https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697
--- Comment #6 from Martin Jambor <jamborm at gcc dot gnu.org> --- Created attachment 56719 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56719&action=edit Perf annotate of milc built with r14-4971-g0beb1611754742 commit r14-4971-g0beb1611754742: $ perf stat taskset -c 0 specinvoke Performance counter stats for 'taskset -c 0 specinvoke': 216908.59 msec task-clock:u # 1.000 CPUs utilized 0 context-switches:u # 0.000 /sec 0 cpu-migrations:u # 0.000 /sec 889694 page-faults:u # 4.102 K/sec 697007650237 cycles:u # 3.213 GHz (83.33%) 31999772966 stalled-cycles-frontend:u # 4.59% frontend cycles idle (83.33%) 540485725923 stalled-cycles-backend:u # 77.54% backend cycles idle (83.33%) 1061256162815 instructions:u # 1.52 insn per cycle # 0.51 stalled cycles per insn (83.33%) 58760648879 branches:u # 270.901 M/sec (83.34%) 11890202 branch-misses:u # 0.02% of all branches (83.33%) 216.935387643 seconds time elapsed 211.436079000 seconds user 5.472459000 seconds sys $ perf record taskset -c 0 specinvoke [ perf record: Woken up 132 times to write data ] [ perf record: Captured and wrote 32.901 MB perf.data (862286 samples) ] $ perf report -n --percent-limit=1 --stdio # To display the perf.data header info, please use --header/--header-only options. # # # Total Lost Samples: 0 # # Samples: 862K of event 'cycles:Pu' # Event count (approx.): 695776598661 # # Overhead Samples Command Shared Object Symbol # ........ ............ ............... ...................... ...................................... # 22.68% 197003 milc_base.mine- milc_base.mine-lto-gen [.] mult_su3_na 20.99% 177912 milc_base.mine- milc_base.mine-lto-gen [.] u_shift_fermion 19.04% 163787 milc_base.mine- milc_base.mine-lto-gen [.] mult_su3_nn 6.85% 58509 milc_base.mine- milc_base.mine-lto-gen [.] scalar_mult_add_su3_matrix 5.51% 50953 milc_base.mine- milc_base.mine-lto-gen [.] path_product 5.40% 46083 milc_base.mine- milc_base.mine-lto-gen [.] mult_su3_an 4.22% 35853 milc_base.mine- milc_base.mine-lto-gen [.] add_force_to_mom 3.77% 32446 milc_base.mine- milc_base.mine-lto-gen [.] imp_gauge_force.constprop.0 1.98% 16848 milc_base.mine- milc_base.mine-lto-gen [.] compute_gen_staple 1.94% 16462 milc_base.mine- milc_base.mine-lto-gen [.] make_anti_hermitian 1.73% 14655 milc_base.mine- milc_base.mine-lto-gen [.] mult_su3_mat_vec_sum_4dir 1.35% 11472 milc_base.mine- milc_base.mine-lto-gen [.] mult_adj_su3_mat_4vec 1.27% 10801 milc_base.mine- libc.so.6 [.] __memset_avx2_unaligned_erms $ perf annotate -n --percent-limit=1 > ~/tmp/milc-perf-annotate-0beb1611754 (gzipeped and attached)
