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电梯直达

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发表于 2007-11-13 15:49 |只看该作者 |倒序浏览

系统为SUN Blade 2500 2G内存，但是使用top查看内存时告诉我还有30M剩余的物理内存，而我按进程一项项统计时（对top输出的结果统计RES列，prstat输出的结果统计RSS列），其总数却只有1100M，那么还有900M的内存到那里去了呢？

使用top查看系统内存占用如下：
last pid: 21507;  load avg:  0.68,  0.62,  0.59;    up 4+21:13:39 15:07:53
131 processes: 128 sleeping, 1 zombie, 2 on cpu
CPU states: 69.9% idle,  6.3% user, 23.8% kernel,  0.0% iowait,  0.0% swap
Memory: 2048M phys mem, 30M free mem, 9500M total swap, 7744M free swap

PID USERNAME LWP PRI NICE  SIZE RES STATE TIME CPU COMMAND
11034 root    23  51 0  921M 53M cpu/1  183:38 12.95% dataserver
  6831 root    86  59 0  135M 62M sleep 27:26  1.58% xxxx
21485 root    1  59 0 2976K 1720K cpu/0 0:00  0.80% top
  5696 root    12  59 0 16M 6512K sleep 10:52  0.79% xxxx
  6013 root    146  59 0  221M  112M sleep 8:40  0.70% xxxx
  6557 root    90  59 0  161M 93M sleep 7:32  0.61% xxxx
  6882 root    75  59 0 60M 8016K sleep 0:48  0.25% xxxx
  9030 root    27  59 0 78M 45M sleep 2:19  0.24% xxxx
  6905 root    43  59 0 56M 27M sleep 0:57  0.10% xxxx
  6291 root    35  59 0 63M 31M sleep 3:10  0.09% xxxx
  6914 root    27  59 0 57M 14M sleep 0:56  0.09% xxxx
  6902 root    164  59 0 70M 27M sleep 1:32  0.08% xxxx
708 root    23  29 10 82M 23M sleep 14:22  0.08% java
598 root    1  59 0 5288K  968K sleep 8:34  0.07% vradmind
  7218 root    80  59 0  132M 52M sleep 10:38  0.07% xxxx
  6901 root    111  59 0  140M 80M sleep 7:14  0.06% xxxx
  6003 root    55  59 0 40M 7128K sleep 0:59  0.06% xxxx
  6904 root    43  59 0 36M 7312K sleep 1:15  0.06% xxxx
  6913 root    63  59 0 58M 11M sleep 0:55  0.05% xxxx
  6887 root    55  59 0 85M 20M sleep 4:54  0.05% xxxx
  6910 root    69  59 0 74M 19M sleep 1:03  0.04% xxxx
14248 root    49  59 0  212M 64M sleep 1:58  0.04% xxxx
16394 root    1  59 0 8120K 1136K sleep 0:48  0.03% sdtperfmeter
  6115 root    40  29 10 81M 22M sleep 1:42  0.03% java
532 root    42  59 0 77M 4768K sleep 3:05  0.03% vxsvc
23586 root    1  59 0 8240K  800K sleep 0:43  0.03% dtterm
16399 root    1  59 0 2216K  608K sleep 0:54  0.03% rpc.rstatd
  6861 root    70  59 0 76M 18M sleep 1:22  0.02% xxxx
  1392 root    1  59 0 11M  504K sleep 2:02  0.02% dtgreet
  6876 root    74  59 0 44M 11M sleep 0:19  0.02% xxxx
  6871 root    52  59 0 47M 12M sleep 1:05  0.02% xxxx
931 root    1  59 0 78M  768K sleep 1:53  0.02% Xsun
  5919 root    16  59 0 27M 5848K sleep 0:11  0.01% xxxx
  1096 root    1  59 0 6832K  672K sleep 0:10  0.01% nmbd
131 root    10  59 0 3784K  240K sleep 1:39  0.01% picld
   7 root    13  59 0 9720K  296K sleep 0:58  0.01% svc.startd
