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2026-06-16 - 01:23
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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 rack1slot1.osadl.org (updated Tue Jun 16, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150972202161,28sleep20-21swapper/219:05:422
153882201163,24sleep00-21swapper/019:09:290
151282200160,26sleep30-21swapper/319:06:063
151312199160,26sleep10-21swapper/119:06:081
108152330,0sleep00-21swapper/022:40:140
318632180,0sleep08175-21diskmemload21:40:150
15525991615,1cyclictest35-21ksoftirqd/300:05:203
15525991514,1cyclictest35-21ksoftirqd/321:40:153
15525991413,1cyclictest35-21ksoftirqd/320:00:003
15514991412,1cyclictest9-21ksoftirqd/021:20:010
189942130,0sleep30-21swapper/300:19:513
189942130,0sleep30-21swapper/300:19:513
277552120,1sleep327750-21needreboot00:30:153
170182120,0sleep10-21swapper/122:48:161
15525991212,0cyclictest35-21ksoftirqd/321:19:323
15525991211,1cyclictest35-21ksoftirqd/322:25:173
15525991210,1cyclictest35-21ksoftirqd/323:50:133
15514991210,1cyclictest9-21ksoftirqd/022:25:010
15514991210,1cyclictest9-21ksoftirqd/022:20:000
1552599119,1cyclictest35-21ksoftirqd/323:35:123
1552599119,1cyclictest35-21ksoftirqd/321:45:203
15525991111,0cyclictest35-21ksoftirqd/320:20:173
15525991111,0cyclictest35-21ksoftirqd/319:55:003
15525991110,1cyclictest35-21ksoftirqd/320:10:173
15525991110,1cyclictest35-21ksoftirqd/320:05:223
1552499119,1cyclictest28-21ksoftirqd/220:14:592
1552499119,1cyclictest28-21ksoftirqd/219:35:012
15514991110,1cyclictest9-21ksoftirqd/021:15:010
15514991110,1cyclictest9-21ksoftirqd/019:45:000
1552599109,1cyclictest35-21ksoftirqd/322:55:153
1552599109,1cyclictest35-21ksoftirqd/322:38:423
1552599109,1cyclictest35-21ksoftirqd/322:30:133
1552599109,1cyclictest35-21ksoftirqd/322:01:573
1552599109,1cyclictest35-21ksoftirqd/321:30:183
1552599109,1cyclictest35-21ksoftirqd/321:10:123
1552599109,1cyclictest35-21ksoftirqd/320:35:003
1552599109,1cyclictest35-21ksoftirqd/319:30:003
1552599109,0cyclictest35-21ksoftirqd/323:15:173
1552599108,1cyclictest35-21ksoftirqd/323:45:173
1552599108,1cyclictest35-21ksoftirqd/322:40:153
15525991010,0cyclictest35-21ksoftirqd/321:25:203
15525991010,0cyclictest35-21ksoftirqd/320:30:003
1552599100,4cyclictest15057-21hddtemp_smartct22:45:153
1552499109,1cyclictest28-21ksoftirqd/222:08:162
1552499109,1cyclictest28-21ksoftirqd/219:45:002
1552499100,10cyclictest0-21swapper/221:19:462
1551499109,1cyclictest9-21ksoftirqd/019:30:000
1551499109,1cyclictest9-21ksoftirqd/000:00:000
1551499102,4cyclictest12304-21perf20:10:000
26488290,0sleep20-21swapper/222:15:582
155259999,0cyclictest35-21ksoftirqd/320:55:183
155259999,0cyclictest35-21ksoftirqd/300:20:113
155259999,0cyclictest35-21ksoftirqd/300:10:143
155259998,1cyclictest35-21ksoftirqd/323:25:183
155259998,1cyclictest35-21ksoftirqd/323:20:103
155259998,1cyclictest35-21ksoftirqd/323:10:143
155259998,1cyclictest35-21ksoftirqd/323:05:183
155259998,1cyclictest35-21ksoftirqd/321:55:173
155259998,1cyclictest35-21ksoftirqd/321:53:243
155259998,1cyclictest35-21ksoftirqd/321:35:223
155259998,0cyclictest35-21ksoftirqd/322:50:163
155259997,1cyclictest35-21ksoftirqd/322:15:153
