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2026-05-21 - 15:30
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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 Thu May 21, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1391424536,0sleep20-21swapper/207:23:032
1359023728,0sleep30-21swapper/307:19:163
1380923523,0sleep00-21swapper/007:21:490
1380523127,0sleep10-21swapper/107:21:461
14007991111,0cyclictest28121-21sensors08:58:381
339960,0migration/35150-21sh11:02:063
339960,0migration/34666-21sh09:47:043
339960,0migration/326040-21sh10:35:243
339960,0migration/326040-21sh10:35:243
339960,0migration/323936-21sh11:30:353
339960,0migration/319505-21sh12:05:293
339960,0migration/312331-21sh09:49:063
29805060,0irq/28-eth0-rx-25511-21diskstats10:18:293
29805060,0irq/28-eth0-rx-16474-21ssh12:43:253
149960,0migration/032524-21sh12:50:470
149960,0migration/023156-21kthreadcore12:08:320
149960,0migration/02159-21kthreadcore08:43:310
149960,0migration/02104-21fschecks_time10:23:270
339950,0migration/39932-21sh11:58:423
339950,0migration/39200-21kthreadcore08:03:313
339950,0migration/37889-21aten_r1power_vo10:08:253
339950,0migration/36845-21gltestperf11:03:293
339950,0migration/3303-21munin-node11:18:293
339950,0migration/328363-21kthreadcore08:38:323
339950,0migration/327968-21munin-node08:13:403
339950,0migration/326987-21kthreadcore12:28:353
339950,0migration/323029-21latency_hist11:13:143
339950,0migration/321501-21runrttasks11:09:343
339950,0migration/320601-21fschecks_time09:38:273
339950,0migration/315786-21kthreadcore11:43:323
339950,0migration/315262-21kthreadcore09:33:323
339950,0migration/311542-21munin-node10:28:333
339950,0migration/311430-21fschecks_time07:43:273
329950,0watchdog/36721-21sh12:35:503
329950,0watchdog/35827-21cut12:18:263
329950,0watchdog/331144-21netstat12:48:343
329950,0watchdog/328891-21munin-node08:18:293
329950,0watchdog/322803-21perl08:58:293
329950,0watchdog/321694-21ps08:58:093
29815050,0irq/29-eth0-tx-25420-21munin-node08:38:260
29815050,0irq/29-eth0-tx-0-21swapper/008:48:290
29805050,0irq/28-eth0-rx-8403-21port_sshpriv09:28:363
29805050,0irq/28-eth0-rx-8207-21kthreadcore08:23:323
29805050,0irq/28-eth0-rx-7994-21ssh11:23:253
29805050,0irq/28-eth0-rx-7581-21kthreadcore10:43:343
29805050,0irq/28-eth0-rx-32400-21kthreadcore12:13:323
29805050,0irq/28-eth0-rx-31921-21kthreadcore11:53:323
29805050,0irq/28-eth0-rx-30615-21ssh10:01:493
29805050,0irq/28-eth0-rx-21753-21kthreadcore11:48:333
29805050,0irq/28-eth0-rx-20895-21kthreadcore10:13:343
29805050,0irq/28-eth0-rx-13908-21kthreadcore10:48:323
29805050,0irq/28-eth0-rx-0-21swapper/312:10:353
29805050,0irq/28-eth0-rx-0-21swapper/311:38:333
29805050,0irq/28-eth0-rx-0-21swapper/311:37:123
29805050,0irq/28-eth0-rx-0-21swapper/310:54:163
29805050,0irq/28-eth0-rx-0-21swapper/310:38:293
29805050,0irq/28-eth0-rx-0-21swapper/310:07:483
29805050,0irq/28-eth0-rx-0-21swapper/309:27:453
29805050,0irq/28-eth0-rx-0-21swapper/308:48:323
29805050,0irq/28-eth0-rx-0-21swapper/307:33:333
27150,0ktimersoftd/20-21swapper/209:40:062
249950,0watchdog/23073-21smartctl09:28:292
179950,0migration/19810-21ntp_offset08:23:341
