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2024-11-23 - 17:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rackcslot4.osadl.org (updated Sat Nov 23, 2024 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36480642307264,29sleep00-21swapper/007:05:040
36497692279211,54sleep10-21swapper/107:09:231
364996499603,37cyclictest3710906-21apt-get09:25:131
113399580,4rtkit-daemon1132-21rtkit-daemon11:39:560
37365222560,4sleep1251rcuc/109:56:321
113399530,4rtkit-daemon1132-21rtkit-daemon10:32:261
113399530,4rtkit-daemon1132-21rtkit-daemon09:13:571
38420382520,5sleep10-21swapper/112:11:111
37244262520,2sleep10-21swapper/109:40:471
364996499523,9cyclictest3824532-21apt-get11:50:121
37284712510,3sleep03649954-21cyclictest09:46:080
364996499513,7cyclictest3738650-21apt-get10:00:121
364996499513,7cyclictest3685949-21apt-get08:40:121
364996499513,6cyclictest3777939-21apt-get10:50:161
364996499512,6cyclictest3844342-21apt-get12:15:141
364996499511,7cyclictest3832538-21apt-get12:00:151
38385522500,5sleep00-21swapper/012:07:050
364996499503,7cyclictest3754527-21apt-get10:20:141
364996499502,7cyclictest3793591-21apt-get11:10:141
364996499501,6cyclictest3666366-21apt-get07:50:111
113399500,3rtkit-daemon1132-21rtkit-daemon09:47:421
364996499491,6cyclictest3687900-21apt-get08:45:121
364996499491,5cyclictest3664422-21apt-get07:45:131
113399490,3rtkit-daemon1132-21rtkit-daemon07:31:390
38639362480,5sleep10-21swapper/112:39:141
364996499472,6cyclictest3678120-21apt-get08:20:141
364996499472,5cyclictest3848972-40lsb_release12:20:171
364996499472,5cyclictest3706887-21apt-get09:20:131
364996499472,5cyclictest3676148-21apt-get08:15:151
364996499462,7cyclictest3800744-21apt-get11:18:521
364996499461,9cyclictest3828530-21apt-get11:55:151
364996499461,5cyclictest3730583-21apt-get09:50:181
364996499452,3cyclictest3758464-21apt-get10:25:141
364996499451,9cyclictest3751273-21ntp_states10:15:231
364996499451,9cyclictest3746090-21munin-run10:10:001
364996499451,7cyclictest3697935-21diskmemload11:05:141
364996499451,4cyclictest3662472-21apt-get07:40:131
364996499450,10cyclictest3714753-21apt-get09:30:181
364996499441,5cyclictest3696245-40lsb_release09:05:251
364996499441,4cyclictest3718696-21apt-get09:35:111
364996499440,2cyclictest3820716-21apt-get11:45:121
364996499440,10cyclictest3817706-21ntp_states11:40:211
364996499432,8cyclictest3661045-21memory07:35:201
364996499422,7cyclictest3697935-21diskmemload10:37:411
364996499422,11cyclictest0-21swapper/111:31:001
364996499421,6cyclictest3697935-21diskmemload10:41:061
364996499421,5cyclictest3697935-21diskmemload11:29:111
364996499416,4cyclictest3697935-21diskmemload11:39:361
364996499412,5cyclictest3697935-21diskmemload10:10:101
113399400,5rtkit-daemon3782224-21fschecks_time10:55:161
364996499391,8cyclictest3697935-21diskmemload11:23:391
113399380,3rtkit-daemon0-21swapper/110:20:230
37820692370,1sleep03782068-21cstates10:55:140
364996499370,8cyclictest3697935-21diskmemload11:03:491
113399370,3rtkit-daemon0-21swapper/008:14:050
364996499360,34cyclictest3856865-21fschecks_count12:30:191
113399360,4rtkit-daemon1132-21rtkit-daemon12:21:540
364996499352,7cyclictest3689851-21apt-get08:50:151
364996499351,8cyclictest3670275-21/usr/sbin/munin08:00:291
113399350,5rtkit-daemon3713125-21ssh09:27:140
113399350,3rtkit-daemon0-21swapper/008:59:481
364996499343,8cyclictest3672243-21apt-get08:05:131
364996499341,14cyclictest3693773-21apt-get09:00:131
113399340,4rtkit-daemon1132-21rtkit-daemon12:28:240
113399340,3rtkit-daemon1132-21rtkit-daemon11:54:590
