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2026-06-11 - 01:34
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Thu Jun 11, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103942213174,26sleep10-21swapper/119:08:541
83592210160,24sleep30-21swapper/319:05:013
101842204160,31sleep20-21swapper/219:06:102
102792196158,24sleep00-21swapper/019:07:240
266362810,0sleep00-21swapper/019:40:160
206472650,0sleep10-21swapper/122:59:501
185622570,0sleep30-21swapper/320:30:173
10577991515,0cyclictest28-21ksoftirqd/223:05:122
1056499150,12cyclictest0-21swapper/123:10:131
250032130,0sleep10-21swapper/121:35:191
10577991312,1cyclictest28-21ksoftirqd/222:47:452
10577991312,1cyclictest28-21ksoftirqd/222:10:112
10557991311,1cyclictest9-21ksoftirqd/019:15:000
10557991311,1cyclictest9-21ksoftirqd/000:20:000
1057799120,9cyclictest7980-21apt-get00:10:102
143562110,0sleep10-21swapper/119:15:141
1057799119,1cyclictest28-21ksoftirqd/222:55:212
1057799119,1cyclictest28-21ksoftirqd/222:40:172
1057799119,1cyclictest28-21ksoftirqd/221:35:142
1057799118,1cyclictest28-21ksoftirqd/219:45:002
10577991111,0cyclictest28-21ksoftirqd/223:53:482
10577991110,1cyclictest28-21ksoftirqd/222:50:152
10577991110,1cyclictest28-21ksoftirqd/221:30:112
10577991110,1cyclictest28-21ksoftirqd/220:50:002
1057799110,7cyclictest30537-21apt-get19:50:102
1055799119,1cyclictest9-21ksoftirqd/021:40:190
10557991110,1cyclictest9-21ksoftirqd/022:00:150
10557991110,1cyclictest9-21ksoftirqd/021:15:000
1058599109,0cyclictest35-21ksoftirqd/300:10:113
1058599108,1cyclictest35-21ksoftirqd/323:20:003
1057799109,1cyclictest28-21ksoftirqd/223:30:132
1057799109,1cyclictest28-21ksoftirqd/223:25:212
1057799109,1cyclictest28-21ksoftirqd/223:25:212
1057799109,1cyclictest28-21ksoftirqd/223:20:202
1057799109,1cyclictest28-21ksoftirqd/223:16:452
1057799109,1cyclictest28-21ksoftirqd/223:13:142
1057799109,1cyclictest28-21ksoftirqd/222:35:162
1057799109,1cyclictest28-21ksoftirqd/221:45:152
1057799109,1cyclictest28-21ksoftirqd/221:25:192
1057799109,1cyclictest28-21ksoftirqd/221:22:162
1057799108,1cyclictest28-21ksoftirqd/223:36:402
1057799108,1cyclictest28-21ksoftirqd/221:15:222
1057799108,1cyclictest28-21ksoftirqd/220:00:132
1057799108,1cyclictest28-21ksoftirqd/200:35:202
10577991010,0cyclictest28-21ksoftirqd/223:48:072
10577991010,0cyclictest28-21ksoftirqd/221:40:132
1055799109,1cyclictest9-21ksoftirqd/023:40:130
1055799109,1cyclictest9-21ksoftirqd/022:30:000
1055799109,1cyclictest9-21ksoftirqd/021:40:000
1055799109,1cyclictest9-21ksoftirqd/019:45:140
1055799104,6cyclictest9-21ksoftirqd/020:05:120
10557991010,0cyclictest9-21ksoftirqd/023:00:180
13718290,0sleep04036-21diskmemload21:20:290
105859998,1cyclictest35-21ksoftirqd/322:55:133
105859998,0cyclictest35-21ksoftirqd/300:40:013
105859997,1cyclictest4034-21idleruntime-cro21:09:593
105779998,1cyclictest28-21ksoftirqd/223:59:592
105779998,1cyclictest28-21ksoftirqd/222:25:112
105779998,1cyclictest28-21ksoftirqd/222:07:432
105779998,1cyclictest28-21ksoftirqd/221:53:142
105779998,1cyclictest28-21ksoftirqd/220:50:192
105779998,1cyclictest28-21ksoftirqd/219:55:182
105779998,1cyclictest28-21ksoftirqd/219:45:112
