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2026-04-06 - 01:27
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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 rack2slot0.osadl.org (updated Sun Apr 05, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91502590,12sleep375750irq/24-eno1-rx-09:33:343
20898995858,0cyclictest335-21scsi_eh_212:34:161
20898995858,0cyclictest335-21scsi_eh_212:34:151
20900995757,0cyclictest335-21scsi_eh_212:32:263
20900995757,0cyclictest335-21scsi_eh_212:32:263
80002560,0sleep10-21swapper/112:04:441
71432550,0sleep30-21swapper/311:00:463
34842550,1sleep3642-21systemd-logind10:00:183
203522530,1sleep341-21ksoftirqd/309:42:443
8302520,0sleep30-21swapper/311:51:263
58992520,1sleep05896-21sshd10:33:190
149712520,1sleep114968-21bash11:01:291
295362510,0sleep30-21swapper/310:40:433
72412500,0sleep10-21swapper/111:49:061
69122500,0sleep10-21swapper/110:14:181
318822500,0sleep10-21swapper/109:24:471
241152500,1sleep124097-21bash09:31:361
20899995050,0cyclictest335-21scsi_eh_212:29:352
20898995050,0cyclictest335-21scsi_eh_212:28:511
206052500,0sleep00-21swapper/012:26:260
13602500,0sleep00-21swapper/010:24:460
95062490,0sleep20-21swapper/210:14:312
194712490,0sleep00-21swapper/010:48:090
191002490,1sleep319087-21rm11:59:223
113472490,0sleep00-21swapper/009:26:070
275602480,0sleep30-21swapper/309:48:493
275602480,0sleep30-21swapper/309:48:483
265322480,1sleep326528-21lspci11:27:373
228722480,0sleep122839-21sshd10:07:251
147612480,0sleep0111rcuc/011:04:150
127032480,1sleep312706-21bash10:11:593
121672480,0sleep30-21swapper/311:46:323
2049324735,7sleep20-21swapper/207:06:232
20892994545,0cyclictest335-21scsi_eh_212:30:530
20892994545,0cyclictest335-21scsi_eh_212:30:520
20898994343,0cyclictest335-21scsi_eh_212:23:501
20898994343,0cyclictest335-21scsi_eh_212:23:501
2056423120,7sleep10-21swapper/107:07:181
34982280,0sleep03500-21tty11:42:520
205782287,7sleep30-21swapper/307:07:293
205482287,7sleep00-21swapper/007:07:050
20900992424,0cyclictest401ktimersoftd/312:29:353
148042220,1sleep014805-21bash11:07:000
270732190,0sleep20-21swapper/210:15:552
20892991918,0cyclictest4266-21kworker/0:111:24:240
65872180,1sleep0674-21dbus-daemon12:11:280
245342170,0sleep20-21swapper/212:17:562
20892991715,1cyclictest26990-21sensors08:40:170
20892991715,1cyclictest12217-21kworker/0:010:53:020
316702160,0sleep10-21swapper/109:43:421
301272160,0sleep20-21swapper/211:39:302
244982160,0sleep10-21swapper/109:53:591
182312160,0sleep00-21swapper/011:29:470
12872160,0sleep00-21swapper/009:54:460
114092160,0sleep30-21swapper/311:20:373
75202150,1sleep0111rcuc/010:38:570
244282150,1sleep124430-21bash12:06:211
20900991515,0cyclictest401ktimersoftd/307:54:383
20900991513,1cyclictest41-21ksoftirqd/310:35:283
20898991514,0cyclictest5657-21kworker/1:309:14:201
20892991514,1cyclictest1217-21kworker/0:010:02:260
20892991514,0cyclictest25448-21kworker/0:208:10:160
20892991513,1cyclictest19414-21kworker/0:111:48:400
5662140,0sleep2311rcuc/211:11:182
277612140,0sleep227731-21sshd10:21:292
2089899140,12cyclictest674-21dbus-daemon10:51:561
20892991414,0cyclictest4022-21kworker/0:209:41:480
20892991413,0cyclictest25304-21kworker/0:109:33:280
20892991413,0cyclictest2503-21kworker/0:312:06:010
184202140,0sleep30-21swapper/310:50:453
