Table 4: Millions of tracepoints per second we are able to generate without any drops, in our system, with userspace and kernel tracing active, using 32 subbuffers of 1 MB for UST and 32 subbuffers of 4 MB for the kernel.

Kernel All tracepoints Syscalls only

Standard 2.0 2.4
PREEMPT_RT 2.2 2.9