  6869 root    28  59 0 54M 10M sleep 0:16  0.01% xxxx
  6866 root    58  59 0 41M 8152K sleep 0:57  0.01% xxxx
  5980 root    14  59 0 32M 5312K sleep 0:04  0.01% xxxx
  6798 root    108  59 0 51M 17M sleep 2:19  0.00% xxxx
415 root    1  59 0 1280K  264K sleep 0:05  0.00% utmpd
399 root    4  59 0 4944K  288K sleep 0:12  0.00% inetd
  5714 root    16  59 0 19M 2856K sleep 37:38  0.00% xxxx
  7220 root    72  59 0  167M 58M sleep 18:36  0.00% xxxx
643 root    1  59 0 1832K  576K sleep 11:52  0.00% vvr_stats
11841 root    1  59 0 4960K  840K sleep 4:57  0.00% prstat
   1 root    1  59 0 2416K  392K sleep 4:42  0.00% init
  3951 root    237  59 0 27M 2320K sleep 3:51  0.00% xxxx
142 root    26  59 0 3872K  864K sleep 1:27  0.00% nscd
  5952 root    3  59 0 3928K  976K sleep 0:43  0.00% Cau
  5987 root    33  59 0 45M 14M sleep 0:38  0.00% xxxx
355 root    1  59 0 2312K  240K sleep 0:30  0.00% in.routed
  6903 root    28  59 0 39M 6192K sleep 0:24  0.00% xxxx
  5992 root    44  59 0 58M 10M sleep 0:20  0.00% xxxx
  5971 root    29  59 0 31M 6000K sleep 0:20  0.00% xxxx
  5968 root    31  59 0 37M 5752K sleep 0:12  0.00% xxxx
   9 root    15  59 0 10M  304K sleep 0:12  0.00% svc.configd
50 root    1  59 0 13M  168K sleep 0:11  0.00% vxconfigd
  5972 root    30  59 0 93M 26M sleep 0:10  0.00% xxxx
  1802 root    1  59 0 7664K  528K sleep 0:10  0.00% sendmail
19355 root    1  59 0 8000K  400K sleep 0:10  0.00% dtterm
  6293 root    39  59 0 31M 6008K sleep 0:08  0.00% xxxx
  6010 root    32  59 0 38M 5608K sleep 0:08  0.00% xxxx
  6552 root    30  59 0 62M 5496K sleep 0:08  0.00% xxxx
16352 root    5  59 0 10M  416K sleep 0:08  0.00% dtwm
  5956 root    30  59 0 36M 5360K sleep 0:07  0.00% xxxx
  5998 root    19  59 0 28M 5568K sleep 0:06  0.00% xxxx
  5684 root    38  59 0 51M 4800K sleep 0:05  0.00% lmt_server
515 root    16  59 0 13M  256K sleep 0:05  0.00% fmd
  5963 root    7  59 0 15M  432K sleep 0:03  0.00% xxxx
174 root    3  59 0 2576K  184K sleep 0:03  0.00% vxesd
477 root    2  59 0 5240K  848K sleep 0:02  0.00% automountd
902 root    1  59 0 5312K  280K sleep 0:01  0.00% dtlogin
501 root    13  59 0 3952K 88K sleep 0:01  0.00% syslogd
  5985 root    8  59 0 27M 4104K sleep 0:00  0.00% xxxx
21466 root    1  59 0 1664K 1088K sleep 0:00  0.00% sadc
21464 root    1  59 0 2048K 1064K sleep 0:00  0.00% awk
21463 root    1  59 0 1312K 1000K sleep 0:00  0.00% sh
21465 root    1  59 0 1256K  888K sleep 0:00  0.00% sar
21507 root    1  59 0 1208K  832K sleep 0:00  0.00% sleep
  9384 root    1  59 0 1360K  496K sleep 0:00  0.00% sh
  5981 root    3  59 0 13M  256K sleep 0:00  0.00% xxxx
422 root    1  59 0 2288K 96K sleep 0:00  0.00% ttymon