105779998,1cyclictest28-21ksoftirqd/200:34:172
105779998,1cyclictest28-21ksoftirqd/200:27:132
105779998,1cyclictest28-21ksoftirqd/200:15:142
105779998,1cyclictest28-21ksoftirqd/200:05:132
105779998,1cyclictest28-21ksoftirqd/200:04:372
105779997,1cyclictest28-21ksoftirqd/223:42:322
105779997,1cyclictest28-21ksoftirqd/222:20:132
105779997,1cyclictest28-21ksoftirqd/222:15:202
105779997,1cyclictest28-21ksoftirqd/220:19:592
105779997,1cyclictest28-21ksoftirqd/219:15:122
105779996,3cyclictest28-21ksoftirqd/222:03:272
105649992,3cyclictest0-21swapper/121:42:501
105579998,1cyclictest9-21ksoftirqd/021:05:150
105579998,1cyclictest9-21ksoftirqd/020:00:130
105579998,1cyclictest9-21ksoftirqd/019:55:130
105579998,1cyclictest9-21ksoftirqd/000:35:130
105579997,2cyclictest9-21ksoftirqd/021:30:330
105579993,6cyclictest26057-21perf00:34:590
105859987,1cyclictest561-21nscd00:07:373
105859987,1cyclictest35-21ksoftirqd/321:50:013
105859987,1cyclictest35-21ksoftirqd/319:24:363
105859987,1cyclictest35-21ksoftirqd/300:25:003
105859987,1cyclictest35-21ksoftirqd/300:00:123
105859986,1cyclictest1029-21snmpd23:42:383
105859986,1cyclictest1029-21snmpd20:20:323
105779988,0cyclictest28-21ksoftirqd/220:05:152
105779987,1cyclictest28-21ksoftirqd/223:01:322
105779987,1cyclictest28-21ksoftirqd/200:20:102
105779986,1cyclictest61650irq/122-eno122:30:102
105779986,1cyclictest5185-21cat21:10:162
105779986,1cyclictest28-21ksoftirqd/221:55:402
105779985,2cyclictest28-21ksoftirqd/221:00:122
105579987,1cyclictest9-21ksoftirqd/022:39:550
105579987,1cyclictest9-21ksoftirqd/021:55:120
105579987,1cyclictest9-21ksoftirqd/019:30:120
105579987,1cyclictest9-21ksoftirqd/000:20:140
105579987,1cyclictest9-21ksoftirqd/000:15:000
105579987,1cyclictest4712-21ssh21:53:100
105579987,0cyclictest9-21ksoftirqd/023:35:140
105579986,1cyclictest25154-21cpuspeed_turbos23:05:110
105579986,1cyclictest1029-21snmpd22:11:560
105579986,1cyclictest1029-21snmpd20:13:080
105579980,7cyclictest31694-21ntp_states19:50:170
105579980,7cyclictest12921-21munin-node21:49:300
105579980,4cyclictest9785-21perf22:45:000
105579980,0cyclictest0-21swapper/000:07:330
13969270,1sleep10-21swapper/100:16:531
105859976,1cyclictest1029-21snmpd23:01:193
105859976,1cyclictest1029-21snmpd22:48:093
105859976,1cyclictest1029-21snmpd20:58:073
105859975,2cyclictest1982-21sendmail-mta23:20:263
105859975,1cyclictest1029-21snmpd23:52:593
105859975,1cyclictest1029-21snmpd23:26:553
105859975,1cyclictest1029-21snmpd23:26:553
105859975,1cyclictest1029-21snmpd22:40:033
105859975,1cyclictest1029-21snmpd21:37:223
105859975,1cyclictest1029-21snmpd20:48:453
105859975,1cyclictest1029-21snmpd19:30:463
105859973,2cyclictest240-21systemd-journal21:35:013
105859972,4cyclictest18981-21apt-get00:25:093
105859972,3cyclictest4036-21diskmemload21:55:153
105859971,4cyclictest0-21swapper/320:05:153
105859970,2cyclictest0-21swapper/323:33:043
105779976,1cyclictest28-21ksoftirqd/220:55:192
105779976,1cyclictest28-21ksoftirqd/220:30:092
105779976,1cyclictest28-21ksoftirqd/220:25:132
105779976,1cyclictest28-21ksoftirqd/219:35:192
105779976,1cyclictest28-21ksoftirqd/219:20:122
105779975,1cyclictest28-21ksoftirqd/220:20:122
105779975,1cyclictest28-21ksoftirqd/220:14:592
