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2026-06-10 - 01:48
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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 Jun 10, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143882215152,22sleep30-21swapper/319:06:513
145712201161,26sleep20-21swapper/219:09:152
145552199160,25sleep10-21swapper/119:09:021
143852199158,27sleep00-21swapper/019:06:480
221782690,0sleep10-21swapper/100:24:091
14729991615,1cyclictest28-21ksoftirqd/219:40:142
4342150,0sleep20-21swapper/220:52:272
14729991414,0cyclictest28-21ksoftirqd/221:47:212
14729991413,1cyclictest28-21ksoftirqd/222:17:302
14729991412,1cyclictest28-21ksoftirqd/223:05:002
14729991312,1cyclictest28-21ksoftirqd/221:40:142
14739991210,1cyclictest35-21ksoftirqd/320:00:003
1472999126,3cyclictest61650irq/122-eno121:26:302
14729991212,0cyclictest28-21ksoftirqd/200:10:162
14729991210,1cyclictest28-21ksoftirqd/223:15:192
14729991210,1cyclictest28-21ksoftirqd/200:05:252
1471999122,5cyclictest21674-21perf23:40:000
289362110,0sleep37770-21diskmemload21:36:143
14729991111,0cyclictest2850ksoftirqd/200:26:412
14729991110,1cyclictest28-21ksoftirqd/222:10:502
1471999119,1cyclictest9-21ksoftirqd/023:05:000
1471999119,1cyclictest9-21ksoftirqd/022:20:000
1471999115,5cyclictest9-21ksoftirqd/020:05:120
14719991110,1cyclictest9-21ksoftirqd/020:50:000
14719991110,1cyclictest9-21ksoftirqd/000:35:000
14719991110,1cyclictest9-21ksoftirqd/000:15:010
1473999109,1cyclictest35-21ksoftirqd/323:20:003
1473999108,1cyclictest591-21unixbench_multi22:25:203
1473999100,4cyclictest0-21swapper/321:55:123
1472999109,1cyclictest28-21ksoftirqd/223:51:422
1472999109,1cyclictest28-21ksoftirqd/222:55:002
1472999109,1cyclictest28-21ksoftirqd/222:50:102
1472999109,1cyclictest28-21ksoftirqd/222:00:102
1472999109,1cyclictest28-21ksoftirqd/221:55:172
1472999109,1cyclictest28-21ksoftirqd/221:50:142
1472999109,1cyclictest28-21ksoftirqd/221:20:112
1472999109,1cyclictest28-21ksoftirqd/220:40:002
1472999109,1cyclictest28-21ksoftirqd/200:00:202
1472999108,1cyclictest28-21ksoftirqd/223:30:132
1472999108,1cyclictest28-21ksoftirqd/223:06:262
1472999108,1cyclictest28-21ksoftirqd/222:10:002
1472999108,1cyclictest28-21ksoftirqd/220:25:002
1472999108,1cyclictest0-21swapper/223:10:442
1472999107,2cyclictest28-21ksoftirqd/200:30:172
1472299100,6cyclictest0-21swapper/120:50:121
1471999108,1cyclictest9-21ksoftirqd/019:55:000
1471999102,4cyclictest22528-21date00:25:000
14719991010,0cyclictest9-21ksoftirqd/020:55:000
14719991010,0cyclictest7770-21diskmemload21:15:070
147399997,1cyclictest35-21ksoftirqd/319:40:003
147399992,4cyclictest7770-21diskmemload00:20:123
147399990,5cyclictest7770-21diskmemload23:46:193
147299999,0cyclictest28-21ksoftirqd/223:35:172
147299999,0cyclictest28-21ksoftirqd/223:25:172
147299999,0cyclictest28-21ksoftirqd/223:20:142
147299999,0cyclictest28-21ksoftirqd/223:20:142
147299999,0cyclictest28-21ksoftirqd/200:20:152
147299998,1cyclictest28-21ksoftirqd/223:59:502
147299998,1cyclictest28-21ksoftirqd/223:45:122
147299998,1cyclictest28-21ksoftirqd/223:40:202
147299998,1cyclictest28-21ksoftirqd/222:24:272
147299998,1cyclictest28-21ksoftirqd/221:35:152