155259997,1cyclictest35-21ksoftirqd/322:10:163
155259997,1cyclictest35-21ksoftirqd/320:50:003
155259990,5cyclictest0-21swapper/323:30:063
155249999,0cyclictest0-21swapper/223:40:272
155149998,1cyclictest9-21ksoftirqd/023:05:000
155149998,1cyclictest9-21ksoftirqd/022:55:130
155149998,1cyclictest9-21ksoftirqd/021:25:130
155149993,6cyclictest32509-21kworker/0:223:40:010
20836280,2sleep121-21ksoftirqd/120:25:181
155259988,0cyclictest35-21ksoftirqd/319:10:113
155259987,1cyclictest35-21ksoftirqd/322:05:153
155259987,1cyclictest35-21ksoftirqd/321:24:403
155259987,1cyclictest35-21ksoftirqd/320:15:153
155259987,1cyclictest35-21ksoftirqd/319:45:123
155259987,0cyclictest35-21ksoftirqd/319:35:133
155259986,1cyclictest35-21ksoftirqd/323:00:173
155259986,1cyclictest35-21ksoftirqd/322:20:193
155259986,1cyclictest1029-21snmpd19:32:343
155259986,1cyclictest1029-21snmpd00:03:523
155259980,2cyclictest30575-21apt-get19:40:093
155249987,1cyclictest61650irq/122-eno121:33:282
155249987,1cyclictest28-21ksoftirqd/220:05:002
155249987,1cyclictest28-21ksoftirqd/219:20:112
155249986,1cyclictest61650irq/122-eno122:25:002
155249986,1cyclictest61650irq/122-eno121:40:142
155249986,1cyclictest61650irq/122-eno100:35:142
155249986,1cyclictest28-21ksoftirqd/223:33:372
155249986,1cyclictest28-21ksoftirqd/219:40:002
155249986,1cyclictest1029-21snmpd23:20:032
155249986,1cyclictest1029-21snmpd23:06:052
155249986,1cyclictest1029-21snmpd23:02:422
155249986,1cyclictest1029-21snmpd20:32:422
155249986,1cyclictest1029-21snmpd00:07:562
155249984,2cyclictest548-21systemd-logind23:10:192
155249980,6cyclictest1029-21snmpd00:23:072
155209980,8cyclictest0-21swapper/120:59:581
155209980,3cyclictest0-21swapper/123:03:071
155149988,0cyclictest9-21ksoftirqd/000:09:380
155149987,1cyclictest9-21ksoftirqd/023:50:130
155149987,1cyclictest9-21ksoftirqd/023:15:000
155149987,1cyclictest9-21ksoftirqd/021:05:010
155149986,1cyclictest9-21ksoftirqd/021:10:000
155149986,1cyclictest1029-21snmpd21:24:350
155149986,1cyclictest1029-21snmpd19:54:020
155149984,2cyclictest240-21systemd-journal23:25:000
155149982,1cyclictest415-21ls20:50:190
155149981,6cyclictest30317-21/usr/sbin/munin00:35:200
155149980,7cyclictest2096-21ssh22:27:250
155149980,1cyclictest240-21systemd-journal21:00:000
155259976,1cyclictest35-21ksoftirqd/320:40:013
155259976,0cyclictest35-21ksoftirqd/323:55:303
155259976,0cyclictest35-21ksoftirqd/320:50:163
155259975,1cyclictest35-21ksoftirqd/321:05:153
155259975,1cyclictest35-21ksoftirqd/320:00:163
155259975,1cyclictest35-21ksoftirqd/319:15:173
155259975,1cyclictest35-21ksoftirqd/300:35:153
155259975,1cyclictest23012-21ssh00:25:083
155259975,1cyclictest1029-21snmpd23:42:213
155259975,1cyclictest1029-21snmpd20:42:583
155249976,1cyclictest61650irq/122-eno123:25:172
155249976,1cyclictest61650irq/122-eno122:55:122
155249976,1cyclictest61650irq/122-eno122:34:422
155249976,1cyclictest61650irq/122-eno121:27:512
155249976,1cyclictest61650irq/122-eno120:15:192
155249976,1cyclictest28-21ksoftirqd/200:15:132
155249976,1cyclictest28-21ksoftirqd/200:15:122
155249976,1cyclictest1029-21snmpd19:53:142
155249975,1cyclictest9320-21cat21:10:152
155249975,1cyclictest61650irq/122-eno123:45:132
