1e41f4b71Sopenharmony_ci# vmm 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 命令功能 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci查看进程的虚拟内存使用情况。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci## 命令格式 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ci- vmm [_-a / -h / --help_] 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci- vmm [_pid_] 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci## 参数说明 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci**表1** 参数说明 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci| 参数 | 参数说明 | 取值范围 | 21e41f4b71Sopenharmony_ci| -------- | -------- | -------- | 22e41f4b71Sopenharmony_ci| -a | 输出所有进程的虚拟内存使用情况。 | N/A | 23e41f4b71Sopenharmony_ci| -h \| --help | 命令格式说明。 | N/A | 24e41f4b71Sopenharmony_ci| pid | 进程ID，说明指定进程的虚拟内存使用情况。 | [0, 63] | 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci## 使用指南 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci命令缺省输出所有进程的虚拟内存使用情况。 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci 32e41f4b71Sopenharmony_ci## 使用实例 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci举例：输入vmm 3 35e41f4b71Sopenharmony_ci 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci## 输出说明 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci**示例** PID为3的进程虚拟内存使用信息 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci``` 42e41f4b71Sopenharmony_ciOHOS # vmm 3 43e41f4b71Sopenharmony_ci PID aspace name base size pages 44e41f4b71Sopenharmony_ci ---- ------ ---- ---- ----- ---- 45e41f4b71Sopenharmony_ci 3 0x408c0118 foundation 0x01000000 0x3e000000 800 46e41f4b71Sopenharmony_ci region name base size mmu_flags pages pg/ref 47e41f4b71Sopenharmony_ci ------ ---- ---- ---- --------- ----- ----- 48e41f4b71Sopenharmony_ci 0x408cb364 /bin/foundation 0x06da3000 0x00001000 CH US RD 1 1 49e41f4b71Sopenharmony_ci 0x408cb80c /bin/foundation 0x06da4000 0x00001000 CH US RD EX 1 1 50e41f4b71Sopenharmony_ci 0x408cb720 /bin/foundation 0x06da5000 0x00001000 CH US RD 1 1 51e41f4b71Sopenharmony_ci 0x408cb9a8 /bin/foundation 0x06da6000 0x00001000 CH US RD WR 1 1 52e41f4b71Sopenharmony_ci 0x413efde4 HEAP 0x12b43000 0x00015000 CH US RD WR 19 19 53e41f4b71Sopenharmony_ci 0x408c3d34 /lib/libc.so 0x23b08000 0x0004a000 CH US RD 25 2 54e41f4b71Sopenharmony_ci 0x408cbd44 /lib/libc.so 0x23b52000 0x00068000 CH US RD EX 58 10 55e41f4b71Sopenharmony_ci 0x408c3dc0 /lib/libc.so 0x23bba000 0x00002000 CH US RD WR 2 2 56e41f4b71Sopenharmony_ci 0x408cc128 /lib/libc.so 0x23bbc000 0x00002000 CH US RD WR 2 2 57e41f4b71Sopenharmony_ci 0x408d1634 MMAP 0x23bbe000 0x00005000 CH US RD WR 5 5 58e41f4b71Sopenharmony_ci 0x408c4e10 VDSO 0x23bc3000 0x00002000 CH US RD EX 2 2 59e41f4b71Sopenharmony_ci 0x408dbaec /lib/libc++.so 0x23bc5000 0x00046000 CH US RD 51 5 60e41f4b71Sopenharmony_ci 0x408deba8 /lib/libc++.so 0x23c0b000 0x0009f000 CH US RD EX 29 10 61e41f4b71Sopenharmony_ci 0x408debf4 /lib/libc++.so 0x23caa000 0x00006000 CH US RD 6 6 62e41f4b71Sopenharmony_ci 0x408c3ce0 /lib/libc++.so 0x23cb0000 0x00001000 CH US RD WR 1 1 63e41f4b71Sopenharmony_ci``` 64e41f4b71Sopenharmony_ci 65e41f4b71Sopenharmony_ci**表2** 进程基本信息 66e41f4b71Sopenharmony_ci 67e41f4b71Sopenharmony_ci| 输出 | 说明 | 68e41f4b71Sopenharmony_ci| -------- | -------- | 69e41f4b71Sopenharmony_ci| PID | 进程ID | 70e41f4b71Sopenharmony_ci| aspace | 进程虚拟内存控制块地址信息 | 71e41f4b71Sopenharmony_ci| name | 进程名 | 72e41f4b71Sopenharmony_ci| base | 虚拟内存起始地址 | 73e41f4b71Sopenharmony_ci| size | 虚拟内存大小 | 74e41f4b71Sopenharmony_ci| pages | 已使用的物理页数量 | 75e41f4b71Sopenharmony_ci 76e41f4b71Sopenharmony_ci**表3** 虚拟内存区间信息 77e41f4b71Sopenharmony_ci 78e41f4b71Sopenharmony_ci| 输出 | 说明 | 79e41f4b71Sopenharmony_ci| -------- | -------- | 80e41f4b71Sopenharmony_ci| region | 虚拟区间控制块地址信息 | 81e41f4b71Sopenharmony_ci| name | 虚拟区间类型 | 82e41f4b71Sopenharmony_ci| base | 虚拟区间起始地址 | 83e41f4b71Sopenharmony_ci| size | 虚拟区间大小 | 84e41f4b71Sopenharmony_ci| mmu_flags | 虚拟区间mmu映射属性 | 85e41f4b71Sopenharmony_ci| pages | 已使用的物理页数量（包括共享内存部分） | 86e41f4b71Sopenharmony_ci| pg/ref | 已使用的物理页数量 | 87