114282140,0sleep111427-21sshd09:39:181
108232140,0sleep2311rcuc/209:41:542
327032130,1sleep30-21swapper/309:17:003
220052130,0sleep30-21swapper/311:15:563
2090099135,1cyclictest41-21ksoftirqd/312:03:523
20900991311,1cyclictest0-21swapper/310:05:383
2089999130,1cyclictest0-21swapper/211:58:042
2089999130,12cyclictest642-21systemd-logind11:09:242
20898991311,1cyclictest674-21dbus-daemon10:47:061
20892991312,0cyclictest8208-21lspci09:17:590
20892991312,0cyclictest31544-21kworker/0:412:35:080
20892991312,0cyclictest2966-21lspci09:38:330
20892991312,0cyclictest13441-21lspci11:55:390
20892991311,1cyclictest17843-21kworker/0:110:59:380
206742130,0sleep00-21swapper/009:45:260
206742130,0sleep00-21swapper/009:45:250
137362130,0sleep00-21swapper/010:14:540
105482130,0sleep20-21swapper/210:47:232
2090099125,3cyclictest41-21ksoftirqd/310:16:003
2090099123,3cyclictest41-21ksoftirqd/311:44:503
2090099123,3cyclictest41-21ksoftirqd/309:56:253
2090099123,2cyclictest41-21ksoftirqd/312:18:403
2090099122,3cyclictest41-21ksoftirqd/311:38:223
2090099122,2cyclictest41-21ksoftirqd/312:24:453
2090099122,2cyclictest41-21ksoftirqd/312:24:443
2090099121,3cyclictest23590-21sshd10:26:353
20900991212,0cyclictest401ktimersoftd/308:08:413
20900991212,0cyclictest401ktimersoftd/308:08:413
2090099121,1cyclictest41-21ksoftirqd/310:21:163
20900991211,0cyclictest391rcuc/309:25:003
2090099120,11cyclictest0-21swapper/312:38:583
2089999120,1cyclictest13597-21lspci09:26:242
2089999120,1cyclictest0-21swapper/211:21:342
2089999120,1cyclictest0-21swapper/211:01:252
2089999120,11cyclictest674-21dbus-daemon10:38:242
2089999120,11cyclictest1073-21nfsd12:12:242
20898991211,0cyclictest29828-21kworker/1:212:11:071
20898991210,1cyclictest9237-21kworker/1:010:41:091
2089899120,11cyclictest0-21swapper/109:55:361
20892991212,0cyclictest25448-21kworker/0:207:35:170
20892991212,0cyclictest1461-21kworker/0:009:00:130
20892991211,0cyclictest6399-21kworker/0:209:10:560
20892991211,0cyclictest30651-21lspci09:59:570
20892991211,0cyclictest25534-21lspci11:16:160
20892991210,1cyclictest20044-21bash11:13:010
126732120,0sleep30-21swapper/310:58:343
301682110,2sleep22089999cyclictest10:27:082
2090099119,1cyclictest25808-21grepconf.sh09:12:183
2090099116,2cyclictest41-21ksoftirqd/312:11:073
2090099115,3cyclictest41-21ksoftirqd/309:38:263
2090099115,2cyclictest41-21ksoftirqd/310:46:283
2090099115,1cyclictest41-21ksoftirqd/310:30:523
2090099114,3cyclictest41-21ksoftirqd/312:05:263
2090099114,3cyclictest41-21ksoftirqd/311:31:033
2090099114,1cyclictest41-21ksoftirqd/311:05:353
2090099113,3cyclictest41-21ksoftirqd/311:13:443
2090099111,3cyclictest1072-21nfsd09:50:143
2089999119,1cyclictest642-21systemd-logind10:57:242
2089999110,10cyclictest0-21swapper/212:00:042
2089999110,10cyclictest0-21swapper/211:48:542
2089999110,10cyclictest0-21swapper/209:54:142
2089999110,0cyclictest0-21swapper/209:33:342
2089899119,1cyclictest5119-21bash10:30:261
2089899118,2cyclictest674-21dbus-daemon10:00:461
2089899118,2cyclictest0-21swapper/111:34:161
2089899110,10cyclictest0-21swapper/112:36:061
2089899110,10cyclictest0-21swapper/112:17:471
2089899110,10cyclictest0-21swapper/111:12:261
2089899110,10cyclictest0-21swapper/110:18:561
2089299113,1cyclictest9-21ksoftirqd/010:25:090
2089299111,1cyclictest9-21ksoftirqd/012:02:220
