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2026-06-13 - 05:55
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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 792 highest latencies:
System rack1slot1.osadl.org (updated Sat Jun 13, 2026 00:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97612213174,26sleep30-21swapper/319:08:483
97732201163,24sleep00-21swapper/019:08:570
96112199158,27sleep20-21swapper/219:06:492
97742196158,25sleep10-21swapper/119:08:571
178192650,0sleep121-21ksoftirqd/120:30:191
230042190,0sleep20-21swapper/200:31:142
993499170,17cyclictest0-21swapper/100:10:111
98732170,0sleep20-21swapper/222:45:172
992699169,6cyclictest9-21ksoftirqd/023:45:170
9942991413,1cyclictest28-21ksoftirqd/222:30:012
9942991312,1cyclictest28-21ksoftirqd/222:05:092
9926991312,1cyclictest9-21ksoftirqd/022:54:590
9942991212,0cyclictest28-21ksoftirqd/223:21:242
9942991212,0cyclictest0-21swapper/220:35:152
9942991210,1cyclictest28-21ksoftirqd/219:15:012
9926991210,1cyclictest9-21ksoftirqd/022:35:010
9926991210,1cyclictest9-21ksoftirqd/022:35:000
9926991210,1cyclictest9-21ksoftirqd/022:09:590
9942991110,1cyclictest28-21ksoftirqd/222:23:072
9942991110,1cyclictest28-21ksoftirqd/222:10:162
9942991110,1cyclictest28-21ksoftirqd/220:35:012
993499110,4cyclictest0-21swapper/122:20:111
992699119,1cyclictest9-21ksoftirqd/020:40:000
995099109,1cyclictest35-21ksoftirqd/322:15:133
9950991010,0cyclictest35-21ksoftirqd/321:09:593
994299109,1cyclictest28-21ksoftirqd/223:45:152
994299109,1cyclictest28-21ksoftirqd/223:30:192
994299109,1cyclictest28-21ksoftirqd/222:50:142
994299109,1cyclictest28-21ksoftirqd/222:15:172
994299109,1cyclictest28-21ksoftirqd/222:01:122
994299109,1cyclictest28-21ksoftirqd/221:35:142
994299109,1cyclictest28-21ksoftirqd/221:00:012
994299109,1cyclictest28-21ksoftirqd/220:45:012
994299109,1cyclictest28-21ksoftirqd/219:45:002
994299108,1cyclictest28-21ksoftirqd/223:10:112
9942991010,0cyclictest28-21ksoftirqd/222:43:092
9942991010,0cyclictest28-21ksoftirqd/221:50:442
9942991010,0cyclictest28-21ksoftirqd/200:37:082
9942991010,0cyclictest28-21ksoftirqd/200:16:192
992699109,1cyclictest9-21ksoftirqd/023:50:160
992699109,1cyclictest9-21ksoftirqd/022:35:100
992699109,1cyclictest9-21ksoftirqd/000:30:110
992699109,1cyclictest9-21ksoftirqd/000:15:190
992699108,1cyclictest9-21ksoftirqd/023:15:110
992699107,2cyclictest9-21ksoftirqd/021:20:090
992699104,5cyclictest29713-21perf19:50:010
992699102,4cyclictest9096-21perf20:14:590
9926991010,0cyclictest9-21ksoftirqd/023:38:380
9926991010,0cyclictest9-21ksoftirqd/022:40:190
9926991010,0cyclictest9-21ksoftirqd/000:14:390
246412100,0sleep30-21swapper/321:38:193
99509998,1cyclictest35-21ksoftirqd/323:10:123
99509998,1cyclictest35-21ksoftirqd/323:10:003
99509998,1cyclictest35-21ksoftirqd/320:45:103
99509997,1cyclictest35-21ksoftirqd/322:35:013
99509997,1cyclictest35-21ksoftirqd/322:35:013
99509997,1cyclictest35-21ksoftirqd/321:29:593
99509994,2cyclictest240-21systemd-journal22:05:003
99429999,0cyclictest28-21ksoftirqd/223:55:182
99429999,0cyclictest28-21ksoftirqd/223:50:122
99429999,0cyclictest28-21ksoftirqd/223:35:122
