Re: [PATCH 4/4] usb: dwc3: add tracepoints to aid debugging

2014-09-08 Thread Pratyush Anand
On Mon, Sep 08, 2014 at 09:35:33PM +0800, Felipe Balbi wrote: > Hi, > > On Mon, Sep 08, 2014 at 09:30:27AM +0530, Pratyush Anand wrote: > > On Fri, Sep 05, 2014 at 10:56:26PM +0800, Felipe Balbi wrote: > > > When we're debugging hard-to-reproduce and time-sensitive > > > use cases, printk() poses

Re: [PATCH 4/4] usb: dwc3: add tracepoints to aid debugging

2014-09-08 Thread Felipe Balbi
Hi, On Mon, Sep 08, 2014 at 09:30:27AM +0530, Pratyush Anand wrote: > On Fri, Sep 05, 2014 at 10:56:26PM +0800, Felipe Balbi wrote: > > When we're debugging hard-to-reproduce and time-sensitive > > use cases, printk() poses too much overhead. That's when > > the kernel's tracing infrastructure com

Re: [PATCH 4/4] usb: dwc3: add tracepoints to aid debugging

2014-09-07 Thread Pratyush Anand
On Fri, Sep 05, 2014 at 10:56:26PM +0800, Felipe Balbi wrote: > When we're debugging hard-to-reproduce and time-sensitive > use cases, printk() poses too much overhead. That's when > the kernel's tracing infrastructure comes into play. > > This patch implements a few initial tracepoints for the >