On 2014.10.21 at 15:31 -0700, Dehao Chen wrote: > Looks like the perf data type is incompatible with quipper (perf data > parser). Can you send me the perf.data file so that I can take a look.
PERF_RECORD_MMAP2 (aka 10) was added in Linux 3.12 (commit 13d7a2410f). So your autofdo tool simply doesn't work on newer kernels. -- Markus
