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2026-03-28 - 09:13
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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 Sat Mar 28, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180782210160,24sleep20-21swapper/219:09:562
180762201160,26sleep00-21swapper/019:09:540
177712200161,26sleep30-21swapper/319:05:543
180772199161,25sleep10-21swapper/119:09:541
63492210,0sleep00-21swapper/022:25:120
18173991414,0cyclictest35-21ksoftirqd/300:30:133
1816299120,0cyclictest0-21swapper/219:10:112
1816199120,0cyclictest0-21swapper/119:10:111
18158991210,1cyclictest9-21ksoftirqd/023:25:010
1817399119,1cyclictest35-21ksoftirqd/319:30:133
1816299110,11cyclictest0-21swapper/222:36:302
1815899119,1cyclictest9-21ksoftirqd/020:50:130
1815899119,1cyclictest9-21ksoftirqd/020:35:000
1815899119,1cyclictest9-21ksoftirqd/000:25:130
18158991110,1cyclictest9-21ksoftirqd/000:00:190
1817399109,1cyclictest35-21ksoftirqd/300:15:013
1816299108,1cyclictest28-21ksoftirqd/220:15:112
1815899109,1cyclictest9-21ksoftirqd/021:50:000
1815899108,1cyclictest9-21ksoftirqd/022:25:000
1815899108,1cyclictest9-21ksoftirqd/021:35:010
1815899106,2cyclictest9-21ksoftirqd/020:40:000
181739999,0cyclictest35-21ksoftirqd/320:15:003
181739998,1cyclictest35-21ksoftirqd/322:55:143
181739998,1cyclictest35-21ksoftirqd/322:05:533
181739998,0cyclictest35-21ksoftirqd/320:25:223
181739997,1cyclictest35-21ksoftirqd/322:00:183
181739997,1cyclictest11020-21diskmemload00:22:263
181739992,4cyclictest13867-21ssh23:15:183
181629998,1cyclictest28-21ksoftirqd/219:30:012
181629994,2cyclictest240-21systemd-journal23:49:232
181629993,4cyclictest240-21systemd-journal20:10:002
181629990,4cyclictest0-21swapper/220:20:122
181619999,0cyclictest0-21swapper/123:52:011
181619990,8cyclictest0-21swapper/123:35:131
181589998,1cyclictest9-21ksoftirqd/023:05:120
181589998,1cyclictest9-21ksoftirqd/023:00:000
181589998,1cyclictest9-21ksoftirqd/022:15:100
181589998,1cyclictest9-21ksoftirqd/021:50:200
181589998,1cyclictest9-21ksoftirqd/021:40:110
181589998,1cyclictest9-21ksoftirqd/019:10:010
181589998,1cyclictest9-21ksoftirqd/000:15:090
181589992,6cyclictest1255-21expr23:00:130
181589990,0cyclictest13616-21ssh23:57:440
13018290,0sleep30-21swapper/321:50:353
23476280,0sleep20-21swapper/223:29:032
20529280,0sleep10-21swapper/100:05:391
181739988,0cyclictest35-21ksoftirqd/321:20:113
181739987,1cyclictest35-21ksoftirqd/323:30:223
181739987,1cyclictest35-21ksoftirqd/321:40:183
181739986,1cyclictest35-21ksoftirqd/323:35:113
181739986,1cyclictest35-21ksoftirqd/300:05:163
181739980,8cyclictest0-21swapper/323:21:093
181739980,5cyclictest25330-21apt-get22:50:133
181739980,4cyclictest0-21swapper/300:18:493
181739980,3cyclictest0-21swapper/323:10:123
181629987,1cyclictest28-21ksoftirqd/223:09:592
181629986,1cyclictest61650irq/122-eno121:45:112
181629986,1cyclictest61650irq/122-eno121:30:142
181629986,1cyclictest61650irq/122-eno121:20:162
181629986,1cyclictest1747-21ntpd21:50:172
181629982,4cyclictest61650irq/122-eno100:10:542
181619980,8cyclictest0-21swapper/121:25:541
181619980,4cyclictest0-21swapper/120:00:101
181589988,0cyclictest9-21ksoftirqd/023:45:160