15529 root    1  59 0 9448K 80K sleep 0:00  0.00% dtlogin
395 root    1  59 0 2008K 80K sleep 0:00  0.00% sac
  1803 smmsp    1  59 0 7632K 72K sleep 0:00  0.00% sendmail
19898 root    1  59 0 7576K 64K sleep 0:00  0.00% dtpad
  1819 root    1  59 0 3016K 56K sleep 0:00  0.00% bash
926 root    1  59 0 1792K 40K sleep 0:00  0.00% fbconsole
  1056 root    1  59 0 9456K 32K sleep 0:00  0.00% smbd
19354 root    1  59 0 3576K 32K sleep 0:00  0.00% dtexec
  1094 root    1  59 0 9376K 8K sleep 0:00  0.00% dtlogin
16346 root    1  59 0 8200K 8K sleep 0:00  0.00% dtsession
16345 root    1  59 0 4888K 8K sleep 0:00  0.00% ttsession
475 root    2  59 0 4848K 8K sleep 0:00  0.00% automountd
138 daemon    3  59 0 4664K 8K sleep 0:00  0.00% kcfd
16315 root    1  59 0 4184K 8K sleep 0:00  0.00% sdt_shell
  2121 root    1  59 0 3728K 8K sleep 0:00  0.00% rpc.ttdbserverd
  9381 root    1  59 0 3656K 8K sleep 0:00  0.00% in.telnetd
23585 root    1  59 0 3576K 8K sleep 0:00  0.00% dtexec
19362 root    1  59 0 3216K 8K sleep 0:00  0.00% bash
23599 root    1  59 0 3016K 8K sleep 0:00  0.00% bash
388 daemon    1  59 0 2800K 8K sleep 0:00  0.00% rpcbind
384 root    1  59 0 2704K 8K sleep 0:00  0.00% cron
391 daemon    1  59 0 2656K 8K sleep 0:00  0.00% statd
111 root    14  59 0 2592K 8K sleep 0:00  0.00% syseventd
907 root    1  59 0 2016K 8K sleep 0:00  0.00% vxcached
850 root    1  59 0 2016K 8K sleep 0:00  0.00% vxcached
  1811 root    1  59 0 1896K 8K sleep 0:00  0.00% vxconfigbackupd
919 root    1  59 0 1896K 8K sleep 0:00  0.00% vxrelocd
849 root    1  59 0 1896K 8K sleep 0:00  0.00% vxrelocd
851 root    1  59 0 1896K 8K sleep 0:00  0.00% vxconfigbackupd
16249 root    1  59 0 1472K 8K sleep 0:00  0.00% Xsession
16318 root    1  59 0 1352K 8K sleep 0:00  0.00% sh
23588 root    1  59 0 1312K 8K sleep 0:00  0.00% sh
10989 root    1  59 0 1312K 8K sleep 0:00  0.00% xxxx
19897 root    1  59 0 1312K 8K sleep 0:00  0.00% sh
11033 root    1  59 0 1312K 8K sleep 0:00  0.00% xxxx
19357 root    1  59 0 1312K 8K sleep 0:00  0.00% sh
  2116 root    1  59 0 1304K 8K sleep 0:00  0.00% rpc-ttdbserverd
  1092 root    1  59 0 9448K 0K sleep 0:00  0.00% smbd
10990 root    1  59 0 9016K 0K sleep 0:00  0.00% backupserver
512 root    1  59 0 3984K 0K sleep 0:00  0.00% sshd
16317 root    1  59 0 2552K 0K sleep 0:00  0.00% dsdm
406 root    1  59 0 2368K 0K sleep 0:00  0.00% ttymon
655 root    1  59 0 2352K 0K sleep 0:00  0.00% in.vxrsyncd
920 root    1  59 0 2080K 0K sleep 0:00  0.00% vxnotify
  1812 root    1  59 0 2080K 0K sleep 0:00  0.00% vxnotify
908 root    1  59 0 2080K 0K sleep 0:00  0.00% vxnotify
402 daemon    2  60  -20 2384K 8K sleep 0:00  0.00% lockd

