[20210218]shared latch spin count 6.txt

--//測試遇到的情況,顛覆我對一些問題的理解:
--//連結:[20210218]shared latch spin count 5.txt ->http://blog.itpub.net/267265/viewspace-2757533/

1.環境:
SYS@book> @ ver1
PORT_STRING                    VERSION        BANNER
------------------------------ -------------- --------------------------------------------------------------------------------
x86_64/Linux 2.4.xx            11.2.0.4.0     Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production

SYS@book> show parameter cpu_count
NAME      TYPE    VALUE
--------- ------- ------
cpu_count integer 3

SYS@book> @ hide _disable_cpu_check
NAME               DESCRIPTION             DEFAULT_VALUE          SESSION_VALUE          SYSTEM_VALUE           ISSES ISSYS_MOD
------------------ ----------------------- ---------------------- ---------------------- ---------------------- ----- ---------
_disable_cpu_check disable cpu_count check TRUE                   FALSE                  FALSE                  FALSE FALSE

--//雖然定義cpu_count=3,而實際上可以使用全部CPU資源. _disable_cpu_check=false

$ cat peek.sh
#! /bib/bash
# 引數如下:latch_name Monitoring_duration or laddr
sqlplus -s -l / as sysdba <<EOF
col laddr new_value laddr
SELECT sysdate,addr laddr FROM v\$latch_parent WHERE NAME='$1';
oradebug setmypid
$(seq $2|xargs -I{} echo -e 'oradebug peek 0x&laddr 60\nhost sleep 1' )
EOF

$ cat i6.sh
#! /bin/bash
zdate=$(date '+%H%M%S')
echo $zdate
source peek.sh 'gcs partitioned table hash' 1500 | timestamp.pl >| /tmp/peeks_${zdate}.txt &
#seq 10 | xargs -I{} echo -e 'sqlplus -s -l / as sysdba <<< @latch_free\nsleep 1' | bash >| /tmp/latch_free_${zdate}.txt &
sleep 1
# 引數如下: @ latch.txt latch_name willing why where mode sleep_num
#seq 1500 | xargs -I {} -P 100 taskset 000001 sqlplus -s -l / as sysdba @ shared_latch.txt 'gcs partitioned table hash' 1 4 {} s 0.01 > /dev/null
#seq 1500 | xargs -I {} -P 150 taskset 00000e sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
#seq 1500 | xargs -I {} -P 150 taskset 00000f sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
seq 1500 | xargs -I {} -P 150 sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
#seq 1500 | xargs -I {} -P 150 taskset 000010 sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
#seq 1500 | xargs -I {} -P 150 taskset 000ff0 sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
wait

$ uniq -c 10000.txt
      1 set feedback off
      1 set term off
      1 oradebug setmypid
10000 @ shared_latch_new.txt
      1 set term on
      1 set feedback on

2.測試:
--//當前執行的是
seq 1500 | xargs -I {} -P 150 sqlplus -s -l / as sysdba @ 10000.txt > /dev/null

$ vmstat 1 100 -w | ts.awk
[2021-02-18 16:29:46] procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
[2021-02-18 16:29:46] r b       swpd       free       buff      cache   si   so    bi    bo   in   cs us sy id wa st
[2021-02-18 16:29:46] 10 1          0 117996440     444484    9817376    0    0     0     6    1    1   0 0 100 0 0
[2021-02-18 16:29:47] 7 0          0 117987720     444488    9821364    0    0     0     0 47339 71753 29 14 57 0 0
[2021-02-18 16:29:48] 15 0          0 117984864     444500    9824152    0    0     0 7352 48265 67567 30 14 56 0 0
[2021-02-18 16:29:49] 13 0          0 117981272     445008    9827464    0    0     0   128 51145 81676 29 13 57 0 0
[2021-02-18 16:29:50] 19 0          0 117977808     445008    9830736    0    0     0     0 49596 74999 30 14 56 0 0
[2021-02-18 16:29:51] 10 0          0 117974144     445008    9834216    0    0     0     4 49030 76347 30 14 56 0 0
[2021-02-18 16:29:52] 6 0          0 117970928     445008    9837668    0    0     0 15800 49340 74265 29 14 57 0 0
[2021-02-18 16:29:53] 2 0          0 117967840     445012    9840528    0    0     0 5300 50850 73700 30 15 54 0 0
[2021-02-18 16:29:54] 12 0          0 117963536     445012    9843716    0    0     0    60 48143 70862 30 15 55 0 0
[2021-02-18 16:29:55] 6 0          0 117961568     445012    9846800    0    0     0     0 49128 74693 30 13 57 0 0
^C
--//同時可以執行的程式很少.

