Topコマンドあれこれ
windowsのタスクマネージャと同等な情報を得るには？
2013y07m09d_000838265.png

top†

プロセスの負荷状況とか経過時間が見られる。あとswapとか実メモリの使用量など

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top - 16:52:54 up 16 min,  1 user,  load average: 0.02, 0.03, 0.02
Tasks:  96 total,   1 running,  95 sleeping,   0 stopped,   0 zombie
Cpu0  :  0.2%us,  0.1%sy,  0.0%ni, 99.5%id,  0.2%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu1  :  0.1%us,  0.1%sy,  0.0%ni, 99.6%id,  0.3%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu2  :  0.1%us,  0.1%sy,  0.0%ni, 99.5%id,  0.4%wa,  0.0%hi,  0.0%si,  0.0%st
Cpu3  :  0.2%us,  0.1%sy,  0.0%ni, 99.4%id,  0.3%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:  16360912k total,   371368k used, 15989544k free,    22992k buffers
Swap: 16777212k total,        0k used, 16777212k free,   237832k cached
 
  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
 1781 root      20   0 15072 1204  912 R  2.8  0.0   0:00.01 top
    1 root      20   0 19276 1508 1224 S  0.0  0.0   0:00.36 init
    2 root      20   0     0    0    0 S  0.0  0.0   0:00.00 kthreadd
    3 root      20   0     0    0    0 S  0.0  0.0   0:00.00 ksoftirqd/0
    5 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 kworker/0:0H
    7 root      RT   0     0    0    0 S  0.0  0.0   0:00.01 migration/0
    8 root      20   0     0    0    0 S  0.0  0.0   0:00.00 rcu_bh
    9 root      20   0     0    0    0 S  0.0  0.0   0:00.06 rcu_sched
↑

cpupowerutils†

haswell cpuのc6/c7の状況を示します。

[root@s ~]# yum install cpupowerutils
[root@s ~]# turbostat
cor CPU    %c0  GHz  TSC SMI    %c1    %c3    %c6    %c7 CTMP PTMP   %pc2   %pc3   %pc6   %pc7  Pkg_W  Cor_W GFX_W
          0.03 0.80 3.49   0   0.07   0.01   0.00  99.89   24   25  99.66   0.00   0.00   0.00   5.44   0.00  0.00
  0   0   0.10 0.80 3.49   0   0.09   0.01   0.00  99.80   23   25  99.66   0.00   0.00   0.00   5.44   0.00  0.00
  0   4   0.02 0.80 3.49   0   0.16
  1   1   0.04 0.80 3.49   0   0.04   0.01   0.00  99.92   23
  1   5   0.01 0.80 3.49   0   0.07
  2   2   0.02 0.80 3.49   0   0.04   0.00   0.00  99.94   24
  2   6   0.02 0.80 3.49   0   0.04
  3   3   0.04 0.80 3.49   0   0.05   0.00   0.01  99.91   19
  3   7   0.03 0.80 3.49   0   0.06
[root@s ~]#
↑

i7z†

[root@s ~]# cd /opt/src/
[root@s src]# git clone git://github.com/ajaiantilal/i7z.git
Initialized empty Git repository in /opt/src/i7z/.git/
remote: Reusing existing pack: 589, done.
remote: Total 589 (delta 0), reused 0 (delta 0)
Receiving objects: 100% (589/589), 1.41 MiB | 272 KiB/s, done.
Resolving deltas: 100% (350/350), done.
[root@s src]#
[root@s src]# cd i7z/
[root@s i7z]# ls -CF
COPYING            README.txt          i7z.h                i7z_rw_registers.rb
GUI/               cpuinfo.c           i7z_32bit*           perfmon-i7z/
MAKEDEV-cpuid-msr  doc/                i7z_64bit*           put_cores_offline.sh
Makefile           helper_functions.c  i7z_Dual_Socket.c    put_cores_online.sh
README.md          i7z.c               i7z_Single_Socket.c  test-scripts/
[root@s i7z]# ./i7z_64bit
Cpu speed from cpuinfo 3491.00Mhz
cpuinfo might be wrong if cpufreq is enabled. To guess correctly try estimating via tsc
Linux's inbuilt cpu_khz code emulated now
True Frequency (without accounting Turbo) 3491 MHz
  CPU Multiplier 35x || Bus clock frequency (BCLK) 99.74 MHz
 