179950,0migration/127284-21kthreadcore08:13:331
179950,0migration/117020-21ntp_offset08:28:361
179950,0migration/116474-21kthreadcore10:48:331
179950,0migration/116146-21kthreadcore12:23:331
179950,0migration/112681-21sh12:19:271
169950,0watchdog/129429-21python11:13:381
140089955,0cyclictest25392-21diskmemload12:07:502
140089955,0cyclictest0-21swapper/212:35:062
140089955,0cyclictest0-21swapper/209:46:532
140089954,0cyclictest22592-21awk07:28:312
140089950,0cyclictest0-21swapper/212:21:422
140079954,0cyclictest6495-21awk09:48:301
140069955,0cyclictest0-21swapper/011:10:200
140069950,0cyclictest0-21swapper/011:58:440
140069950,0cyclictest0-21swapper/010:55:120
140069950,0cyclictest0-21swapper/010:37:420
140069950,0cyclictest0-21swapper/010:37:420
149950,0migration/08673-21fschecks_time12:38:280
149950,0migration/07338-21kthreadcore10:43:340
149950,0migration/06018-21munin-node07:58:340
149950,0migration/05447-21aten_r1power_en09:48:250
149950,0migration/04900-21sh12:16:540
149950,0migration/029195-21switchtime09:58:420
149950,0migration/028955-21missed_timers12:28:360
149950,0migration/02767-21kthreadcore10:03:340
149950,0migration/026150-21munin-node10:18:310
149950,0migration/024526-21irqrtprio11:13:310
149950,0migration/021876-21kthreadcore08:33:310
149950,0migration/021745-21kthreadcore12:43:340
149950,0migration/018155-21kthreadcore09:53:310
149950,0migration/017140-21taskset11:44:480
149950,0migration/015581-21kthreadcore07:43:320
149950,0migration/014164-21latency_hist07:23:140
149950,0migration/014162-21ksmtuned11:08:110
149950,0migration/014055-21kthreadcore12:03:310
149950,0migration/013760-21kthreadcore08:28:330
149950,0migration/013631-21kthreadcore10:28:340
149950,0migration/012586-21irqrtprio09:33:310
149950,0migration/012536-21kthreadcore08:03:320
149950,0migration/01211-21sh09:26:570
149950,0migration/01178-21kthreadcore08:18:320
8305040,0irq/26-0000:00:13758-21python08:48:382
8305040,0irq/26-0000:00:0-21swapper/211:23:142
339940,0migration/34203-21kthreadcore08:43:323
339940,0migration/33858-21kthreadcore07:58:323
339940,0migration/326927-21kthreadcore07:53:313
339940,0migration/324300-21kthreadcore07:28:323
339940,0migration/314477-21taskset08:08:253
329940,0watchdog/38523-21kthreadcore07:38:333
329940,0watchdog/314963-21cut08:28:333
329940,0watchdog/30-21swapper/312:23:343
329940,0watchdog/30-21swapper/310:23:383
329940,0watchdog/30-21swapper/309:53:263
329940,0watchdog/30-21swapper/309:23:133
329940,0watchdog/30-21swapper/308:33:253
329940,0watchdog/30-21swapper/307:48:373
329940,0watchdog/30-21swapper/307:23:293
29815040,0irq/29-eth0-tx-7567-21kthreadcore09:48:322
29815040,0irq/29-eth0-tx-28825-21ssh11:53:312
29815040,0irq/29-eth0-tx-2764-21ssh10:41:452
29815040,0irq/29-eth0-tx-25392-21diskmemload10:59:112
29815040,0irq/29-eth0-tx-20606-21grep11:28:332
29815040,0irq/29-eth0-tx-17361-21ssh11:45:262
29815040,0irq/29-eth0-tx-15475-21ssh12:41:132
29815040,0irq/29-eth0-tx-0-21swapper/212:23:252
29815040,0irq/29-eth0-tx-0-21swapper/211:19:022
29815040,0irq/29-eth0-tx-0-21swapper/211:05:032
29815040,0irq/29-eth0-tx-0-21swapper/210:48:262
29815040,0irq/29-eth0-tx-0-21swapper/210:18:282
