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In order to dump only those parts of memory that are most
useful for debugging a problem, HP-UX divides the pages of memory
into several classes. The rightmost column in this table shows which
classes of memory are included in a crash dump under most circumstances. However,
these defaults can be overridden by the system administrator (see “Crash Dump Configuration”). Also, there are
some rare circumstances in which only full dumps are possible. Table 1-1 Title not available (Selective Dumps) Name | Description | Included? |
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UNUSED | Pages not currently in use. | No | USERPG | User-space pages, except stacks. | No | USTACK | User process stacks. | Yes | KCODE | Kernel code. | No | KSDATA | Kernel static data. | Yes | KDDATA | Kernel dynamic data, except buffer cache
data. | Yes | BCACHE | Buffer cache data, except buffers containing
file system metadata. | No | FSDATA | Buffer cache buffers containing file
system metadata (superblocks, indirect blocks, and cylinder groups). | Yes |
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