title: Show Which Processes and System Calls Return Errors Most Frequently name: errno.stp version: 1.0 author: Dominic Duval keywords: profiling subsystem: any status: production exit: user-controlled output: sorted-list scope: system-wide description: On exit the errno.stp script provides a sorted list showing which combination of PID, system call, and error occur most frequently. test_check: stap -p4 errno.stp test_installcheck: stap errno.stp -c "sleep 0.2"