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2025-07-03 - 11:33
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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 Thu Jul 03, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2732526934,30sleep10-21swapper/119:04:331
2742026554,7sleep00-21swapper/019:05:320
148552610,0sleep10-21swapper/122:43:061
27823993710,7cyclictest10295-21kworker/u4:222:39:401
27823993231,1cyclictest0-21swapper/100:34:331
2782299320,30cyclictest0-21swapper/022:06:400
27822993110,17cyclictest0-21swapper/022:29:300
27823993010,0cyclictest0-21swapper/119:58:071
27822992910,13cyclictest0-21swapper/023:10:370
2782299282,25cyclictest0-21swapper/000:32:140
27823992727,0cyclictest0-21swapper/121:41:381
27822992725,1cyclictest0-21swapper/023:36:180
27823992610,2cyclictest0-21swapper/100:26:481
2782399260,25cyclictest29372-21kworker/1:123:13:031
27822992610,1cyclictest0-21swapper/021:28:530
27822992610,11cyclictest0-21swapper/021:46:560
2782299260,7cyclictest0-21swapper/021:07:520
2782299260,2cyclictest0-21swapper/023:20:370
2782299260,25cyclictest0-21swapper/022:40:270
2782299260,1cyclictest0-21swapper/021:52:090
2782399252,22cyclictest0-21swapper/121:37:181
27823992510,1cyclictest0-21swapper/121:17:251
27822992523,1cyclictest7-21ksoftirqd/022:53:120
27822992520,4cyclictest25089-21apache221:35:180
2782299251,3cyclictest91rcu_preempt23:13:070
27822992511,4cyclictest0-21swapper/021:17:530
2782399246,11cyclictest0-21swapper/120:33:011
2782399242,6cyclictest29935-21ssh22:18:361
27823992422,2cyclictest25089-21apache223:11:561
2782399241,21cyclictest29372-21kworker/1:123:41:551
27823992410,8cyclictest0-21swapper/122:37:401
27823992410,4cyclictest0-21swapper/122:52:031
2782399240,23cyclictest8611-21kworker/u4:200:08:071
27822992423,0cyclictest7-21ksoftirqd/022:13:110
27822992412,5cyclictest0-21swapper/023:27:500
27822992410,6cyclictest0-21swapper/021:15:340
27823992322,1cyclictest25089-21apache221:46:361
27823992322,1cyclictest0-21swapper/119:41:371
27823992317,3cyclictest25119-21apache223:52:501
27823992310,7cyclictest0-21swapper/123:35:551
27823992310,7cyclictest0-21swapper/121:23:111
27823992310,3cyclictest0-21swapper/122:24:111
27822992317,5cyclictest25119-21apache223:52:270
2782299231,2cyclictest91rcu_preempt19:33:030
27822992310,6cyclictest0-21swapper/021:05:230
27822992310,5cyclictest0-21swapper/022:18:050
27823992220,1cyclictest25119-21apache223:42:581
2782399221,20cyclictest16548-21ssh22:01:571
27823992210,9cyclictest0-21swapper/122:03:061
27823992210,6cyclictest0-21swapper/121:09:291
27823992210,4cyclictest0-21swapper/119:13:021
2782399220,0cyclictest0-21swapper/100:19:221
2782299224,6cyclictest0-21swapper/020:53:040
2782299224,14cyclictest0-21swapper/021:23:040
2782299222,20cyclictest0-21swapper/021:52:580
2782299222,19cyclictest0-21swapper/022:27:270
2782299222,19cyclictest0-21swapper/000:06:120
27822992220,2cyclictest25089-21apache223:59:040
27822992219,1cyclictest81ktimersoftd/019:23:100
27822992212,1cyclictest0-21swapper/022:47:290
1396622210,0sleep10-21swapper/123:24:081
2782399215,9cyclictest0-21swapper/123:03:041
27823992110,5cyclictest0-21swapper/119:45:381
2782399210,18cyclictest0-21swapper/121:27:571
2782399210,14cyclictest18488-21runrttasks00:15:321
2782299215,4cyclictest91rcu_preempt00:23:090
