的输出# top -o size
last pid: 61935; load averages: 0.82, 0.44, 0.39 up 10+13:28:42 16:49:43
152 processes: 2 running, 150 sleeping
CPU: 10.3% user, 0.0% nice, 1.8% system, 0.2% interrupt, 87.7% idle
Mem: 5180M Active, 14G Inact, 2962M Wired, 887M Cache, 2465M Buf, 83M Free
Swap: 512M Total, 26M Used, 486M Free, 5% Inuse
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
1471 mysql 62 44 0 763M 349M ucond 3 222:19 74.76% mysqld
1171 root 4 44 0 645M 519M sbwait 0 20:56 3.86% tfs
41173 root 4 44 0 629M 516M sbwait 4 19:17 0.59% tfs
41350 root 4 44 0 585M 467M sbwait 7 15:17 0.10% tfs
36382 root 4 45 0 581M 401M sbwait 1 206:50 0.10% tfs
41157 root 4 44 0 551M 458M sbwait 5 16:23 0.98% tfs
36401 root 4 45 0 199M 108M uwait 2 17:50 0.00% tfs
36445 root 4 44 0 199M 98M uwait 4 20:11 0.00% tfs
36420 root 4 45 0 191M 98M uwait 4 19:57 0.00% tfs
3491 root 9 45 0 79320K 41292K uwait 4 40:22 0.00% tfs_db
40690 root 1 44 0 29896K 4104K select 1 0:05 0.00% sshd
44636 root 1 44 0 29896K 3896K select 4 0:00 0.00% sshd
22224 root 1 44 0 29896K 3848K select 6 0:00 0.00% sshd
42956 root 1 44 0 29896K 3848K select 4 0:00 0.00% sshd
909 bind 11 76 0 27308K 14396K kqread 1 0:00 0.00% named
1586 root 1 44 0 26260K 3464K select 4 0:00 0.00% sshd
40590 root 4 45 0 23480K 7592K uwait 1 5:11 0.00% auth
1472 root 1 44 0 22628K 8776K select 0 0:41 0.00% perl5.8.9
22229 root 1 44 0 20756K 2776K select 0 0:00 0.00% sftp-server
42960 root 1 44 0 20756K 2772K select 2 0:00 0.00% sftp-server
44638 root 1 44 0 10308K 2596K pause 2 0:00 0.00% csh
42958 root 1 47 0 10308K 1820K pause 3 0:00 0.00% csh
22227 root 1 48 0 10308K 1820K pause 0 0:00 0.00% csh
36443 root 1 57 0 10248K 1792K wait 0 0:00 0.00% bash
36418 root 1 51 0 10248K 1788K wait 2 0:00 0.00% bash
41171 root 1 63 0 10248K 1788K wait 0 0:00 0.00% bash
36399 root 1 50 0 10248K 1784K wait 2 0:00 0.00% bash
41155 root 1 56 0 10248K 1784K wait 0 0:00 0.00% bash
40588 root 1 76 0 10248K 1776K wait 6 0:00 0.00% bash
36380 root 1 50 0 10248K 1776K wait 2 0:00 0.00% bash
41348 root 1 54 0 10248K 1776K wait 0 0:00 0.00% bash
1169 root 1 54 0 10248K 1772K wait 0 0:00 0.00% bash
3485 root 1 76 0 10248K 1668K wait 4 0:00 0.00% bash
61934 root 1 44 0 9372K 2356K CPU4 4 0:00 0.00% top
1185 mysql 1 76 0 8296K 1356K wait 3 0:00 0.00% sh
1611 root 1 44 0 7976K 1372K nanslp 0 0:08 0.00% cron
824 root 1 44 0 7048K 1328K select 0 0:03 0.00% syslogd
1700 root 1 76 0 6916K 1052K ttyin 3 0:00 0.00% getty
1703 root 1 76 0 6916K 1052K ttyin 2 0:00 0.00% getty
1702 root 1 76 0 6916K 1052K ttyin 5 0:00 0.00% getty
1706 root 1 76 0 6916K 1052K ttyin 0 0:00 0.00% getty
1705 root 1 76 0 6916K 1052K ttyin 1 0:00 0.00% getty
1701 root 1 76 0 6916K 1052K ttyin 6 0:00 0.00% getty
1707 root 1 76 0 6916K 1052K ttyin 4 0:00 0.00% getty
1704 root 1 76 0 6916K 1052K ttyin 7 0:00 0.00% getty
490 root 1 44 0 3204K 556K select 1 0:00 0.00% devd
我的游戏服务器非常滞后,我注意到只有 83M 的可用内存。
这不仅仅是top
因为我也尝试过使用其他应用程序:
# /usr/local/bin/freem
SYSTEM MEMORY INFORMATION:
mem_wire: 3104976896 ( 2961MB) [ 12%] Wired: disabled for paging out
mem_active: + 5440778240 ( 5188MB) [ 21%] Active: recently referenced
mem_inactive:+ 15324811264 ( 14614MB) [ 61%] Inactive: recently not referenced
mem_cache: + 1015689216 ( 968MB) [ 4%] Cached: almost avail. for allocation
mem_free: + 86818816 ( 82MB) [ 0%] Free: fully available for allocation
mem_gap_vm: + 946176 ( 0MB) [ 0%] Memory gap: UNKNOWN
-------------- ------------ ----------- ------
mem_all: = 24974020608 ( 23817MB) [100%] Total real memory managed
mem_gap_sys: + 772571136 ( 736MB) Memory gap: Kernel?!
-------------- ------------ -----------
mem_phys: = 25746591744 ( 24553MB) Total real memory available
mem_gap_hw: + 23212032 ( 22MB) Memory gap: Segment Mappings?!
-------------- ------------ -----------
mem_hw: = 25769803776 ( 24576MB) Total real memory installed
SYSTEM MEMORY SUMMARY:
mem_used: 9342484480 ( 8909MB) [ 36%] Logically used memory
mem_avail: + 16427319296 ( 15666MB) [ 63%] Logically available memory
-------------- ------------ ----------- ------
mem_total: = 25769803776 ( 24576MB) [100%] Logically total memory
如您所见,输出类似:
mem_free: + 86818816 ( 82MB) [ 0%] Free: fully available for allocation
.
我的专用有 24GB 的 RAM,这对于我的游戏服务器来说已经足够了。
我怎样才能找出哪个进程正在消耗这么多的内存?
我正在使用 FreeBSD 8.2。