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2026-06-05 - 20:56
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack1slot2.osadl.org (updated Fri Jun 05, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1955123828,0sleep30-21swapper/307:22:283
1967323723,0sleep00-21swapper/007:23:490
1934323625,0sleep20-21swapper/207:19:592
1935223526,0sleep10-21swapper/107:20:061
8305060,0irq/26-0000:00:9684-21ls11:59:292
339960,0migration/36969-21sh11:38:203
339960,0migration/34904-21aten_r1power_vo10:04:383
339960,0migration/329033-21munin-node11:14:403
339960,0migration/319501-21sh12:21:323
339960,0migration/31334-21fschecks_time10:39:413
339960,0migration/311410-21needreboot11:19:513
29815060,0irq/29-eth0-tx-30017-21kthreadcore09:39:472
29815060,0irq/29-eth0-tx-19804-21munin-node09:54:482
29815060,0irq/29-eth0-tx-11953-21ntp_offset12:34:482
29805060,0irq/28-eth0-rx-13428-21df_inode08:04:423
197979966,0cyclictest83050irq/26-0000:00:11:19:512
197979960,0cyclictest0-21swapper/212:42:532
197979960,0cyclictest0-21swapper/209:39:032
197959965,0cyclictest24332-21kworker/0:208:58:590
197959964,0cyclictest19721-21kworker/0:108:25:330
149960,0migration/023881-21kthreadcore09:54:450
339950,0migration/39198-21irqcore09:29:473
339950,0migration/39088-21taskset11:57:523
339950,0migration/37401-21kthreadcore08:19:473
339950,0migration/37040-21kthreadcore09:44:443
339950,0migration/34678-21munin-node07:54:493
339950,0migration/34653-21kthreadcore09:04:453
339950,0migration/34495-21kthreadcore09:24:443
339950,0migration/34437-21taskset10:04:263
339950,0migration/330602-21kthreadcore07:29:453
339950,0migration/329914-21munin-node07:49:523
339950,0migration/329804-21kthreadcore11:49:483
339950,0migration/328684-21taskset08:59:433
339950,0migration/324626-21kthreadcore10:14:463
339950,0migration/322628-21kthreadcore08:54:453
339950,0migration/321001-21hwlatdetect07:24:433
339950,0migration/320896-21fschecks_time08:09:413
339950,0migration/320550-21kthreadcore10:49:473
339950,0migration/317923-21kthreadcore11:24:463
339950,0migration/316191-21latency_hist11:44:293
339950,0migration/312610-21fschecks_time11:04:423
329950,0watchdog/34070-21ssh12:30:283
329950,0watchdog/3407-21if_err_eth012:49:443
329950,0watchdog/316946-21iostat_ios10:29:433
329950,0watchdog/312201-21ls07:59:553
329950,0watchdog/30-21swapper/311:29:593
29815050,0irq/29-eth0-tx-6644-21grep10:04:442
29815050,0irq/29-eth0-tx-5811-21munin-node07:59:430
29815050,0irq/29-eth0-tx-27950-21cut10:34:462
29815050,0irq/29-eth0-tx-21764-21ssh10:14:242
29815050,0irq/29-eth0-tx-14615-21ssh09:29:592
29815050,0irq/29-eth0-tx-1357-21kthreadcore11:34:452
29815050,0irq/29-eth0-tx-11578-21ssh12:18:242
29815050,0irq/29-eth0-tx-0-21swapper/212:04:432
29815050,0irq/29-eth0-tx-0-21swapper/212:04:432
29815050,0irq/29-eth0-tx-0-21swapper/211:49:332
29815050,0irq/29-eth0-tx-0-21swapper/211:09:252
29815050,0irq/29-eth0-tx-0-21swapper/210:54:452
29815050,0irq/29-eth0-tx-0-21swapper/008:44:390
29805050,0irq/28-eth0-rx-9750-21df_inode07:39:413
29805050,0irq/28-eth0-rx-18161-21ssh12:04:053
29805050,0irq/28-eth0-rx-14491-21chrt12:39:393
29805050,0irq/28-eth0-rx-0-21swapper/312:38:453
29805050,0irq/28-eth0-rx-0-21swapper/312:16:383
29805050,0irq/28-eth0-rx-0-21swapper/311:39:463
29805050,0irq/28-eth0-rx-0-21swapper/311:12:173
29805050,0irq/28-eth0-rx-0-21swapper/310:55:243
29805050,0irq/28-eth0-rx-0-21swapper/310:36:203
29805050,0irq/28-eth0-rx-0-21swapper/310:09:453
29805050,0irq/28-eth0-rx-0-21swapper/309:54:223
29805050,0irq/28-eth0-rx-0-21swapper/308:34:463
259950,0migration/229948-21munin-node07:49:542
259950,0migration/228587-21timerandwakeup10:14:532
259950,0migration/225858-21latency07:24:472
259950,0migration/224718-21irqrtprio12:44:452
259950,0migration/218358-21kthreadcore07:44:442
259950,0migration/216484-21taskset09:11:562
197979955,0cyclictest0-21swapper/210:45:352
197979955,0cyclictest0-21swapper/209:51:592
197979954,0cyclictest83050irq/26-0000:00:08:04:552
197979950,0cyclictest0-21swapper/212:28:232
197979950,0cyclictest0-21swapper/212:11:022
197979950,0cyclictest0-21swapper/211:24:322
197979950,0cyclictest0-21swapper/207:54:322
197969955,0cyclictest0-21swapper/112:36:091
197969955,0cyclictest0-21swapper/112:31:441
197969955,0cyclictest0-21swapper/111:54:501
197969950,0cyclictest0-21swapper/112:08:051
197969950,0cyclictest0-21swapper/112:08:051
197969950,0cyclictest0-21swapper/111:21:251
197959955,0cyclictest24332-21kworker/0:209:19:570
197959955,0cyclictest24332-21kworker/0:209:14:350
197959955,0cyclictest24332-21kworker/0:209:04:350
197959955,0cyclictest19721-21kworker/0:108:35:110
197959955,0cyclictest19721-21kworker/0:108:29:310
197959955,0cyclictest19721-21kworker/0:108:19:470
197959955,0cyclictest19721-21kworker/0:108:09:310
197959955,0cyclictest19721-21kworker/0:107:56:190
197959955,0cyclictest19721-21kworker/0:107:50:010
197959955,0cyclictest19721-21kworker/0:107:44:310
197959955,0cyclictest19721-21kworker/0:107:39:390
197959955,0cyclictest19721-21kworker/0:107:34:350
197959955,0cyclictest11789-21kworker/0:207:24:350
197959954,0cyclictest9174-21awk10:44:280
197959954,0cyclictest0-21swapper/009:09:450
197959950,0cyclictest29265-21munin-run12:29:290
19150,0ktimersoftd/131158-21diskmemload11:09:171
179950,0migration/13515-21idleruntime09:04:421
179950,0migration/129404-21proc_pri12:44:501
179950,0migration/125921-21cpuspeed_turbos09:39:411
179950,0migration/122118-21sh10:29:511
179950,0migration/121185-21cpuspeed_turbos12:24:401
179950,0migration/120715-21cpuspeed_turbos11:09:411
179950,0migration/11922-21latency09:59:461
179950,0migration/116545-21latency_hist09:34:281
179950,0migration/112936-21kthreadcore09:49:461
179950,0migration/111585-21sh12:18:251
169950,0watchdog/19931-21ssh11:00:191
149950,0migration/0871-21taskset11:54:240
149950,0migration/07483-21kthreadcore10:59:460
149950,0migration/05783-21sh12:34:350
149950,0migration/03971-21munin-node12:14:400
149950,0migration/031359-21kthreadcore08:59:460
149950,0migration/029709-21taskset11:30:490
149950,0migration/027373-21aten_r1power_po07:29:390
149950,0migration/027338-21latency_hist08:14:280
149950,0migration/026960-21irqcore09:39:450
149950,0migration/025580-21taskset12:05:500
149950,0migration/025580-21taskset12:05:500
149950,0migration/025556-21sh10:52:050
149950,0migration/02504-21sh10:58:540
149950,0migration/023179-21kthreadcore11:09:460
149950,0migration/022808-21fschecks_time10:14:420
149950,0migration/019528-21timerandwakeup08:49:540
149950,0migration/015812-21switchtime10:44:520
149950,0migration/015025-21kthreadcore08:04:460
149950,0migration/014891-21sh09:30:400
149950,0migration/01464-21kthreadcore11:34:450
149950,0migration/012986-21taskset11:22:280
149950,0migration/012209-21kthreadcore11:39:460
149950,0migration/012189-21munin-node09:49:440
149950,0migration/01187-21kthreadcore08:39:450
149950,0migration/010808-21fschecks_time11:59:420
8305040,0irq/26-0000:00:0-21swapper/211:29:292
339940,0migration/39776-21aten2.4-expect09:09:383
339940,0migration/36997-21diskmemload10:24:313
339940,0migration/36769-21kthreadcore07:34:463
339940,0migration/330568-21kthreadcore08:14:453
339940,0migration/328311-21kthreadcore09:19:463
339940,0migration/321592-21fschecks_time12:24:413
339940,0migration/316953-21aten_r1power_cu09:14:373
339940,0migration/315433-21kthreadcore08:49:473
339940,0migration/311362-21kthreadcore08:24:453
339940,0migration/311250-21kthreadcore10:44:453
329940,0watchdog/30-21swapper/310:23:033
329940,0watchdog/30-21swapper/309:34:393
29815040,0irq/29-eth0-tx-8544-21tune2fs11:39:422
29815040,0irq/29-eth0-tx-3036-21ssh10:00:402
29815040,0irq/29-eth0-tx-2989-21ssh10:59:332
29815040,0irq/29-eth0-tx-26241-21cat11:09:472
29815040,0irq/29-eth0-tx-0-21swapper/211:14:402
29815040,0irq/29-eth0-tx-0-21swapper/210:49:412
29815040,0irq/29-eth0-tx-0-21swapper/210:40:032
29815040,0irq/29-eth0-tx-0-21swapper/210:19:432
29815040,0irq/29-eth0-tx-0-21swapper/209:26:222
29805040,0irq/28-eth0-rx-0-21swapper/312:46:243
29805040,0irq/28-eth0-rx-0-21swapper/312:09:303
29805040,0irq/28-eth0-rx-0-21swapper/312:06:433
29805040,0irq/28-eth0-rx-0-21swapper/312:06:433
29805040,0irq/28-eth0-rx-0-21swapper/310:59:303
29805040,0irq/28-eth0-rx-0-21swapper/309:54:433
29805040,0irq/28-eth0-rx-0-21swapper/309:39:593
259940,0migration/28910-21kthreadcore07:59:472
259940,0migration/27946-21kthreadcore09:04:462
259940,0migration/27371-21cpuspeed_turbos10:24:382
259940,0migration/26665-21kthreadcore09:44:442
259940,0migration/225212-21kthreadcore08:54:462
259940,0migration/225045-21if_eth008:34:442
259940,0migration/22463-21kthreadcore12:49:462
259940,0migration/217175-21cpuspeed_turbos09:14:382
259940,0migration/214835-21kthreadcore12:19:462
249940,0watchdog/217122-21perl11:44:442
249940,0watchdog/20-21swapper/212:29:442
249940,0watchdog/20-21swapper/208:49:472
197979943,0cyclictest3524-21snmpd10:29:292
197979943,0cyclictest3524-21snmpd08:48:282
197979943,0cyclictest3524-21snmpd07:34:582
197979943,0cyclictest3524-21snmpd07:29:582
197979943,0cyclictest32174-21awk08:39:432
197979943,0cyclictest28513-21awk08:14:432
197979943,0cyclictest25299-21awk09:19:442
197979943,0cyclictest17924-21awk08:29:442
197979943,0cyclictest11014-21awk11:59:432
197969943,0cyclictest7143-21awk08:44:431
197969943,0cyclictest3524-21snmpd11:14:441
197969943,0cyclictest3524-21snmpd10:35:141
197969943,0cyclictest3524-21snmpd08:09:281
197969943,0cyclictest32159-21awk08:39:431
197969943,0cyclictest31374-21cut07:54:411
197969943,0cyclictest15132-21awk11:24:441
197969943,0cyclictest14423-21awk08:49:451
197969943,0cyclictest11112-21awk11:59:441
197959944,0cyclictest24332-21kworker/0:209:24:290
197959944,0cyclictest0-21swapper/010:11:330
197959943,0cyclictest3250-21irqbalance11:44:350
197959943,0cyclictest3250-21irqbalance09:44:350
197959943,0cyclictest30656-21awk12:29:430
197959943,0cyclictest24344-21awk12:44:440
197959940,0cyclictest0-21swapper/011:16:300
179940,0migration/19825-21kthreadcore11:39:451
179940,0migration/18853-21kthreadcore10:24:431
179940,0migration/17108-21kthreadcore10:04:441
179940,0migration/14292-21kthreadcore10:39:461
179940,0migration/131495-21aten_r1power_fr09:24:381
179940,0migration/130721-21kthreadcore11:49:481
179940,0migration/130200-21kthreadcore08:14:451
179940,0migration/128559-21irqcore07:29:441
179940,0migration/127413-21fschecks_time10:54:411
179940,0migration/126083-21kthreadcore11:29:461
179940,0migration/12368-21cpuspeed_turbos09:44:381
179940,0migration/123363-21taskset07:47:571
179940,0migration/120536-21fschecks_time09:54:411
179940,0migration/120381-21kthreadcore12:39:461
179940,0migration/118432-21kthreadcore11:44:471
179940,0migration/118370-21munin-node09:34:451
179940,0migration/115676-21taskset09:09:461
179940,0migration/112756-21kthreadcore10:44:451
179940,0migration/112166-21kthreadcore07:39:461
179940,0migration/111183-21kthreadcore08:24:451
169940,0watchdog/17372-21kernelversion07:59:471
169940,0watchdog/17300-21kthreadcore08:19:471
169940,0watchdog/1307712sleep108:38:111
169940,0watchdog/130755-21ssh10:19:391
169940,0watchdog/130090-21ssh10:18:271
169940,0watchdog/122061-21kthreadcore10:49:471
169940,0watchdog/10-21swapper/112:49:441
169940,0watchdog/10-21swapper/112:24:281
169940,0watchdog/10-21swapper/110:09:391
149940,0migration/06392-21kthreadcore10:04:440
149940,0migration/05092-21kthreadcore12:49:470
149940,0migration/029478-21hwlatdetect09:59:430
149940,0migration/016428-21kthreadcore12:39:450
149940,0migration/01047-21kthreadcore10:19:460
8305030,0irq/26-0000:00:0-21swapper/209:00:172
329930,0watchdog/30-21swapper/308:39:473
329930,0watchdog/30-21swapper/308:29:393
197979932,0cyclictest2348-21basename08:19:402
197979932,0cyclictest21302-21awk08:09:432
197979932,0cyclictest15769-21sensors08:24:502
197979932,0cyclictest10381-21awk07:39:432
197969932,0cyclictest5338-21sensors11:34:501
197969932,0cyclictest3571-21lldpd07:50:361
197969932,0cyclictest3571-21lldpd07:25:061
197969932,0cyclictest3524-21snmpd08:54:431
197969932,0cyclictest3088-21awk07:34:431
197969932,0cyclictest28390-21awk12:09:441
197969932,0cyclictest24395-21cpuspeed_turbos09:19:401
197969930,0cyclictest0-21swapper/108:09:041
197959933,0cyclictest24332-21kworker/0:210:24:370
197959933,0cyclictest24332-21kworker/0:209:34:370
197959933,0cyclictest22126-21kworker/0:211:24:420
197959933,0cyclictest22126-21kworker/0:211:04:300
197959933,0cyclictest22126-21kworker/0:210:34:300
197959933,0cyclictest2179-21kworker/0:011:54:460
197959932,0cyclictest3250-21irqbalance12:19:350
197959932,0cyclictest3250-21irqbalance12:09:350
197959932,0cyclictest22094-21sensors10:29:490
169930,0watchdog/10-21swapper/109:14:431
169930,0watchdog/10-21swapper/108:29:391
329920,0watchdog/30-21swapper/308:44:313
29805020,0irq/28-eth0-rx-0-21swapper/307:44:293
197969921,0cyclictest0-21swapper/108:59:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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