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title: Track Start and Stop of Processes Due to Network Buffer Space
name: sk_stream_wait_memory.stp
version: 1.0
author: Fabio Olive Leite at Red Hat
keywords: network tcp process bpf
subsystem: network
status: production
exit: user-controlled
output: trace
scope: system-wide
description: The sk_stream-wait_memory.stp prints a time stamp, executable, and pid each time a process blocks due to the send buffer being full. A similar entry is printed each time a process continues because there is room in the buffer.
test_check: stap -p4 sk_stream_wait_memory.stp
test_installcheck: stap sk_stream_wait_memory.stp -T 1
test_check_bpf: stap --bpf -p4 sk_stream_wait_memory.stp
test_installcheck_bpf: stap --bpf sk_stream_wait_memory.stp -T 1
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