On 2014.11.24 at 22:05 +0000, Sebastian Pop wrote: > I got my scripts installed on the gcc-farm. I first used an x86_64 gcc75 and > valgrind was crashing not recognizing how to decode an instruction. Then I > moved to gcc112 a powerpc64-linux where I got this data from stage2 cc1plus > compiling the same file alias.ii at -O2: (I got 3 runs of each mostly because > there is a bit of noise in all these numbers) > > $ valgrind --tool=cachegrind --cache-sim=no --branch-sim=yes ./cc1plus -O2 > ~/alias.ii
BTW perf is also available on gcc112: trippels@gcc2-power8 ~ % perf list List of pre-defined events (to be used in -e): cpu-cycles OR cycles [Hardware event] instructions [Hardware event] cache-references [Hardware event] cache-misses [Hardware event] branch-instructions OR branches [Hardware event] branch-misses [Hardware event] stalled-cycles-frontend OR idle-cycles-frontend [Hardware event] stalled-cycles-backend OR idle-cycles-backend [Hardware event] cpu-clock [Software event] task-clock [Software event] page-faults OR faults [Software event] context-switches OR cs [Software event] cpu-migrations OR migrations [Software event] minor-faults [Software event] major-faults [Software event] alignment-faults [Software event] emulation-faults [Software event] dummy [Software event] L1-dcache-loads [Hardware cache event] L1-dcache-load-misses [Hardware cache event] L1-dcache-store-misses [Hardware cache event] L1-dcache-prefetches [Hardware cache event] L1-icache-loads [Hardware cache event] L1-icache-load-misses [Hardware cache event] L1-icache-prefetches [Hardware cache event] LLC-loads [Hardware cache event] LLC-load-misses [Hardware cache event] LLC-stores [Hardware cache event] LLC-store-misses [Hardware cache event] LLC-prefetches [Hardware cache event] dTLB-load-misses [Hardware cache event] iTLB-load-misses [Hardware cache event] branch-loads [Hardware cache event] branch-load-misses [Hardware cache event] rNNN [Raw hardware event descriptor] cpu/t1=v1[,t2=v2,t3 ...]/modifier [Raw hardware event descriptor] (see 'man perf-list' on how to encode it) mem:<addr>[:access] [Hardware breakpoint] -- Markus
