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2026-07-19 - 06:11
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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
Characteristics of the highest latencies:
System rackcslot2.osadl.org (updated Sun Jul 19, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1423727957,17sleep00-21swapper/019:06:430
1439227856,17sleep10-21swapper/119:08:191
134542620,0sleep10-21swapper/122:49:421
1457699322,29cyclictest606-21kworker/0:223:18:110
14577993131,0cyclictest0-21swapper/122:05:491
14576993129,1cyclictest0-21swapper/022:03:530
14577993030,0cyclictest0-21swapper/123:52:141
1457699300,29cyclictest606-21kworker/0:223:03:070
1457699300,29cyclictest606-21kworker/0:222:16:590
1457699300,27cyclictest606-21kworker/0:223:33:150
14576992925,4cyclictest606-21kworker/0:222:30:070
14576992919,9cyclictest17316-21ssh22:54:260
14576992910,0cyclictest0-21swapper/022:18:410
14576992828,0cyclictest0-21swapper/023:43:550
1457699281,26cyclictest606-21kworker/0:221:00:170
1457699280,27cyclictest606-21kworker/0:200:27:230
1457699280,21cyclictest0-21swapper/020:38:360
14576992725,0cyclictest0-21swapper/023:41:370
1457699272,24cyclictest606-21kworker/0:220:52:410
14576992711,15cyclictest606-21kworker/0:223:11:210
1457699270,26cyclictest0-21swapper/020:53:380
14577992621,1cyclictest0-21swapper/100:07:141
1457799260,10cyclictest4727-21ssh21:58:381
14576992624,1cyclictest0-21swapper/021:37:280
14576992624,1cyclictest0-21swapper/021:14:390
14576992610,15cyclictest0-21swapper/022:28:120
1457699260,23cyclictest606-21kworker/0:221:05:050
14577992521,3cyclictest1199-21runrttasks21:16:491
14577992510,10cyclictest0-21swapper/120:03:381
1457699259,15cyclictest606-21kworker/0:221:51:390
1457699251,23cyclictest606-21kworker/0:220:10:210
14576992510,5cyclictest0-21swapper/022:11:540
14577992422,1cyclictest24-21ksoftirqd/122:18:401
14577992422,1cyclictest20606-21apache200:24:511
14577992418,2cyclictest1199-21runrttasks19:14:051
14576992422,1cyclictest0-21swapper/023:48:460
14576992414,6cyclictest0-21swapper/021:23:420
14576992410,4cyclictest0-21swapper/023:23:340
1457699240,1cyclictest0-21swapper/022:47:230
14577992323,0cyclictest0-21swapper/122:40:151
14577992323,0cyclictest0-21swapper/122:35:271
14577992322,1cyclictest231ktimersoftd/121:25:051
14577992321,1cyclictest3490-21apache_processe23:18:361
14577992318,4cyclictest20584-21apache221:34:351
14577992318,3cyclictest15529-21ssh22:53:271
1457699230,22cyclictest8049-21awk20:13:400
1457699230,21cyclictest30671-21ssh21:10:150
2707822210,0sleep00-21swapper/021:45:560
14577992220,2cyclictest20584-21apache221:10:001
14577992218,2cyclictest30843-21munin-node23:05:481
14577992210,3cyclictest0-21swapper/121:21:061
1457699228,9cyclictest0-21swapper/000:13:340
14576992220,1cyclictest0-21swapper/023:54:130
14576992220,1cyclictest0-21swapper/020:43:390
14576992212,2cyclictest0-21swapper/021:58:350
14576992210,4cyclictest0-21swapper/000:36:330
1457699220,7cyclictest4042-21ssh22:38:360
1457699220,21cyclictest0-21swapper/000:18:560
1457699220,1cyclictest0-21swapper/000:03:400
1457799216,11cyclictest0-21swapper/119:48:401
1457799215,9cyclictest0-21swapper/100:13:351
1457799212,17cyclictest0-21swapper/123:01:101
14577992121,0cyclictest0-21swapper/120:59:111
1457799211,3cyclictest0-21swapper/121:43:581
1457799211,19cyclictest0-21swapper/123:42:291