20892991111,0cyclictest31446-21kworker/0:012:15:540
20892991110,1cyclictest12217-21kworker/0:010:44:020
20892991110,0cyclictest26314-21lspci10:05:010
2089299110,1cyclictest0-21swapper/010:18:590
206802110,2sleep12089899cyclictest11:30:001
2089999109,0cyclictest0-21swapper/212:39:042
2089999109,0cyclictest0-21swapper/212:07:142
2089899109,0cyclictest0-21swapper/110:25:561
2089899109,0cyclictest0-21swapper/107:25:161
2089899108,1cyclictest3978-21kworker/1:111:15:391
2089899108,1cyclictest22319-21kworker/1:010:23:491
2089899100,0cyclictest0-21swapper/108:55:161
2089299109,0cyclictest0-21swapper/011:50:510
2089299101,1cyclictest131rcu_sched11:39:220
20892991010,0cyclictest25448-21kworker/0:207:50:420
209009991,2cyclictest41-21ksoftirqd/309:26:303
208999998,0cyclictest0-21swapper/212:33:542
208999998,0cyclictest0-21swapper/212:33:542
208999998,0cyclictest0-21swapper/211:50:542
208999998,0cyclictest0-21swapper/211:32:042
208999998,0cyclictest0-21swapper/209:59:252
208999998,0cyclictest0-21swapper/209:15:242
208999998,0cyclictest0-21swapper/207:45:452
208999997,1cyclictest22792-21grepconf.sh10:40:132
208999997,1cyclictest0-21swapper/209:12:452
208989998,0cyclictest0-21swapper/111:21:461
208989998,0cyclictest0-21swapper/109:25:261
208989998,0cyclictest0-21swapper/108:39:561
208989997,1cyclictest25-21ksoftirqd/111:38:001
208989990,1cyclictest121rcu_preempt11:54:221
208929998,0cyclictest0-21swapper/009:20:010
208929998,0cyclictest0-21swapper/007:59:210
208929998,0cyclictest0-21swapper/007:40:210
208929998,0cyclictest0-21swapper/007:14:210
208929991,1cyclictest1-21systemd11:30:340
208929990,0cyclictest0-21swapper/009:09:210
209009987,0cyclictest0-21swapper/309:00:183
208999987,0cyclictest0-21swapper/208:05:452
208999987,0cyclictest0-21swapper/208:05:442
208999986,1cyclictest10566-21lspci11:26:122
208999985,2cyclictest660-21avahi-daemon12:24:072
208999985,2cyclictest660-21avahi-daemon12:24:072
208999985,2cyclictest660-21avahi-daemon10:54:002
208999985,2cyclictest642-21systemd-logind09:37:542
208999981,1cyclictest131rcu_sched09:49:052
208999981,1cyclictest131rcu_sched09:49:052
208989986,1cyclictest25-21ksoftirqd/111:55:131
208989986,1cyclictest25-21ksoftirqd/110:35:121
208989985,2cyclictest660-21avahi-daemon09:17:191
208989981,1cyclictest131rcu_sched11:05:471
208989981,1cyclictest121rcu_preempt10:56:331
208989980,7cyclictest0-21swapper/108:53:461
208989980,2cyclictest131rcu_sched09:46:141
208989980,2cyclictest131rcu_sched09:46:141
208929988,0cyclictest17539-21kworker/0:008:30:440
208929988,0cyclictest17539-21kworker/0:008:25:520
208929987,0cyclictest0-21swapper/008:48:210
208929980,1cyclictest649-21polkitd12:22:170
208929980,1cyclictest649-21polkitd12:22:170
209009975,1cyclictest41-21ksoftirqd/308:40:003
209009972,3cyclictest41-21ksoftirqd/308:20:003
208999976,0cyclictest0-21swapper/207:15:242
208999975,1cyclictest649-21polkitd10:30:102
208999975,1cyclictest642-21systemd-logind10:02:092
208999974,2cyclictest660-21avahi-daemon11:40:042
208999974,2cyclictest660-21avahi-daemon11:15:102
208999974,2cyclictest660-21avahi-daemon10:05:412
208999974,2cyclictest660-21avahi-daemon09:22:232
208989976,0cyclictest4452-21lspci11:40:071
208989976,0cyclictest29565-21kworker/1:007:35:111
208989976,0cyclictest0-21swapper/107:24:561
208929977,0cyclictest27726-21kworker/0:308:58:180
