October 2007
Intermediate to advanced
58 pages
59m
English
book
Troubleshooting Ruby Processes: Leveraging System Tools when the Usual Ruby Tricks Stop Working
by Philippe Hanrigou
Content preview from Troubleshooting Ruby Processes: Leveraging System Tools when the Usual Ruby Tricks Stop Working
Section #4.
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Section #4. strace
What Is It?
strace is a tool that traces all system calls and signals.6 This refers to all data flow (inputs and outputs) across the user/kernel boundary. If this sounds like Greek to you, think of strace as a spy that tells you everything your process asks your operating system to do and what the operating system triggers in your process. As soon as you start playing with strace, you realize that your process is interacting with the OS much more than you think.
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