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Performance counter stats for 'system wide':
20003.362033 task-clock (msec) # 4.000 CPUs utilized (100.00%)
394,209 context-switches # 0.020 M/sec (100.00%)
171 cpu-migrations # 0.009 K/sec (100.00%)
114 page-faults # 0.006 K/sec
12,481,647,384 cycles # 0.624 GHz (100.00%)
<not supported> stalled-cycles-frontend
<not supported> stalled-cycles-backend
7,571,850,559 instructions # 0.61 insns per cycle (100.00%)
1,455,154,870 branches # 72.746 M/sec (100.00%)
7,380,826 branch-misses # 0.51% of all branches
5.000859663 seconds time elapsed
Performance counter stats for 'system wide':
12,588,615,416 cycles (100.00%)
6,889,342,759 instructions # 0.55 insns per cycle (100.00%)
1,408,626,825 cache-references (100.00%)
3,659,546 cache-misses # 0.260 % of all cache refs (100.00%)
629,430,853 bus-cycles
5.000852890 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':
2,306,285,022 L1-dcache-loads (100.00%)
245,582,817 L1-dcache-load-misses # 10.65% of all L1-dcache hits (100.00%)
1,475,842,020 L1-dcache-stores
5.000791894 seconds time elapsed
Performance counter stats for 'system wide':
2,227,128,027 dTLB-loads (100.00%)
1,604,398 dTLB-load-misses # 0.07% of all dTLB cache hits
<not supported> dTLB-prefetch-misses
5.000763428 seconds time elapsed
Performance counter stats for 'system wide':
116,569,277 LLC-loads (66.65%)
977,539 LLC-load-misses # 0.84% of all LL-cache hits (66.65%)
26,362,035 LLC-stores (66.71%)
<not supported> LLC-prefetches
5.000753628 seconds time elapsed
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