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2026-03-14 - 12:57
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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 14, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119212215149,23sleep20-21swapper/219:09:362
118982203149,20sleep10-21swapper/119:09:181
118052200161,25sleep00-21swapper/019:08:050
116022199160,26sleep30-21swapper/319:05:263
310542720,0sleep10-21swapper/120:55:151
71442710,0sleep20-21swapper/223:56:382
210222670,0sleep10-21swapper/123:33:541
110282190,0sleep00-21swapper/000:01:370
25302180,1sleep22490-21gltestperf19:55:162
169882180,0sleep00-21swapper/023:28:290
12056991814,1cyclictest28-21ksoftirqd/223:34:152
1204699160,0cyclictest0-21swapper/021:55:100
12056991514,1cyclictest28-21ksoftirqd/221:39:302
12048991515,0cyclictest0-21swapper/122:37:491
12056991313,0cyclictest28-21ksoftirqd/222:34:072
12056991311,1cyclictest28-21ksoftirqd/220:40:002
1204899130,12cyclictest0-21swapper/119:25:111
12056991210,1cyclictest28-21ksoftirqd/223:40:152
12056991210,1cyclictest28-21ksoftirqd/223:15:002
12056991210,1cyclictest28-21ksoftirqd/222:20:002
12061991111,0cyclictest35-21ksoftirqd/323:04:593
1205699119,1cyclictest28-21ksoftirqd/223:50:142
1205699119,1cyclictest28-21ksoftirqd/219:50:002
1205699119,1cyclictest28-21ksoftirqd/200:00:192
12056991110,1cyclictest61650irq/122-eno121:25:132
12056991110,1cyclictest28-21ksoftirqd/222:20:142
12056991110,1cyclictest28-21ksoftirqd/221:45:162
12056991110,1cyclictest28-21ksoftirqd/200:35:182
12056991110,1cyclictest28-21ksoftirqd/200:19:362
1204699112,5cyclictest27643-21wc22:20:000
1204699111,5cyclictest19828-21date19:25:000
1206199109,1cyclictest35-21ksoftirqd/323:20:013
1206199100,8cyclictest14593-21munin-node19:23:233
1205699109,1cyclictest28-21ksoftirqd/221:30:182
1205699109,1cyclictest28-21ksoftirqd/221:15:172
1205699109,1cyclictest28-21ksoftirqd/221:10:002
1205699109,1cyclictest28-21ksoftirqd/220:35:002
1205699100,4cyclictest0-21swapper/200:30:102
1204699109,1cyclictest9-21ksoftirqd/020:35:000
1204699108,1cyclictest9-21ksoftirqd/019:45:000
1204699103,4cyclictest13725-21perf23:25:000
1204699102,4cyclictest32503-21ls21:00:000
1204699102,4cyclictest24534-21perf19:35:000
120619999,0cyclictest35-21ksoftirqd/321:50:123
120619998,1cyclictest35-21ksoftirqd/323:25:203
120619998,1cyclictest35-21ksoftirqd/322:50:133
120619998,1cyclictest35-21ksoftirqd/300:00:133
120569999,0cyclictest28-21ksoftirqd/221:22:002
120569999,0cyclictest228771/usr/sbin/munin22:55:162
120569999,0cyclictest0-21swapper/200:24:112
120569998,1cyclictest28-21ksoftirqd/223:06:312
120569998,1cyclictest28-21ksoftirqd/222:50:132
120569998,1cyclictest28-21ksoftirqd/222:45:152
120569998,1cyclictest28-21ksoftirqd/220:30:002
120569997,1cyclictest28-21ksoftirqd/223:00:112
120569990,9cyclictest0-21swapper/221:50:362
120569990,1cyclictest4723-21diskmemload22:35:192
120469992,6cyclictest16983-21/usr/sbin/munin21:25:200
120469991,4cyclictest23027-21cat20:40:000
120619988,0cyclictest35-21ksoftirqd/323:05:193
120619987,1cyclictest35-21ksoftirqd/322:45:233
120619987,1cyclictest35-21ksoftirqd/322:00:133
