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KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions
authorSuresh E. Warrier <warrier@linux.vnet.ibm.com>
Thu, 4 Dec 2014 00:48:10 +0000 (18:48 -0600)
committerAlexander Graf <agraf@suse.de>
Wed, 17 Dec 2014 12:29:27 +0000 (13:29 +0100)
commit3c78f78af95615b017be751e763e623b6252d166
tree271ab7ed516ce2dd81408379c35f0160dc0645e2tree | snapshot (tar.gz zip)
parent2711e248a352d7ecc8767b1dfa1f0c2356cb7f4bcommit | diff
KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions

This patch adds trace points in the guest entry and exit code and also
for exceptions handled by the host in kernel mode - hypercalls and page
faults. The new events are added to /sys/kernel/debug/tracing/events
under a new subsystem called kvm_hv.

Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Suresh Warrier <warrier@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
arch/powerpc/kvm/book3s_64_mmu_hv.c diff | blob | blame | history
arch/powerpc/kvm/book3s_hv.c diff | blob | blame | history
arch/powerpc/kvm/trace_book3s.h [new file with mode: 0644] blob
arch/powerpc/kvm/trace_hv.h [new file with mode: 0644] blob
arch/powerpc/kvm/trace_pr.h diff | blob | blame | history