2782299213,4cyclictest91rcu_preempt23:53:030
2782299213,10cyclictest717-21snmpd20:43:070
27822992110,9cyclictest0-21swapper/023:28:230
27822992110,6cyclictest0-21swapper/023:03:030
27822992110,6cyclictest0-21swapper/000:17:350
27822992110,4cyclictest0-21swapper/023:38:110
27822992110,3cyclictest0-21swapper/022:48:020
27823992010,8cyclictest0-21swapper/122:28:221
27823992010,5cyclictest0-21swapper/119:52:591
27823992010,5cyclictest0-21swapper/119:52:591
27823992010,5cyclictest0-21swapper/119:49:001
27823992010,10cyclictest0-21swapper/100:07:081
2782299205,6cyclictest91rcu_preempt00:34:500
2782299205,10cyclictest0-21swapper/019:53:060
2782299205,10cyclictest0-21swapper/019:53:060
27822992019,0cyclictest7-21ksoftirqd/023:44:580
27822992014,2cyclictest7-21ksoftirqd/019:18:040
2782299201,2cyclictest0-21swapper/000:22:340
27822992010,8cyclictest0-21swapper/020:28:120
27822992010,6cyclictest0-21swapper/020:18:050
27822992010,6cyclictest0-21swapper/019:43:030
27822992010,5cyclictest0-21swapper/020:59:170
27822992010,3cyclictest0-21swapper/020:08:020
2782299200,8cyclictest7743-21diskmemload22:58:080
2782299200,8cyclictest0-21swapper/020:03:080
2782299200,1cyclictest0-21swapper/022:33:280
1131122010,0sleep10-21swapper/123:21:211
2782399193,10cyclictest0-21swapper/120:48:031
2782399192,4cyclictest0-21swapper/122:59:191
2782399191,9cyclictest0-21swapper/120:28:071
27823991914,4cyclictest22043-21ssh22:08:111
27823991910,6cyclictest0-21swapper/120:47:351
27823991910,3cyclictest0-21swapper/123:58:041
27823991910,3cyclictest0-21swapper/120:23:011
2782299197,5cyclictest20868-21cron20:17:500
2782299192,10cyclictest0-21swapper/000:11:160
27822991918,0cyclictest7-21ksoftirqd/021:38:060
2782299191,17cyclictest0-21swapper/022:08:450
2782299191,14cyclictest0-21swapper/022:02:390
27822991910,4cyclictest0-21swapper/020:38:020
27822991910,4cyclictest0-21swapper/019:58:030
2536421910,0sleep10-21swapper/122:57:171
2936021810,0sleep00-21swapper/019:10:310
2782399189,3cyclictest6799-21cron19:37:501
2782399183,11cyclictest0-21swapper/123:48:041
2782399182,9cyclictest0-21swapper/100:28:031
2782399182,10cyclictest1230-21/usr/sbin/munin19:23:061
27823991818,0cyclictest0-21swapper/121:19:311
27823991811,4cyclictest717-21snmpd19:28:311
27823991810,5cyclictest0-21swapper/123:28:091
27823991810,4cyclictest0-21swapper/121:02:191
27823991810,3cyclictest0-21swapper/121:54:101
27822991817,1cyclictest30837-21ls19:13:070
246822187,0sleep10-21swapper/122:12:541
101421810,2sleep10-21swapper/119:22:281
2782399171,8cyclictest0-21swapper/120:38:011
27823991715,1cyclictest0-21swapper/121:52:231
27823991710,7cyclictest0-21swapper/120:13:011
27823991710,3cyclictest0-21swapper/120:03:081
27822991715,1cyclictest243262sleep020:23:490
46592166,0sleep00-21swapper/019:30:320
27823991613,2cyclictest97750irq/106-eth1-rx20:21:231
27823991611,2cyclictest25089-21apache221:05:481
27823991610,3cyclictest0-21swapper/120:53:091
27822991613,2cyclictest81ktimersoftd/019:41:210
27823991510,2cyclictest0-21swapper/119:08:011
2782399150,10cyclictest0-21swapper/120:08:121
2782299152,3cyclictest27087-21cut20:33:030
27822991513,1cyclictest7-21ksoftirqd/020:48:020
27822991510,3cyclictest0-21swapper/019:52:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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