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2025-07-16 - 00:15
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 100 highest latencies:
System rack0slot1.osadl.org (updated Tue Jul 15, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
513521540,2sleep6959299cyclictest09:58:076
513521540,2sleep6959299cyclictest09:58:076
513521540,2sleep6959299cyclictest09:58:076
2520321500,1sleep425198-21chk_conn_tcp11:33:484
892221450,0sleep10-21swapper/110:32:311
2195921390,2sleep1958799cyclictest10:48:181
9592991318,63cyclictest0-21swapper/608:22:016
95939913026,33cyclictest0-21swapper/711:18:217
95919912848,25cyclictest3730-21watchprog-ntop12:06:595
1549921280,0sleep70-21swapper/707:29:457
3148521270,1sleep6959299cyclictest08:46:436
2485321270,2sleep3958999cyclictest08:15:243
833821260,1sleep58330-21chk_conn_tcp11:27:565
3007121260,0sleep40-21swapper/410:50:214
1544221250,0sleep50-21swapper/511:41:025
95869911912,85cyclictest0-21swapper/010:09:570
95939911832,26cyclictest0-21swapper/708:12:567
95869911815,39cyclictest28393-21postmaster11:49:210
95939911719,19cyclictest79-21ksoftirqd/711:26:547
602521160,1sleep66022-21chk_conn_tcp10:42:386
1640121160,2sleep6959299cyclictest08:12:146
87121150,0sleep20-21swapper/208:19:392
2792121150,1sleep3958999cyclictest10:05:173
95939911440,15cyclictest79-21ksoftirqd/712:18:127
9592991143,55cyclictest0-21swapper/610:35:046
95869911415,19cyclictest0-21swapper/010:47:530
95869911413,19cyclictest3730-21watchprog-ntop10:56:590
95939911217,53cyclictest0-21swapper/708:46:367
95939911045,32cyclictest77-21rcuc/707:20:357
95939911034,0cyclictest0-21swapper/708:53:337
95919911034,37cyclictest3730-21watchprog-ntop10:11:015
9586991099,24cyclictest0-21swapper/009:38:580
2267521080,1sleep522671-21snmp_nas.osadl.07:04:515
95919910742,19cyclictest0-21swapper/512:26:135
2264521070,0sleep00-21swapper/007:46:520
95869910628,18cyclictest16495-21chk_conn_tcp11:56:170
331421060,0sleep10-21swapper/110:41:291
2283321060,1sleep65787-21chk_conn_tcp07:04:526
95869910513,19cyclictest0-21swapper/010:25:590
95869910513,19cyclictest0-21swapper/010:25:590
95929910429,17cyclictest3730-21watchprog-ntop12:17:086
9593991035,42cyclictest214550irq/30-eth2-TxR11:49:537
9591991038,44cyclictest0-21swapper/510:46:175
95919910322,19cyclictest0-21swapper/507:45:095
2272121030,1sleep522719-21chk_conn_tcp08:43:225
9593991026,17cyclictest0-21swapper/712:21:247
95939910242,18cyclictest3730-21watchprog-ntop09:19:117
95939910220,56cyclictest79-21ksoftirqd/709:40:027
95939910120,23cyclictest4673-21chk_conn_tcp07:43:337
95929910139,20cyclictest0-21swapper/608:40:436
95869910133,27cyclictest27157-21openvpn09:59:480
95869910133,27cyclictest27157-21openvpn09:59:480
95869910122,21cyclictest188850irq/25-eth011:03:550
1987121010,0sleep30-21swapper/307:45:113
95869910037,24cyclictest188850irq/25-eth007:28:350
9593999941,23cyclictest0-21swapper/707:16:187
9586999932,17cyclictest0-21swapper/007:13:060
60742990,0sleep40-21swapper/409:03:084
9586999837,0cyclictest0-21swapper/010:30:480
959199970,68cyclictest0-21swapper/509:06:545
9586999735,15cyclictest0-21swapper/010:24:230
9589999617,31cyclictest0-21swapper/308:52:293
9586999638,23cyclictest3730-21watchprog-ntop11:09:480
9586999636,16cyclictest0-21swapper/010:08:530
959399956,45cyclictest0-21swapper/710:20:067
9593999517,25cyclictest77-21rcuc/709:52:197
959299952,48cyclictest4673-21chk_conn_tcp08:54:376
9591999433,6cyclictest16495-21chk_conn_tcp09:33:055
9591999433,6cyclictest16495-21chk_conn_tcp09:33:055
9586999440,48cyclictest0-21swapper/007:31:160
9586999433,39cyclictest5787-21chk_conn_tcp08:56:130
9586999425,55cyclictest0-21swapper/009:13:190
9586999350,23cyclictest3730-21watchprog-ntop09:03:100
9586999318,22cyclictest3730-21watchprog-ntop11:24:140
959399925,9cyclictest3730-21watchprog-ntop10:52:107
9589999213,37cyclictest3730-21watchprog-ntop11:58:263
9589999211,50cyclictest0-21swapper/310:43:053
9586999237,31cyclictest24521-21date11:44:320
9586999231,51cyclictest0-21swapper/009:41:380
9586999221,38cyclictest0-21swapper/007:53:100
9593999114,28cyclictest0-21swapper/708:35:557
9592999115,0cyclictest0-21swapper/607:38:126
9592999026,27cyclictest0-21swapper/612:08:356
9591999034,21cyclictest4257-21chk_conn_tcp10:53:145
9589999018,7cyclictest0-21swapper/307:41:573
9593998926,32cyclictest214550irq/30-eth2-TxR11:34:557
959199897,60cyclictest0-21swapper/508:37:315
9590998955,33cyclictest0-21swapper/410:13:424
959299887,21cyclictest16495-21chk_conn_tcp11:17:496
959199885,42cyclictest0-21swapper/512:01:065
9591998813,1cyclictest4673-21chk_conn_tcp09:18:075
958999885,60cyclictest23550-21Collectd-Thread10:22:473
959399877,22cyclictest0-21swapper/707:35:007
959399875,23cyclictest14342-21chk_conn_tcp08:15:377
9593998746,0cyclictest3730-21watchprog-ntop07:48:227
9593998714,34cyclictest79-21ksoftirqd/710:54:507
9589998728,1cyclictest0-21swapper/308:24:423
9589998726,19cyclictest0-21swapper/311:10:203
9593998622,23cyclictest0-21swapper/710:15:187
959199865,43cyclictest16165-21chk_conn_tcp11:47:125
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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