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#!/bin/sh
# build programs send/recv
make
# create uprobe events
sudo perf probe -x ./send sending=send.c:37
sudo perf probe -x ./recv received=recv.c:62
# run receiver
sudo taskset 1 chrt -f 80 ./recv &
# capture traffic
sudo tcpdump -w ipc_tcp.pcap -i lo &
# run sender (wrapping with trace-cmd)
sudo trace-cmd record \
-e sched:sched_switch \
-e sched:sched_wakeup \
-e sched:sched_pi_setprio \
-e probe_send:sending \
-e probe_recv:received \
-e syscalls \
taskset 1 chrt -f 70 ./send
# type message and hit return
# stop tcpdump
sudo killall tcpdump
# view results
kernelshark
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