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2026-01-07 - 07:09
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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 Wed Jan 07, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2011621110,1sleep51298499cyclictest21:58:485
3022-21960,1postmaster0-21swapper/121:32:321
158822720,0sleep70-21swapper/723:34:227
198422580,0sleep30-21swapper/321:18:483
302972440,0sleep40-21swapper/423:03:514
1134724230,7sleep30-21swapper/319:06:553
1090824129,7sleep60-21swapper/619:05:306
1081223923,10sleep70-21swapper/719:05:157
1147223824,8sleep50-21swapper/519:07:215
1107623825,7sleep40-21swapper/419:06:004
1022723824,8sleep20-21swapper/219:04:302
1036523624,7sleep10-21swapper/119:04:531
1119923523,7sleep00-21swapper/019:06:200
12979992610,1cyclictest212450irq/31-eth2-TxR23:23:490
1297999240,23cyclictest101ktimersoftd/023:38:440
245472220,1sleep341-21rcuc/322:40:353
1220022210,7sleep60-21swapper/619:08:356
12984991917,1cyclictest61-21ksoftirqd/521:35:295
12984991917,1cyclictest61-21ksoftirqd/521:35:295
12984991912,1cyclictest0-21swapper/523:30:305
1298199191,16cyclictest0-21swapper/223:05:102
12980991912,6cyclictest2909-21snmpd00:13:151
1297999190,18cyclictest101ktimersoftd/022:45:460
12986991816,1cyclictest79-21ksoftirqd/722:19:447
1298599180,1cyclictest0-21swapper/620:31:546
1298299180,17cyclictest0-21swapper/322:48:503
12980991810,6cyclictest2429-21openvpn21:38:501
12980991810,6cyclictest2429-21openvpn21:38:501
12979991816,1cyclictest9-21ksoftirqd/000:06:040
12979991816,1cyclictest10342-21kworker/0:019:41:470
77612170,3sleep41298399cyclictest23:29:314
1298699173,1cyclictest79-21ksoftirqd/719:53:577
12986991715,1cyclictest79-21ksoftirqd/723:00:497
12986991715,1cyclictest79-21ksoftirqd/722:45:427
12986991715,1cyclictest79-21ksoftirqd/700:26:097
1298599174,7cyclictest20781-21JNI-ICMP-21844-20:23:436
1298599174,7cyclictest20781-21JNI-ICMP-21844-20:23:436
12985991715,1cyclictest179050kworker/u16:021:01:086
12984991715,1cyclictest61-21ksoftirqd/520:04:165
1298399170,13cyclictest0-21swapper/422:54:454
1298399170,13cyclictest0-21swapper/422:54:454
12982991715,1cyclictest43-21ksoftirqd/323:51:013
1298199171,14cyclictest21960-21postmaster00:08:572
12979991714,2cyclictest9-21ksoftirqd/000:09:540
12986991614,1cyclictest79-21ksoftirqd/723:59:537
12986991614,1cyclictest79-21ksoftirqd/722:30:407
12986991614,1cyclictest79-21ksoftirqd/721:44:337
12986991614,1cyclictest79-21ksoftirqd/721:35:317
12986991614,1cyclictest79-21ksoftirqd/721:35:317
12986991614,1cyclictest79-21ksoftirqd/720:50:217
12986991614,1cyclictest79-21ksoftirqd/700:19:577
12985991614,1cyclictest2212350kworker/u16:222:41:136
12985991611,3cyclictest0-21swapper/620:33:596
12985991610,4cyclictest3040-21dhcpd22:24:186
1298599160,11cyclictest0-21swapper/619:38:446
12984991614,1cyclictest61-21ksoftirqd/522:54:415
12984991614,1cyclictest61-21ksoftirqd/522:54:415
12984991614,1cyclictest61-21ksoftirqd/522:40:045
12984991614,1cyclictest61-21ksoftirqd/520:25:155
12984991614,1cyclictest61-21ksoftirqd/520:25:155
12984991614,1cyclictest61-21ksoftirqd/500:09:535
12984991613,2cyclictest0-21swapper/523:46:305
12984991613,1cyclictest0-21swapper/521:22:005
1298499160,1cyclictest0-21swapper/523:23:485
1298499160,12cyclictest20719-21G110:58:345
12983991614,1cyclictest511ktimersoftd/421:53:304
12983991612,3cyclictest18816-21munin-run21:38:334
12983991612,3cyclictest18816-21munin-run21:38:334
12982991614,1cyclictest43-21ksoftirqd/319:14:043
12982991614,1cyclictest43-21ksoftirqd/319:14:043
12982991614,1cyclictest43-21ksoftirqd/319:09:033
1298199164,7cyclictest21058-21JNI-ICMP-8765-S20:17:592
1298199163,8cyclictest21058-21JNI-ICMP-8765-S22:16:362
1298199163,5cyclictest21058-21JNI-ICMP-8765-S21:52:102
12980991613,2cyclictest2909-21snmpd19:56:141
12980991610,5cyclictest2909-21snmpd19:23:141
12980991610,5cyclictest2909-21snmpd19:23:141
1297999166,9cyclictest9-21ksoftirqd/021:14:260
12979991614,1cyclictest9-21ksoftirqd/022:34:480
12979991614,1cyclictest9-21ksoftirqd/022:34:480
12979991614,1cyclictest9-21ksoftirqd/000:34:580
12979991613,2cyclictest9-21ksoftirqd/021:44:320
12979991613,2cyclictest2909-21snmpd19:31:440
12979991613,2cyclictest2909-21snmpd19:31:440
12979991613,2cyclictest186650irq/25-eth022:40:140
1297999161,1cyclictest9-21ksoftirqd/019:53:570
1297999161,1cyclictest0-21swapper/022:58:500
12979991610,2cyclictest9-21ksoftirqd/019:08:500
186862150,2sleep51298499cyclictest20:50:545
12986991513,1cyclictest79-21ksoftirqd/723:25:527
12986991513,1cyclictest79-21ksoftirqd/721:40:307
12986991513,1cyclictest79-21ksoftirqd/721:40:307
12986991513,1cyclictest79-21ksoftirqd/700:14:507
12986991513,1cyclictest0-21swapper/720:24:597
12986991513,1cyclictest0-21swapper/720:24:597
12986991511,1cyclictest79-21ksoftirqd/723:51:017
1298699150,1cyclictest0-21swapper/721:02:007
1298699150,14cyclictest0-21swapper/721:49:307
1298699150,14cyclictest0-21swapper/720:00:297
1298599153,5cyclictest21061-21JNI-ICMP-8188-S00:08:246
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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