diff options
| -rw-r--r-- | schulung_tools/ipc_tcp/README | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/schulung_tools/ipc_tcp/README b/schulung_tools/ipc_tcp/README index 71222dd..c26ac9f 100644 --- a/schulung_tools/ipc_tcp/README +++ b/schulung_tools/ipc_tcp/README @@ -10,6 +10,9 @@ 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 \ @@ -21,5 +24,8 @@ sudo trace-cmd record \ taskset 1 chrt -f 70 ./send # type message and hit return +# stop tcpdump +sudo killall tcpdump + # view results kernelshark |