181589988,0cyclictest9-21ksoftirqd/023:34:010
181589988,0cyclictest9-21ksoftirqd/000:20:120
181589986,1cyclictest9-21ksoftirqd/023:50:130
181589986,1cyclictest9-21ksoftirqd/022:47:040
181589986,1cyclictest12015-1kworker/u9:223:15:150
181589985,2cyclictest9-21ksoftirqd/019:19:590
181589985,2cyclictest9-21ksoftirqd/000:05:150
181589983,1cyclictest5716-21/usr/sbin/munin19:50:140
181589981,3cyclictest240-21systemd-journal21:19:590
181589980,7cyclictest21939-21ssh21:22:220
181589980,7cyclictest20297-21ssh22:42:380
181589980,7cyclictest11286-21ssh21:10:130
181589980,5cyclictest561-21nscd20:55:130
181739977,0cyclictest35-21ksoftirqd/322:20:163
181739976,1cyclictest35-21ksoftirqd/321:30:153
181739976,1cyclictest35-21ksoftirqd/320:55:003
181739976,1cyclictest35-21ksoftirqd/320:10:003
181739976,1cyclictest35-21ksoftirqd/300:00:133
181739976,1cyclictest22513-21cat19:15:163
181739975,1cyclictest7933-21ssh23:09:203
181739975,1cyclictest35-21ksoftirqd/323:25:163
181739975,1cyclictest35-21ksoftirqd/322:15:153
181739975,1cyclictest35-21ksoftirqd/321:25:153
181739975,1cyclictest35-21ksoftirqd/321:00:143
181739975,1cyclictest35-21ksoftirqd/320:45:003
181739975,1cyclictest28787-21ssh22:11:263
181739975,1cyclictest16969-21ssh21:55:513
181739975,0cyclictest11020-21diskmemload23:53:373
181739972,4cyclictest26909-21cron20:35:013
181739971,5cyclictest561-21nscd21:35:143
181739971,2cyclictest3263-21apt-get23:45:123
181739970,6cyclictest11020-21diskmemload22:46:493
181739970,4cyclictest31835-21apt-get23:40:103
181739970,2cyclictest0-21swapper/321:49:343
181629976,1cyclictest61650irq/122-eno123:35:172
181629976,1cyclictest61650irq/122-eno123:20:182
181629976,1cyclictest61650irq/122-eno122:20:142
181629976,1cyclictest61650irq/122-eno122:15:102
181629976,1cyclictest61650irq/122-eno122:08:212
181629976,1cyclictest61650irq/122-eno121:25:112
181629976,1cyclictest61650irq/122-eno119:45:132
181629976,0cyclictest61650irq/122-eno123:44:382
181629975,1cyclictest61650irq/122-eno123:30:162
181629975,1cyclictest61650irq/122-eno122:55:162
181629975,1cyclictest61650irq/122-eno121:15:102
181629975,1cyclictest28-21ksoftirqd/220:35:132
181629972,4cyclictest6665-21kworker/u8:021:13:332
181629972,4cyclictest13305-21idleruntime-cro22:35:012
181629972,3cyclictest2326-21cat20:50:142
181629970,7cyclictest0-21swapper/200:07:452
181629970,6cyclictest2424-21ssh00:25:152
181629970,4cyclictest0-21swapper/200:35:262
181629970,1cyclictest11020-21diskmemload23:50:192
181619970,4cyclictest0-21swapper/122:15:291
181619970,1cyclictest0-21swapper/122:05:121
181589977,0cyclictest9-21ksoftirqd/020:40:100
181589976,1cyclictest9-21ksoftirqd/022:35:010
181589976,1cyclictest9-21ksoftirqd/019:59:550
181589976,1cyclictest9-21ksoftirqd/019:35:120
181589976,1cyclictest9-21ksoftirqd/019:35:110
181589975,1cyclictest9751-21ssh22:30:120
181589975,1cyclictest9-21ksoftirqd/019:20:130
181589975,1cyclictest9-21ksoftirqd/000:35:140
181589973,3cyclictest0-21swapper/021:00:180
181589973,1cyclictest22445-21/usr/sbin/munin20:25:190
181589971,6cyclictest1313-1kworker/u9:221:37:470
181589971,1cyclictest26322-21latency22:50:170
181589970,7cyclictest0-21swapper/022:05:140
181589970,6cyclictest8203-21apt-get23:10:000
181589970,6cyclictest26377-21ssh21:28:060