99429999,0cyclictest28-21ksoftirqd/221:46:352
99429998,1cyclictest28-21ksoftirqd/223:05:182
99429998,1cyclictest28-21ksoftirqd/222:35:152
99429998,1cyclictest28-21ksoftirqd/222:30:092
99429998,1cyclictest28-21ksoftirqd/222:30:092
99429998,1cyclictest28-21ksoftirqd/200:08:112
99429998,1cyclictest28-21ksoftirqd/200:00:142
99429997,1cyclictest28-21ksoftirqd/223:00:182
99429997,1cyclictest28-21ksoftirqd/221:40:512
99429997,1cyclictest28-21ksoftirqd/219:30:192
99429997,1cyclictest28-21ksoftirqd/219:10:092
99429994,4cyclictest28-21ksoftirqd/200:28:352
99429990,5cyclictest1029-21snmpd00:13:202
99349990,8cyclictest0-21swapper/123:29:201
99349990,8cyclictest0-21swapper/122:02:121
99349990,8cyclictest0-21swapper/121:45:581
99349990,8cyclictest0-21swapper/100:37:411
99349990,8cyclictest0-21swapper/100:25:431
99349990,8cyclictest0-21swapper/100:05:551
99349990,8cyclictest0-21swapper/100:02:241
99349990,0cyclictest0-21swapper/121:05:121
99269999,0cyclictest9-21ksoftirqd/023:05:140
99269999,0cyclictest9-21ksoftirqd/021:14:330
99269998,1cyclictest9-21ksoftirqd/023:40:130
99269998,1cyclictest9-21ksoftirqd/023:00:150
99269998,1cyclictest9-21ksoftirqd/022:15:130
99269998,1cyclictest9-21ksoftirqd/021:35:180
99269998,1cyclictest9-21ksoftirqd/021:25:090
99269998,1cyclictest9-21ksoftirqd/020:50:130
99269998,1cyclictest9-21ksoftirqd/019:40:010
99269998,1cyclictest9-21ksoftirqd/000:25:200
99269998,1cyclictest9-21ksoftirqd/000:20:130
13135290,0sleep10-21swapper/122:05:201
99509988,0cyclictest35-21ksoftirqd/322:44:423
99509988,0cyclictest35-21ksoftirqd/320:20:003
99509987,1cyclictest35-21ksoftirqd/321:55:143
99509987,1cyclictest35-21ksoftirqd/320:30:003
99509986,1cyclictest1029-21snmpd20:32:013
99509986,1cyclictest1029-21snmpd19:43:203
99509982,3cyclictest2641-21diskmemload00:16:453
99509980,6cyclictest7881-1kworker/u9:022:55:513
99509980,5cyclictest0-21swapper/321:40:073
99429988,0cyclictest7011-21sensors23:25:182
99429988,0cyclictest28-21ksoftirqd/221:25:122
99429988,0cyclictest28-21ksoftirqd/200:20:182
99429987,1cyclictest28-21ksoftirqd/223:41:292
99429987,1cyclictest28-21ksoftirqd/223:16:072
99429987,1cyclictest28-21ksoftirqd/222:56:172
99429987,1cyclictest28-21ksoftirqd/221:55:212
99429987,1cyclictest28-21ksoftirqd/221:21:022
99429987,1cyclictest28-21ksoftirqd/221:10:482
99429987,1cyclictest28-21ksoftirqd/220:20:102
99429987,1cyclictest28-21ksoftirqd/220:05:142
99429987,1cyclictest28-21ksoftirqd/219:50:012
99429987,1cyclictest28-21ksoftirqd/219:20:152
99429986,1cyclictest6463-21apt-get21:15:122
99429980,3cyclictest0-21swapper/221:31:562
99349981,3cyclictest0-21swapper/123:20:161
99349980,8cyclictest0-21swapper/123:54:011
99349980,8cyclictest0-21swapper/123:45:021
99349980,8cyclictest0-21swapper/123:37:211
99349980,8cyclictest0-21swapper/123:14:261
99349980,8cyclictest0-21swapper/123:04:221
99349980,8cyclictest0-21swapper/122:34:161
99349980,8cyclictest0-21swapper/122:34:161
99349980,8cyclictest0-21swapper/122:25:211
99349980,8cyclictest0-21swapper/122:15:191
99349980,8cyclictest0-21swapper/121:53:091
99349980,8cyclictest0-21swapper/121:41:171
99349980,8cyclictest0-21swapper/121:36:421
99349980,8cyclictest0-21swapper/100:31:021