208929977,0cyclictest25448-21kworker/0:207:45:500
208929977,0cyclictest25448-21kworker/0:207:30:140
208929977,0cyclictest25448-21kworker/0:207:28:100
209009964,1cyclictest41-21ksoftirqd/307:20:003
209009964,1cyclictest31066-21grep07:30:193
209009963,2cyclictest28592-21ntpq07:25:153
209009963,2cyclictest1002-21snmpd07:11:343
209009961,3cyclictest41-21ksoftirqd/309:09:533
209009961,3cyclictest41-21ksoftirqd/307:20:113
209009960,5cyclictest0-21swapper/308:58:493
209009960,5cyclictest0-21swapper/308:49:483
209009960,5cyclictest0-21swapper/308:32:593
209009960,0cyclictest0-21swapper/307:36:483
208999964,1cyclictest674-21dbus-daemon08:30:002
208999964,1cyclictest649-21polkitd08:34:552
208999963,2cyclictest1002-21snmpd07:43:432
208999960,5cyclictest0-21swapper/208:58:042
208999960,0cyclictest0-21swapper/208:40:042
208989965,0cyclictest0-21swapper/107:55:461
208989964,1cyclictest25-21ksoftirqd/107:45:001
208989960,1cyclictest19597-21munin-run08:25:011
208929966,0cyclictest27726-21kworker/0:308:51:220
208929966,0cyclictest25448-21kworker/0:208:03:010
208929966,0cyclictest23693-21kworker/0:208:36:060
208929966,0cyclictest20785-21kworker/0:107:18:060
208929966,0cyclictest17539-21kworker/0:008:20:300
208929966,0cyclictest101ktimersoftd/007:22:010
208929963,2cyclictest1002-21snmpd08:05:560
208929963,2cyclictest1002-21snmpd08:05:560
208929960,5cyclictest0-21swapper/008:16:410
209009953,1cyclictest1705-21sendmail08:20:273
209009953,1cyclictest1002-21snmpd08:35:363
209009953,1cyclictest1002-21snmpd08:13:323
209009953,1cyclictest1002-21snmpd07:45:503
209009953,1cyclictest1002-21snmpd07:40:403
209009952,2cyclictest10783-21find08:00:193
209009951,1cyclictest41-21ksoftirqd/308:50:173
209009950,2cyclictest0-21swapper/308:25:123
208999954,0cyclictest0-21swapper/208:35:342
208999953,1cyclictest649-21polkitd09:05:002
208999953,1cyclictest30268-21cat07:30:132
208999953,1cyclictest1002-21snmpd08:50:042
208999953,1cyclictest1002-21snmpd08:46:452
208999953,1cyclictest1002-21snmpd08:23:122
208999953,1cyclictest1002-21snmpd08:19:202
208999953,1cyclictest1002-21snmpd07:54:322
208999953,1cyclictest1002-21snmpd07:36:582
208999953,1cyclictest1002-21snmpd07:27:582
208999953,1cyclictest1002-21snmpd07:23:172
208999952,2cyclictest1002-21snmpd08:14:442
208999952,2cyclictest1002-21snmpd08:02:472
208999952,2cyclictest1002-21snmpd07:55:412
208999952,2cyclictest1002-21snmpd07:10:072
208989954,0cyclictest0-21swapper/108:30:161
208989953,1cyclictest699-21gdbus08:01:001
208989953,1cyclictest1002-21snmpd09:00:431
208989953,1cyclictest1002-21snmpd08:46:371
208989953,1cyclictest1002-21snmpd08:25:271
208989953,1cyclictest1002-21snmpd08:17:231
208989953,1cyclictest1002-21snmpd08:11:111
208989953,1cyclictest1002-21snmpd08:05:141
208989953,1cyclictest1002-21snmpd08:05:141
208989953,1cyclictest1002-21snmpd07:31:371
208989953,1cyclictest1002-21snmpd07:12:251
208989952,2cyclictest674-21dbus-daemon09:09:591
208989952,2cyclictest26278-21grep08:40:121
208989950,4cyclictest3530-21/usr/sbin/munin07:45:181
208989950,0cyclictest0-21swapper/107:15:061
209009940,2cyclictest121rcu_preempt07:55:153
208999942,1cyclictest2327-21latency09:00:142
208989942,1cyclictest0-21swapper/107:50:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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