Il 29/03/2013 05:24, Kazuya Saito ha scritto: > This series adds tracepoints for helping us clarify the cause of > troubles. Virtualization on Linux is composed of some components such > as qemu, kvm, libvirt, and so on. So it is very important to clarify > firstly and swiftly the cause of troubles is on what component of > them. Although qemu has useful information of this because it stands > among kvm, libvirt and guest, it doesn't output the information by > trace or log system. > These patches add tracepoints which lead to reduce the time of the > clarification. We'd like to add the tracepoints as the first set > because, based on our experience, we've found out they must be useful > for an investigation in the future. Without those tracepoints, > we had a really hard time investigating a problem since the problem's > reproducibility was quite low and there was no clue in the dump of > qemu. > > Changes from v1: > Add arg to kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl tracepoints. > Add cpu_index to kvm_vcpu_ioctl, kvm_run_exit tracepoints. > > Kazuya Saito (2): > kvm-all: add kvm_ioctl, kvm_vm_ioctl, kvm_vcpu_ioctl tracepoints > kvm-all: add kvm_run_exit tracepoint > > kvm-all.c | 5 +++++ > trace-events | 7 +++++++ > 2 files changed, 12 insertions(+), 0 deletions(-) Series: Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> Paolo -- 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