Re: [Qemu-devel] [PATCH v2 0/2] New trace backend: ftrace

2013-04-12 Thread Stefan Hajnoczi
On Thu, Apr 11, 2013 at 08:25:14PM +0900, Eiichi Tsukata wrote: > This patchset introduces a new tracing backend "ftrace". > > Currently, QEMU tracing backends do not support userspace tracing with ftrace. > Collecting QEMU trace data and kernel trace data simultaneouly is useful for > latency ana

[Qemu-devel] [PATCH v2 0/2] New trace backend: ftrace

2013-04-11 Thread Eiichi Tsukata
This patchset introduces a new tracing backend "ftrace". Currently, QEMU tracing backends do not support userspace tracing with ftrace. Collecting QEMU trace data and kernel trace data simultaneouly is useful for latency analysis and debugging especially when using KVM. With ftrace backend, you c