147299998,1cyclictest28-21ksoftirqd/221:30:192
147299998,1cyclictest28-21ksoftirqd/221:18:142
147299998,1cyclictest28-21ksoftirqd/200:35:172
147229990,7cyclictest0-21swapper/120:05:181
147199998,1cyclictest9-21ksoftirqd/021:30:000
147199990,8cyclictest1029-21snmpd21:58:350
147399988,0cyclictest7770-21diskmemload21:25:203
147399987,1cyclictest35-21ksoftirqd/321:45:003
147399987,1cyclictest15863-21sensors20:15:173
147399986,1cyclictest35-21ksoftirqd/322:30:053
147399986,1cyclictest2939-21ntpq21:45:173
147399986,1cyclictest1029-21snmpd21:04:303
147399986,1cyclictest1029-21snmpd19:20:333
147399986,1cyclictest1029-21snmpd19:12:093
147399982,4cyclictest18206-21apt-get23:35:113
147399981,6cyclictest2468-21apt-get19:50:103
147399981,4cyclictest14716-21cyclictest21:15:143
147399980,7cyclictest17502-21memory22:05:173
147399980,7cyclictest13936-1kworker/u9:200:15:193
147299988,0cyclictest61650irq/122-eno122:30:142
147299987,1cyclictest28-21ksoftirqd/222:45:202
147299987,1cyclictest28-21ksoftirqd/222:41:072
147299987,1cyclictest28-21ksoftirqd/222:35:442
147299987,1cyclictest28-21ksoftirqd/222:27:052
147299987,1cyclictest28-21ksoftirqd/221:13:162
147299987,1cyclictest28-21ksoftirqd/221:00:132
147299987,1cyclictest28-21ksoftirqd/219:30:212
147299987,1cyclictest28-21ksoftirqd/200:15:452
147299986,1cyclictest61650irq/122-eno120:55:152
147299986,1cyclictest28-21ksoftirqd/219:50:182
147299986,1cyclictest1029-21snmpd19:27:332
147229981,2cyclictest0-21swapper/121:35:171
147229980,6cyclictest0-21swapper/123:46:011
147199987,1cyclictest9-21ksoftirqd/023:50:000
147199987,1cyclictest9-21ksoftirqd/022:20:150
147199987,1cyclictest9-21ksoftirqd/019:15:130
147199987,1cyclictest9-21ksoftirqd/000:30:000
147199986,1cyclictest28557-21apt-get23:05:120
147199982,3cyclictest3390-21kworker/u8:221:24:030
147199981,1cyclictest30200-21ssh21:39:570
147199980,1cyclictest3020-21ssh23:56:510
147199980,1cyclictest20347-21apt-get22:10:110
730270,1sleep10-21swapper/123:55:141
25147270,1sleep10-21swapper/100:27:061
147399976,1cyclictest6645-21ntpq21:50:173
147399976,1cyclictest35-21ksoftirqd/323:30:013
147399976,1cyclictest35-21ksoftirqd/322:18:273
147399976,1cyclictest35-21ksoftirqd/322:05:003
147399976,1cyclictest1029-21snmpd20:43:393
147399976,1cyclictest1029-21snmpd20:00:223
147399975,1cyclictest35-21ksoftirqd/321:20:133
147399975,1cyclictest16399-21ssh23:30:313
147399975,1cyclictest1029-21snmpd22:42:523
147399975,1cyclictest1029-21snmpd20:49:033
147399975,1cyclictest1029-21snmpd00:26:463
147399974,1cyclictest13650irq/124-ahci[0019:35:003
147399970,3cyclictest0-21swapper/322:45:353
147399970,3cyclictest0-21swapper/322:10:593
147399970,3cyclictest0-21swapper/321:30:113
147399970,3cyclictest0-21swapper/300:30:113
147399970,2cyclictest25001-21aten_r1power_po23:00:123
147299976,1cyclictest61650irq/122-eno120:10:212
147299976,1cyclictest28-21ksoftirqd/219:45:162
147299976,1cyclictest28-21ksoftirqd/219:15:012
147299975,1cyclictest28-21ksoftirqd/220:50:002
147299975,1cyclictest28-21ksoftirqd/220:40:142
147299970,1cyclictest0-21swapper/220:30:122
147229977,0cyclictest0-21swapper/119:58:111
147229971,6cyclictest0-21swapper/120:04:401
147229971,3cyclictest0-21swapper/122:35:111
