1e41f4b71Sopenharmony_ci# pmm 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 命令功能 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci查看系统内存物理页及pagecache物理页使用情况。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci## 命令格式 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_cipmm 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci## 参数说明 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci无 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci## 使用指南 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ciDebug版本才具备的命令。 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci## 使用实例 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci举例：输入pmm 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci## 输出说明 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci**示例** 查看物理页使用情况 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci``` 34e41f4b71Sopenharmony_ciOHOS # pmm 35e41f4b71Sopenharmony_ci phys_seg base size free_pages 36e41f4b71Sopenharmony_ci -------- ------- ---------- --------- 37e41f4b71Sopenharmony_ci 0x4065552c 0x809b0000 0x07550000 22344 38e41f4b71Sopenharmony_ciorder = 0, free_count = 16 39e41f4b71Sopenharmony_ciorder = 1, free_count = 12 40e41f4b71Sopenharmony_ciorder = 2, free_count = 8 41e41f4b71Sopenharmony_ciorder = 3, free_count = 6 42e41f4b71Sopenharmony_ciorder = 4, free_count = 13 43e41f4b71Sopenharmony_ciorder = 5, free_count = 16 44e41f4b71Sopenharmony_ciorder = 6, free_count = 12 45e41f4b71Sopenharmony_ciorder = 7, free_count = 4 46e41f4b71Sopenharmony_ciorder = 8, free_count = 79 47e41f4b71Sopenharmony_ciactive anon 0 48e41f4b71Sopenharmony_ciinactive anon 0 49e41f4b71Sopenharmony_ciactive file 1385 50e41f4b71Sopenharmony_ciinactice file 84 51e41f4b71Sopenharmony_cipmm pages: total = 30032, used = 7688, free = 22344 52e41f4b71Sopenharmony_cipathCache number = 325 53e41f4b71Sopenharmony_cipathCache memory size = 17621(B) 54e41f4b71Sopenharmony_ciVnode number = 67 55e41f4b71Sopenharmony_ciVnode memory size = 10720(B) 56e41f4b71Sopenharmony_ci``` 57e41f4b71Sopenharmony_ci 58e41f4b71Sopenharmony_ci**表1** 输出说明 59e41f4b71Sopenharmony_ci 60e41f4b71Sopenharmony_ci| 输出 | 说明 | 61e41f4b71Sopenharmony_ci| -------- | -------- | 62e41f4b71Sopenharmony_ci| phys_seg | 物理页控制块地址信息 | 63e41f4b71Sopenharmony_ci| base | 第一个物理页地址，即物理页内存起始地址 | 64e41f4b71Sopenharmony_ci| size | 物理页内存大小 | 65e41f4b71Sopenharmony_ci| free_pages | 空闲物理页数量 | 66e41f4b71Sopenharmony_ci| active anon | pagecache中，活跃的匿名页数量 | 67e41f4b71Sopenharmony_ci| inactive anon | pagecache中，不活跃的匿名页数量 | 68e41f4b71Sopenharmony_ci| active file | pagecache中，活跃的文件页数量 | 69e41f4b71Sopenharmony_ci| inactive file | pagecache中，不活跃的文件页数量 | 70e41f4b71Sopenharmony_ci| pmm pages | total：总的物理页数，used：已使用的物理页数，free：空闲的物理页数 | 71