Cisco Headend System Release 2.7 ユーザーガイド
Linux Memory Information Diagnostic Screen
78-4011047-01 Rev D
57
Screen Fields and Values
The following table describes the fields and possible values that can appear on the
The following table describes the fields and possible values that can appear on the
TV screen when you are reviewing the diagnostic screens. They can be useful for
troubleshooting.
Note: All memory values are given in kilobytes.
Field Name
Description
Possible Values
System RAM
Total
Total
The total physical system
RAM visible to Linux (in KB).
This will be the actual RAM
size minus a small amount
reserved for use by the
bootloader (around 1Mb).
RAM visible to Linux (in KB).
This will be the actual RAM
size minus a small amount
reserved for use by the
bootloader (around 1Mb).
[Integer > 0]
System RAM
Boot
Boot
The amount of RAM required
to boot the Linux kernel. This
includes all static device
allocations in kernel space.
to boot the Linux kernel. This
includes all static device
allocations in kernel space.
[Integer > 0]
System RAM
Useable
Useable
The total free useable RAM
available after booting the
kernel. This is reported by
Linux as "memTotal".
available after booting the
kernel. This is reported by
Linux as "memTotal".
[Integer > 0]
Useable RAM
Total
Total
The total free useable RAM
available after booting the
kernel. This is reported by
Linux as "memTotal".
available after booting the
kernel. This is reported by
Linux as "memTotal".
[Integer > 0]
Useable RAM
Kernel
Kernel
The amount of RAM reserved
for use by the Linux kernel.
for use by the Linux kernel.
[Integer > 0]
Useable RAM
User
User
The maximum amount of
RAM available to user
processes. Reported by Linux
as CommitLimit.
RAM available to user
processes. Reported by Linux
as CommitLimit.
[Integer > 0]
Useable RAM
Free
Free
The total amount of free RAM
currently available to the
system. This is reported by
Linux as "MemFree".
currently available to the
system. This is reported by
Linux as "MemFree".
[Integer > 0]
Kernel Reserved The amount of RAM reserved
for use by the Linux kernel.
[Integer > 0]
Kernel Cache
The amount of RAM used in
Linux cache. Reported by
Linux as "Cached". This
disposable cache may cause
kernel memory usage to
exceed the specified limit
reserved for the kernel.
Linux cache. Reported by
Linux as "Cached". This
disposable cache may cause
kernel memory usage to
exceed the specified limit
reserved for the kernel.
[Integer > 0]