120619987,1cyclictest35-21ksoftirqd/321:50:003
120619987,1cyclictest35-21ksoftirqd/321:40:133
120619987,1cyclictest35-21ksoftirqd/319:40:133
120619987,1cyclictest35-21ksoftirqd/319:15:023
120619987,1cyclictest35-21ksoftirqd/319:10:103
120619986,1cyclictest8031-21cat22:35:153
120619986,1cyclictest707-21snmpd20:12:343
120619986,1cyclictest707-21snmpd20:05:553
120619986,1cyclictest707-21snmpd19:27:143
120619986,1cyclictest707-21snmpd00:28:453
120619986,1cyclictest35-21ksoftirqd/322:20:163
120619986,1cyclictest35-21ksoftirqd/320:59:203
120619980,4cyclictest0-21swapper/321:55:103
120569988,0cyclictest28-21ksoftirqd/221:40:102
120569988,0cyclictest28-21ksoftirqd/220:20:132
120569988,0cyclictest28-21ksoftirqd/219:15:012
120569987,1cyclictest28-21ksoftirqd/223:45:192
120569987,1cyclictest28-21ksoftirqd/223:28:132
120569987,1cyclictest28-21ksoftirqd/222:25:112
120569987,1cyclictest28-21ksoftirqd/222:03:522
120569987,1cyclictest28-21ksoftirqd/219:25:172
120569987,1cyclictest28-21ksoftirqd/200:28:322
120569987,1cyclictest28-21ksoftirqd/200:06:002
120569986,1cyclictest28-21ksoftirqd/221:10:532
120569986,1cyclictest28-21ksoftirqd/220:45:012
120569986,1cyclictest28-21ksoftirqd/219:30:102
120569986,1cyclictest28-21ksoftirqd/219:14:592
120569986,1cyclictest15983-21sh22:05:042
120569981,1cyclictest0-21swapper/223:23:252
120489980,2cyclictest0-21swapper/119:10:111
120469986,1cyclictest707-21snmpd22:35:060
120469986,1cyclictest490-21ntpq22:25:180
120469984,2cyclictest240-21systemd-journal23:55:000
120469983,4cyclictest27281-21ssh23:00:110
120469982,3cyclictest11938-21apt-get22:00:120
120469982,1cyclictest20015-21/usr/sbin/munin19:25:120
120469981,6cyclictest4947-21ssh21:10:030
120469981,5cyclictest0-21swapper/023:45:120
120469981,3cyclictest8617-21perf20:10:000
120469981,1cyclictest0-21swapper/021:45:220
120469980,7cyclictest7337-21ssh23:57:090
120469980,7cyclictest27894-21rm22:20:110
120469980,7cyclictest14919-21apt-get22:45:150
120469980,6cyclictest0-21swapper/023:40:190
120469980,5cyclictest0-21swapper/021:20:110
120619977,0cyclictest35-21ksoftirqd/300:10:133
120619976,1cyclictest35-21ksoftirqd/322:30:133
120619976,1cyclictest35-21ksoftirqd/321:30:123
120619976,1cyclictest35-21ksoftirqd/300:25:003
120619976,1cyclictest26826-21ntpq23:40:173
120619976,1cyclictest1132-21cat21:00:143
120619975,1cyclictest707-21snmpd22:42:423
120619975,1cyclictest707-21snmpd22:13:353
120619975,1cyclictest707-21snmpd20:40:023
120619975,1cyclictest707-21snmpd20:33:293
120619975,1cyclictest707-21snmpd20:04:523
120619975,1cyclictest707-21snmpd19:56:243
120619975,1cyclictest707-21snmpd19:48:003
120619975,1cyclictest707-21snmpd19:33:333
120619975,1cyclictest35-21ksoftirqd/322:25:203
120619975,1cyclictest35-21ksoftirqd/321:20:003
120619975,1cyclictest35-21ksoftirqd/320:45:133
120619975,1cyclictest19913-21ssh21:27:593
120619975,1cyclictest15152-21ssh21:21:243
120619972,4cyclictest769-21lldpd20:37:453
120619971,4cyclictest29535-21apt-get23:45:113
120619971,1cyclictest26347-21mailstats21:35:193
120619971,1cyclictest240-21systemd-journal23:25:003
120619971,1cyclictest240-21systemd-journal23:14:553
