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2026-04-29 - 11:18
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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 Wed Apr 29, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191552217149,53sleep30-21swapper/319:05:063
210812214148,22sleep00-21swapper/019:07:360
209612211177,22sleep20-21swapper/219:06:012
191532198160,24sleep10-21swapper/119:05:041
23432860,0sleep20-21swapper/221:35:122
18562750,1sleep2271rcuc/219:35:132
17082620,1sleep2271rcuc/200:25:142
314872600,0sleep10-21swapper/120:35:161
256972220,0sleep10-21swapper/100:14:311
195792220,0sleep10-21swapper/123:23:251
323402170,0sleep20-21swapper/219:30:132
99492140,0sleep00-21swapper/000:35:170
21360991413,1cyclictest9-21ksoftirqd/022:54:270
78892120,0sleep30-21swapper/323:50:143
2139799120,12cyclictest0-21swapper/221:30:522
2138299120,5cyclictest0-21swapper/120:40:121
21360991211,1cyclictest9-21ksoftirqd/022:45:110
21360991210,1cyclictest9-21ksoftirqd/021:15:000
21404991110,1cyclictest35-21ksoftirqd/320:25:003
2140499111,6cyclictest35-21ksoftirqd/300:00:013
2139799119,1cyclictest28-21ksoftirqd/223:10:142
2139799119,1cyclictest28-21ksoftirqd/220:15:002
21397991110,1cyclictest28-21ksoftirqd/223:05:132
21397991110,1cyclictest28-21ksoftirqd/200:00:152
2138299110,11cyclictest0-21swapper/122:40:121
2136099115,6cyclictest9-21ksoftirqd/023:40:170
21360991110,1cyclictest9-21ksoftirqd/023:25:120
21360991110,1cyclictest9-21ksoftirqd/022:30:000
72972100,0sleep30-21swapper/300:31:363
2140499109,1cyclictest35-21ksoftirqd/323:40:003
2140499109,1cyclictest35-21ksoftirqd/300:05:013
2140499108,1cyclictest35-21ksoftirqd/321:45:123
2139799109,1cyclictest28-21ksoftirqd/223:40:132
2139799109,1cyclictest28-21ksoftirqd/223:00:112
2139799109,1cyclictest28-21ksoftirqd/222:55:142
2139799109,1cyclictest28-21ksoftirqd/222:45:142
2139799109,1cyclictest28-21ksoftirqd/222:35:122
2139799109,1cyclictest0-21swapper/219:25:182
2139799108,1cyclictest28-21ksoftirqd/222:50:142
2139799108,1cyclictest28-21ksoftirqd/222:10:132
2139799108,1cyclictest28-21ksoftirqd/221:40:182
2139799108,1cyclictest28-21ksoftirqd/200:15:122
21397991010,0cyclictest28-21ksoftirqd/223:25:132
21397991010,0cyclictest28-21ksoftirqd/221:25:242
2139799100,8cyclictest61650irq/122-eno123:55:322
2138299100,9cyclictest0-21swapper/123:59:441
2138299100,9cyclictest0-21swapper/123:05:131
2138299100,9cyclictest0-21swapper/122:58:201
2138299100,9cyclictest0-21swapper/100:08:061
2138299100,8cyclictest0-21swapper/121:10:131
2138299100,8cyclictest0-21swapper/100:01:581
2138299100,10cyclictest0-21swapper/100:19:521
2136099109,1cyclictest9-21ksoftirqd/022:20:000
2136099108,1cyclictest9-21ksoftirqd/020:55:000
2136099103,6cyclictest9-21ksoftirqd/020:40:220
2136099100,9cyclictest21055-21/usr/sbin/munin20:15:130
31296290,0sleep20-21swapper/223:39:342
214049998,1cyclictest35-21ksoftirqd/320:50:013
214049998,1cyclictest35-21ksoftirqd/319:50:003
214049997,1cyclictest35-21ksoftirqd/319:53:093
214049997,1cyclictest35-21ksoftirqd/319:15:013
213979998,1cyclictest28-21ksoftirqd/223:20:172
213979998,1cyclictest28-21ksoftirqd/219:45:122
213979997,1cyclictest28-21ksoftirqd/222:20:002
