Advances in Computer Engineering / 2015 / Article / Tab 4

Research Article

Linux Low-Latency Tracing for Multicore Hard Real-Time Systems

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

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