3.測試:
--//當前執行的是
seq 1500 | xargs -I {} -P 150 taskset 000010 sqlplus -s -l / as sysdba @ 10000.txt > /dev/null

--//相當於僅僅使用1個cpu.
$ vmstat 1 100 -w | ts.awk
[2021-02-18 16:32:04] procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
[2021-02-18 16:32:04] r b       swpd       free       buff      cache   si   so    bi    bo   in   cs us sy id wa st
[2021-02-18 16:32:04] 1 0          0 118909432     445092    9984592    0    0     0     6    1    1   0 0 100 0 0
[2021-02-18 16:32:05] 0 0          0 118907400     445092    9984592    0    0     0     0 1244 2123   0 0 100 0 0
[2021-02-18 16:32:06] 1 0          0 118904792     445092    9984592    0    0     0     0 6132 8665   1 2 97 0 0
[2021-02-18 16:32:07] 152 87          0 118555368     445096    9984652    0    0     0     4 7929 10653   2 4 93 1 0
[2021-02-18 16:32:08] 72 0          0 118288712     445096    9984652    0    0     0     0 3129 2703   4 3 94 0 0
[2021-02-18 16:32:09] 140 0          0 118114048     445096    9984660    0    0     0     0 2645 2854   2 1 97 0 0
[2021-02-18 16:32:10] 154 0          0 118034048     445096    9984660    0    0     0     0 2726 2587   5 1 95 0 0
[2021-02-18 16:32:11] 150 0          0 117923296     445096    9984676    0    0     0     0 2877 3547   5 1 94 0 0
[2021-02-18 16:32:12] 151 0          0 117839456     445128    9985820    0    0     0   116 6463 13200   3 1 96 0 0
[2021-02-18 16:32:13] 150 0          0 117827832     445136    9986712    0    0     0 2240 9788 22660   3 1 96 0 0
[2021-02-18 16:32:14] 151 0          0 117825520     445136    9987592    0    0     0     8 10425 23113   4 2 94 0 0
[2021-02-18 16:32:15] 150 0          0 117824512     445136    9988248    0    0     0     0 10397 23200   5 2 92 0 0
[2021-02-18 16:32:16] 150 0          0 117824488     445136    9989064    0    0     0     4 10604 23294   3 1 95 0 0
[2021-02-18 16:32:17] 150 0          0 117823272     445136    9989960    0    0     0   108 10420 23307   3 1 96 0 0
[2021-02-18 16:32:18] 150 0          0 117822552     445140    9990660    0    0     0 5824 10887 23355   4 2 94 0 0
[2021-02-18 16:32:19] 151 0          0 117821792     445140    9991432    0    0     0 1448 10591 23299   4 2 94 0 0
[2021-02-18 16:32:20] 152 0          0 117821312     445304    9992276    0    0     0    44 10283 23321   4 2 94 0 0
^C
--//可以發現可以並行150個程式.

top - 16:33:44 up 7 days, 23:09, 2 users, load average: 59.97, 23.93, 16.48
Tasks: 537 total, 150 running, 386 sleeping,   0 stopped,   0 zombie
Cpu0 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 0.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 74.3%us, 25.7%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~僅僅1個cpu很忙.
Cpu5 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 5.6%us, 7.3%sy, 0.0%ni, 87.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu8 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu9 : 0.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu10 : 0.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu11 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu12 : 0.7%us, 0.0%sy, 0.0%ni, 99.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu13 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu14 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu15 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu16 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu17 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu18 : 0.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu19 : 4.7%us, 10.0%sy, 0.0%ni, 85.4%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu20 : 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu21 : 0.3%us, 0.7%sy, 0.0%ni, 99.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu22 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu23 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 132261196k total, 14467816k used, 117793380k free,   445944k buffers
Swap: 31455264k total,        0k used, 31455264k free, 10019668k cached

3.測試:
--//當前執行的是
seq 1500 | xargs -I {} -P 150 taskset 000ff0 sqlplus -s -l / as sysdba @ 10000.txt > /dev/null

