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%]
在上面的统计中,我可以看到上下文切换stat被提到为204.但是# 0.025 M/sec
之后的语句对于上下文切换是什么意思?我无法将其解释为每秒切换次数。我试过检查维基页面和手册,但无法找到任何相关的内容?
答案 0 :(得分:1)
# 0.025 M/sec
表示每秒0.025百万(来自 m ega - 来自metric/SI prefix)上下文切换(每秒2.5万次)。