181589970,6cyclictest14981-21apt-get21:55:110
181589970,1cyclictest31366-21ssh23:39:360
181589970,1cyclictest11020-21diskmemload22:14:230
181589970,1cyclictest0-21swapper/023:25:140
181589970,1cyclictest0-21swapper/022:00:050
181739966,0cyclictest35-21ksoftirqd/323:55:123
181739966,0cyclictest35-21ksoftirqd/300:35:143
181739965,1cyclictest35-21ksoftirqd/323:00:133
181739965,1cyclictest35-21ksoftirqd/322:40:153
181739965,1cyclictest35-21ksoftirqd/320:20:003
181739965,1cyclictest35-21ksoftirqd/319:40:123
181739965,1cyclictest35-21ksoftirqd/300:25:133
181739965,1cyclictest15548-21ssh22:35:193
181739965,1cyclictest10054-21ntpq21:05:153
181739964,1cyclictest35-21ksoftirqd/322:25:133
181739964,1cyclictest35-21ksoftirqd/321:15:193
181739964,1cyclictest27654-21/usr/sbin/munin20:35:143
181739964,1cyclictest10447-21apt-get20:00:103
181739962,2cyclictest4163-21apt-get20:55:113
181739961,2cyclictest24992-21chrt19:20:173
181739961,2cyclictest10890-21/usr/sbin/munin22:30:163
181739961,1cyclictest13609-21ssh21:12:013
181739960,2cyclictest0-21swapper/319:55:123
181739960,1cyclictest240-21systemd-journal20:49:553
181739960,1cyclictest0-21swapper/319:50:203
181629966,0cyclictest61650irq/122-eno123:15:252
181629966,0cyclictest61650irq/122-eno123:11:132
181629966,0cyclictest61650irq/122-eno122:11:532
181629966,0cyclictest61650irq/122-eno122:00:122
181629966,0cyclictest61650irq/122-eno121:38:312
181629966,0cyclictest61650irq/122-eno121:07:252
181629966,0cyclictest61650irq/122-eno120:14:202
181629966,0cyclictest61650irq/122-eno100:02:142
181629965,1cyclictest61650irq/122-eno123:55:112
181629965,1cyclictest61650irq/122-eno120:30:122
181629965,1cyclictest61650irq/122-eno119:35:202
181629965,1cyclictest61650irq/122-eno119:35:192
181629965,1cyclictest61650irq/122-eno100:30:212
181629965,1cyclictest61650irq/122-eno100:20:122
181629965,1cyclictest25413-21ssh22:50:132
181629965,1cyclictest23612-21ntpq20:25:202
181629964,1cyclictest61650irq/122-eno122:25:112
181629964,1cyclictest61650irq/122-eno121:55:122
181629964,1cyclictest61650irq/122-eno121:40:192
181629964,1cyclictest18181-21fschecks_count22:40:112
181629964,0cyclictest61650irq/122-eno122:45:072
181629963,2cyclictest1102-21tr23:00:132
181629960,6cyclictest0-21swapper/200:15:102
181629960,3cyclictest0-21swapper/219:20:132
181629960,2cyclictest240-21systemd-journal20:00:002
181629960,1cyclictest6538-21apt-get21:00:122
181619961,3cyclictest0-21swapper/122:30:161
181619960,6cyclictest0-21swapper/123:17:251
181619960,6cyclictest0-21swapper/123:10:161
181619960,6cyclictest0-21swapper/100:24:341
181619960,4cyclictest0-21swapper/121:57:011
181619960,3cyclictest0-21swapper/100:26:321
181619960,2cyclictest0-21swapper/100:04:111
181619960,0cyclictest0-21swapper/123:03:021
181589965,1cyclictest9-21ksoftirqd/020:45:150
181589965,1cyclictest9-21ksoftirqd/020:00:110
181589965,1cyclictest9-21ksoftirqd/000:30:120
181589964,1cyclictest9-21ksoftirqd/020:15:150
181589964,1cyclictest9-21ksoftirqd/019:40:210
181589964,1cyclictest16837-21grep20:10:190
181589960,6cyclictest0-21swapper/000:10:110
181589960,5cyclictest26350-21/usr/sbin/munin19:25:170
181589960,0cyclictest598-21ntp_states23:40:160
181589960,0cyclictest0-21swapper/021:08:470