Socket [0] - [physical cores=4, logical cores=8, max online cores ever=4]
  TURBO ENABLED on 4 Cores, Hyper Threading ON
  True Frequency 3590.74 MHz (99.74 x [36])
  Max TURBO Multiplier (if Enabled) with 1/2/3/4 Cores is  39x/39x/38x/37x
  Current Frequency 798.30 MHz [99.74 x 8.00] (Max of below)
        Core [core-id]  :Actual Freq (Mult.)      C0%   Halt(C1)%  C3 %   C6 %  Temp
        Core 1 [0]:       798.30 (8.00x)           1      99       1       0    24
        Core 2 [1]:       785.65 (7.88x)           1     100       0       0    23
        Core 3 [2]:       797.92 (8.00x)           1     100       0       0    25
        Core 4 [3]:       797.86 (8.00x)           1     100       0       0    21
 
 
 
C0 = Processor running without halting
C1 = Processor running with halts (States >C0 are power saver)
C3 = Cores running with PLL turned off and core cache turned off
C6 = Everything in C3 + core state saved to last level cache
  Above values in table are in percentage over the last 1 sec
[core-id] refers to core-id number in /proc/cpuinfo
[root@s i7z]#
↑

iftop†

yum --enablerepo=epel install iftop
インターフェイスのtopコマンド
どのサイトからどんだけのスピード(bps)でどの方向でデータが転送されているかを示す。

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                  12.5kb            25.0kb            37.5kb            50.0kb      62.5kb
-------------------------------------------------------------------------------------------
c8.chaperone.jp                 => c.chaperone.jp                  1.66kb  2.48kb  2.48kb
                                <=                                  416b    675b    675b
↑

iotop†

ディスクへの書き込み・読み込みを図るみたい。

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Total DISK READ: 149.17 K/s | Total DISK WRITE: 39.25 K/s
  TID  PRIO  USER     DISK READ  DISK WRITE  SWAPIN     IO>    COMMAND
13824 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % as -Qy --64 -o security/keys/.tmp_request_key.o -
    1 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % init
    2 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [kthreadd]

下記はpt2を使っていた時

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Total DISK READ: 0.00 B/s | Total DISK WRITE: 0.00 B/s
  TID  PRIO  USER     DISK READ  DISK WRITE  SWAPIN     IO>    COMMAND
 1387 be/4 root        0.00 B/s 1615.11 K/s  0.00 %  0.00 % recpt1 (中略) /video/6ch.ts
 1390 be/4 root        0.00 B/s 1827.32 K/s  0.00 %  0.00 % recpt1 (中略) /video/1ch.ts
 1395 be/4 root        0.00 B/s 1839.11 K/s  0.00 %  0.00 % recpt1 (中略) /video/4ch.ts
 1398 be/4 root        0.00 B/s 1650.48 K/s  0.00 %  0.00 % recpt1 (中略) /video/5ch.ts
    1 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % init
↑

virt-top†

yum --enablerepo=epel install virt-top

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virt-top 19:15:25 - x86_64 4/4CPU 1197MHz 15977MB
1 domains, 1 active, 1 running, 0 sleeping, 0 paused, 0 inactive D:0 O:0 X:0
CPU: 5.6%  Mem: 4096 MB (ゲストによる 4096 MB)
 
   ID S RDRQ WRRQ RXBY TXBY %CPU %MEM    TIME   NAME
    7 R    0    0   2M  55K  5.6 25.0   0:23.91 c
↑

powertop†

yum install powertop

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     PowerTOP version 1.11      (C) 2007 Intel Corporation
 
