<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div><div>On Feb 1, 2014, at 4:23 AM, Chandrasekaran Sivakumar <<a href="mailto:chandru.a6@gmail.com">chandru.a6@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Hi,<div>ft_trace device isn't available in /dev/litmus. I checked the litmus-rt/litmus/Kconfig file. I compared it with the one given in <a href="https://github.com/LITMUS-RT/litmus-rt/blob/master/litmus/Kconfig" target="_blank" style="font-family:arial,sans-serif;font-size:13px">https://github.com/LITMUS-RT/litmus-rt/blob/master/litmus/Kconfig</a>. There is absolutely no difference.</div>
<div> </div><div>And when I did 'make menuconfig', I could find only the following under LITMUS^RT > Tracing:</div><div>1.Enable Event/Tracepoint Tracing for real-time task tracing</div><div>2.TRACE() debugging</div>
<div>I was not able to find the other options.</div><div><br></div><div>Please tell what's the issue! <br clear="all"><div><div dir="ltr"><br></div><div dir="ltr">Regards,<div>chandru</div></div></div>
</div></div></blockquote><br></div><div>I believe that we already did. ft-trace has but one dependency: CONFIG_RELOCATABLE must NOT be set. This is evident in litmus/Kconfig. (Line 182: <a href="https://github.com/LITMUS-RT/litmus-rt/blob/master/litmus/Kconfig#L182">https://github.com/LITMUS-RT/litmus-rt/blob/master/litmus/Kconfig#L182</a>)</div><div><br></div><div>To disable CONFIG_RELOCATABLE, do:</div><div>make menuconfig > “Processor type and features” > scroll to the bottom of the list and DEselect “Build a relocatable kernel”.</div><div><br></div><div>Go back to LITMUS^RT > Tracing, the ft-trace options should be available.</div><br><div>A hidden feature of ‘make menuconfig’ is that you can hit ‘/‘ (the same search command as vim) and enter the parameter you are looking for. You will be returned a list of matching parameters, their menu locations, and their own dependencies.</div><div><br></div><div>-Glenn</div></body></html>