155249975,1cyclictest61650irq/122-eno121:37:462
155249975,1cyclictest61650irq/122-eno120:20:182
155249975,1cyclictest21008-21ssh23:37:072
155249975,1cyclictest1029-21snmpd22:10:092
155249974,1cyclictest548-21systemd-logind21:02:082
155249973,1cyclictest5899-21ntp_states00:00:182
155249972,5cyclictest0-21swapper/220:59:582
155249970,4cyclictest8175-21diskmemload00:30:182
155209971,6cyclictest0-21swapper/122:23:101
155209970,6cyclictest0-21swapper/120:00:151
155209970,6cyclictest0-21swapper/119:52:201
155209970,5cyclictest30761-21chrt21:39:551
155209970,4cyclictest0-21swapper/121:45:121
155209970,4cyclictest0-21swapper/121:40:121
155209970,4cyclictest0-21swapper/100:38:221
155209970,4cyclictest0-21swapper/100:13:131
155209970,3cyclictest0-21swapper/123:21:001
155209970,1cyclictest0-21swapper/120:50:521
155149976,1cyclictest14148-21ssh22:00:130
155149975,1cyclictest9-21ksoftirqd/000:00:140
155149975,1cyclictest29173-21ssh21:35:220
155149975,1cyclictest18556-21fschecks_time22:50:140
155149975,1cyclictest15441-21ntpq22:45:180
155149975,1cyclictest1029-21snmpd23:30:420
155149975,1cyclictest1029-21snmpd23:15:110
155149975,1cyclictest1029-21snmpd19:23:500
155149975,1cyclictest10035-21sed20:05:000
155149972,5cyclictest27155-21perf21:35:000
155149971,5cyclictest17888-21perf19:15:000
155149971,5cyclictest0-21swapper/019:36:380
155149971,4cyclictest20848-21apt-get22:10:110
155149971,3cyclictest19594-21apt-get20:25:110
155149970,6cyclictest8175-21diskmemload21:50:120
155149970,6cyclictest4465-21ntp_states22:30:180
155149970,6cyclictest29809-21perl23:05:160
155149970,6cyclictest26726-21ssh00:30:110
155149970,6cyclictest20755-21ssh23:36:230
155149970,6cyclictest14400-21ssh00:12:040
155149970,6cyclictest0-21swapper/022:05:150
155149970,6cyclictest0-21swapper/000:25:090
155149970,6cyclictest0-21swapper/000:15:050
155149970,6cyclictest0-21swapper/000:15:050
155149970,4cyclictest0-21swapper/020:15:110
155149970,1cyclictest9880-21ssh22:38:500
155149970,1cyclictest536-21dpkg19:45:000
155149970,1cyclictest26792-21fschecks_time23:45:140
155149970,1cyclictest22948-21cut20:30:150
155149970,1cyclictest19341-21ssh00:20:060
155149970,1cyclictest0-21swapper/023:25:140
155149970,1cyclictest0-21swapper/022:00:000
155149970,1cyclictest0-21swapper/021:45:120
155149970,1cyclictest0-21swapper/020:35:220
12994270,0sleep121-21ksoftirqd/122:42:121
3267260,1sleep10-21swapper/123:13:481
22482260,0sleep10-21swapper/119:20:181
155259965,1cyclictest35-21ksoftirqd/321:00:143
155259965,1cyclictest35-21ksoftirqd/319:20:133
155249966,0cyclictest61650irq/122-eno123:51:222
155249966,0cyclictest61650irq/122-eno123:16:442
155249966,0cyclictest61650irq/122-eno122:50:072
155249966,0cyclictest61650irq/122-eno122:45:162
155249966,0cyclictest61650irq/122-eno122:40:282
155249966,0cyclictest61650irq/122-eno122:35:122
155249966,0cyclictest61650irq/122-eno122:20:152
155249966,0cyclictest61650irq/122-eno121:55:042
155249966,0cyclictest61650irq/122-eno121:45:332
155249966,0cyclictest61650irq/122-eno120:50:192
155249966,0cyclictest61650irq/122-eno120:45:192
155249965,1cyclictest61650irq/122-eno121:50:012
155249965,1cyclictest61650irq/122-eno119:55:182
155249965,1cyclictest61650irq/122-eno100:10:112
