Vince, I think you need to use GLOBAL_POWER_EVNENTS:RUNNING to get the equivalent of CPU_CLK_UNHALTED.
On Thu, May 10, 2007 at 10:08:00AM -0500, Kevin Corry wrote: > Hi Vince, > > On Thu May 10 2007 1:53 pm, Vince Weaver wrote: > > I've been using perfmon2 to calculate CPI for various programs. This is > > fine on Pentium III, Itanium, and Core machines because both a CYCLES and > > a RETIRED_INSTRUCTIONS performance counter is available. > > > > However, on Pentium 4 there is no CYCLES counter. My question is, can I > > use the "unique timestamp" field in the results to somehow get cycle > > count? From what I can tell this is based on the TSC, which I guess can > > cause problems on SMP machines if the TSCs aren't synchronized. > > If memory serves correctly, the "global-power-events" event on Pentium4 is > equivalent to clock-cycles (at least, when the processor is not stopped). > Give that one a try and see if the results look reasonable. > > Thanks, > -- > Kevin Corry > [EMAIL PROTECTED] > http://www.ibm.com/linux/ > _______________________________________________ > perfmon mailing list > [email protected] > http://www.hpl.hp.com/hosted/linux/mail-archives/perfmon/ -- -Stephane _______________________________________________ perfmon mailing list [email protected] http://www.hpl.hp.com/hosted/linux/mail-archives/perfmon/