99349980,8cyclictest0-21swapper/100:22:331
99349980,7cyclictest0-21swapper/121:20:241
99349980,7cyclictest0-21swapper/100:15:061
99349980,0cyclictest0-21swapper/123:40:031
99349980,0cyclictest0-21swapper/120:45:181
99349980,0cyclictest0-21swapper/120:20:171
99269988,0cyclictest9-21ksoftirqd/023:14:310
99269988,0cyclictest9-21ksoftirqd/022:45:110
99269988,0cyclictest9-21ksoftirqd/021:55:150
99269988,0cyclictest9-21ksoftirqd/021:40:130
99269988,0cyclictest9-21ksoftirqd/000:05:180
99269987,1cyclictest9-21ksoftirqd/023:20:120
99269987,1cyclictest9-21ksoftirqd/000:04:420
99269987,1cyclictest27546-1kworker/u9:222:10:110
99269987,1cyclictest2641-21diskmemload21:51:260
99269987,1cyclictest21530-1kworker/u9:022:22:220
99269987,0cyclictest9-21ksoftirqd/022:55:130
99269986,1cyclictest1029-21snmpd00:39:130
99269981,3cyclictest0-21swapper/019:20:100
99269980,0cyclictest0-21swapper/022:00:180
99269980,0cyclictest0-21swapper/019:15:180
99509976,1cyclictest35-21ksoftirqd/322:20:163
99509976,1cyclictest35-21ksoftirqd/321:50:013
99509976,1cyclictest35-21ksoftirqd/320:00:013
99509976,1cyclictest35-21ksoftirqd/319:50:003
99509976,1cyclictest35-21ksoftirqd/319:15:003
99509976,1cyclictest21112-21cat23:45:153
99509976,1cyclictest1860-21sensors21:50:193
99509976,1cyclictest1029-21snmpd23:04:443
99509976,1cyclictest1029-21snmpd22:52:513
99509976,1cyclictest1029-21snmpd20:24:433
99509975,1cyclictest35-21ksoftirqd/322:14:593
99509975,1cyclictest1029-21snmpd19:37:293
99509972,4cyclictest2641-21diskmemload23:29:293
99509970,6cyclictest9120-21ssh00:14:083
99509970,6cyclictest21610-21ntpq19:30:153
99509970,5cyclictest0-21swapper/322:36:393
99509970,4cyclictest0-21swapper/323:30:063
99509970,4cyclictest0-21swapper/300:28:073
99509970,3cyclictest0-21swapper/321:22:233
99509970,3cyclictest0-21swapper/300:35:293
99509970,2cyclictest0-21swapper/323:38:543
99509970,2cyclictest0-21swapper/323:16:013
99509970,2cyclictest0-21swapper/322:48:053
99429976,1cyclictest61650irq/122-eno120:50:132
99429976,1cyclictest28-21ksoftirqd/220:30:002
99429976,1cyclictest28-21ksoftirqd/220:00:162
99429976,1cyclictest28-21ksoftirqd/219:55:172
99349970,7cyclictest0-21swapper/123:56:571
99349970,7cyclictest0-21swapper/122:46:421
99349970,7cyclictest0-21swapper/121:55:231
99349970,7cyclictest0-21swapper/121:15:051
99349970,4cyclictest0-21swapper/120:00:101
99349970,2cyclictest0-21swapper/122:55:151
99349970,0cyclictest0-21swapper/123:33:381
99349970,0cyclictest0-21swapper/123:05:291
99349970,0cyclictest0-21swapper/122:51:361
99349970,0cyclictest0-21swapper/122:40:561
99349970,0cyclictest0-21swapper/122:37:091
99349970,0cyclictest0-21swapper/122:14:271
99349970,0cyclictest0-21swapper/121:31:011
99349970,0cyclictest0-21swapper/121:26:551
99349970,0cyclictest0-21swapper/121:10:181
99269977,0cyclictest9-21ksoftirqd/021:05:110
99269975,1cyclictest1029-21snmpd21:03:260
99269974,1cyclictest240-21systemd-journal20:24:590
99269970,6cyclictest27625-21telnet23:55:120
99269970,6cyclictest0-21swapper/020:45:540
99269970,6cyclictest0-21swapper/020:15:130
99269970,6cyclictest0-21swapper/019:25:320
99269970,1cyclictest6458-21/usr/sbin/munin21:15:170