Cステイト         平均滞在時間          Pステイト (周波数)
C0 (CPU動作状態)        ( 0.0%)
ポーリング      C1 mwait          0.0ms ( 0.0%)
C1 mwait          0.0ms ( 0.0%)
C2 mwait          0.9ms ( 0.1%)
C3 mwait        152.6ms (100.0%)
↑

atop†

topの詳細版な感じ？

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ATOP - c8            2013/07/07  17:06:08            ---------              30m12s elapsed
PRC |  sys    3.41s  |  user   0.63s  |  #proc    104  |  #zombie    0  |  #exit      0  |
CPU |  sys       2%  |  user     20%  |  irq       0%  |  idle    376%  |  wait      1%  |
cpu |  sys       1%  |  user      5%  |  irq       0%  |  idle     94%  |  cpu003 w  0%  |
cpu |  sys       1%  |  user      5%  |  irq       0%  |  idle     94%  |  cpu001 w  0%  |
cpu |  sys       1%  |  user      5%  |  irq       0%  |  idle     94%  |  cpu000 w  0%  |
cpu |  sys       1%  |  user      5%  |  irq       0%  |  idle     94%  |  cpu002 w  0%  |
CPL |  avg1    0.18  |  avg5    0.50  |  avg15   0.42  |  csw   615249  |  intr  618109  |
MEM |  tot    15.6G  |  free   14.7G  |  cache 682.6M  |  buff   59.9M  |  slab   61.4M  |
SWP |  tot    16.0G  |  free   16.0G  |                |  vmcom 150.7M  |  vmlim  23.8G  |
DSK |           sda  |  busy      2%  |  read   24136  |  write   5034  |  avio 1.52 ms  |
DSK |           sdc  |  busy      0%  |  read     347  |  write      0  |  avio 2.78 ms  |
DSK |           sdb  |  busy      0%  |  read     363  |  write      0  |  avio 1.29 ms  |
DSK |           sdd  |  busy      0%  |  read     363  |  write      0  |  avio 1.06 ms  |
NET |  transport     |  tcpi    5236  |  tcpo    4703  |  udpi     165  |  udpo     165  |
NET |  network       |  ipi     5434  |  ipo     4877  |  ipfrw      0  |  deliv   5434  |
NET |  eth0      0%  |  pcki    9053  |  pcko    4903  |  si   33 Kbps  |  so    2 Kbps  |
                      *** system and process activity since boot ***
  PID  THR  SYSCPU  USRCPU  VGROW  RGROW  RDDSK  WRDSK ST EXC S CPUNR  CPU CMD         1/7
    9    1   0.57s   0.00s     0K     0K     0K     0K N-   - S     0   0% rcu_sched
   38    1   0.38s   0.00s     0K     0K     0K     0K N-   - S     1   0% kworker/1:1
    1    1   0.34s   0.03s 19276K  1508K 51049K   136K N-   - S     0   0% init
 1182    1   0.37s   0.00s     0K     0K     0K     0K N-   - S     0   0% kworker/0:2
↑

ftop†

プロセスとファイルとの関係図を表示
yum --enablerepo=epel install ftop

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Sun Jul  7 17:07:49 2013                                                         ftop 1.0
Processes:  34 total, 0 unreadable                        Press h for help, o for options
Open Files: 17 regular, 4 dir, 117 chr, 0 blk, 19 pipe, 99 sock, 15 misc
 
_  PID    #FD  USER      COMMAND
-- 360    10   root      /sbin/udevd -d
|  +- 3    -rw  --      389/389      /dev/.udev/queue.bin
-- 1422   7    root      auditd
|  +- 5    --W  --   409174/409174   /var/log/audit/audit.log
-- 1438   4    root      /sbin/rsyslogd -i /var/run/syslogd.pid -c 5
|  +- out  --W  --    21114/21114    /var/log/secure
|  +- 3    -r-  --        0/0        /proc/kmsg
|  +- 4    --W  --   545551/545551   /var/log/messages
-- 1533   10   rpcuser   rpc.statd
|  +- 6    --w  --        5/5        /var/run/rpc.statd.pid
-- 1709   7    root      /usr/sbin/xrdp-sesman
|  +- 3    --W  --      673/673      /var/log/xrdp-sesman.log
-- 1771   10   root      /usr/sbin/packagekitd
|  +- 9    -rw  --     8192/8192     /var/lib/PackageKit/transactions.db
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Last-modified: 2014-03-09 (日) 17:25:19