147229970,6cyclictest0-21swapper/120:10:161
147229970,4cyclictest0-21swapper/122:50:201
147229970,4cyclictest0-21swapper/121:25:041
147229970,4cyclictest0-21swapper/119:45:111
147229970,3cyclictest0-21swapper/122:40:111
147229970,1cyclictest0-21swapper/123:00:141
147199977,0cyclictest9-21ksoftirqd/023:30:140
147199977,0cyclictest9-21ksoftirqd/022:05:140
147199976,1cyclictest9-21ksoftirqd/023:50:130
147199976,1cyclictest9-21ksoftirqd/022:55:140
147199976,1cyclictest9-21ksoftirqd/022:40:270
147199976,1cyclictest9-21ksoftirqd/022:30:000
147199976,1cyclictest9-21ksoftirqd/020:30:000
147199976,1cyclictest9-21ksoftirqd/000:00:140
147199976,1cyclictest6293-21/usr/sbin/munin22:35:190
147199976,1cyclictest17913-21tune2fs22:50:130
147199976,1cyclictest1029-21snmpd21:01:450
147199975,1cyclictest16852-21sensors_temp00:15:220
147199974,1cyclictest9-21ksoftirqd/019:45:000
147199974,0cyclictest0-21swapper/020:17:510
147199973,2cyclictest240-21systemd-journal23:17:000
147199971,6cyclictest10519-1kworker/u9:123:29:000
147199971,4cyclictest14720-21memory22:45:160
147199971,3cyclictest0-21swapper/020:40:110
147199971,1cyclictest8026-21ssh21:10:110
147199970,7cyclictest0-21swapper/021:43:160
147199970,6cyclictest23771-21ssh23:40:210
147199970,6cyclictest1879-21aten_r1power_fr21:45:120
147199970,6cyclictest1693-21ssh23:10:390
147199970,6cyclictest0-21swapper/022:00:150
147199970,6cyclictest0-21swapper/021:50:170
147199970,6cyclictest0-21swapper/020:10:110
147199970,6cyclictest0-21swapper/019:55:180
147199970,3cyclictest9038-21kernelversion00:05:200
147199970,1cyclictest6036-21awk22:35:000
147199970,1cyclictest568-21nscd00:35:130
147199970,1cyclictest24291-21grep21:30:180
147199970,1cyclictest240-21systemd-journal20:25:000
147199970,1cyclictest23202-21diskstats19:25:120
147399966,0cyclictest30899-21sensors23:50:203
147399965,1cyclictest9934-21ssh00:05:333
147399965,1cyclictest960-21ssh00:39:443
147399965,1cyclictest7143-21ssh23:20:053
147399965,1cyclictest7143-21ssh23:20:053
147399965,1cyclictest5615-21ntpq00:00:183
147399965,1cyclictest35-21ksoftirqd/321:05:123
147399965,1cyclictest2538-21ssh23:55:273
147399965,1cyclictest24088-21ssh23:40:573
147399965,1cyclictest1779-21ssh23:10:543
147399965,1cyclictest10913-21ntpq20:05:173
147399965,0cyclictest7770-21diskmemload22:56:093
147399964,1cyclictest19197-21apt-get20:25:113
147399964,1cyclictest1029-21snmpd21:13:463
147399963,2cyclictest18521-21ntp_states22:50:173
147399963,1cyclictest240-21systemd-journal20:15:003
147399960,5cyclictest2005-21strings20:55:173
147399960,4cyclictest0-21swapper/323:08:033
147299965,1cyclictest61650irq/122-eno119:35:152
147299965,1cyclictest29613-21kworker/2:119:22:202
147299965,1cyclictest28-21ksoftirqd/221:05:122
147299965,1cyclictest28-21ksoftirqd/220:05:012
147299965,1cyclictest28-21ksoftirqd/220:00:152
147299965,1cyclictest0-21swapper/219:10:102
147299964,1cyclictest14455-21apt-get20:15:092
147299960,6cyclictest0-21swapper/219:55:372
147229963,1cyclictest0-21swapper/123:10:191
147229961,2cyclictest0-21swapper/122:10:111
147229960,6cyclictest0-21swapper/123:33:511
147229960,6cyclictest0-21swapper/123:16:411
147229960,6cyclictest0-21swapper/122:22:541
