简单来说现在就是需要知道物理内存和已用内存
目前已知物理内存可以用 sysctl hw.memsize 获取
找了半天，貌似也只能参考 top ，但是 top 输出的过于复杂。
现在就差一个可以获取已用内存的命令 T 。T
目前已知物理内存可以用 sysctl hw.memsize 获取
找了半天，貌似也只能参考 top ，但是 top 输出的过于复杂。
现在就差一个可以获取已用内存的命令 T 。T
This topic created in 710 days ago, the information mentioned may be changed or developed.
Supplement 1 Jun 26, 2024
找到一个命令 memory_pressure
打印信息如下
The system has 8589934592 (524288 pages with a page size of 16384).
Stats:
Pages free: 21287
Pages purgeable: 2631
Pages purged: 7215353
Swap I/O:
Swapins: 0
Swapouts: 0
Page Q counts:
Pages active: 152896
Pages inactive: 131961
Pages speculative: 24003
Pages throttled: 0
Pages wired down: 76102
Compressor Stats:
Pages used by compressor: 84657
Pages decompressed: 11575373
Pages compressed: 17295516
File I/O:
Pageins: 21261936
Pageouts: 395439
System-wide memory free percentage: 67%
打印信息如下
The system has 8589934592 (524288 pages with a page size of 16384).
Stats:
Pages free: 21287
Pages purgeable: 2631
Pages purged: 7215353
Swap I/O:
Swapins: 0
Swapouts: 0
Page Q counts:
Pages active: 152896
Pages inactive: 131961
Pages speculative: 24003
Pages throttled: 0
Pages wired down: 76102
Compressor Stats:
Pages used by compressor: 84657
Pages decompressed: 11575373
Pages compressed: 17295516
File I/O:
Pageins: 21261936
Pageouts: 395439
System-wide memory free percentage: 67%
Supplement 2 Jun 26, 2024
 | 1 niubilewodev Jun 25, 2024  1 vm_stat |
 | 2 beginor Jun 25, 2024 via Android M 芯片的话可以试试 asitop brew install asitop 或者 pip install asitop |
 | 3 AdamCao Jun 26, 2024 via Android 我用的 bottom ，看到的东西挺多的 |
 | 4 PepperEgg OP @niubilewodev 看了下 vm_stat 实现的原理，然后找了篇文章看了下，大致知道咋回事了 |
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