Re: itrace: An interrupts tracing tool

From: Mats Liljegren
Date: Mon Sep 22 2014 - 04:10:01 EST


On Mon, 22 Sep 2014 11:35:43 +0800
duzhiping <duzhiping.du@xxxxxxxxxx> wrote:

> Many functions depends on interrupts in Linux system, when the
> interrupts occur an error, it may cause fatal problem.
>
> Then, we should record their trace when interrupts in and out. The
> recorded information could help us analyze interrupts errors.
>
> Itrace is such an interrupts trace tool we have developed, it
> provides config interface and trace information through "procfs".
>
> Do you think it has the value to upstream?

Where can I look at the code?

What makes it different from existing tools, e.g. ftrace?

/Mats
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