29815040,0irq/29-eth0-tx-0-21swapper/210:04:082
29815040,0irq/29-eth0-tx-0-21swapper/209:54:092
29815040,0irq/29-eth0-tx-0-21swapper/008:23:250
29815040,0irq/29-eth0-tx-0-21swapper/007:38:310
29805040,0irq/28-eth0-rx-0-21swapper/312:38:283
259940,0migration/26065-21pmu-power07:58:352
259940,0migration/22953-21sh09:03:372
259940,0migration/22870-21kthreadcore08:43:312
259940,0migration/226396-21kthreadcore10:53:312
259940,0migration/22113-21kthreadcore08:18:332
259940,0migration/220589-21ntp_offset11:08:342
259940,0migration/217795-21irqcore12:43:322
259940,0migration/211354-21cpuspeed_turbos09:33:272
259940,0migration/210824-21aten_r1power_po07:43:252
249940,0watchdog/232525-21ssh09:24:172
249940,0watchdog/225085-21kthreadcore12:28:342
249940,0watchdog/223409-21ssh10:14:262
249940,0watchdog/220289-21grep07:48:292
249940,0watchdog/20-21swapper/212:48:342
249940,0watchdog/20-21swapper/211:58:302
249940,0watchdog/20-21swapper/210:28:342
249940,0watchdog/20-21swapper/208:33:252
249940,0watchdog/20-21swapper/207:53:292
179940,0migration/19814-21kthreadcore08:03:311
179940,0migration/16732-21runrttasks08:00:151
179940,0migration/15936-21kthreadcore11:58:341
179940,0migration/14557-21fschecks_time10:43:291
179940,0migration/14520-21taskset07:38:301
179940,0migration/131392-21kthreadcore09:03:321
179940,0migration/128651-21kthreadcore09:23:331
179940,0migration/128465-21kthreadcore11:33:331
179940,0migration/124977-21kthreadcore07:28:331
179940,0migration/124492-21kernelversion12:28:341
179940,0migration/121875-21kthreadcore09:38:311
179940,0migration/119625-21fschecks_time10:33:301
179940,0migration/119625-21fschecks_time10:33:301
179940,0migration/119309-21kthreadcore12:43:331
179940,0migration/118645-21kthreadcore10:13:331
179940,0migration/117706-21kthreadcore08:53:311
179940,0migration/114194-21kthreadcore09:33:321
179940,0migration/112138-21kthreadcore10:08:321
169940,0watchdog/19571-21ssh11:42:421
169940,0watchdog/132620-21munin-node08:43:331
169940,0watchdog/12487-21ssh11:56:141
169940,0watchdog/123183-21df_abs09:58:301
169940,0watchdog/122037-21ssh11:11:061
169940,0watchdog/117811-21ssh10:31:301
169940,0watchdog/114306-21ssh11:23:381
169940,0watchdog/10-21swapper/111:06:221
169940,0watchdog/10-21swapper/110:53:301
169940,0watchdog/10-21swapper/110:38:261
169940,0watchdog/10-21swapper/110:20:581
169940,0watchdog/10-21swapper/109:28:291
169940,0watchdog/10-21swapper/108:18:291
169940,0watchdog/10-21swapper/107:23:291
140089943,0cyclictest5029-21awk09:08:282
140089943,0cyclictest4831-21awk08:23:292
140089943,0cyclictest3571-21lldpd12:14:202
140089943,0cyclictest3571-21lldpd11:14:482
140089943,0cyclictest3571-21lldpd10:44:172
140089943,0cyclictest3571-21lldpd07:39:132
140089943,0cyclictest28888-21sadc09:03:142
140089943,0cyclictest26236-21awk11:33:302
140089943,0cyclictest2538-21awk11:38:312
140089943,0cyclictest23989-21awk09:58:332
140089943,0cyclictest19797-21awk10:33:322
140089943,0cyclictest19797-21awk10:33:322
140089943,0cyclictest19488-21awk09:18:302
140089943,0cyclictest15371-21awk07:23:292
140089940,0cyclictest9840-21munin-run10:28:152
140079943,0cyclictest3571-21lldpd12:15:501