155249964,1cyclictest61650irq/122-eno123:55:142
155249964,1cyclictest28-21ksoftirqd/220:35:132
155249964,1cyclictest26675-21apt-get20:40:112
155249964,1cyclictest16057-21ssh21:20:122
155249964,1cyclictest1029-21snmpd00:27:042
155249960,6cyclictest0-21swapper/220:05:172
155249960,5cyclictest0-21swapper/219:25:342
155249960,4cyclictest13670-21aten_r1power_vo22:00:112
155249960,1cyclictest0-21swapper/220:29:462
155249960,1cyclictest0-21swapper/219:15:112
155249960,1cyclictest0-21swapper/219:10:152
155209963,0cyclictest0-21swapper/120:05:221
155209961,3cyclictest0-21swapper/123:25:171
155209960,6cyclictest0-21swapper/121:53:451
155209960,6cyclictest0-21swapper/121:33:231
155209960,6cyclictest0-21swapper/120:45:141
155209960,6cyclictest0-21swapper/119:29:101
155209960,6cyclictest0-21swapper/100:32:411
155209960,5cyclictest0-21swapper/121:12:071
155209960,5cyclictest0-21swapper/119:35:181
155209960,4cyclictest0-21swapper/123:57:151
155209960,4cyclictest0-21swapper/122:02:591
155209960,3cyclictest0-21swapper/122:18:211
155209960,2cyclictest0-21swapper/121:05:111
155209960,1cyclictest0-21swapper/123:45:191
155209960,1cyclictest0-21swapper/120:12:181
155149965,1cyclictest9-21ksoftirqd/019:15:010
155149965,1cyclictest6308-21cat19:55:160
155149965,1cyclictest0-21swapper/020:14:060
155149960,6cyclictest0-21swapper/020:45:100
155149960,6cyclictest0-21swapper/020:23:360
155249955,0cyclictest61650irq/122-eno119:45:022
155249952,2cyclictest6043-21apt-get21:05:112
155209955,0cyclictest0-21swapper/100:06:151
155209952,2cyclictest0-21swapper/121:28:411
155209951,4cyclictest0-21swapper/122:52:161
155209951,1cyclictest0-21swapper/122:10:121
155209950,5cyclictest0-21swapper/121:56:211
155209950,5cyclictest0-21swapper/121:16:441
155209950,5cyclictest0-21swapper/119:45:151
155209950,5cyclictest0-21swapper/100:01:461
155209950,4cyclictest18016-21taskset00:16:561
155209950,4cyclictest18016-21taskset00:16:561
155209950,4cyclictest0-21swapper/123:45:011
155209950,4cyclictest0-21swapper/122:58:041
155209950,4cyclictest0-21swapper/122:31:561
155209950,4cyclictest0-21swapper/121:21:041
155209950,4cyclictest0-21swapper/120:31:571
155209950,3cyclictest0-21swapper/123:19:011
155209950,2cyclictest0-21swapper/122:36:301
155209950,2cyclictest0-21swapper/122:27:581
155209950,2cyclictest0-21swapper/122:07:171
155209950,2cyclictest0-21swapper/100:20:041
155209950,1cyclictest0-21swapper/123:52:021
155209950,1cyclictest0-21swapper/123:07:591
155209950,1cyclictest0-21swapper/100:25:461
155209950,0cyclictest0-21swapper/123:35:271
155209950,0cyclictest0-21swapper/119:57:551
155149954,1cyclictest9-21ksoftirqd/020:40:130
155149950,5cyclictest0-21swapper/019:30:110
155209944,0cyclictest0-21swapper/119:40:011
155209943,1cyclictest5549-21chrt21:01:511
155209943,1cyclictest0-21swapper/120:35:131
155209941,2cyclictest0-21swapper/120:42:151
155209940,3cyclictest0-21swapper/119:15:161
155209940,2cyclictest0-21swapper/120:20:001
155209940,2cyclictest0-21swapper/119:30:101
155209940,1cyclictest0-21swapper/123:30:161
155209940,0cyclictest0-21swapper/119:14:391
155209930,2cyclictest0-21swapper/120:20:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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