213979992,6cyclictest13371-21sh22:30:522
213829990,7cyclictest0-21swapper/123:38:111
213829990,7cyclictest0-21swapper/120:50:011
213829990,6cyclictest0-21swapper/122:15:211
213829990,6cyclictest0-21swapper/121:25:081
213829990,5cyclictest0-21swapper/120:20:191
213609999,0cyclictest9-21ksoftirqd/020:20:120
213609998,1cyclictest9-21ksoftirqd/023:30:160
213609998,1cyclictest9-21ksoftirqd/023:15:110
213609998,1cyclictest9-21ksoftirqd/021:55:140
213609998,1cyclictest9-21ksoftirqd/021:20:180
213609998,1cyclictest9-21ksoftirqd/000:30:010
213609998,1cyclictest9-21ksoftirqd/000:05:000
213609994,5cyclictest9-21ksoftirqd/023:10:160
213609994,5cyclictest9-21ksoftirqd/023:05:160
213609990,6cyclictest0-21swapper/022:00:150
214049988,0cyclictest35-21ksoftirqd/323:00:133
214049987,1cyclictest35-21ksoftirqd/323:00:003
214049987,1cyclictest35-21ksoftirqd/322:55:003
214049987,1cyclictest35-21ksoftirqd/321:15:163
214049985,1cyclictest35-21ksoftirqd/320:00:523
214049985,1cyclictest35-21ksoftirqd/319:43:053
214049981,5cyclictest0-21swapper/321:59:163
214049980,6cyclictest0-21swapper/323:33:123
213979988,0cyclictest29550-21sensors20:30:192
213979988,0cyclictest28-21ksoftirqd/200:35:162
213979988,0cyclictest28-21ksoftirqd/200:05:122
213979987,1cyclictest28-21ksoftirqd/223:15:132
213979987,1cyclictest28-21ksoftirqd/222:25:122
213979987,1cyclictest28-21ksoftirqd/222:20:132
213979987,1cyclictest28-21ksoftirqd/221:55:142
213979987,1cyclictest28-21ksoftirqd/221:05:122
213979987,1cyclictest28-21ksoftirqd/220:40:212
213979987,1cyclictest28-21ksoftirqd/219:53:082
213979987,1cyclictest28-21ksoftirqd/200:30:162
213979987,1cyclictest28-21ksoftirqd/200:10:142
213979982,6cyclictest28-21ksoftirqd/221:15:162
213979980,7cyclictest0-21swapper/223:54:132
213829980,5cyclictest0-21swapper/123:25:091
213829980,4cyclictest0-21swapper/123:10:211
213609988,0cyclictest9-21ksoftirqd/022:20:130
213609988,0cyclictest9-21ksoftirqd/022:05:170
213609988,0cyclictest9-21ksoftirqd/021:15:210
213609988,0cyclictest9-21ksoftirqd/020:10:110
213609987,1cyclictest9-21ksoftirqd/022:55:110
213609987,1cyclictest9-21ksoftirqd/022:40:140
213609987,1cyclictest9-21ksoftirqd/021:40:120
213609987,1cyclictest9-21ksoftirqd/021:25:140
213609987,1cyclictest9-21ksoftirqd/021:05:120
213609987,1cyclictest9-21ksoftirqd/020:05:110
213609987,1cyclictest9-21ksoftirqd/020:05:110
213609987,1cyclictest9-21ksoftirqd/019:30:000
213609987,1cyclictest9-21ksoftirqd/019:15:110
213609987,1cyclictest9-21ksoftirqd/019:15:000
213609987,1cyclictest9-21ksoftirqd/000:22:510
213609986,1cyclictest9-21ksoftirqd/019:40:140
213609981,2cyclictest0-21swapper/023:20:100
213609980,6cyclictest15572-21kworker/0:023:00:160
213609980,6cyclictest15572-21kworker/0:021:30:130
213609980,4cyclictest11811-21runrttasks21:46:050
214049976,1cyclictest35-21ksoftirqd/322:40:003
214049976,1cyclictest35-21ksoftirqd/322:20:003
214049976,1cyclictest35-21ksoftirqd/321:45:003
214049976,1cyclictest35-21ksoftirqd/321:05:003
214049976,1cyclictest35-21ksoftirqd/321:00:003
214049976,1cyclictest35-21ksoftirqd/300:15:003
214049976,1cyclictest26939-21perf19:20:003
214049975,1cyclictest4794-21ssh21:37:353
214049975,1cyclictest35-21ksoftirqd/300:10:003