105779975,1cyclictest1029-21snmpd21:08:542
105779971,5cyclictest12885-21nin-node19:15:002
105779970,1cyclictest0-21swapper/219:28:582
105649971,6cyclictest0-21swapper/123:16:261
105649971,6cyclictest0-21swapper/119:35:311
105649971,3cyclictest0-21swapper/121:30:171
105649970,3cyclictest0-21swapper/123:02:331
105649970,1cyclictest0-21swapper/122:54:461
105649970,1cyclictest0-21swapper/120:59:481
105649970,1cyclictest0-21swapper/120:49:071
105649970,1cyclictest0-21swapper/100:30:331
105579977,0cyclictest9-21ksoftirqd/023:10:170
105579976,1cyclictest9-21ksoftirqd/023:45:140
105579976,1cyclictest9-21ksoftirqd/020:25:010
105579976,1cyclictest517-21ssh23:15:140
105579976,1cyclictest18980-1kworker/u9:022:15:470
105579976,1cyclictest15772-21telnet21:25:110
105579976,1cyclictest15475-21ssh22:07:320
105579976,1cyclictest12934-21ssh23:30:210
105579976,1cyclictest1029-21snmpd20:34:410
105579975,1cyclictest26266-21df_inode23:50:120
105579975,1cyclictest1029-21snmpd22:26:080
105579973,1cyclictest0-21swapper/019:20:120
105579971,6cyclictest7252-21ssh23:25:090
105579971,6cyclictest7252-21ssh23:25:080
105579970,6cyclictest7752-21ssh21:15:000
105579970,6cyclictest3108-21apt-get23:20:010
105579970,6cyclictest24577-21tune2fs22:20:130
105579970,6cyclictest23246-21/usr/sbin/munin19:35:130
105579970,6cyclictest19745-21/usr/sbin/munin20:35:140
105579970,6cyclictest17326-21/usr/sbin/munin22:55:120
105579970,6cyclictest1471-21chrt21:02:420
105579970,6cyclictest14146-21expr22:50:130
105579970,6cyclictest13550-21ntp_states19:15:010
105579970,6cyclictest0-21swapper/020:40:120
105579970,1cyclictest31226-21ssh23:55:240
105579970,1cyclictest10392-21cstates22:45:120
105579970,1cyclictest0-21swapper/000:25:160
30701260,0sleep30-21swapper/323:11:383
105859966,0cyclictest35-21ksoftirqd/319:45:003
105859965,1cyclictest4626-21ssh22:35:473
105859965,1cyclictest35-21ksoftirqd/319:55:003
105859965,1cyclictest35-21ksoftirqd/319:45:103
105859965,1cyclictest35-21ksoftirqd/300:15:003
105859965,1cyclictest31232-21ssh23:55:263
105859965,1cyclictest29257-21ssh21:41:273
105859965,1cyclictest26687-21ssh23:05:273
105859965,1cyclictest24711-21ssh00:31:113
105859965,1cyclictest17487-21ssh23:38:033
105859965,1cyclictest15869-21ssh22:51:313
105859965,1cyclictest14127-21ntpq22:05:163
105859965,1cyclictest11895-21ssh22:02:433
105859965,1cyclictest1029-21snmpd22:24:383
105859965,1cyclictest1029-21snmpd21:27:373
105859965,1cyclictest1029-21snmpd20:26:383
105859965,1cyclictest1029-21snmpd20:03:443
105859965,1cyclictest1029-21snmpd19:35:343
105859964,1cyclictest1029-21snmpd23:45:443
105859964,1cyclictest1029-21snmpd21:51:053
105859964,1cyclictest1029-21snmpd21:20:163
105859964,1cyclictest1029-21snmpd21:10:253
105859964,1cyclictest1029-21snmpd20:54:273
105859964,1cyclictest1029-21snmpd20:15:113
105859963,1cyclictest548-21systemd-logind22:25:183
105859962,2cyclictest31940-21df_inode22:30:133
105859960,4cyclictest557-21irqbalance22:15:263
105859960,3cyclictest1029-21snmpd21:18:113
105859960,2cyclictest15952-21idleruntime-cro19:19:593
105779966,0cyclictest61650irq/122-eno119:32:062
105779966,0cyclictest28-21ksoftirqd/220:35:122