140079943,0cyclictest3571-21lldpd10:24:181
140079943,0cyclictest3524-21snmpd09:46:141
140079943,0cyclictest3524-21snmpd09:12:441
140079943,0cyclictest32554-21awk10:03:321
140079943,0cyclictest26203-21awk07:53:291
140079943,0cyclictest25394-21sadc09:23:151
140079943,0cyclictest19820-21awk11:48:321
140079943,0cyclictest18975-21awk07:48:271
140079943,0cyclictest17744-21awk11:28:311
140079943,0cyclictest15270-21awk09:53:291
140079943,0cyclictest11754-21awk07:43:291
140079943,0cyclictest11134-21awk11:43:291
140069943,0cyclictest3524-21snmpd07:32:130
140069943,0cyclictest3171-21awk09:28:300
140069943,0cyclictest23075-21awk08:58:310
140069943,0cyclictest22463-21needreboot10:13:350
149940,0migration/04045-21aten_r1power_en09:08:240
149940,0migration/02928-21kthreadcore10:58:320
149940,0migration/027077-21diskmemload11:53:150
149940,0migration/027063-21turbostat10:43:100
149940,0migration/023724-21kthreadcore08:13:320
149940,0migration/023004-21kthreadcore07:48:300
149940,0migration/016344-21latency_hist11:28:140
149940,0migration/015849-21irqcore08:08:310
8305030,0irq/26-0000:00:0-21swapper/208:08:192
329930,0watchdog/30-21swapper/309:08:453
29805030,0irq/28-eth0-rx-0-21swapper/309:13:253
29805030,0irq/28-eth0-rx-0-21swapper/309:03:263
249930,0watchdog/223406-21cut11:48:342
249930,0watchdog/20-21swapper/212:08:262
249930,0watchdog/20-21swapper/208:28:332
249930,0watchdog/20-21swapper/208:03:172
179930,0migration/12943-21runrttasks07:35:211
169930,0watchdog/118370-21aten_r1power_vo08:33:251
169930,0watchdog/10-21swapper/112:48:341
169930,0watchdog/10-21swapper/112:38:341
169930,0watchdog/10-21swapper/112:08:261
169930,0watchdog/10-21swapper/111:18:301
169930,0watchdog/10-21swapper/110:58:261
169930,0watchdog/10-21swapper/108:43:091
140089932,0cyclictest3524-21snmpd08:38:292
140089932,0cyclictest29769-21awk07:33:302
140089932,0cyclictest22824-21awk08:13:302
140089932,0cyclictest15817-21awk08:53:292
140089932,0cyclictest11272-21basename09:13:252
140089930,0cyclictest8152-21diskstats10:08:272
140079932,0cyclictest32695-21awk12:33:311
140079932,0cyclictest17839-21grep08:08:321
140079932,0cyclictest14128-21grep12:03:311
140069933,0cyclictest2317-21kworker/0:211:18:320
140069932,0cyclictest6392-21tune2fs12:18:280
140069932,0cyclictest6314-21runrttasks11:38:450
140069932,0cyclictest3524-21snmpd10:10:150
140069932,0cyclictest32624-21awk12:33:300
140069932,0cyclictest30187-21awk09:03:300
140069932,0cyclictest26825-21sh09:39:000
140069932,0cyclictest25120-21munin-node07:53:300
140069932,0cyclictest24623-21sensors09:18:370
140069932,0cyclictest24148-21sh11:31:120
140069932,0cyclictest20627-21sensors12:23:380
140069932,0cyclictest2013-21ssh11:54:560
140069932,0cyclictest13458-21awk10:48:310
140069930,0cyclictest17639-21grep08:53:310
140069930,0cyclictest11202-21munin-node09:13:270
169920,0watchdog/10-21swapper/109:13:211
169920,0watchdog/10-21swapper/108:48:171
140069921,0cyclictest286832chrt07:33:250
140069920,0cyclictest28834-21latency_hist09:43:150
140069920,0cyclictest0-21swapper/011:33:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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