How to setup a Systemtap "flight recorder" (tracing) with QEMU-KVM in RHEL6.6
You can capture QEMU trace data all the time using a systemtap initscript provided in the qemu-kvm package. This uses SystemTap's flight recorder mode to trace all running guests to a fixed-size buffer on the host. Old trace entries are overwritten by new entries when the buffer size wraps.
The steps to get it configured and running are explained below:
- Install the system...
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.