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Performance counter stats for 'system wide':
20004.993272 task-clock (msec) # 4.000 CPUs utilized (100.00%)
361,620 context-switches # 0.018 M/sec (100.00%)
101 cpu-migrations # 0.005 K/sec (100.00%)
124 page-faults # 0.006 K/sec
12,416,510,535 cycles # 0.621 GHz (100.00%)
<not supported> stalled-cycles-frontend
<not supported> stalled-cycles-backend
7,513,804,548 instructions # 0.61 insns per cycle (100.00%)
1,444,610,438 branches # 72.212 M/sec (100.00%)
7,774,482 branch-misses # 0.54% of all branches
5.000756102 seconds time elapsed
Performance counter stats for 'system wide':
12,467,944,445 cycles (100.00%)
7,175,989,574 instructions # 0.58 insns per cycle (100.00%)
1,403,811,273 cache-references (100.00%)
3,410,517 cache-misses # 0.243 % of all cache refs (100.00%)
623,410,468 bus-cycles
5.000792270 seconds time elapsed
event syntax error: 'syscalls:sys_enter_*'
\___ can't access trace events
Error: No permissions to read /sys/kernel/debug/tracing/events/syscalls/sys_enter_*
Hint: Try 'sudo mount -o remount,mode=755 /sys/kernel/debug/tracing'
Run 'perf list' for a list of valid events
Usage: perf stat [<options>] [<command>]
-e, --event <event> event selector. use 'perf list' to list available events
Performance counter stats for 'system wide':
2,320,601,815 L1-dcache-loads (100.00%)
246,125,103 L1-dcache-load-misses # 10.61% of all L1-dcache hits (100.00%)
1,487,141,875 L1-dcache-stores
5.000982792 seconds time elapsed
Performance counter stats for 'system wide':
2,326,322,063 dTLB-loads (100.00%)
1,756,043 dTLB-load-misses # 0.08% of all dTLB cache hits
<not supported> dTLB-prefetch-misses
5.000753434 seconds time elapsed
Performance counter stats for 'system wide':
114,166,736 LLC-loads (66.65%)
771,643 LLC-load-misses # 0.68% of all LL-cache hits (66.68%)
24,195,795 LLC-stores (66.68%)
<not supported> LLC-prefetches
5.000787185 seconds time elapsed
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