On Thu, Jun 25, 2009 at 4:28 PM, sandeep lahane<sandeep.lahane@xxxxxxxxx> wrote: > Hi All, > > Is it possible to access cpu performance counters from user space? > AFAIK, it is not possible. > I am aware of various attempts like perfmon and perfctr patch set. > Looks like a kernel module is > mandatory to access these registers. My objective is to measure > various parameters like number > instructions retired, number of cache misses, number of brach mis > predictions etc. > > I know of an alternative way to count the number of instructions by > using ptrace but I think this approach > is very slow. > > Regards, > Sandeep. > I meant Perfsuite and perfctr, not perfmon. -- To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