14577992110,6cyclictest0-21swapper/120:33:411
14577992110,5cyclictest0-21swapper/119:53:431
14577992110,4cyclictest0-21swapper/122:26:071
14577992110,3cyclictest0-21swapper/100:28:341
1457799210,20cyclictest0-21swapper/123:27:271
1457799210,1cyclictest1199-21runrttasks21:32:061
1457699211,2cyclictest0-21swapper/000:01:450
1457699211,1cyclictest0-21swapper/022:36:290
14576992110,8cyclictest27044-21runrttasks23:07:370
1457799202,12cyclictest0-21swapper/120:53:361
14577992017,2cyclictest20606-21apache223:54:521
14577992015,4cyclictest20606-21apache221:53:531
14577992015,2cyclictest13914-21ssh22:09:181
1457799201,3cyclictest0-21swapper/120:13:331
14577992013,2cyclictest0-21swapper/123:09:531
14577992011,7cyclictest100150irq/106-eth1-rx19:11:451
14577992010,5cyclictest0-21swapper/122:43:231
14577992010,4cyclictest0-21swapper/119:28:351
14577992010,0cyclictest0-21swapper/123:33:421
1457799200,10cyclictest0-21swapper/121:48:411
1457699205,7cyclictest0-21swapper/019:43:360
1457699204,11cyclictest0-21swapper/021:28:350
14576992018,1cyclictest20584-21apache219:18:360
14576992011,3cyclictest0-21swapper/021:55:320
14576992010,5cyclictest0-21swapper/023:20:100
14576992010,3cyclictest0-21swapper/021:21:070
14576992010,3cyclictest0-21swapper/019:33:350
290521910,0sleep10-21swapper/123:17:471
2750321910,0sleep00-21swapper/000:30:400
2511421910,0sleep10-21swapper/123:44:521
1457799194,7cyclictest0-21swapper/121:03:441
1457799194,7cyclictest0-21swapper/119:38:511
1457799193,8cyclictest0-21swapper/120:28:361
1457799193,12cyclictest0-21swapper/119:58:351
14577991918,0cyclictest14574-21cyclictest23:58:431
1457799191,14cyclictest0-21swapper/100:08:401
14577991910,6cyclictest0-21swapper/120:48:391
14577991910,5cyclictest0-21swapper/119:43:421
14577991910,4cyclictest0-21swapper/120:18:381
14577991910,4cyclictest0-21swapper/120:18:381
14577991910,3cyclictest0-21swapper/121:40:321
14576991915,3cyclictest15235-21ssh22:53:080
14576991911,5cyclictest100150irq/106-eth1-rx23:34:470
14576991910,5cyclictest0-21swapper/019:58:350
14576991910,2cyclictest0-21swapper/019:38:380
1457799184,7cyclictest0-21swapper/119:18:401
1457799184,6cyclictest0-21swapper/119:23:371
1457799184,3cyclictest28483-21df22:28:351
14577991810,4cyclictest0-21swapper/122:15:291
14577991810,4cyclictest0-21swapper/120:23:391
14577991810,1cyclictest0-21swapper/123:33:191
1457699189,9cyclictest7231-21kworker/0:119:25:010
14577991714,2cyclictest20606-21apache200:22:501
14577991710,2cyclictest0-21swapper/100:33:421
1457699174,9cyclictest20598-21apache219:08:360
14576991715,1cyclictest81ktimersoftd/020:03:420
14576991715,1cyclictest107112sleep020:21:380
14576991715,1cyclictest107112sleep020:21:380
14576991710,4cyclictest0-21swapper/021:38:360
1457799164,3cyclictest0-21swapper/120:08:371
1457799163,6cyclictest19439-21/usr/sbin/munin20:43:381
14577991610,6cyclictest0-21swapper/120:43:201
14576991612,4cyclictest14574-21cyclictest00:08:400
14576991610,1cyclictest0-21swapper/020:33:420
120621610,1sleep00-21swapper/019:57:430
1457799157,5cyclictest24241-21/usr/sbin/munin19:33:401
14576991510,2cyclictest0-21swapper/020:28:370
14576991510,2cyclictest0-21swapper/019:48:360
14576991510,2cyclictest0-21swapper/019:13:450
14576991510,0cyclictest0-21swapper/019:28:430
14576991410,2cyclictest0-21swapper/020:23:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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