113399340,3rtkit-daemon0-21swapper/109:52:390
364996499332,8cyclictest3654586-21apt-get07:20:151
364996499332,6cyclictest3668320-21apt-get07:55:121
364996499332,12cyclictest3683977-21apt-get08:35:131
3649964993313,17cyclictest3682235-21sh08:30:161
364996499331,10cyclictest3704250-21ssh09:16:181
113399330,4rtkit-daemon3737583-21ssh09:58:330
113399330,3rtkit-daemon0-21swapper/112:37:160
113399330,3rtkit-daemon0-21swapper/110:16:310
113399330,3rtkit-daemon0-21swapper/107:46:420
364996499329,3cyclictest0-21swapper/107:31:401
364996499320,8cyclictest3838664-21ssh12:07:221
113399320,4rtkit-daemon1132-21rtkit-daemon09:00:240
113399320,3rtkit-daemon1132-21rtkit-daemon08:23:050
113399320,3rtkit-daemon0-21swapper/111:04:420
113399320,3rtkit-daemon0-21swapper/110:49:290
364996499312,6cyclictest3852592-21apt-get12:25:151
364996499312,6cyclictest3650084-21apt-get07:10:121
113399310,4rtkit-daemon3725354-21ssh09:42:410
113399310,4rtkit-daemon0-21swapper/110:02:270
113399310,3rtkit-daemon0-21swapper/111:30:000
113399310,3rtkit-daemon0-21swapper/007:18:041
364996499308,7cyclictest3680262-21expr08:25:131
364995999300,9cyclictest37700102sh10:40:000
3649964992912,3cyclictest3656516-21/usr/sbin/munin07:25:171
113399290,4rtkit-daemon1132-21rtkit-daemon09:20:440
113399290,3rtkit-daemon0-21swapper/110:30:210
113399290,3rtkit-daemon0-21swapper/109:37:380
364996499282,7cyclictest3697935-21diskmemload10:45:301
113399280,3rtkit-daemon0-21swapper/111:17:320
113399280,3rtkit-daemon0-21swapper/110:14:410
364995999276,6cyclictest861-21runrttasks12:01:340
364995999270,6cyclictest0-21swapper/009:15:000
364995999270,13cyclictest3803330-21/usr/sbin/munin11:20:250
113399270,3rtkit-daemon0-21swapper/110:43:450
364996499260,8cyclictest3675446-21sed08:10:261
364995999269,10cyclictest3808789-21apt-get11:30:110
364995999260,6cyclictest0-21swapper/007:51:410
113399260,1rtkit-daemon1132-21rtkit-daemon08:17:590
364995999250,6cyclictest0-21swapper/007:24:360
113399250,1rtkit-daemon1132-21rtkit-daemon12:16:270
364995999242,15cyclictest3758464-21apt-get10:25:120
3649959992410,10cyclictest3742489-21apt-get10:05:140
36632722230,9sleep013-21ksoftirqd/007:40:220
364995999239,8cyclictest3682025-21apt-get08:30:140
3649959992316,5cyclictest13-21ksoftirqd/008:55:000
364995999229,8cyclictest3769096-1kworker/u9:011:40:110
364995999224,11cyclictest3660439-21apt-get07:35:140
364995999222,14cyclictest3856573-21apt-get12:30:150
364995999222,14cyclictest3702392-21apt-get09:15:120
364995999222,14cyclictest3670293-21apt-get08:00:130
364995999222,14cyclictest3652611-21apt-get07:15:140
3649959992216,4cyclictest3716024-21grep09:30:310
364995999221,16cyclictest3697935-21diskmemload11:55:590
364995999220,7cyclictest3774101-1kworker/u9:210:50:160
364995999212,14cyclictest3696164-21apt-get09:05:230
364995999212,11cyclictest3656535-21apt-get07:25:130
3649959992113,6cyclictest3680177-21cpuspeed_turbos08:25:140
113399210,13rtkit-daemon0-21swapper/007:10:200
364995999206,8cyclictest3789778-21apt-get11:05:130
3649959992012,6cyclictest3693177-21seq08:56:110
3649959992012,6cyclictest3686009-21sort08:40:140
3649959992010,8cyclictest3841071-21ssh12:10:220
364995999200,5cyclictest3795233-21ssh11:10:540
364995999197,10cyclictest3668735-21gltestperf07:55:160
38222252180,16sleep00-21swapper/011:45:400
3649959991813,3cyclictest3688872-21sendmail_mailtr08:45:220
113399180,5rtkit-daemon3684187-21df_inode08:35:140
364995999179,6cyclictest3672456-21diskstats08:05:150
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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