8.014196 task-clock # 0.004 CPUs utilized
204 context-switches # 0.025 M/sec
32 cpu-migrations # 0.004 M/sec
0 page-faults # 0.000 K/sec
11,841,196 cycles # 1.478 GHz [46.17%]
9,982,788 stalled-cycles-frontend # 84.31% frontend cycles idle [80.26%]
8,122,708 stalled-cycles-backend # 68.60% backend cycles idle
5,462,302 instructions # 0.46 insns per cycle
# 1.83 stalled cycles per insn
1,098,309 branches # 137.045 M/sec
94,430 branch-misses # 8.60% of all branches [77.23%]在上面的状态中,我可以看到上下文切换状态被提到为204。但是,当涉及到上下文切换时,# 0.025 M/sec后面的语句意味着什么?我不能将其解释为每秒的开关数量。我试着检查了维基页面和手册,但找不到任何关于这方面的东西?
发布于 2016-07-28 14:31:41
# 0.025 M/sec意味着每秒0.025万次(来自m- from metric/SI prefix)上下文切换(因此每秒25000次)。
https://stackoverflow.com/questions/38628489
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