Re: [kvm-devel] [PATCH RFC 0/4]Porting Xentrace to kvm

2008-03-17 Thread Liu, Eric E
[EMAIL PROTECTED] wrote: Avi Kivity wrote: Jan Kiszka wrote: Avi Kivity wrote: Liu, Eric E wrote: Since we already have had debugfs_entries and some other kernel debug mechanism to use, does this kvmtrace make sense? Any comment is welcomed. This looks very useful. While kvm_stat

Re: [kvm-devel] [PATCH RFC 0/4]Porting Xentrace to kvm

2008-03-16 Thread Avi Kivity
Liu, Eric E wrote: Hi, The following patches port xentrace to kvm which is useful for performance tuning and debugging. It is designed to allow debugging traces of kvm to be generated on Up/Smp machines. Each trace entry is outputted in a trace ring buffer for per cpu which is mapped to

Re: [kvm-devel] [PATCH RFC 0/4]Porting Xentrace to kvm

2008-03-16 Thread Jan Kiszka
Avi Kivity wrote: Liu, Eric E wrote: Hi, The following patches port xentrace to kvm which is useful for performance tuning and debugging. It is designed to allow debugging traces of kvm to be generated on Up/Smp machines. Each trace entry is outputted in a trace ring buffer for per cpu

Re: [kvm-devel] [PATCH RFC 0/4]Porting Xentrace to kvm

2008-03-16 Thread Avi Kivity
Jan Kiszka wrote: Avi Kivity wrote: Liu, Eric E wrote: Hi, The following patches port xentrace to kvm which is useful for performance tuning and debugging. It is designed to allow debugging traces of kvm to be generated on Up/Smp machines. Each trace entry is outputted in a trace

Re: [kvm-devel] [PATCH RFC 0/4]Porting Xentrace to kvm

2008-03-16 Thread Jan Kiszka
Avi Kivity wrote: Jan Kiszka wrote: Avi Kivity wrote: Liu, Eric E wrote: Hi, The following patches port xentrace to kvm which is useful for performance tuning and debugging. It is designed to allow debugging traces of kvm to be generated on Up/Smp machines. Each trace entry is

[kvm-devel] [PATCH RFC 0/4]Porting Xentrace to kvm

2008-03-13 Thread Liu, Eric E
Hi, The following patches port xentrace to kvm which is useful for performance tuning and debugging. It is designed to allow debugging traces of kvm to be generated on Up/Smp machines. Each trace entry is outputted in a trace ring buffer for per cpu which is mapped to userspace, and the userspace