$ vmstat 1 100 -w | ts.awk
[2021-02-18 16:39:40] procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
[2021-02-18 16:39:40] r b       swpd       free       buff      cache   si   so    bi    bo   in   cs us sy id wa st
[2021-02-18 16:39:40] 50 0          0 117100384     450244   10661900    0    0     0 1092 65601 132577 26 14 60 0 0
[2021-02-18 16:39:41] 25 0          0 117085856     450244   10667672    0    0     0 3088 65087 131536 22 12 67 0 0
[2021-02-18 16:39:42] 80 0          0 117093952     450244   10673436    0    0     0 6300 63522 129667 20 11 70 0 0
[2021-02-18 16:39:43] 70 0          0 117066304     450244   10679244    0    0     0 6620 64842 130079 24 13 63 0 0
[2021-02-18 16:39:44] 33 0          0 117054176     450252   10685552    0    0     0 15120 66144 130615 23 12 65 0 0
[2021-02-18 16:39:45] 28 0          0 117086032     450252   10690556    0    0     0   672 64026 128290 23 12 65 0 0
[2021-02-18 16:39:46] 23 0          0 117047936     450252   10697524    0    0     0 2748 67426 135191 23 13 64 0 0
[2021-02-18 16:39:47] 16 0          0 117047800     450252   10703340    0    0     0 4364 65730 131386 23 13 64 0 0
[2021-02-18 16:39:48] 18 0          0 117058352     450252   10708476    0    0     0 7776 63156 127241 27 14 60 0 0
[2021-02-18 16:39:49] 64 0          0 117040384     450252   10714688    0    0     0 16492 66459 130785 22 12 66 0 0
[2021-02-18 16:39:50] 25 0          0 117031312     450252   10720520    0    0     0   796 63195 130624 21 11 67 0 0
[2021-02-18 16:39:51] 55 0          0 117016536     450252   10726868    0    0     0 1632 64217 129030 26 14 60 0 0
[2021-02-18 16:39:52] 46 0          0 117033040     450252   10730824    0    0     0 3764 64339 128065 25 13 62 0 0

top - 16:40:43 up 7 days, 23:16, 2 users, load average: 101.01, 55.58, 32.68
Tasks: 537 total, 155 running, 381 sleeping,   0 stopped,   0 zombie
Cpu0 : 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu1 : 24.3%us, 69.4%sy, 0.0%ni, 6.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu2 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu4 : 69.2%us, 30.8%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu5 : 68.5%us, 31.5%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu6 : 69.2%us, 30.8%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu7 : 70.4%us, 29.6%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu8 : 68.9%us, 31.1%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu9 : 71.9%us, 28.1%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu10 : 69.5%us, 30.5%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu11 : 69.4%us, 30.6%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu12 : 0.3%us, 0.3%sy, 0.0%ni, 97.7%id, 1.7%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu13 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu14 : 0.3%us, 0.3%sy, 0.0%ni, 99.3%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu15 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu16 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu17 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu18 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu19 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu20 : 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu21 : 38.4%us, 15.8%sy, 0.0%ni, 45.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu22 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Cpu23 : 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 132261196k total, 15700152k used, 116561044k free,   452408k buffers
Swap: 31455264k total,        0k used, 31455264k free, 11230608k cached
--//僅僅cpu4-cpu11 很忙.
--//也就是cpu越少,反而不容易出現阻塞.

4.我寫一個指令碼驗證這個測試:
$ uniq -c 10000.txt
      1 set feedback off
      1 set term off
      1 oradebug setmypid
   1000 @ shared_latch_new.txt
      1 set term on
      1 set feedback on
--//每次呼叫1000次.

$ cat i7.sh
#! /bin/bash
for i in $(echo f ff fff ffff fffff ffffff)
do
        echo $(date +"%Y/%m/%d %T") $i
        echo $(date +"%Y/%m/%d %T") $i start >> /tmp/vmstat.txt
        seq 150 | xargs -I {} -P 150 taskset $i sqlplus -s -l / as sysdba @ 10000.txt > /dev/null &
        wait
        echo $(date +"%Y/%m/%d %T") $i end >> /tmp/vmstat.txt
done

$ . i7.sh
2021/02/18 17:18:11 f
[1]+ Done                    seq 150 | xargs -I {} -P 150 taskset $i sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
2021/02/18 17:18:26 ff
[1]+ Done                    seq 150 | xargs -I {} -P 150 taskset $i sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
2021/02/18 17:18:38 fff
[1]+ Done                    seq 150 | xargs -I {} -P 150 taskset $i sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
2021/02/18 17:18:49 ffff
[1]+ Done                    seq 150 | xargs -I {} -P 150 taskset $i sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
2021/02/18 17:19:00 fffff
[1]+ Done                    seq 150 | xargs -I {} -P 150 taskset $i sqlplus -s -l / as sysdba @ 10000.txt > /dev/null
2021/02/18 17:19:09 ffffff
[1]+ Done                    seq 150 | xargs -I {} -P 150 taskset $i sqlplus -s -l / as sysdba @ 10000.txt > /dev/null

