title: Log Failed Process Memory Allocation Due to Overcommit Limits
name: overcommit.stp
version: 1.0
author: anonymous
keywords: memory limits
subsystem: memory
status: proposed
exit: user-controlled
output: trace
scope: system-wide
description: The overcommit.stp script prints a line each time the kernel refuses a memory allocation request from a process because of /proc/sys/vm/overcommit* limits.
test_check: stap -p4 overcommit.stp
test_installcheck: stap overcommit.stp -T 1
test_check_bpf: stap --bpf -p4 overcommit.stp
test_installcheck_bpf: stap --bpf overcommit.stp -T 1