title: Increase initial tcp congestion window to 10.
name: tcp_init_cwnd.stp
keywords: network tcp socket
scope: system-wide
description: Run the tcp_init_cwnd.stp script in the background to override a kernel's default tcp cwnd value to 10, which has been found to improve latency for web server type workloads.  The script prints a count of cwnd value changes when it is stopped.
test_check: stap -g -p4 tcp_init_cwnd.stp
test_installcheck: stap -g tcp_init_cwnd.stp -c "sleep 0.2"