$ cat /tmp/vmstat.txt
2021/02/18 17:18:11 f start
2021/02/18 17:18:26 f end
2021/02/18 17:18:26 ff start
2021/02/18 17:18:38 ff end
2021/02/18 17:18:38 fff start
2021/02/18 17:18:49 fff end
2021/02/18 17:18:49 ffff start
2021/02/18 17:19:00 ffff end
2021/02/18 17:19:00 fffff start
2021/02/18 17:19:09 fffff end
2021/02/18 17:19:09 ffffff start
2021/02/18 17:19:31 ffffff end
--//對比時間的使用 15 12 11 11 9 22.

$ vmstat 1 -w | ts.awk
[2021-02-18 17:18:16] procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
[2021-02-18 17:18:16] r b       swpd       free       buff      cache   si   so    bi    bo   in   cs us sy id wa st
[2021-02-18 17:18:16] 152 0          0 115160432     476064   12777052    0    0     0     6    2    0   0 0 100 0 0
[2021-02-18 17:18:17] 153 16          0 115154608     476064   12780736    0    0     0 19512 29285 71906 19 9 72 0 0
[2021-02-18 17:18:18] 152 0          0 115156432     476064   12784956    0    0     0 1924 27152 82862 10 5 84 1 0
[2021-02-18 17:18:19] 150 0          0 115158176     476064   12789884    0    0     0 8964 29669 93027 19 11 70 0 0
[2021-02-18 17:18:20] 151 0          0 115159872     476064   12795252    0    0     0     0 29477 94425 17 10 73 0 0
[2021-02-18 17:18:21] 151 0          0 115154704     476068   12800516    0    0     4     4 29590 94940 16 9 76 0 0
[2021-02-18 17:18:22] 150 1          0 115156840     476072   12805768    0    0     0 19508 32860 94421   8 5 87 0 0
[2021-02-18 17:18:23] 151 1          0 115151632     476072   12811012    0    0     0 1140 29925 94838 20 12 68 0 0
[2021-02-18 17:18:24] 149 0          0 115145928     476072   12816272    0    0     0   492 29438 94682 18 11 71 0 0
[2021-02-18 17:18:25] 116 0          0 115366384     476072   12821548    0    0     0 14660 30577 94128 13 8 78 0 0
[2021-02-18 17:18:26] 106 0          0 115444792     476072   12826740    0    0     0     0 30212 94753   9 5 86 0 0
--//2021/02/18 17:18:26 ff
[2021-02-18 17:18:27] 111 0          0 115371016     476076   12829356    0    0     0 12328 24384 59374 15 9 76 0 0
[2021-02-18 17:18:28] 153 0          0 115092080     476264   12836416    0    0     0     0 31334 97332 36 16 48 0 0
[2021-02-18 17:18:29] 52 0          0 115054896     476616   12845284    0    0     0     0 41397 132358 32 18 49 0 0
[2021-02-18 17:18:30] 55 0          0 115046176     476676   12849828    0    0     0     0 71779 147299 15 8 77 0 0
[2021-02-18 17:18:31] 40 0          0 115030408     476676   12855864    0    0     0     0 67145 138426 31 16 53 0 0
[2021-02-18 17:18:32] 13 0          0 115048480     476676   12861952    0    0     0 35204 75531 137604 28 15 57 0 0
[2021-02-18 17:18:33] 80 0          0 115017784     476676   12869224    0    0     0 5140 68900 140421 27 15 57 0 0
[2021-02-18 17:18:34] 156 0          0 115024320     476676   12874652    0    0     0 4040 68950 139530 14 7 79 0 0
[2021-02-18 17:18:35] 53 0          0 115019440     476676   12880112    0    0     0     0 67368 137458 27 15 58 0 0
[2021-02-18 17:18:36] 20 0          0 115106832     476676   12884960    0    0     0     0 64894 132769 29 15 56 0 0
[2021-02-18 17:18:37] procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
[2021-02-18 17:18:37] r b       swpd       free       buff      cache   si   so    bi    bo   in   cs us sy id wa st
[2021-02-18 17:18:37] 31 0          0 115263216     476676   12893028    0    0     0 25608 69197 133270 19 10 71 0 0
[2021-02-18 17:18:38] 6 0          0 115784624     476676   12896056    0    0     0 1268 46086 125169 16 9 75 0 0
--//2021/02/18 17:18:38 fff
