dstat は vmstat, iostat, netstatなんかをまとめた情報が取得可能。
時刻情報付与やCSV保存もできて便利。
使い方をほかのstat系と同じようにオプション、および間隔と回数を指定する。
Usage: dstat [-afv] [options..] [delay [count]]
今回確認のバージョン
$ dstat --version
Dstat 0.7.2
デフォルトのオプション
「-cdngy」
忘れたら。
#dstat
You did not select any stats, using -cdngy by default. ←★
----total-cpu-usage---- -dsk/total- -net/total- ---paging-- ---system--
usr sys idl wai hiq siq| read writ| recv send| in out | int csw
1 0 98 1 0 0| 67k 456k| 0 0 |1697B 7138B|1061 1241
または
# dstat -h | grep all |grep default
-a, --all equals -cdngy (default)
時刻とプロセス情報追加
dstat -tpa
# dstat -tpa
----system---- ---procs--- ----total-cpu-usage---- -dsk/total- -net/total- ---paging-- ---system--
time |run blk new|usr sys idl wai hiq siq| read writ| recv send| in out | int csw
03-06 04:54:49| 0 0 0.3| 1 0 98 1 0 0| 66k 455k| 0 0 |1691B 7113B|1060 1241
03-06 04:54:50| 0 0 0| 1 0 100 0 0 0| 0 16k| 300B 1694B| 0 0 | 197 288
vmstatっぽいのに時刻追加
dstat -tv
vmstatで情報取りたいときにワンライナーとかシェル組まなくてもよくなる。
# dstat -tv
----system---- ---procs--- ------memory-usage----- ---paging-- -dsk/total- ---system-- ----total-cpu-usage----
time |run blk new| used buff cach free| in out | read writ| int csw |usr sys idl wai hiq siq
03-06 04:55:19| 0 0 0.3| 242M 0 1438M 61.4M|1691B 7109B| 66k 454k|1059 1240 | 1 0 98 1 0 0
03-06 04:55:20| 0 0 0| 242M 0 1438M 61.4M| 0 0 | 0 0 |1290 1716 | 0 1 99 0 0 0
03-06 04:55:21| 0 0 0| 242M 0 1438M 61.4M| 0 0 | 0 8192B|1197 1657 | 0 0 100 0 0 0
vmstatの個別のオプション確認
# dstat -h | grep vmstat
-v, --vmstat equals -pmgdsc -D total
デフォルトにプロセスとメモリとIOPSを追加
dstat -tpcdrmngy
ざっとみるときはこれ使う
pとrとmをよさげなところに追加。
# dstat -tpcdrmngy
----system---- ---procs--- ----total-cpu-usage---- -dsk/total- --io/total- ------memory-usage----- -net/total- ---paging-- ---system--
time |run blk new|usr sys idl wai hiq siq| read writ| read writ| used buff cach free| recv send| in out | int csw
03-06 04:56:56| 0 0 0.3| 1 0 98 1 0 0| 66k 454k|3.42 22.9 | 243M 0 1438M 60.8M| 0 0 |1687B 7096B|1059 1240
03-06 04:56:57| 0 0 0| 0 1 100 0 0 0| 0 0 | 0 0 | 243M 0 1438M 60.7M| 60B 1478B| 0 0 | 223 301
IOのプロセス情報含む
dstat -tpcdrmngy --top-io
dstat -tpcdrmngy --top-io-adv
# dstat -tpcdrmngy --top-io 1 2
----system---- ---procs--- ----total-cpu-usage---- -dsk/total- --io/total- ------memory-usage----- -net/total- ---paging-- ---system-- ----most-expensive----
time |run blk new|usr sys idl wai hiq siq| read writ| read writ| used buff cach free| recv send| in out | int csw | i/o process
03-06 05:03:48| 0 0 0.3| 1 0 98 1 0 0| 66k 450k|3.39 22.8 | 253M 0 1443M 46.6M| 0 0 |1676B 7042B|1058 1240 |systemd 75k 113k
03-06 05:03:49| 0 0 0| 1 0 99 0 0 0| 0 0 | 0 0 | 253M 0 1443M 46.4M| 360B 2356B| 0 0 |1289 1737 |ora_dbrm_or6742B 0
03-06 05:03:50| 0 0 0| 1 1 98 0 0 0| 0 0 | 0 0 | 253M 0 1443M 46.1M| 120B 780B| 0 0 |1453 1802 |VBoxService2304B 0
# dstat -tpcdrmngy --top-io-adv 1 2
----system---- ---procs--- ----total-cpu-usage---- -dsk/total- --io/total- ------memory-usage----- -net/total- ---paging-- ---system-- -------most-expensive-i/o-process-------
time |run blk new|usr sys idl wai hiq siq| read writ| read writ| used buff cach free| recv send| in out | int csw |process pid read write cpu
