On 05/07/2013 09:44 AM, Laurent Bourgès wrote: > I confirm oprofile (0.96 on my fedora 14) works just fine (see below). > > Do you recommend me to use the latest (git) version ? 0.96 is quite old > (2011)
Only if the version you're using doesn't work. > Could you explain me a bit how to get sample counts corresponding to the > complete benchmark (few minutes long) ? I don't understand. As far as I can see that is what you have. > should I use the event argument to set the highest count (reset) value ? > > By default, oprofile uses: CPU_CLK_UNHALTED:100000:0:1:1 > > opcontrol --event=CPU_CLK_UNHALTED:400000 > > What is the maximum value I can set ? I always use the default. The more you increase sample frequency the more overhead there is. The real test is to experiment and see if it makes any difference. Andrew.
