Re: [PATCH 1/7] ftrace, PPC: do not latency trace idle

Paul Mackerras
2008-11-17T05:07:36Z

Steven Rostedt writes:

> When idle is called, interrupts are disabled, but the idle function
> will still wake up on an interrupt. The problem is that the interrupt
> disabled latency tracer will take this call to idle as a latency.
>
> This patch disables the latency tracing when going into idle.

Patch looks OK, but what is the connection with ftrace?

Paul.