Hello,
here the result:
sudo cat /sys/kernel/debug/mmc0/ios
[sudo] password for rock64:
clock: 0 Hz
vdd: 0 (invalid)
bus mode: 2 (push-pull)
chip select: 0 (don't care)
power mode: 0 (off)
bus width: 0 (1 bits)
timing spec: 0 (legacy)
signal voltage: 0 (1.80 V)
driver type: 0 (driver type B)
sudo stress-ng --cpu 4 --cpu-method matrixprod --metrics-brief --perf -t 600
stress-ng: info: [13868] dispatching hogs: 4 cpu
stress-ng: info: [13868] cache allocate: using built-in defaults as unable to determine cache details
stress-ng: info: [13868] successful run completed in 600.76s (10 mins, 0.76 secs)
stress-ng: info: [13868] stressor bogo ops real time usr time sys time bogo ops/s bogo ops/s
stress-ng: info: [13868] (secs) (secs) (secs) (real time) (usr+sys time)
stress-ng: info: [13868] cpu 3571 600.32 2236.16 4.99 5.95 1.59
stress-ng: info: [13868] cpu:
stress-ng: info: [13868] 288 System Call Enter 0.48 /sec
stress-ng: info: [13868] 284 System Call Exit 0.47 /sec
stress-ng: info: [13868] 57,160 Kmalloc 95.15 /sec
stress-ng: info: [13868] 0 Kmalloc Node 0.00 /sec
stress-ng: info: [13868] 124,180 Kfree 206.70 /sec
stress-ng: info: [13868] 74,176 Kmem Cache Alloc 123.47 /sec
stress-ng: info: [13868] 0 Kmem Cache Alloc Node 0.00 /sec
stress-ng: info: [13868] 160,896 Kmem Cache Free 267.82 /sec
stress-ng: info: [13868] 2,072 MM Page Alloc 3.45 /sec
stress-ng: info: [13868] 10,656 MM Page Free 17.74 /sec
stress-ng: info: [13868] 1,481,848 RCU Utilization 2.47 K/sec
stress-ng: info: [13868] 2,992 Sched Migrate Task 4.98 /sec
stress-ng: info: [13868] 0 Sched Move NUMA 0.00 /sec
stress-ng: info: [13868] 83,780 Sched Wakeup 139.46 /sec
stress-ng: info: [13868] 0 Sched Proc Exec 0.00 /sec
stress-ng: info: [13868] 0 Sched Proc Exit 0.00 /sec
stress-ng: info: [13868] 0 Sched Proc Fork 0.00 /sec
stress-ng: info: [13868] 288 Sched Proc Free 0.48 /sec
stress-ng: info: [13868] 0 Sched Proc Hang 0.00 /sec
stress-ng: info: [13868] 0 Sched Proc Wait 0.00 /sec
stress-ng: info: [13868] 102,808 Sched Switch 171.13 /sec
stress-ng: info: [13868] 4 Signal Generate 0.01 /sec
stress-ng: info: [13868] 4 Signal Deliver 0.01 /sec
stress-ng: info: [13868] 616,276 IRQ Entry 1.03 K/sec
stress-ng: info: [13868] 616,276 IRQ Exit 1.03 K/sec
stress-ng: info: [13868] 689,484 Soft IRQ Entry 1.15 K/sec
stress-ng: info: [13868] 689,484 Soft IRQ Exit 1.15 K/sec
stress-ng: info: [13868] 0 Writeback Dirty Inode 0.00 /sec
stress-ng: info: [13868] 0 Writeback Dirty Page 0.00 /sec
stress-ng: info: [13868] 0 Migrate MM Pages 0.00 /sec
stress-ng: info: [13868] 63,200 SKB Consume 105.20 /sec
stress-ng: info: [13868] 180 SKB Kfree 0.30 /sec
stress-ng: info: [13868] 0 IOMMU IO Page Fault 0.00 /sec
stress-ng: info: [13868] 0 IOMMU Map 0.00 /sec
stress-ng: info: [13868] 0 IOMMU Unmap 0.00 /sec
Is that good? Pls check.