====== 04 Xen - Memory確認 ======

<code console>
# xentop
xentop - 11:57:05   Xen 3.4.4
20 domains: 1 running, 19 blocked, 0 paused, 0 crashed, 0 dying, 0 shutdown
Mem: 173528892k total, 61538496k used, 111990396k free    CPUs: 24 @ 3466MHz
      NAME  STATE   CPU(sec) CPU(%)     MEM(k) MEM(%)  MAXMEM(k) MAXMEM(%) VCPUS NETS NETTX(k) NETRX(k) VBDS   VBD_OO   VBD_RD   VBD_WR SSID
a5imnhw1na --b---       1967    0.0    1048576    0.6   16777216       9.7    24    0        0        0    2     3222    53551   265969    0
b7arh5hy0f --b---       1478    0.0    1048576    0.6   16777216       9.7    24    0        0        0    2       35    58276   243242    0
cxrvim6jt0 --b---        727    0.0     925516    0.5   14811136       8.5    24    0        0        0    2       11    45791   107410    0
  Domain-0 -----r     238552    0.0   16777284    9.7   no limit       n/a    24   11        0        0    0        0        0        0    0
gvs7u2kyfg --b---        282    0.0    1048332    0.6   16777216       9.7    24    0        0        0    2      887    32017    76589    0
hkr4073r2y --b---       2797    0.0     130932    0.1    2097152       1.2    24    0        0        0    2     1705  7953198  3409407    0
hpfo4vw9u2 --b---        749    0.0     925480    0.5   13107200       7.6    24    0        0        0    2      148    43271   109387    0
idj52xzv3m --b---       2694    0.0    2097016    1.2   33554432      19.3    24    0        0        0    2   211395 15254159 11050403    0
mlba5m1fm0 --b---       2072    0.0    1048576    0.6   16777216       9.7    24    0        0        0    2     2918    54103   331503    0
</code>

<code console>
# xm list
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0 16384    24     r----- 238582.0
a5imnhw1napkmf                              33  1024     1     -b----   1967.7
b7arh5hy0f8zc9                              39  1024     1     -b----   1478.6
cxrvim6jt0cc9v                              28   904     1     -b----    727.6
gvs7u2kyfgg38k                              56  1024     1     -b----    282.6
hkr4073r2y3ccv                               1   128     2     -b----   2797.9
hpfo4vw9u2vroi                              25   904     1     -b----    749.3
idj52xzv3m6yb4                              68  2048     1     -b----   2707.4
mlba5m1fm0r31z                              34  1024     1     -b----   2072.9
mn73md77z5x0o5                              18  4096     1     -b----  17559.2
</code>

^ 文字 ^状態 ^ 意味 ^
|r|runnning|CPUを使用して処理中|
|b|blocked|処理待ち|
|p|paused|一時停止中|
|s|shutdown|終了処理中|
|c|crashed|クラッシュによりフリーズ状態|
|d|dying|異常終了によりフリーズ状態|


<code console>
[root@hogehoge ~]# xm info
host                   : hogehoge
release                : 2.6.18-308.13.1.el5xen
version                : #1 SMP Tue Aug 21 17:51:21 EDT 2012
machine                : x86_64
nr_cpus                : 24
nr_nodes               : 1
cores_per_socket       : 6
threads_per_core       : 2
cpu_mhz                : 2266
hw_caps                : bfebfbff:2c100800:00000000:00000740:009ee3fd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 98294
free_memory            : 58490
node_to_cpu            : node0:0-23
node_to_memory         : node0:58490
xen_major              : 3
xen_minor              : 4
xen_extra              : .4
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.1.2 20080704 (Red Hat 4.1.2-51)
cc_compile_by          : root
cc_compile_domain      : 
cc_compile_date        : Sun Jul 22 21:08:42 EDT 2012
xend_config_format     : 4
</code>