214049975,1cyclictest23367-21ssh22:01:523
214049974,0cyclictest14370-21diskmemload23:09:503
214049973,0cyclictest21340-21cyclictest21:10:003
214049971,2cyclictest0-21swapper/320:30:013
214049970,6cyclictest15560-21kworker/u8:020:31:233
214049970,3cyclictest0-21swapper/322:25:343
214049970,2cyclictest0-21swapper/321:34:543
213979977,0cyclictest28-21ksoftirqd/222:40:172
213979977,0cyclictest28-21ksoftirqd/221:20:212
213979976,1cyclictest61650irq/122-eno123:30:202
213979976,1cyclictest61650irq/122-eno122:02:382
213979976,1cyclictest61650irq/122-eno119:20:122
213979976,1cyclictest28-21ksoftirqd/221:47:342
213979976,1cyclictest28-21ksoftirqd/220:05:132
213979976,1cyclictest28-21ksoftirqd/220:05:132
213979976,1cyclictest28-21ksoftirqd/220:00:002
213979975,1cyclictest61650irq/122-eno121:15:002
213979975,1cyclictest61650irq/122-eno100:20:112
213979975,1cyclictest28-21ksoftirqd/221:50:222
213979975,1cyclictest28-21ksoftirqd/220:19:592
213979974,1cyclictest28-21ksoftirqd/220:00:522
213979974,1cyclictest28-21ksoftirqd/219:43:052
213979970,7cyclictest0-21swapper/221:00:262
213829973,4cyclictest0-21swapper/119:45:191
213829972,1cyclictest0-21swapper/122:47:191
213829971,2cyclictest0-21swapper/122:08:431
213829970,7cyclictest0-21swapper/123:49:251
213829970,7cyclictest0-21swapper/122:37:161
213829970,6cyclictest0-21swapper/123:50:051
213829970,6cyclictest0-21swapper/122:30:151
213829970,6cyclictest0-21swapper/120:26:291
213829970,6cyclictest0-21swapper/119:20:131
213829970,5cyclictest0-21swapper/123:00:211
213829970,5cyclictest0-21swapper/100:21:381
213829970,4cyclictest0-21swapper/121:55:201
213829970,4cyclictest0-21swapper/121:34:521
213829970,4cyclictest0-21swapper/100:30:411
213829970,3cyclictest0-21swapper/123:30:011
213829970,3cyclictest0-21swapper/121:16:291
213829970,3cyclictest0-21swapper/121:05:121
213609977,0cyclictest9-21ksoftirqd/023:54:130
213609976,1cyclictest9-21ksoftirqd/021:50:140
213609976,1cyclictest9-21ksoftirqd/021:35:170
213609976,1cyclictest9-21ksoftirqd/021:00:110
213609976,1cyclictest9-21ksoftirqd/020:00:110
213609976,1cyclictest9-21ksoftirqd/019:35:000
213609970,1cyclictest30880-21ssh23:38:230
213609970,1cyclictest28395-21ssh00:16:330
12132270,0sleep30-21swapper/323:13:423
214049965,1cyclictest35-21ksoftirqd/322:15:213
214049965,1cyclictest35-21ksoftirqd/320:40:003
214049965,1cyclictest35-21ksoftirqd/320:10:133
214049965,1cyclictest35-21ksoftirqd/319:30:013
214049965,1cyclictest3435-21ssh00:26:213
214049965,1cyclictest32099-21ssh00:21:213
214049965,1cyclictest27999-21ssh00:15:273
214049965,1cyclictest23646-21cat22:45:153
214049965,1cyclictest23439-21ssh23:28:413
214049965,1cyclictest16718-21ssh21:11:223
214049965,1cyclictest15483-21ssh23:17:333
214049964,1cyclictest35-21ksoftirqd/320:05:193
214049964,1cyclictest35-21ksoftirqd/320:05:193
214049964,1cyclictest35-21ksoftirqd/300:35:193
214049964,1cyclictest21931-21ssh22:43:373
214049963,1cyclictest26536-21apt-get21:25:123
214049963,1cyclictest23376-21hddtemp_smartct21:20:163
214049962,0cyclictest14370-21diskmemload21:53:033
214049960,3cyclictest0-21swapper/323:46:183
214049960,2cyclictest28003-21apt-get23:35:123
214049960,1cyclictest0-21swapper/320:40:143
