Performance counter stats for 'du -s -x /' (10 runs): 1753.071481 task-clock (msec) # 0.997 CPUs utilized ( +- 0.20% ) 206 context-switches # 0.118 K/sec ( +- 0.76% ) 1 cpu-migrations # 0.000 K/sec ( +- 36.85% ) 14,500 page-faults # 0.008 M/sec ( +- 0.00% ) 6,455,787,814 cycles # 3.683 GHz ( +- 0.12% ) 8,645,643,526 instructions # 1.34 insn per cycle ( +- 0.01% ) 1,692,669,629 branches # 965.545 M/sec ( +- 0.00% ) 25,316,161 branch-misses # 1.50% of all branches ( +- 0.06% ) 1.759088649 seconds time elapsed ( +- 0.20% )