title: Monitor Changes in Processor Executing a Task name: chng_cpu.stp version: 1.0 author: Ankita Garg at IBM keywords: scheduler subsystem: scheduler status: production exit: user-controlled output: trace scope: pid description: The chng_cpu.stp script takes an argument which is the executable name of the task it should monitor. Each time a task with that executable name is found running on a different processor, the script prints out the thread id (tid), the executable name, the processor now running the task, the thread state, and a backtrace showing the kernel functions that triggered the running of the task on the processor. arg_1: The name of the executable to monitor test_check: stap -p4 chng_cpu.stp bash test_installcheck: stap chng_cpu.stp -c "sleep 0.2" bash