213979966,0cyclictest61650irq/122-eno120:52:542
213979966,0cyclictest61650irq/122-eno120:45:462
213979966,0cyclictest28-21ksoftirqd/219:15:192
213979966,0cyclictest15573-21kworker/2:122:05:122
213979965,1cyclictest61650irq/122-eno120:35:322
213979965,1cyclictest28-21ksoftirqd/221:00:002
213979965,1cyclictest22465-21tune2fs19:10:162
213979965,1cyclictest15573-21kworker/2:123:45:042
213979965,1cyclictest15573-21kworker/2:120:29:282
213979960,5cyclictest0-21swapper/220:20:162
213829961,3cyclictest0-21swapper/121:01:451
213829960,6cyclictest0-21swapper/100:25:531
213829960,5cyclictest0-21swapper/122:50:041
213829960,5cyclictest0-21swapper/122:03:251
213829960,5cyclictest0-21swapper/121:41:501
213829960,4cyclictest0-21swapper/123:17:261
213829960,4cyclictest0-21swapper/122:20:181
213829960,3cyclictest0-21swapper/121:51:081
213829960,3cyclictest0-21swapper/121:20:181
213829960,3cyclictest0-21swapper/100:35:071
213829960,1cyclictest0-21swapper/121:35:141
213829960,1cyclictest0-21swapper/119:40:161
213609966,0cyclictest9-21ksoftirqd/020:30:130
213609965,1cyclictest9-21ksoftirqd/020:55:210
213609965,1cyclictest9-21ksoftirqd/019:35:150
213609965,1cyclictest9-21ksoftirqd/000:10:120
213609965,1cyclictest11369-21ssh22:30:080
213609965,1cyclictest0-21swapper/020:35:210
213609960,4cyclictest693-21runrttasks22:35:540
213609960,0cyclictest5028-21ssh00:30:080
213609960,0cyclictest0-21swapper/023:55:180
213609960,0cyclictest0-21swapper/023:45:260
213609960,0cyclictest0-21swapper/022:11:100
213609960,0cyclictest0-21swapper/020:00:000
213609960,0cyclictest0-21swapper/000:05:510
17209260,1sleep121-21ksoftirqd/120:05:171
17209260,1sleep121-21ksoftirqd/120:05:161
214049954,1cyclictest3751-21sshd19:37:503
214049954,1cyclictest28957-21sshd19:20:473
214049954,1cyclictest16642-21ssh23:20:053
214049954,1cyclictest14370-21diskmemload22:10:133
214049951,2cyclictest0-21swapper/322:05:203
214049950,2cyclictest0-21swapper/322:30:193
214049950,1cyclictest0-21swapper/319:55:203
213829955,0cyclictest0-21swapper/123:41:201
213829951,3cyclictest0-21swapper/119:10:141
213829951,2cyclictest0-21swapper/119:15:131
213829950,5cyclictest0-21swapper/122:11:081
213829950,4cyclictest0-21swapper/120:15:011
213829950,4cyclictest0-21swapper/119:39:551
213829950,3cyclictest0-21swapper/122:28:461
213829950,3cyclictest0-21swapper/121:45:051
213829950,2cyclictest0-21swapper/120:15:001
213829950,1cyclictest0-21swapper/120:30:201
213609955,0cyclictest9-21ksoftirqd/020:45:120
213609955,0cyclictest9-21ksoftirqd/020:25:200
213609954,1cyclictest9-21ksoftirqd/019:45:120
213609954,1cyclictest9-21ksoftirqd/019:20:170
213609951,1cyclictest8990-21/usr/sbin/munin19:50:180
214049942,1cyclictest5769-21fschecks_time20:50:143
214049942,1cyclictest20977-21gpgv20:15:013
214049940,2cyclictest0-21swapper/319:30:133
213829943,1cyclictest0-21swapper/120:00:111
213829942,1cyclictest5665-21taskset20:50:131
213829942,1cyclictest0-21swapper/119:55:131
213829941,2cyclictest0-21swapper/119:30:111
213829940,4cyclictest0-21swapper/120:55:211
213829940,3cyclictest0-21swapper/119:54:551
213829940,3cyclictest0-21swapper/119:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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