On Thu, 2015-07-16 at 21:18 +0530, Hemant Kumar wrote: > To analyze the exit events with perf, we need kvm_perf.h to be added in > the arch/powerpc directory, where the kvm tracepoints needed to trace > the KVM exit events are defined. > > This patch adds "kvm_perf_book3s.h" to indicate that the tracepoints are > book3s specific. Generic "kvm_perf.h" then can just include > "kvm_perf_book3s.h". > > Signed-off-by: Hemant Kumar <hem...@linux.vnet.ibm.com> > --- > Changes: > - Not exporting the exit reasons compared to previous patchset (suggested > by Paul) > > arch/powerpc/include/uapi/asm/kvm_perf.h | 6 ++++++ > arch/powerpc/include/uapi/asm/kvm_perf_book3s.h | 14 ++++++++++++++ > 2 files changed, 20 insertions(+) > create mode 100644 arch/powerpc/include/uapi/asm/kvm_perf.h > create mode 100644 arch/powerpc/include/uapi/asm/kvm_perf_book3s.h > > diff --git a/arch/powerpc/include/uapi/asm/kvm_perf.h > b/arch/powerpc/include/uapi/asm/kvm_perf.h > new file mode 100644 > index 0000000..5ed2ff3 > --- /dev/null > +++ b/arch/powerpc/include/uapi/asm/kvm_perf.h > @@ -0,0 +1,6 @@ > +#ifndef _ASM_POWERPC_KVM_PERF_H > +#define _ASM_POWERPC_KVM_PERF_H > + > +#include <asm/kvm_perf_book3s.h> > + > +#endif > diff --git a/arch/powerpc/include/uapi/asm/kvm_perf_book3s.h > b/arch/powerpc/include/uapi/asm/kvm_perf_book3s.h > new file mode 100644 > index 0000000..8c8d8c2 > --- /dev/null > +++ b/arch/powerpc/include/uapi/asm/kvm_perf_book3s.h > @@ -0,0 +1,14 @@ > +#ifndef _ASM_POWERPC_KVM_PERF_BOOK3S_H > +#define _ASM_POWERPC_KVM_PERF_BOOK3S_H > + > +#include <asm/kvm.h> > + > +#define DECODE_STR_LEN 20 > + > +#define VCPU_ID "vcpu_id" > + > +#define KVM_ENTRY_TRACE "kvm_hv:kvm_guest_enter" > +#define KVM_EXIT_TRACE "kvm_hv:kvm_guest_exit" > +#define KVM_EXIT_REASON "trap" > + > +#endif /* _ASM_POWERPC_KVM_PERF_BOOK3S_H */
Again, why is book3s stuff being presented via uapi as generic <asm/kvm_perf.h> with generic symbol names? -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
