查看Android physical memory layout和virtual memory layout

来源：互联网发布：鬼知乎编辑：程序博客网时间：2024/05/18 00:45

抓取Android kernel开机log：

1. physical memory layout：

在log中搜索“PHY layout”：

[    0.000000] <0>-(0)[0:swapper][PHY layout]atf-reserved-memory@44600000   :   0x44600000 - 0x4460ffff (0x10000)[    0.000000] <0>-(0)[0:swapper][PHY layout]atf-ramdump-memory@44610000   :   0x44610000 - 0x4463ffff (0x30000)[    0.000000] <0>-(0)[0:swapper][PHY layout]cache-dump-memory@44640000   :   0x44640000 - 0x4466ffff (0x30000)[    0.000000] <0>-(0)[0:swapper][PHY layout]consys-reserve-memory   :   0xbde00000 - 0xbdffffff (0x200000)[    0.000000] <0>-(0)[0:swapper][PHY layout]spm-reserve-memory   :   0xbe180000 - 0xbe195fff (0x16000)[    0.000000] <0>-(0)[0:swapper][PHY layout]reserve-memory-scp_share   :   0x8f000000 - 0x8fffffff (0x1000000)[    0.000000] <0>-(0)[0:swapper][PHY layout]spi-reserve-memory   :   0xbe160000 - 0xbe175fff (0x16000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0x40000000 - 0x445fffff (0x4600000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0x44670000 - 0x87ffffff (0x43990000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0x88200000 - 0x8effffff (0x6e00000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0x90000000 - 0xb3ffffff (0x24000000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0xbb000000 - 0xbddfffff (0x2e00000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0xbe000000 - 0xbe15ffff (0x160000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0xbe176000 - 0xbe17ffff (0xa000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0xbe196000 - 0xbe19ffff (0xa000)[    0.000000] <0>-(0)[0:swapper][PHY layout]kernel   :   0xc0000000 - 0x13fffffff (0x80000000)[    0.468130] <4>.(4)[1:swapper/0][PHY layout]tee_reserved_mem   :   0xbff80000 - 0xbffbffff (0x40000)[    0.469290] <4>[PHY layout]FB (dt) :  0xbe3a0000 - 0xbff7ffff  (0x1be0000)[    1.613119] <4>.(4)[1:swapper/0][PHY layout]ccci_md0 at LK  :  0xb4000000 - 0xbaffffff  (0x7000000)[    1.615123] <4>.(4)[1:swapper/0][PHY layout]ccci_share_mem at LK  :  0x88000000 - 0x881fffff  (0x200000)

2. virtual memory layout：

在log中搜索“Virtual kernel memory layout”

[    0.000000] <0>    vmalloc : 0xffffff8000000000 - 0xffffffbdffff0000   (   247 GB)[    0.000000] <0>    vmemmap : 0xffffffbe00000000 - 0xffffffbfc0000000   (     7 GB maximum)[    0.000000] <0>              0xffffffbe00000000 - 0xffffffbe03800000   (    56 MB actual)[    0.000000] <0>    PCI I/O : 0xffffffbffa000000 - 0xffffffbffb000000   (    16 MB)[    0.000000] <0>    fixed   : 0xffffffbffbdfd000 - 0xffffffbffbdff000   (     8 KB)[    0.000000] <0>    modules : 0xffffffbffc000000 - 0xffffffc000000000   (    64 MB)[    0.000000] <0>    memory  : 0xffffffc000000000 - 0xffffffc100000000   (  4096 MB)[    0.000000] <0>      .init : 0xffffffc0011f9000 - 0xffffffc001301000   (  1056 KB)[    0.000000] <0>      .text : 0xffffffc000080000 - 0xffffffc0011f8094   ( 17889 KB)[    0.000000] <0>      .data : 0xffffffc00131c000 - 0xffffffc0014ec248   (  1857 KB)

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