Re: Enabling ftrace on ARM MMU-less system

2014-09-30 Thread Steven Rostedt
On Tue, 30 Sep 2014 16:26:49 +0530 Amit Virdi wrote: > Hi, > > I'm trying to enable Ftrace on my ARM based MMU-less system. > Unexpectedly, I don't see tracing directory under /sys/kernel/debug > I have done the following so far but no success: > 1. Verified that I have enabled these flags in my

Re: Enabling ftrace on ARM MMU-less system

2014-09-30 Thread Amit Virdi
On Tue, Sep 30, 2014 at 4:26 PM, Amit Virdi wrote: > I'm trying to enable Ftrace on my ARM based MMU-less system. > Unexpectedly, I don't see tracing directory under /sys/kernel/debug I forgot to mention that I'm using read-only filesystem (cramfs). -- To unsubscribe from this list: send the line

Enabling ftrace on ARM MMU-less system

2014-09-30 Thread Amit Virdi
Hi, I'm trying to enable Ftrace on my ARM based MMU-less system. Unexpectedly, I don't see tracing directory under /sys/kernel/debug I have done the following so far but no success: 1. Verified that I have enabled these flags in my .config CONFIG_FUNCTION_TRACER CONFIG_FUNCTION_GRAPH_TRACE