181589960,0cyclictest0-21swapper/019:30:140
8113250,0sleep10-21swapper/122:26:271
181739953,1cyclictest26964-21taskset19:25:133
181739951,1cyclictest6652sleep319:39:113
181739951,1cyclictest6652sleep319:39:103
181739951,1cyclictest20764-21ntp_states19:15:003
181739950,2cyclictest0-21swapper/320:15:113
181739950,2cyclictest0-21swapper/319:45:113
181629955,0cyclictest61650irq/122-eno120:45:192
181629955,0cyclictest61650irq/122-eno120:00:142
181629955,0cyclictest61650irq/122-eno119:50:552
181629955,0cyclictest61650irq/122-eno119:40:012
181629955,0cyclictest61650irq/122-eno119:15:112
181629954,1cyclictest61650irq/122-eno119:30:132
181629951,2cyclictest30654-21/usr/sbin/munin20:40:152
181629950,2cyclictest0-21swapper/220:55:102
181619955,0cyclictest0-21swapper/123:27:551
181619955,0cyclictest0-21swapper/122:42:411
181619955,0cyclictest0-21swapper/100:35:581
181619951,4cyclictest0-21swapper/122:10:121
181619951,4cyclictest0-21swapper/120:51:511
181619951,2cyclictest0-21swapper/120:10:111
181619951,1cyclictest0-21swapper/121:09:591
181619950,5cyclictest0-21swapper/122:20:541
181619950,5cyclictest0-21swapper/121:36:381
181619950,5cyclictest0-21swapper/120:18:181
181619950,5cyclictest0-21swapper/119:40:131
181619950,5cyclictest0-21swapper/119:25:141
181619950,4cyclictest0-21swapper/123:49:541
181619950,3cyclictest0-21swapper/123:40:091
181619950,3cyclictest0-21swapper/122:59:441
181619950,2cyclictest0-21swapper/123:59:301
181619950,2cyclictest0-21swapper/122:46:121
181619950,2cyclictest0-21swapper/122:01:061
181619950,2cyclictest0-21swapper/121:52:411
181619950,2cyclictest0-21swapper/121:31:021
181619950,2cyclictest0-21swapper/121:16:231
181619950,2cyclictest0-21swapper/121:10:161
181619950,1cyclictest0-21swapper/123:30:161
181619950,1cyclictest0-21swapper/121:45:071
181619950,0cyclictest0-21swapper/121:40:191
181619950,0cyclictest0-21swapper/100:10:501
181589954,1cyclictest9-21ksoftirqd/020:05:130
181589951,2cyclictest3365-21apt-get19:45:110
181589950,2cyclictest240-21systemd-journal20:20:010
181619942,2cyclictest0-21swapper/120:55:151
181619941,3cyclictest0-21swapper/121:03:031
181619941,2cyclictest0-21swapper/120:35:121
181619941,1cyclictest0-21swapper/100:15:121
181619940,4cyclictest0-21swapper/119:55:531
181619940,4cyclictest0-21swapper/119:45:191
181619940,4cyclictest0-21swapper/119:33:301
181619940,3cyclictest0-21swapper/120:30:001
181619940,3cyclictest0-21swapper/100:30:321
181619940,2cyclictest0-21swapper/123:05:171
181619940,2cyclictest0-21swapper/122:50:131
181619940,2cyclictest0-21swapper/121:20:221
181619940,2cyclictest0-21swapper/119:15:011
181619940,1cyclictest0-21swapper/120:30:111
181619940,1cyclictest0-21swapper/120:05:171
181619940,1cyclictest0-21swapper/119:35:211
181619940,1cyclictest0-21swapper/119:35:211
181619940,0cyclictest0-21swapper/123:20:341
181619931,1cyclictest0-21swapper/120:45:121
181619931,1cyclictest0-21swapper/119:50:121
181619930,3cyclictest0-21swapper/122:35:131
181619930,2cyclictest0-21swapper/120:40:091
181619930,1cyclictest0-21swapper/120:20:111
181619930,1cyclictest0-21swapper/119:20:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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