Hi, William Thanks for the explaination.
> There are some mechanism such and Intel's Precise Event Buffer (PEBS) and > AMD's Instruction Based Sampling to better match events and the instructions > that caused them. Depending which processor and version of software you are > using these mechanisms might available. The "better match" just means better than usual sampling mechanisms, right? Arun mentioned that "PEBS is known to be precise, but not accurate". So we still cannot get the exact IP which causes the event. Am I right? Regards, chenwj -- Wei-Ren Chen (陳韋任) Parallel Processing Lab, Institute of Information Science, Academia Sinica, Taiwan (R.O.C.) Tel:886-2-2788-3799 #1667 ------------------------------------------------------------------------------ Colocation vs. Managed Hosting A question and answer guide to determining the best fit for your organization - today and in the future. http://p.sf.net/sfu/internap-sfd2d _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel