On 08/26/2011 10:06 PM, Blue Swirl wrote:
Let guests inject tracepoint data via fw_cfg device.
At least on x86, fw_cfg is pretty slow, involving multiple exits. IMO, for kvm, even one exit per tracepoint is too high. We need to use a shared memory transport with a way to order guest/host events later on (by using a clock).
-- error compiling committee.c: too many arguments to function