使用prstat查看系统内存占用如下：
last pid: 21507;  load avg:  0.68,  0.62,  0.59;    up 4+21:13:39 15:07:53
131 processes: 128 sleeping, 1 zombie, 2 on cpu
CPU states: 69.9% idle,  6.3% user, 23.8% kernel,  0.0% iowait,  0.0% swap
Memory: 2048M phys mem, 30M free mem, 9500M total swap, 7744M free swap

PID USERNAME LWP PRI NICE  SIZE RES STATE TIME CPU COMMAND
11034 root    23  51 0  921M 53M cpu/1  183:38 12.95% dataserver
  6831 root    86  59 0  135M 62M sleep 27:26  1.58% xxxx
21485 root    1  59 0 2976K 1720K cpu/0 0:00  0.80% top
  5696 root    12  59 0 16M 6512K sleep 10:52  0.79% xxxx
  6013 root    146  59 0  221M  112M sleep 8:40  0.70% xxxx
  6557 root    90  59 0  161M 93M sleep 7:32  0.61% xxxx
  6882 root    75  59 0 60M 8016K sleep 0:48  0.25% xxxx
  9030 root    27  59 0 78M 45M sleep 2:19  0.24% xxxx
  6905 root    43  59 0 56M 27M sleep 0:57  0.10% xxxx
  6291 root    35  59 0 63M 31M sleep 3:10  0.09% xxxx
  6914 root    27  59 0 57M 14M sleep 0:56  0.09% xxxx
  6902 root    164  59 0 70M 27M sleep 1:32  0.08% xxxx
708 root    23  29 10 82M 23M sleep 14:22  0.08% java
598 root    1  59 0 5288K  968K sleep 8:34  0.07% vradmind
  7218 root    80  59 0  132M 52M sleep 10:38  0.07% xxxx
  6901 root    111  59 0  140M 80M sleep 7:14  0.06% xxxx
  6003 root    55  59 0 40M 7128K sleep 0:59  0.06% xxxx
  6904 root    43  59 0 36M 7312K sleep 1:15  0.06% xxxx
  6913 root    63  59 0 58M 11M sleep 0:55  0.05% xxxx
  6887 root    55  59 0 85M 20M sleep 4:54  0.05% xxxx
  6910 root    69  59 0 74M 19M sleep 1:03  0.04% xxxx
14248 root    49  59 0  212M 64M sleep 1:58  0.04% xxxx
16394 root    1  59 0 8120K 1136K sleep 0:48  0.03% sdtperfmeter
  6115 root    40  29 10 81M 22M sleep 1:42  0.03% java
532 root    42  59 0 77M 4768K sleep 3:05  0.03% vxsvc
23586 root    1  59 0 8240K  800K sleep 0:43  0.03% dtterm
16399 root    1  59 0 2216K  608K sleep 0:54  0.03% rpc.rstatd
  6861 root    70  59 0 76M 18M sleep 1:22  0.02% xxxx
  1392 root    1  59 0 11M  504K sleep 2:02  0.02% dtgreet
  6876 root    74  59 0 44M 11M sleep 0:19  0.02% xxxx
  6871 root    52  59 0 47M 12M sleep 1:05  0.02% xxxx
931 root    1  59 0 78M  768K sleep 1:53  0.02% Xsun
  5919 root    16  59 0 27M 5848K sleep 0:11  0.01% xxxx
  1096 root    1  59 0 6832K  672K sleep 0:10  0.01% nmbd
131 root    10  59 0 3784K  240K sleep 1:39  0.01% picld
   7 root    13  59 0 9720K  296K sleep 0:58  0.01% svc.startd
  6869 root    28  59 0 54M 10M sleep 0:16  0.01% xxxx
  6866 root    58  59 0 41M 8152K sleep 0:57  0.01% xxxx
  5980 root    14  59 0 32M 5312K sleep 0:04  0.01% xxxx
  6798 root    108  59 0 51M 17M sleep 2:19  0.00% xxxx
415 root    1  59 0 1280K  264K sleep 0:05  0.00% utmpd
