On Thu, 2010-04-08 at 22:45 +0200, Stephane Eranian wrote: > There is a warn_on_once() check for PERF_SAMPLE_RAW which trips > when using PEBS on both Core and Nehalem. Core PEBS sample size is 144 > bytes and 176 bytes for Nehalem. Both are multiples of 8, but the size > field is encoded as int, thus the total is never a multiple of 8 which > trips the check. I think the size should have been u64, but now it is > too late to change given it is ABI.
PEBS hasn't seen -linus yet, so we can fix that. There's various things that do indeed rely on the perf buffer to always be u64 aligned, so this warning isn't bogus at all. ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel