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2026-08-13 - 22:42
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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 Thu Aug 13, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2936324000,7sleep30-21swapper/307:05:243
299842207152,21sleep10-21swapper/107:09:251
299702200160,26sleep20-21swapper/207:09:142
297522198160,24sleep00-21swapper/007:06:220
317342800,0sleep10-21swapper/108:20:011
292432600,1sleep3341rcuc/310:03:283
90272200,1sleep29021-21gltestperf07:30:162
30132991414,0cyclictest0-21swapper/210:00:172
30132991311,1cyclictest28-21ksoftirqd/207:25:012
30124991313,0cyclictest0-21swapper/109:28:141
3011799130,12cyclictest0-21swapper/008:05:140
30132991111,0cyclictest20075-21ssh11:21:152
3011799119,1cyclictest9-21ksoftirqd/007:20:010
3011799113,4cyclictest26246-21perf09:15:010
3011799113,4cyclictest26246-21perf09:15:010
3011799113,4cyclictest11596-21perf10:24:590
284972110,0sleep30-21swapper/309:15:573
10912110,0sleep30-21swapper/310:10:123
3014099109,1cyclictest32010-21perf11:40:003
3014099107,1cyclictest35-21ksoftirqd/310:50:013
3014099100,6cyclictest347-21diskstats11:40:153
30132991010,0cyclictest0-21swapper/207:50:222
3011799108,1cyclictest9-21ksoftirqd/009:05:000
3011799102,4cyclictest6019-21cat12:35:000
210802100,0sleep00-21swapper/011:24:320
301409996,2cyclictest11301-21snmpd11:22:193
301329998,1cyclictest0-21swapper/209:50:172
301249990,4cyclictest0-21swapper/110:30:121
301249990,3cyclictest0-21swapper/107:40:121
301179990,8cyclictest30552-21kworker/u8:212:21:540
301179990,4cyclictest0-21swapper/010:10:130
301409986,1cyclictest16844-21cat08:55:153
301409986,1cyclictest11301-21snmpd12:30:393
301409986,1cyclictest11301-21snmpd10:50:123
301409986,1cyclictest11301-21snmpd09:01:543
301409986,1cyclictest11301-21snmpd08:48:003
301409984,3cyclictest35-21ksoftirqd/311:01:113
301409982,3cyclictest113672sleep309:37:253
301409980,6cyclictest7720-21sh10:19:443
301409980,3cyclictest11301-21snmpd12:16:493
301329986,1cyclictest61650irq/122-eno112:15:132
301329986,1cyclictest61650irq/122-eno111:10:212
301329986,1cyclictest61650irq/122-eno109:44:072
301329986,1cyclictest61650irq/122-eno109:15:202
301329986,1cyclictest28-21ksoftirqd/211:07:552
301329986,1cyclictest11301-21snmpd11:31:342
301329986,1cyclictest11301-21snmpd09:45:022
301329986,0cyclictest61650irq/122-eno109:22:032
301329984,3cyclictest542-21irqstats07:15:012
301329982,1cyclictest548-21systemd-logind11:15:182
301249984,2cyclictest0-21swapper/111:52:071
301179987,1cyclictest9-21ksoftirqd/012:00:000
301179986,1cyclictest9-21ksoftirqd/007:59:420
301179986,1cyclictest15717-21perf09:45:000
301179986,1cyclictest11301-21snmpd07:12:520
301179986,1cyclictest11301-21snmpd07:12:520
301179980,7cyclictest17735-21munin-run11:20:000
8824270,0sleep30-21swapper/310:20:153
301409976,1cyclictest35-21ksoftirqd/307:25:013
301409976,1cyclictest11301-21snmpd12:24:493
301409976,1cyclictest11301-21snmpd10:05:323
301409976,1cyclictest11301-21snmpd09:53:003
301409976,1cyclictest11301-21snmpd07:46:473
301409976,1cyclictest1002-21nscd10:44:023
301409975,1cyclictest11301-21snmpd12:36:403
301409975,1cyclictest11301-21snmpd12:07:143
301409975,1cyclictest11301-21snmpd08:35:563
301409975,1cyclictest11301-21snmpd08:27:273
301409975,1cyclictest11301-21snmpd07:54:403
301409975,1cyclictest11301-21snmpd07:42:083
301409975,0cyclictest13650irq/124-ahci[0011:49:563
301409973,2cyclictest22830-21diskmemload12:11:393
301329976,1cyclictest61650irq/122-eno112:12:062
301329976,1cyclictest61650irq/122-eno112:08:032
301329976,1cyclictest61650irq/122-eno111:25:132
301329976,1cyclictest61650irq/122-eno110:37:152
301329976,1cyclictest61650irq/122-eno110:19:462
301329976,1cyclictest61650irq/122-eno109:38:442
301329976,1cyclictest61650irq/122-eno108:40:102
301329976,1cyclictest61650irq/122-eno108:35:202
301329976,1cyclictest61650irq/122-eno107:25:192
301329976,1cyclictest11301-21snmpd11:02:372
301329975,2cyclictest61650irq/122-eno109:30:002
301329975,1cyclictest61650irq/122-eno112:00:122
301329975,1cyclictest61650irq/122-eno110:25:212
301329975,1cyclictest61650irq/122-eno108:00:122
301329975,1cyclictest30774-21ssh11:36:082
301329975,1cyclictest11301-21snmpd08:20:512
301329974,1cyclictest28-21ksoftirqd/207:15:012
301329974,1cyclictest28-21ksoftirqd/207:15:002
301329973,0cyclictest0-21swapper/209:30:182
301329971,6cyclictest0-21swapper/208:30:292
301249971,6cyclictest0-21swapper/109:03:241
301249971,3cyclictest0-21swapper/112:10:151
301249971,3cyclictest0-21swapper/110:45:091
301249970,6cyclictest0-21swapper/109:10:151
301249970,6cyclictest0-21swapper/109:10:151
301249970,4cyclictest0-21swapper/110:00:371
301249970,4cyclictest0-21swapper/109:30:111
301249970,4cyclictest0-21swapper/109:21:131
301249970,2cyclictest0-21swapper/111:16:231
301249970,1cyclictest0-21swapper/112:35:141
301249970,1cyclictest0-21swapper/111:25:131
301249970,1cyclictest0-21swapper/111:00:371
301179976,1cyclictest17963-1kworker/u9:210:45:340
301179976,1cyclictest11301-21snmpd07:52:110
301179975,1cyclictest9-21ksoftirqd/007:30:070
301179975,1cyclictest27306-21tail08:10:130
301179975,1cyclictest11301-21snmpd11:05:190
301179975,1cyclictest11301-21snmpd09:20:030
301179975,1cyclictest11301-21snmpd08:04:190
301179975,1cyclictest11301-21snmpd07:41:230
301179975,1cyclictest0-21swapper/012:35:170
301179971,6cyclictest5923-21ssh11:00:440
301179971,6cyclictest1561-21ssh12:27:090
301179971,6cyclictest0-21swapper/009:15:280
301179970,6cyclictest4597-21ssh10:15:120
301179970,6cyclictest4009-21cstates11:45:110
301179970,6cyclictest2331-21ssh10:55:330
301179970,6cyclictest22830-21diskmemload09:46:290
301179970,6cyclictest17112-21users10:30:230
301179970,6cyclictest15645-21expr07:45:130
301179970,6cyclictest14413-21cut08:50:130
301179970,6cyclictest0-21swapper/011:35:340
301179970,6cyclictest0-21swapper/010:50:180
301179970,6cyclictest0-21swapper/009:55:180
301179970,6cyclictest0-21swapper/008:42:420
301179970,6cyclictest0-21swapper/008:35:200
301179970,1cyclictest6899-21users09:30:200
301179970,1cyclictest5658-21sshd07:25:010
301179970,1cyclictest22830-21diskmemload12:10:120
301179970,1cyclictest22830-21diskmemload11:30:520
301179970,1cyclictest22830-21diskmemload10:25:430
301179970,1cyclictest1969-21ssh11:41:240
301179970,1cyclictest19464-21/usr/sbin/munin09:50:100
301179970,1cyclictest0-21swapper/010:38:580
301179970,1cyclictest0-21swapper/009:26:570
301409965,1cyclictest5579-21sensors08:30:203
301409965,1cyclictest4085-21ssh09:27:463
301409965,1cyclictest3440-21ssh10:59:093
301409965,1cyclictest32109-21ssh09:20:283
301409965,1cyclictest21692-21ssh10:38:463
301409965,1cyclictest15317-21ssh09:43:473
301409965,1cyclictest12723-21cat10:25:163
301409965,1cyclictest12497-21ssh11:55:513
301409965,1cyclictest11301-21snmpd11:30:383
301409965,1cyclictest11301-21snmpd10:30:123
301409965,1cyclictest11301-21snmpd07:15:043
301409964,1cyclictest35-21ksoftirqd/309:10:253
301409964,1cyclictest35-21ksoftirqd/309:10:243
301409964,1cyclictest11301-21snmpd09:55:173
301409964,1cyclictest11301-21snmpd09:05:523
301409964,1cyclictest11301-21snmpd07:31:413
301409963,2cyclictest22743-21memory11:25:173
301409963,1cyclictest240-21systemd-journal07:29:593
301409962,2cyclictest17719-21sed09:45:213
301409961,4cyclictest31892-21apt-get08:20:113
301409961,1cyclictest0-21swapper/311:52:253
301409960,4cyclictest11377-21expr11:10:133
301409960,3cyclictest0-21swapper/311:06:453
301409960,2cyclictest32574-21ntp_states07:15:013
301409960,2cyclictest32574-21ntp_states07:15:013
301329966,0cyclictest61650irq/122-eno112:30:122
301329966,0cyclictest61650irq/122-eno111:55:122
301329966,0cyclictest61650irq/122-eno111:50:132
301329966,0cyclictest61650irq/122-eno110:55:492
301329966,0cyclictest61650irq/122-eno110:50:042
301329966,0cyclictest61650irq/122-eno110:24:192
301329966,0cyclictest61650irq/122-eno110:10:142
301329966,0cyclictest61650irq/122-eno110:05:142
301329966,0cyclictest61650irq/122-eno109:11:242
301329966,0cyclictest61650irq/122-eno109:11:232
301329966,0cyclictest61650irq/122-eno109:00:122
301329966,0cyclictest61650irq/122-eno108:45:502
301329966,0cyclictest61650irq/122-eno108:26:172
301329965,1cyclictest9086-21ssh12:38:492
301329965,1cyclictest61650irq/122-eno112:25:102
301329965,1cyclictest61650irq/122-eno112:20:092
301329965,1cyclictest61650irq/122-eno110:45:192
301329965,1cyclictest61650irq/122-eno110:31:432
301329965,1cyclictest61650irq/122-eno109:55:182
301329965,1cyclictest61650irq/122-eno107:35:132
301329965,1cyclictest20069-21apt-get07:55:102
301329965,1cyclictest11301-21snmpd08:18:332
301329965,0cyclictest61650irq/122-eno111:45:082
301329964,1cyclictest61650irq/122-eno108:10:212
301329961,4cyclictest22381-21/usr/sbin/munin10:40:212
301329961,2cyclictest0-21swapper/207:45:112
301329960,6cyclictest0-21swapper/207:42:472
301329960,4cyclictest1120-21grep11:40:202
301249961,5cyclictest0-21swapper/110:42:271
301249960,6cyclictest0-21swapper/112:28:011
301249960,6cyclictest0-21swapper/111:44:361
301249960,6cyclictest0-21swapper/111:34:141
301249960,6cyclictest0-21swapper/111:22:141
301249960,6cyclictest0-21swapper/108:55:191
301249960,6cyclictest0-21swapper/108:34:181
301249960,6cyclictest0-21swapper/107:49:171
301249960,6cyclictest0-21swapper/107:25:281
301249960,6cyclictest0-21swapper/107:15:541
301249960,5cyclictest0-21swapper/112:30:191
301249960,4cyclictest0-21swapper/110:10:311
301249960,3cyclictest0-21swapper/111:06:021
301249960,3cyclictest0-21swapper/109:38:491
301249960,2cyclictest0-21swapper/110:54:261
301249960,2cyclictest0-21swapper/110:37:101
301249960,1cyclictest0-21swapper/108:06:431
301249960,0cyclictest0-21swapper/111:13:141
301249960,0cyclictest0-21swapper/109:55:181
301179965,1cyclictest17630-1kworker/u9:011:25:310
301179965,1cyclictest12572-1kworker/u9:012:15:020
301179965,1cyclictest11301-21snmpd09:05:250
301179965,1cyclictest10120-21ntpq09:35:170
301179964,1cyclictest11301-21snmpd08:45:590
301179964,1cyclictest11301-21snmpd08:26:510
301179964,1cyclictest11301-21snmpd08:21:210
301179964,1cyclictest0-21swapper/007:35:200
301179962,1cyclictest16628-21tune2fs08:55:130
301179960,6cyclictest0-21swapper/011:52:450
301179960,6cyclictest0-21swapper/008:18:420
301179960,6cyclictest0-21swapper/007:21:090
301179960,5cyclictest27136-21ssh10:00:150
301179960,5cyclictest22830-21diskmemload10:40:010
301179960,5cyclictest0-21swapper/012:00:020
301179960,5cyclictest0-21swapper/011:10:130
301179960,5cyclictest0-21swapper/010:05:000
301179960,1cyclictest18107-21diskstats12:05:140
301409955,0cyclictest0-21swapper/308:40:023
301409954,1cyclictest15205-21strings12:00:193
301409954,1cyclictest11753-21ntpq07:35:183
301409953,1cyclictest24796-21apt-get08:05:093
301409953,1cyclictest11301-21snmpd08:02:533
301409951,1cyclictest13610-21/usr/sbin/munin08:50:173
301409951,1cyclictest0-21swapper/308:10:143
301409950,3cyclictest0-21swapper/309:31:423
301409950,1cyclictest0-21swapper/312:25:153
301409950,1cyclictest0-21swapper/311:15:213
301329955,0cyclictest61650irq/122-eno108:09:112
301329953,1cyclictest15095-21grep08:50:192
301329950,4cyclictest21134-21expr09:05:122
301329950,1cyclictest0-21swapper/208:55:132
301249955,0cyclictest0-21swapper/111:45:221
301249954,0cyclictest0-21swapper/110:08:101
301249953,1cyclictest0-21swapper/107:59:551
301249951,1cyclictest0-21swapper/112:05:151
301249950,5cyclictest0-21swapper/112:18:141
301249950,5cyclictest0-21swapper/110:15:021
301249950,5cyclictest0-21swapper/109:07:541
301249950,5cyclictest0-21swapper/108:11:541
301249950,5cyclictest0-21swapper/108:00:411
301249950,4cyclictest0-21swapper/109:45:151
301249950,3cyclictest0-21swapper/112:01:581
301249950,3cyclictest0-21swapper/111:35:111
301249950,3cyclictest0-21swapper/109:15:431
301249950,3cyclictest0-21swapper/107:20:191
301249950,2cyclictest0-21swapper/112:20:111
301249950,2cyclictest0-21swapper/109:40:121
301249950,1cyclictest0-21swapper/110:59:211
301249950,1cyclictest0-21swapper/110:21:561
301249950,1cyclictest0-21swapper/109:53:411
301249950,0cyclictest0-21swapper/111:59:171
301249950,0cyclictest0-21swapper/110:25:211
301249950,0cyclictest0-21swapper/108:29:241
301179953,1cyclictest4176-21apt08:30:100
301409943,0cyclictest0-21swapper/307:55:103
301409941,1cyclictest29505-21apt-get08:15:113
301249942,1cyclictest0-21swapper/108:50:081
301249942,1cyclictest0-21swapper/107:10:161
301249942,1cyclictest0-21swapper/107:10:151
301249940,2cyclictest0-21swapper/107:30:001
301249940,0cyclictest0-21swapper/108:35:181
301249940,0cyclictest0-21swapper/108:22:421
301249931,1cyclictest0-21swapper/108:45:091
301249931,1cyclictest0-21swapper/108:40:111
301249931,1cyclictest0-21swapper/107:50:111
301249931,1cyclictest0-21swapper/107:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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