99269970,1cyclictest5575-21/usr/sbin/munin23:25:180
99269970,1cyclictest31183-21ssh21:45:580
99269970,1cyclictest11988-21ssh23:33:140
99269970,1cyclictest0-21swapper/022:27:200
99269970,1cyclictest0-21swapper/021:32:030
99269970,1cyclictest0-21swapper/019:40:130
99509965,1cyclictest35-21ksoftirqd/321:05:013
99509965,1cyclictest29382-21ssh23:55:333
99509965,1cyclictest21836-21cat00:30:153
99509965,1cyclictest20086-21ssh21:30:523
99509965,1cyclictest1910-21apt-get23:20:103
99509965,1cyclictest17745-21ntpq23:40:183
99509965,1cyclictest1029-21snmpd19:51:093
99509964,1cyclictest35-21ksoftirqd/300:20:123
99509964,1cyclictest2970-21/usr/sbin/munin21:10:103
99509964,1cyclictest28445-21ssh22:26:113
99509963,1cyclictest35-21ksoftirqd/320:45:003
99509963,1cyclictest240-21systemd-journal20:14:593
99509962,1cyclictest24891-21missed_timers23:50:153
99509962,1cyclictest240-21systemd-journal19:29:553
99509961,4cyclictest12312-21http19:14:593
99509961,2cyclictest6682-21latency_hist20:10:003
99509961,2cyclictest0-21swapper/321:19:033
99509960,2cyclictest0-21swapper/300:01:083
99509960,1cyclictest0-21swapper/300:05:023
99429966,0cyclictest61650irq/122-eno119:28:262
99429966,0cyclictest28-21ksoftirqd/219:35:102
99429965,1cyclictest28-21ksoftirqd/221:05:162
99429965,1cyclictest28-21ksoftirqd/219:50:152
99429964,1cyclictest9849-21fschecks_count20:15:132
99429964,1cyclictest61650irq/122-eno120:45:092
99429960,3cyclictest0-21swapper/220:10:112
99429960,2cyclictest0-21swapper/221:00:102
99349966,0cyclictest0-21swapper/119:59:121
99349960,6cyclictest0-21swapper/120:05:201
99349960,6cyclictest0-21swapper/119:40:171
99349960,0cyclictest0-21swapper/120:40:181
99349960,0cyclictest0-21swapper/120:14:151
99349960,0cyclictest0-21swapper/119:54:101
99349960,0cyclictest0-21swapper/119:49:091
99349960,0cyclictest0-21swapper/119:35:191
99349960,0cyclictest0-21swapper/119:20:171
99349960,0cyclictest0-21swapper/119:15:011
99269965,1cyclictest9-21ksoftirqd/020:30:140
99269960,6cyclictest0-21swapper/020:00:150
99269960,6cyclictest0-21swapper/019:31:170
99269960,6cyclictest0-21swapper/019:10:350
99269960,2cyclictest0-21swapper/020:40:120
99269960,0cyclictest0-21swapper/020:55:130
99269960,0cyclictest0-21swapper/020:25:080
99269960,0cyclictest0-21swapper/020:05:160
99269960,0cyclictest0-21swapper/019:57:500
99269960,0cyclictest0-21swapper/019:50:110
99509953,1cyclictest693-21runrttasks20:54:363
99509953,1cyclictest28962-21grep20:55:153
99509953,1cyclictest16241-21ls19:20:123
99509953,1cyclictest12868-21grep22:05:183
99509950,4cyclictest20840-21seq20:39:363
99509950,2cyclictest0-21swapper/320:00:173
99349955,0cyclictest0-21swapper/119:25:361
99349951,1cyclictest0-21swapper/123:15:121
99349951,1cyclictest0-21swapper/120:15:101
99349950,5cyclictest0-21swapper/121:00:201
99349950,5cyclictest0-21swapper/120:39:201
99349941,2cyclictest0-21swapper/119:30:171
99349940,4cyclictest0-21swapper/120:55:221
99349940,4cyclictest0-21swapper/119:12:281
99349940,1cyclictest0-21swapper/120:50:141
99349940,1cyclictest0-21swapper/120:28:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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