Hello All,
I am trying to use perf tool. I have installed ubuntu 12.04 on Pandaboard. After booting up the system, installed linux-tools. Which installed linux-tools-3.0.0-25. running the perf, gives following error.






perf_3.0.0-25 stat ls
Error: open_counter returned with 19 (No such device). /bin/dmesg may provide additional information.

Fatal: Not all events could be opened.

How do I fix the above problem? Did anyone get the perf to work on any ubuntu releases on Pandaboard? I can use any build if perf and cpufreq are available.*




I have actually tried various builds.(11.04,11.10, 12.04 and 12.10 alpha). However, I couldn't get perf tool to work in any of these builds with the above steps.




This issue is actually blocking my research. Any help is appreciated.



Thank you

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