Commit
6c4454f4deb14300c46c596a0ba977ab736497e8
by Pau Espin Pedrol
bpftrace: Introduce ksys_write_delay.bt
This will record latency of write() calls during ttcn3-bts-test run, where some write() call on stderr seems to be taking ~0.32 seconds, stalling the timerfd (71 times) and making osmo-bts exit.
