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Current Path : /proc/1603417/root/usr/share/systemtap/examples/process/
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Current File : //proc/1603417/root/usr/share/systemtap/examples/process/sleepingBeauties.meta

title: Generate Backtraces of Threads Waiting for IO Operations
name: sleepingBeauties.stp
version: 1.0
author: anonymous
keywords: io scheduler backtrace
subsystem: scheduler
status: proposed
exit: user-controlled
output: trace
scope: system-wide
description: The script monitors the time that threads spend in waiting for IO operations (in "D" state) in the wait_for_completion function.  If a thread spends over 10ms, its name and backtrace is printed, and later so is the total delay.
test_check: stap -p4 sleepingBeauties.stp
test_installcheck: stap sleepingBeauties.stp -T 1

Sindbad File Manager Version 1.0, Coded By Sindbad EG ~ The Terrorists