/usr/share/systemtap/examples/profiling/
/usr/share/systemtap/examples/profiling
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Edit: /usr/share/systemtap/examples/profiling/sched_switch.meta (780B)
title: Display the Task Switches Happening in the Scheduler name: sched_switch.stp version: 1.0 author: kiran keywords: profiling function subsystem: scheduler status: production exit: user-controlled output: trace scope: system-wide description: The sched_switch.stp script takes two arguments, first argument can be "pid" or "name" to indicate what is being passed as second argument. The script will trace the process based on pid/name and print the scheduler switches happening with the process. If no arguments are passed, it displays all the scheduler switches. This can be used to understand which tasks schedule out the current process being traced, and when it gets scheduled in again. test_check: stap -p4 sched_switch.stp test_installcheck: stap sched_switch.stp -T 1