi Kivity; Sheng Yang; > linux-kernel@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; Marcelo > Tosatti; oerg Roedel; Jes Sorensen; Gleb Natapov; Zachary > Amsden; zhiteng.huang@xxxxxxxxx; tim.c.chen@xxxxxxxxx; > Arnaldo Carvalho de Melo > Subject: [PATCH V5 1/3] perf & kvm: Enhance perf to collect > KVM guest os statistics from host side > > Below patch introduces perf_guest_info_callbacks and related > register/unregister > functions. Add more PERF_RECORD_MISC_XXX bits meaning guest > kernel and guest user > space. > > Signed-off-by: Zhang Yanmin <yanmin_zhang@xxxxxxxxxxxxxxx> > > --- > diff -Nraup --exclude-from=exclude.diff > linux-2.6_tip0417/include/linux/perf_event.h > linux-2.6_tip0417_perfkvm/include/linux/perf_event.h > --- linux-2.6_tip0417/include/linux/perf_event.h > 2010-04-19 09:51:59.544791000 +0800 > +++ linux-2.6_tip0417_perfkvm/include/linux/perf_event.h > 2010-04-19 09:53:59.691378953 +0800 > @@ -932,6 +940,12 @@ static inline void perf_event_mmap(struc > __perf_event_mmap(vma); > } > > +extern struct perf_guest_info_callbacks *perf_guest_cbs; > +extern int perf_register_guest_info_callbacks( > + struct perf_guest_info_callbacks *); > +extern int perf_unregister_guest_info_callbacks( > + struct perf_guest_info_callbacks *); > + > extern void perf_event_comm(struct task_struct *tsk); > extern void perf_event_fork(struct task_struct *tsk); > > @@ -1001,6 +1015,11 @@ perf_sw_event(u32 event_id, u64 nr, int > static inline void > perf_bp_event(struct perf_event *event, void *data) > { } > > +static inline int perf_register_guest_info_callbacks > +(struct perf_guest_info_callbacks *) {return 0; } > +static inline int perf_unregister_guest_info_callbacks > +(struct perf_guest_info_callbacks *) {return 0; } > + > static inline void perf_event_mmap(struct vm_area_struct > *vma) { } > static inline void perf_event_comm(struct task_struct *tsk) > { } > static inline void perf_event_fork(struct task_struct *tsk) > { } Hi, I met this error when built kernel. Anything wrong? CC init/main.o In file included from include/linux/ftrace_event.h:8, from include/trace/syscall.h:6, from include/linux/syscalls.h:75, from init/main.c:16: include/linux/perf_event.h: In function 'perf_register_guest_info_callbacks': include/linux/perf_event.h:1019: error: parameter name omitted include/linux/perf_event.h: In function 'perf_unregister_guest_info_callbacks': include/linux/perf_event.h:1021: error: parameter name omitted make[1]: *** [init/main.o] Error 1 make: *** [init] Error 2 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