[2021-02-18 17:18:39] 160 0          0 115017584     476724   12900152    0    0     0 2812 31212 74067 27 16 57 0 0
[2021-02-18 17:18:40] 12 0          0 114965616     477264   12906568    0    0     0 2856 65399 150903 31 16 52 0 0
[2021-02-18 17:18:41] 22 0          0 114980016     477276   12912904    0    0     0     0 74304 138162 35 17 48 0 0
[2021-02-18 17:18:42] 21 0          0 114966080     477276   12918892    0    0     0 25064 80923 138320 25 13 62 0 0
[2021-02-18 17:18:43] 33 0          0 114963472     477276   12925320    0    0     0 1716 72813 134170 32 16 52 0 0
[2021-02-18 17:18:44] 50 0          0 114943512     477280   12931284    0    0     4    16 66971 129147 32 16 52 0 0
[2021-02-18 17:18:45] 45 0          0 114931312     477280   12937308    0    0     0 17872 75098 141312 32 17 52 0 0
[2021-02-18 17:18:46] 21 0          0 114910944     477280   12944172    0    0     0     0 78162 146946 25 12 63 0 0
[2021-02-18 17:18:47] 15 0          0 114917960     477284   12950012    0    0     0 16420 78880 140456 35 18 47 0 0
[2021-02-18 17:18:48] 19 0          0 114966976     477284   12955932    0    0     0     0 78006 146161 30 15 54 0 0
[2021-02-18 17:18:49] 17 0          0 115098928     477284   12962196    0    0     0     4 77372 144729 36 18 46 0 0
--//2021/02/18 17:18:49 ffff
[2021-02-18 17:18:50] 69 0          0 115115968     477284   12968652    0    0     0 7400 52667 93854 23 15 61 0 0
[2021-02-18 17:18:51] 18 0          0 114899512     477572   12975096    0    0     0 10860 68980 152766 45 20 35 0 0
[2021-02-18 17:18:52] 61 0          0 114898640     477884   12981544    0    0     0 17592 88366 147340 35 19 46 0 0
[2021-02-18 17:18:53] 36 0          0 114863456     477884   12988184    0    0     0 1732 88713 159689 42 21 37 0 0
[2021-02-18 17:18:54] 21 0          0 114863216     477884   12994880    0    0     0     0 87517 152858 35 18 47 0 0
[2021-02-18 17:18:55] 20 0          0 114867912     477884   13001308    0    0     0     0 81894 139759 34 17 49 0 0
[2021-02-18 17:18:56] 18 0          0 114853328     477884   13006956    0    0     0 23968 95996 167008 40 20 41 0 0
[2021-02-18 17:18:57] 31 0          0 114840144     477892   13013812    0    0     0 11872 98914 171766 37 19 44 0 0
[2021-02-18 17:18:58] procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
[2021-02-18 17:18:58] r b       swpd       free       buff      cache   si   so    bi    bo   in   cs us sy id wa st
[2021-02-18 17:18:58] 32 0          0 114865760     477892   13020796    0    0     0     0 93650 162668 35 18 48 0 0
[2021-02-18 17:18:59] 15 0          0 114992608     477892   13027764    0    0     0     0 97630 170433 38 19 42 0 0
[2021-02-18 17:19:00] 42 0          0 115439312     477892   13034776    0    0     0     0 99683 175878 34 19 47 0 0
--//2021/02/18 17:19:00 fffff
[2021-02-18 17:19:01] 12 0          0 114826512     478020   13040960    0    0     0 11228 50480 106596 50 28 22 0 0
[2021-02-18 17:19:02] 10 0          0 114861728     478432   13047484    0    0     0 26184 60626 110361 34 17 49 0 0
[2021-02-18 17:19:03] 17 0          0 114812496     478500   13055640    0    0     4 1756 94322 181834 46 24 30 0 0
[2021-02-18 17:19:04] 20 0          0 114789056     478500   13063376    0    0     0     0 96273 170292 45 23 31 0 0
[2021-02-18 17:19:05] 31 0          0 114796064     478500   13070484    0    0     0    24 87625 166862 45 24 31 0 0
[2021-02-18 17:19:06] 43 0          0 114799648     478500   13080960    0    0     0 9532 124094 228081 48 25 27 0 0
[2021-02-18 17:19:07] 2 0          0 114792088     478504   13089356    0    0     0 37012 102798 190146 43 23 33 0 0
