或者,可以使用stress-ng
。它具有CPU压力测试,是该工具内置的许多压力测试之一。cpu压力测试包含许多不同的CPU压力方法,包括整数,浮点数,位运算,混合计算,素数计算以及各种计算。
使用以下方法安装:
sudo apt-get install stress-ng
要查看与cpu相关的压力方法,请使用:
stress-ng --cpu-method which
例如,要在4个CPU线程上对矩阵乘积进行60秒的基准测试,请使用:
stress-ng --cpu 4 --cpu-method matrixprod --metrics-brief --perf -t 60
stress-ng: info: [15876] dispatching hogs: 4 cpu
stress-ng: info: [15876] successful run completed in 60.00s (1 min, 0.00 secs)
stress-ng: info: [15876] stressor bogo ops real time usr time sys time bogo ops/s bogo ops/s
stress-ng: info: [15876] (secs) (secs) (secs) (real time) (usr+sys time)
stress-ng: info: [15876] cpu 71657 60.00 239.60 0.00 1194.25 299.07
stress-ng: info: [15876] cpu:
stress-ng: info: [15876] 885,244,279,148 CPU Cycles 14.75 B/sec
stress-ng: info: [15876] 1,289,303,858,968 Instructions 21.49 B/sec (1.456 instr. per cycle)
stress-ng: info: [15876] 201,499,961,692 Cache References 3.36 B/sec
stress-ng: info: [15876] 790,424 Cache Misses 13.17 K/sec ( 0.00%)
stress-ng: info: [15876] 157,689,508,544 Branch Instructions 2.63 B/sec
stress-ng: info: [15876] 1,232,539,732 Branch Misses 20.54 M/sec ( 0.78%)
stress-ng: info: [15876] 5,755,605,036 Bus Cycles 95.92 M/sec
stress-ng: info: [15876] 817,296,440,876 Total Cycles 13.62 B/sec
stress-ng: info: [15876] 8,532 Page Faults Minor 142.19 sec
stress-ng: info: [15876] 0 Page Faults Major 0.00 sec
stress-ng: info: [15876] 220 Context Switches 3.67 sec
stress-ng: info: [15876] 0 CPU Migrations 0.00 sec
stress-ng: info: [15876] 0 Alignment Faults 0.00 sec