105779960,1cyclictest0-21swapper/220:40:112
105649963,1cyclictest0-21swapper/123:45:221
105649961,5cyclictest0-21swapper/123:09:371
105649961,5cyclictest0-21swapper/119:59:181
105649960,6cyclictest0-21swapper/122:45:081
105649960,6cyclictest0-21swapper/121:08:391
105649960,6cyclictest0-21swapper/120:14:421
105649960,6cyclictest0-21swapper/120:05:101
105649960,6cyclictest0-21swapper/119:50:041
105649960,6cyclictest0-21swapper/100:23:331
105649960,4cyclictest0-21swapper/123:59:151
105649960,4cyclictest0-21swapper/122:06:321
105649960,2cyclictest0-21swapper/123:35:171
105649960,1cyclictest0-21swapper/121:25:101
105649960,0cyclictest0-21swapper/122:20:081
105579965,1cyclictest9-21ksoftirqd/020:50:120
105579965,1cyclictest9-21ksoftirqd/020:45:000
105579965,1cyclictest752-21telnet00:00:110
105579965,1cyclictest1029-21snmpd20:58:200
105579961,2cyclictest0-21swapper/020:20:120
105579960,1cyclictest10108-21/usr/sbin/munin20:15:120
105579960,0cyclictest0-21swapper/019:25:100
105859954,1cyclictest1029-21snmpd20:35:543
105859952,1cyclictest18371-21ssh22:10:213
105859950,0cyclictest10766-21apt-get19:10:103
105859950,0cyclictest0-21swapper/320:12:463
105649955,0cyclictest0-21swapper/119:25:311
105649954,1cyclictest203-21jbd2/sda2-822:15:001
105649953,1cyclictest0-21swapper/121:45:111
105649952,2cyclictest0-21swapper/122:25:181
105649952,1cyclictest0-21swapper/123:20:531
105649952,1cyclictest0-21swapper/122:31:341
105649951,4cyclictest0-21swapper/122:00:191
105649951,4cyclictest0-21swapper/100:00:151
105649950,5cyclictest0-21swapper/122:37:011
105649950,5cyclictest0-21swapper/120:41:181
105649950,5cyclictest0-21swapper/120:36:551
105649950,5cyclictest0-21swapper/120:30:121
105649950,5cyclictest0-21swapper/120:24:251
105649950,5cyclictest0-21swapper/120:16:181
105649950,5cyclictest0-21swapper/100:35:581
105649950,4cyclictest0-21swapper/123:34:191
105649950,4cyclictest0-21swapper/122:15:151
105649950,3cyclictest0-21swapper/121:55:161
105649950,3cyclictest0-21swapper/121:50:161
105649950,3cyclictest0-21swapper/100:13:081
105649950,3cyclictest0-21swapper/100:06:091
105649950,2cyclictest0-21swapper/121:15:491
105649950,2cyclictest0-21swapper/120:00:111
105649950,1cyclictest0-21swapper/123:50:101
105649950,1cyclictest0-21swapper/121:00:121
105649950,1cyclictest0-21swapper/100:28:411
105859944,0cyclictest13650irq/124-ahci[0021:00:363
105859943,1cyclictest0-21swapper/319:55:133
105859942,1cyclictest23584-21proc_pri20:40:193
105859940,2cyclictest18544-21aten_r1power_cu19:25:103
105649943,1cyclictest116392sleep119:10:131
105649941,2cyclictest0-21swapper/119:20:101
105649941,1cyclictest0-21swapper/121:10:071
105649941,1cyclictest0-21swapper/119:45:111
105649940,4cyclictest0-21swapper/119:31:341
105649940,3cyclictest203-21jbd2/sda2-820:50:211
105649940,3cyclictest0-21swapper/122:41:491
105649940,2cyclictest0-21swapper/121:20:041
105649940,1cyclictest0-21swapper/123:40:141
105649940,1cyclictest0-21swapper/123:25:321
105649940,1cyclictest0-21swapper/123:25:311
105649932,1cyclictest0-21swapper/120:25:011
105649931,2cyclictest0-21swapper/119:40:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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