120569976,1cyclictest9311-21sh20:10:132
120569976,1cyclictest61650irq/122-eno122:10:122
120569976,1cyclictest28-21ksoftirqd/221:00:122
120569976,1cyclictest28-21ksoftirqd/219:35:182
120569976,1cyclictest24840-21kworker/2:123:38:502
120569976,1cyclictest24840-21kworker/2:120:50:142
120569976,1cyclictest24840-21kworker/2:100:10:102
120569976,0cyclictest28-21ksoftirqd/223:15:002
120569975,1cyclictest28-21ksoftirqd/222:40:122
120569975,1cyclictest28-21ksoftirqd/221:55:132
120569975,1cyclictest28-21ksoftirqd/220:20:012
120569975,1cyclictest28-21ksoftirqd/219:20:122
120569970,6cyclictest0-21swapper/219:43:152
120569970,2cyclictest271rcuc/220:45:102
120489976,1cyclictest0-21swapper/123:06:191
120489974,0cyclictest0-21swapper/123:51:461
120489971,6cyclictest0-21swapper/122:43:271
120489971,2cyclictest0-21swapper/121:53:521
120489970,6cyclictest0-21swapper/120:50:261
120489970,3cyclictest0-21swapper/123:43:351
120489970,3cyclictest0-21swapper/123:21:321
120489970,3cyclictest0-21swapper/122:05:571
120489970,1cyclictest0-21swapper/123:26:071
120489970,1cyclictest0-21swapper/120:12:161
120469976,1cyclictest707-21snmpd20:17:130
120469975,1cyclictest707-21snmpd19:39:520
120469975,1cyclictest707-21snmpd19:17:110
120469975,1cyclictest21819-21ssh22:10:380
120469975,1cyclictest10821-21ssh21:15:270
120469973,2cyclictest240-21systemd-journal00:15:000
120469970,7cyclictest0-21swapper/023:32:150
120469970,7cyclictest0-21swapper/022:59:580
120469970,6cyclictest8046-21ssh23:15:290
120469970,6cyclictest32545-21ssh23:05:340
120469970,6cyclictest23603-21ssh23:35:310
120469970,6cyclictest20708-21cstates00:15:100
120469970,6cyclictest18925-21ssh22:50:020
120469970,6cyclictest0-21swapper/021:35:170
120469970,6cyclictest0-21swapper/020:40:150
120469970,3cyclictest16504-21cstates22:05:120
120469970,1cyclictest4723-21diskmemload00:35:280
120469970,1cyclictest32638-21latency_hist21:45:000
120469970,1cyclictest28706-21ssh00:25:130
120469970,1cyclictest0-21swapper/023:10:150
120469970,1cyclictest0-21swapper/022:40:240
120469970,1cyclictest0-21swapper/021:50:120
120469970,1cyclictest0-21swapper/019:55:150
120469970,1cyclictest0-21swapper/000:21:180
120469970,1cyclictest0-21swapper/000:05:130
120619966,0cyclictest35-21ksoftirqd/323:35:143
120619966,0cyclictest35-21ksoftirqd/322:55:133
120619965,1cyclictest707-21snmpd00:37:523
120619965,1cyclictest35-21ksoftirqd/323:55:123
120619965,1cyclictest35-21ksoftirqd/323:50:123
120619965,1cyclictest35-21ksoftirqd/322:15:133
120619965,1cyclictest35-21ksoftirqd/322:05:133
120619965,1cyclictest35-21ksoftirqd/321:05:103
120619965,1cyclictest35-21ksoftirqd/320:25:123
120619965,1cyclictest35-21ksoftirqd/320:20:003
120619965,1cyclictest35-21ksoftirqd/320:15:143
120619965,1cyclictest35-21ksoftirqd/300:15:123
120619965,1cyclictest25613-21cat19:35:153
120619965,1cyclictest20256-21ssh23:31:543
120619965,1cyclictest15122-21ssh00:07:123
120619964,1cyclictest707-21snmpd19:53:393
120619964,1cyclictest35-21ksoftirqd/320:55:013
120619960,4cyclictest707-21snmpd21:13:033
120619960,4cyclictest32536-21df_inode00:30:123
120569966,0cyclictest61650irq/122-eno120:55:112