[2021-02-18 17:19:08] 10 0          0 114832432     478504   13095184    0    0     0     0 44813 70821 29 14 57 0 0
[2021-02-18 17:19:09] 3 0          0 115041600     478504   13101888    0    0     0     0 88648 170832 45 25 30 0 0
--//2021/02/18 17:19:09 ffffff
[2021-02-18 17:19:10] 53 0          0 114894992     478576   13108736    0    0     0     4 66620 112797 44 27 28 0 0
[2021-02-18 17:19:11] 22 0          0 114801360     478580   13112924    0    0     0 3740 45510 69099 33 14 53 0 0
[2021-02-18 17:19:12] 10 0          0 114798752     478600   13115836    0    0     0 23576 47963 66569 29 15 56 0 0
[2021-02-18 17:19:13] 15 0          0 114795040     479108   13119128    0    0     0 1684 51925 87050 28 13 58 0 0
[2021-02-18 17:19:14] 16 0          0 114792096     479108   13122148    0    0     0     0 44772 65294 28 14 58 0 0
[2021-02-18 17:19:15] 12 0          0 114777744     479108   13125444    0    0     0     4 52961 79502 33 16 50 0 0
[2021-02-18 17:19:16] 13 0          0 114774016     479108   13129460    0    0     0 14348 52749 80442 30 14 56 0 0
[2021-02-18 17:19:17] 16 0          0 114771872     479112   13132848    0    0     0 6264 49452 76519 28 13 58 0 0
[2021-02-18 17:19:18] 17 0          0 114768544     479112   13135908    0    0     0     0 51183 74748 33 16 51 0 0
[2021-02-18 17:19:19] procs -------------------memory------------------ ---swap-- -----io---- --system-- -----cpu-------
[2021-02-18 17:19:19] r b       swpd       free       buff      cache   si   so    bi    bo   in   cs us sy id wa st
[2021-02-18 17:19:19] 15 0          0 114765576     479112   13139256    0    0     0     0 46801 67442 30 15 55 0 0
[2021-02-18 17:19:20] 12 0          0 114762696     479112   13142224    0    0     0     0 46440 74744 31 14 55 0 0
[2021-02-18 17:19:21] 11 0          0 114758520     479112   13145652    0    0     0 7980 51548 75048 31 15 54 0 0
[2021-02-18 17:19:22] 6 0          0 114755560     479116   13148900    0    0     0 11784 47678 70701 29 14 57 0 0
[2021-02-18 17:19:23] 19 0          0 114751968     479116   13151928    0    0     0     8 51040 74021 32 16 52 0 0
[2021-02-18 17:19:24] 14 0          0 114748616     479116   13155764    0    0     0     0 50111 79146 36 17 48 0 0
[2021-02-18 17:19:25] 23 0          0 114733912     479116   13158980    0    0     0     0 49413 77867 26 13 61 0 0
[2021-02-18 17:19:26] 10 0          0 114730480     479116   13162200    0    0     0 7604 47791 72064 30 14 56 0 0
[2021-02-18 17:19:27] 12 0          0 114728128     479116   13165300    0    0     0 12344 46983 73314 27 13 60 0 0
[2021-02-18 17:19:28] 4 0          0 114759136     479116   13168832    0    0     0   604 46051 67062 30 15 55 0 0
[2021-02-18 17:19:29] 14 0          0 114841648     479116   13171728    0    0     0     0 49168 70778 31 16 53 0 0
[2021-02-18 17:19:30] 15 0          0 114862848     479116   13175000    0    0     0     0 48840 75523 29 13 58 0 0
[2021-02-18 17:19:31] 15 0          0 115156352     479116   13177888    0    0     0 4804 46598 66393 30 15 55 0 0
[2021-02-18 17:19:32] 0 0          0 115779648     479116   13178760    0    0     0 6276 9809 13794 12 9 79 0 0
[2021-02-18 17:19:33] 0 0          0 115782888     479120   13179764    0    0     0 5432 1633 2060   0 0 100 0 0

5.總結:
--//實際上仔細看文件,就可以理解:
   Procs
       r: The number of processes waiting for run time.
       b: The number of processes in uninterruptible sleep.

Procs
r：等待執行時間的程式數。
b：不間斷睡眠中的程式數。

[20210218]shared latch spin count 6.txt

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