Reading debug/tracing info

[Vladimir Murzin]

On 8/20/11, Prateek Sharma <prateek3.14 at gmail.com> wrote:
> Hello all,
>     I am learning how to add static trace points via trace_events.
> I am seeing the trace using 'cat /sys/kernel/debug/tracing/trace' .
> Naturally the tracing buffer size is limited. My question is, what is the
> recommended way of reading trace data?
> Ive looked at perf record/report, but so far, i have only managed to get
> aggregated statistics, or complete dumps.
> What i need is just  a way to collect all the trace output to one file.
> Basically i am using the trace events as  a souped up printk (since i need
> to collect large amounts of traces).
> Do i need to use LTTng/viewer or something for this task?
>
> Thanks!
>
Hi Prateek!

Have a look at trace-cmd utility [1]. Hope you.find it useful

[1] http://lwn.net/Articles/410200/