> > + uname(&uts); > > + if (!strcmp(uts.machine, session->header.env.arch) || > > + (!strcmp(uts.machine, "x86_64") && > > + !strcmp(session->header.env.arch, "i386"))) > > why is this check and native_arch bool necessary? > i386 data will be overed by arch/x86
This is so that e.g. if someone displays an ARM perf.data on x86 it won't try to decode the ARM instructions as x86 instructions. It also assumes that noone parses 64bit x86 on 32bit, but I guess that's ok. -Andi