399 root    4  59 0 4944K  288K sleep 0:12  0.00% inetd
  5714 root    16  59 0 19M 2856K sleep 37:38  0.00% xxxx
  7220 root    72  59 0  167M 58M sleep 18:36  0.00% xxxx
643 root    1  59 0 1832K  576K sleep 11:52  0.00% vvr_stats
11841 root    1  59 0 4960K  840K sleep 4:57  0.00% prstat
   1 root    1  59 0 2416K  392K sleep 4:42  0.00% init
  3951 root    237  59 0 27M 2320K sleep 3:51  0.00% xxxx
142 root    26  59 0 3872K  864K sleep 1:27  0.00% nscd
  5952 root    3  59 0 3928K  976K sleep 0:43  0.00% Cau
  5987 root    33  59 0 45M 14M sleep 0:38  0.00% xxxx
355 root    1  59 0 2312K  240K sleep 0:30  0.00% in.routed
  6903 root    28  59 0 39M 6192K sleep 0:24  0.00% xxxx
  5992 root    44  59 0 58M 10M sleep 0:20  0.00% xxxx
  5971 root    29  59 0 31M 6000K sleep 0:20  0.00% xxxx
  5968 root    31  59 0 37M 5752K sleep 0:12  0.00% xxxx
   9 root    15  59 0 10M  304K sleep 0:12  0.00% svc.configd
50 root    1  59 0 13M  168K sleep 0:11  0.00% vxconfigd
  5972 root    30  59 0 93M 26M sleep 0:10  0.00% xxxx
  1802 root    1  59 0 7664K  528K sleep 0:10  0.00% sendmail
19355 root    1  59 0 8000K  400K sleep 0:10  0.00% dtterm
  6293 root    39  59 0 31M 6008K sleep 0:08  0.00% xxxx
  6010 root    32  59 0 38M 5608K sleep 0:08  0.00% xxxx
  6552 root    30  59 0 62M 5496K sleep 0:08  0.00% xxxx
16352 root    5  59 0 10M  416K sleep 0:08  0.00% dtwm
  5956 root    30  59 0 36M 5360K sleep 0:07  0.00% xxxx
  5998 root    19  59 0 28M 5568K sleep 0:06  0.00% xxxx
  5684 root    38  59 0 51M 4800K sleep 0:05  0.00% lmt_server
515 root    16  59 0 13M  256K sleep 0:05  0.00% fmd
  5963 root    7  59 0 15M  432K sleep 0:03  0.00% xxxx
174 root    3  59 0 2576K  184K sleep 0:03  0.00% vxesd
477 root    2  59 0 5240K  848K sleep 0:02  0.00% automountd
902 root    1  59 0 5312K  280K sleep 0:01  0.00% dtlogin
501 root    13  59 0 3952K 88K sleep 0:01  0.00% syslogd
  5985 root    8  59 0 27M 4104K sleep 0:00  0.00% xxxx
21466 root    1  59 0 1664K 1088K sleep 0:00  0.00% sadc
21464 root    1  59 0 2048K 1064K sleep 0:00  0.00% awk
21463 root    1  59 0 1312K 1000K sleep 0:00  0.00% sh
21465 root    1  59 0 1256K  888K sleep 0:00  0.00% sar
21507 root    1  59 0 1208K  832K sleep 0:00  0.00% sleep
  9384 root    1  59 0 1360K  496K sleep 0:00  0.00% sh
  5981 root    3  59 0 13M  256K sleep 0:00  0.00% xxxx
422 root    1  59 0 2288K 96K sleep 0:00  0.00% ttymon
15529 root    1  59 0 9448K 80K sleep 0:00  0.00% dtlogin
395 root    1  59 0 2008K 80K sleep 0:00  0.00% sac
  1803 smmsp    1  59 0 7632K 72K sleep 0:00  0.00% sendmail
19898 root    1  59 0 7576K 64K sleep 0:00  0.00% dtpad