120569966,0cyclictest61650irq/122-eno119:53:372
120569965,1cyclictest707-21snmpd20:07:582
120569960,6cyclictest271rcuc/220:00:182
120489962,1cyclictest0-21swapper/121:29:081
120489961,3cyclictest0-21swapper/121:20:111
120489960,6cyclictest0-21swapper/123:45:151
120489960,6cyclictest0-21swapper/122:20:171
120489960,6cyclictest0-21swapper/121:44:401
120489960,6cyclictest0-21swapper/120:45:471
120489960,6cyclictest0-21swapper/120:32:481
120489960,6cyclictest0-21swapper/120:21:071
120489960,6cyclictest0-21swapper/120:08:431
120489960,6cyclictest0-21swapper/100:34:271
120489960,5cyclictest0-21swapper/122:15:131
120489960,5cyclictest0-21swapper/121:35:151
120489960,4cyclictest0-21swapper/123:36:571
120489960,4cyclictest0-21swapper/100:03:401
120489960,3cyclictest0-21swapper/120:15:111
120489960,2cyclictest0-21swapper/122:58:421
120489960,2cyclictest0-21swapper/122:45:211
120489960,2cyclictest0-21swapper/122:11:181
120489960,2cyclictest0-21swapper/120:40:111
120489960,2cyclictest0-21swapper/119:40:141
120489960,1cyclictest0-21swapper/122:04:191
120489960,1cyclictest0-21swapper/121:07:481
120469965,1cyclictest707-21snmpd21:07:360
120469965,1cyclictest29097-21ntpq20:50:170
120469965,1cyclictest22408-1kworker/u9:122:30:070
120469963,2cyclictest31057-21grep19:45:190
120469961,5cyclictest0-21swapper/019:50:360
120469961,3cyclictest14352-21cron19:14:590
120469960,5cyclictest32498-21cstates00:30:120
120469960,0cyclictest0-21swapper/021:30:550
120469960,0cyclictest0-21swapper/020:48:370
120469960,0cyclictest0-21swapper/020:29:290
120469960,0cyclictest0-21swapper/020:23:070
120469960,0cyclictest0-21swapper/020:10:330
120469960,0cyclictest0-21swapper/020:00:390
120489955,0cyclictest0-21swapper/121:18:491
120489955,0cyclictest0-21swapper/121:12:561
120489952,0cyclictest0-21swapper/100:35:191
120489951,1cyclictest19753-21chrt19:24:471
120489951,1cyclictest0-21swapper/121:30:121
120489950,5cyclictest0-21swapper/123:01:321
120489950,5cyclictest0-21swapper/119:36:301
120489950,5cyclictest0-21swapper/100:20:181
120489950,4cyclictest0-21swapper/100:11:331
120489950,3cyclictest0-21swapper/122:30:381
120489950,3cyclictest0-21swapper/122:25:111
120489950,3cyclictest0-21swapper/121:45:391
120489950,3cyclictest0-21swapper/100:15:121
120489950,2cyclictest0-21swapper/123:56:231
120489950,2cyclictest0-21swapper/100:25:201
120489950,2cyclictest0-21swapper/100:05:201
120489950,1cyclictest0-21swapper/123:17:211
120489950,1cyclictest0-21swapper/121:56:031
120489950,1cyclictest0-21swapper/119:50:171
120469953,1cyclictest32665-21/usr/sbin/munin21:00:150
120489942,1cyclictest29451-21chrt19:45:101
120489942,1cyclictest0-21swapper/119:30:191
120489941,2cyclictest0-21swapper/121:00:101
120489941,2cyclictest0-21swapper/120:35:101
120489940,4cyclictest0-21swapper/120:03:491
120489940,4cyclictest0-21swapper/119:55:211
120489940,3cyclictest0-21swapper/123:10:101
120489940,1cyclictest0-21swapper/122:50:051
120489940,1cyclictest0-21swapper/120:28:531
120489940,1cyclictest0-21swapper/119:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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