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syscallerrorsbypid.meta
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title: Provide a per-process syscall error tally on the system name: syscallerrorsbypid.stp version: 1.0 author: William Cohen keywords: prometheus process syscall tracepoint subsystem: process status: experimental exit: user-controlled output: proc scope: system-wide description: The syscallerrorsbypid.stp script tallies syscall errors for each running process. This information can be useful to whether there are excessive errors for various processes on the system. The script makes the information available via procfs in Prometheus readable format. When a process exits its data will be eliminated from the prometheus output. To avoid exceeding the storage limitations of SystemTap older entries maybe overwritten by newer entries. This can lead to some active process syscall error counts disappearing and/or later reappearing with a lower value. Also note that the script does not properly name syscalls for 32-bit applications running on 64-bit machines. test_check: stap -p4 syscallerrorsbypid.stp test_installcheck: stap syscallerrorsbypid.stp -T 1