147229960,6cyclictest0-21swapper/122:15:141
147229960,6cyclictest0-21swapper/121:31:371
147229960,6cyclictest0-21swapper/121:21:101
147229960,6cyclictest0-21swapper/121:15:581
147229960,6cyclictest0-21swapper/120:15:071
147229960,6cyclictest0-21swapper/119:52:221
147229960,6cyclictest0-21swapper/119:42:041
147229960,6cyclictest0-21swapper/119:32:391
147229960,5cyclictest0-21swapper/121:59:441
147229960,5cyclictest0-21swapper/119:12:241
147229960,4cyclictest0-21swapper/123:22:301
147229960,4cyclictest0-21swapper/123:22:301
147229960,4cyclictest0-21swapper/123:09:061
147229960,4cyclictest0-21swapper/122:55:161
147229960,4cyclictest0-21swapper/122:49:271
147229960,2cyclictest0-21swapper/100:39:491
147229960,1cyclictest0-21swapper/121:40:201
147229960,0cyclictest0-21swapper/123:52:591
147199966,0cyclictest9-21ksoftirqd/023:20:140
147199966,0cyclictest9-21ksoftirqd/023:20:140
147199965,1cyclictest9-21ksoftirqd/021:00:000
147199960,6cyclictest0-21swapper/020:35:190
147199960,6cyclictest0-21swapper/019:43:140
147199960,1cyclictest28229-21expr19:35:150
147199960,0cyclictest0-21swapper/020:34:260
147199960,0cyclictest0-21swapper/020:00:110
13159260,0sleep121-21ksoftirqd/100:10:191
1229260,0sleep10-21swapper/122:26:511
147399955,0cyclictest17268-21kworker/3:120:34:283
147399954,0cyclictest7770-21diskmemload22:20:093
147399953,1cyclictest2368-21latency_hist19:50:003
147399953,1cyclictest1029-21snmpd20:53:183
147399953,1cyclictest1029-21snmpd20:36:593
147399951,1cyclictest0-21swapper/319:25:183
147399950,3cyclictest0-21swapper/300:11:413
147399950,2cyclictest7673-21ssh22:35:193
147299954,1cyclictest28-21ksoftirqd/220:25:112
147229954,1cyclictest0-21swapper/123:35:181
147229952,3cyclictest0-21swapper/100:05:231
147229950,5cyclictest0-21swapper/122:31:271
147229950,5cyclictest0-21swapper/121:45:591
147229950,5cyclictest0-21swapper/120:35:161
147229950,5cyclictest0-21swapper/120:30:161
147229950,5cyclictest0-21swapper/119:25:141
147229950,5cyclictest0-21swapper/119:23:391
147229950,5cyclictest0-21swapper/100:18:521
147229950,4cyclictest0-21swapper/120:50:001
147229950,4cyclictest0-21swapper/100:00:161
147229950,3cyclictest0-21swapper/123:40:181
147229950,3cyclictest0-21swapper/122:05:131
147229950,3cyclictest0-21swapper/120:25:111
147229950,3cyclictest0-21swapper/120:20:111
147229950,2cyclictest0-21swapper/100:32:001
147229950,1cyclictest0-21swapper/121:51:071
147229950,0cyclictest0-21swapper/122:01:231
147229950,0cyclictest0-21swapper/120:56:541
147199954,1cyclictest9-21ksoftirqd/021:05:140
147199954,1cyclictest9-21ksoftirqd/019:10:120
147199950,5cyclictest0-21swapper/019:30:020
147399940,2cyclictest17160-21cstates20:20:133
147399940,2cyclictest0-21swapper/319:15:163
147399940,1cyclictest30425-21grep19:40:133
147229944,0cyclictest0-21swapper/121:10:291
147229944,0cyclictest0-21swapper/121:08:331
147229942,1cyclictest0-21swapper/119:35:141
147229940,1cyclictest0-21swapper/123:25:111
147229940,1cyclictest0-21swapper/121:05:001
147199940,1cyclictest0-21swapper/019:20:120
147229931,1cyclictest0-21swapper/120:40:111
147229930,1cyclictest0-21swapper/119:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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