  1819 root    1  59 0 3016K 56K sleep 0:00  0.00% bash
926 root    1  59 0 1792K 40K sleep 0:00  0.00% fbconsole
  1056 root    1  59 0 9456K 32K sleep 0:00  0.00% smbd
19354 root    1  59 0 3576K 32K sleep 0:00  0.00% dtexec
  1094 root    1  59 0 9376K 8K sleep 0:00  0.00% dtlogin
16346 root    1  59 0 8200K 8K sleep 0:00  0.00% dtsession
16345 root    1  59 0 4888K 8K sleep 0:00  0.00% ttsession
475 root    2  59 0 4848K 8K sleep 0:00  0.00% automountd
138 daemon    3  59 0 4664K 8K sleep 0:00  0.00% kcfd
16315 root    1  59 0 4184K 8K sleep 0:00  0.00% sdt_shell
  2121 root    1  59 0 3728K 8K sleep 0:00  0.00% rpc.ttdbserverd
  9381 root    1  59 0 3656K 8K sleep 0:00  0.00% in.telnetd
23585 root    1  59 0 3576K 8K sleep 0:00  0.00% dtexec
19362 root    1  59 0 3216K 8K sleep 0:00  0.00% bash
23599 root    1  59 0 3016K 8K sleep 0:00  0.00% bash
388 daemon    1  59 0 2800K 8K sleep 0:00  0.00% rpcbind
384 root    1  59 0 2704K 8K sleep 0:00  0.00% cron
391 daemon    1  59 0 2656K 8K sleep 0:00  0.00% statd
111 root    14  59 0 2592K 8K sleep 0:00  0.00% syseventd
907 root    1  59 0 2016K 8K sleep 0:00  0.00% vxcached
850 root    1  59 0 2016K 8K sleep 0:00  0.00% vxcached
  1811 root    1  59 0 1896K 8K sleep 0:00  0.00% vxconfigbackupd
919 root    1  59 0 1896K 8K sleep 0:00  0.00% vxrelocd
849 root    1  59 0 1896K 8K sleep 0:00  0.00% vxrelocd
851 root    1  59 0 1896K 8K sleep 0:00  0.00% vxconfigbackupd
16249 root    1  59 0 1472K 8K sleep 0:00  0.00% Xsession
16318 root    1  59 0 1352K 8K sleep 0:00  0.00% sh
23588 root    1  59 0 1312K 8K sleep 0:00  0.00% sh
10989 root    1  59 0 1312K 8K sleep 0:00  0.00% xxxx
19897 root    1  59 0 1312K 8K sleep 0:00  0.00% sh
11033 root    1  59 0 1312K 8K sleep 0:00  0.00% xxxx
19357 root    1  59 0 1312K 8K sleep 0:00  0.00% sh
  2116 root    1  59 0 1304K 8K sleep 0:00  0.00% rpc-ttdbserverd
  1092 root    1  59 0 9448K 0K sleep 0:00  0.00% smbd
10990 root    1  59 0 9016K 0K sleep 0:00  0.00% backupserver
512 root    1  59 0 3984K 0K sleep 0:00  0.00% sshd
16317 root    1  59 0 2552K 0K sleep 0:00  0.00% dsdm
406 root    1  59 0 2368K 0K sleep 0:00  0.00% ttymon
655 root    1  59 0 2352K 0K sleep 0:00  0.00% in.vxrsyncd
920 root    1  59 0 2080K 0K sleep 0:00  0.00% vxnotify
  1812 root    1  59 0 2080K 0K sleep 0:00  0.00% vxnotify
908 root    1  59 0 2080K 0K sleep 0:00  0.00% vxnotify
402 daemon    2  60  -20 2384K 8K sleep 0:00  0.00% lockd

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race

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论坛徽章:: 0

2楼 [报告]

发表于 2007-11-13 16:12 |只看该作者

solaris的剩余内存总是很少，接近0

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