Flight recorder mode : overwrites events when subbuffers are full
\-\-subbuf-size SIZE
Subbuffer size in bytes {+k,+M,+G} (default: 4096, kernel default: 262144)
- Needs to be a power of 2 for both tracers
+ Rounded up to the next power of 2.
\-\-num-subbuf NUM
Number of subbuffers (default: 4)
- Needs to be a power of 2 for both tracers
+ Rounded up to the next power of 2.
\-\-switch-timer USEC
Switch subbuffer timer interval in µsec (default: 0)
\-\-read-timer USEC