03-06 05:03:55| 0 0 0.3| 1 0 98 1 0 0| 66k 450k|3.39 22.8 | 252M 0 1443M 46.8M| 0 0 |1675B 7041B|1058 1240 |systemd 1 75k 113k0.0%
03-06 05:03:56| 0 0 0| 0 0 99 0 0 0| 0 0 | 0 0 | 253M 0 1443M 46.4M| 510B 2480B| 0 0 |1148 1485 |ora_gen1_orcl 3828 6742B 0 0.5%
03-06 05:03:57| 0 0 0| 2 1 97 0 0 0| 0 32k| 0 4.00 | 253M 0 1443M 46.1M| 120B 812B| 0 0 | 279 384 |ora_ckpt_orcl 3852 64k 32k 0%
CPUのプロセス情報含む
dstat -tpcdrmngy --top-cpu
dstat -tpcdrmngy --top-cpu-adv
# dstat -tpcdrmngy --top-cpu 1 2
----system---- ---procs--- ----total-cpu-usage---- -dsk/total- --io/total- ------memory-usage----- -net/total- ---paging-- ---system-- -most-expensive-
time |run blk new|usr sys idl wai hiq siq| read writ| read writ| used buff cach free| recv send| in out | int csw | cpu process
03-06 05:02:57| 0 0 0.3| 1 0 98 1 0 0| 66k 451k|3.40 22.8 | 249M 0 1443M 49.9M| 0 0 |1677B 7049B|1058 1240 |ora_vktm_orcl0.9
03-06 05:02:58| 0 0 0| 0 1 99 0 0 0| 0 0 | 0 0 | 249M 0 1443M 49.8M| 452B 2324B| 0 0 |1281 1687 |ora_vktm_orcl2.0
03-06 05:02:59| 0 0 0| 2 1 97 0 0 1| 0 0 | 0 0 | 249M 0 1443M 49.8M| 212B 764B| 0 0 |1293 1734 |ora_vktm_orcl1.0
# dstat -tpcdrmngy --top-cpu-adv 1 2
----system---- ---procs--- ----total-cpu-usage---- -dsk/total- --io/total- ------memory-usage----- -net/total- ---paging-- ---system-- -------most-expensive-cpu-process-------
time |run blk new|usr sys idl wai hiq siq| read writ| read writ| used buff cach free| recv send| in out | int csw |process pid cpu read write
03-06 05:03:02| 0 0 0.3| 1 0 98 1 0 0| 66k 451k|3.40 22.8 | 249M 0 1443M 49.9M| 0 0 |1677B 7048B|1058 1240 |ora_vktm_orcl 3818 0.9% 7B 0
03-06 05:03:03| 0 0 0| 0 0 100 0 0 0| 0 32k| 0 4.00 | 250M 0 1443M 49.5M| 360B 2420B| 0 0 |1302 1716 |ora_vktm_orcl 3818 1.5% 0 0
03-06 05:03:04| 0 0 0| 2 1 97 0 0 0| 0 0 | 0 0 | 250M 0 1443M 49.3M| 270B 888B| 0 0 |1313 1735 |ora_vktm_orcl 3818 2.0% 0 0
CSVで保存
dstat -tv --output /tmp/dstat_log.csv
# dstat -tv --output /tmp/dstat_log.csv
----system---- ---procs--- ------memory-usage----- ---paging-- -dsk/total- ---system-- ----total-cpu-usage----
time |run blk new| used buff cach free| in out | read writ| int csw |usr sys idl wai hiq siq
03-06 05:14:00| 0 0 0.3| 254M 0 1445M 42.5M|1658B 6963B| 65k 446k|1057 1239 | 1 0 98 0 0 0
03-06 05:14:01| 0 0 0| 254M 0 1445M 42.4M| 0 0 | 0 0 |1277 1771 | 1 0 99 0 0 0
03-06 05:14:02| 0 0 0| 254M 0 1445M 42.4M| 0 0 | 0 32k|1139 1716 | 0 0 100 0 0 0^C
# cat /tmp/dstat_log.csv
"Dstat 0.7.2 CSV output"
"Author:","Dag Wieers <dag@wieers.com>",,,,"URL:","http://dag.wieers.com/home-made/dstat/"
"Host:","hostname",,,,"User:","root"
"Cmdline:","dstat -tv --output /tmp/dstat_log.csv",,,,"Date:","03 Jun 2018 05:14:00 UTC"
"system","procs",,,"memory usage",,,,"paging",,"dsk/total",,"system",,"total cpu usage",,,,,
"time","run","blk","new","used","buff","cach","free","in","out","read","writ","int","csw","usr","sys","idl","wai","hiq","siq"
<中略>
03-06 05:14:01,0.0,0.0,0.0,266346496.0,0.0,1515556864.0,44474368.0,0.0,0.0,0.0,0.0,1277.0,1771.0,0.518,0.0,99.482,0.0,0.0,0.0
03-06 05:14:02,0.0,0.0,0.0,266346496.0,0.0,1515556864.0,44474368.0,0.0,0.0,0.0,32768.0,1139.0,1716.0,0.0,0.0,100.0,0.0,0.0,0.0