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2026-06-20 - 17:04

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #2

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rack1slot2s.osadl.org (updated Sat Jun 20, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450550,0irq/25-eth10-21swapper/306:48:493
106123929,0sleep10-21swapper/106:47:211
736323725,0sleep20-21swapper/206:50:502
729023421,0sleep00-21swapper/006:50:000
75459960,0cyclictest0-21swapper/012:10:430
339960,0migration/330357-21sh09:46:473
339960,0migration/329480-21sh09:23:453
339960,0migration/322144-21sh10:01:303
339960,0migration/321170-21sh12:01:233
339960,0migration/320893-21sh08:59:363
339960,0migration/320793-21sh10:59:083
339960,0migration/314078-21sh09:56:303
339960,0migration/312903-21sh10:54:233
339960,0migration/312750-21sh10:33:263
339960,0migration/312430-21timerwakeupswit10:12:303
339960,0migration/312389-21sh12:14:513
29715060,0irq/26-eth0-rx-24570-21cut11:22:263
29715060,0irq/26-eth0-rx-22578-21diskstats09:02:203
29715060,0irq/26-eth0-rx-15743-21kthreadcore06:57:253
149960,0migration/030729-21fschecks_count11:07:200
149960,0migration/030568-21taskset10:27:170
149960,0migration/029792-21sh10:46:170
149960,0migration/012623-21sh10:33:050
75479955,0cyclictest0-21swapper/209:48:002
75479955,0cyclictest0-21swapper/209:32:522
75479955,0cyclictest0-21swapper/209:32:522
75479953,0cyclictest31039-21awk11:07:212
75479950,0cyclictest0-21swapper/212:22:022
75479950,0cyclictest0-21swapper/211:32:132
75479950,0cyclictest0-21swapper/210:08:022
75479950,0cyclictest0-21swapper/207:42:212
75469955,0cyclictest0-21swapper/112:12:111
75469955,0cyclictest0-21swapper/111:38:171
75469955,0cyclictest0-21swapper/111:20:571
75469955,0cyclictest0-21swapper/111:16:321
75469955,0cyclictest0-21swapper/109:15:551
75469950,0cyclictest0-21swapper/112:09:491
75469950,0cyclictest0-21swapper/111:09:451
75469950,0cyclictest0-21swapper/109:56:451
75459955,0cyclictest0-21swapper/012:03:560
75459955,0cyclictest0-21swapper/010:04:170
75459950,0cyclictest0-21swapper/012:17:300
75459950,0cyclictest0-21swapper/009:00:260
4150,0ktimersoftd/00-21swapper/011:31:370
339950,0migration/3716-21kthreadcore09:27:233
339950,0migration/3716-21kthreadcore09:27:233
339950,0migration/35922-21taskset08:52:133
339950,0migration/34893-21rt-features08:47:293
339950,0migration/331138-21fschecks_count10:07:223
339950,0migration/329345-21needreboot08:17:283
339950,0migration/327782-21taskset07:07:203
339950,0migration/324080-21timerandwakeup08:37:313
339950,0migration/323825-21kthreadcore07:02:253
339950,0migration/322536-21fschecks_count07:27:223
339950,0migration/317372-21aten_r1power_en08:12:193
339950,0migration/316685-21taskset08:07:363
339950,0migration/314484-21munin-node10:17:193
339950,0migration/313992-21taskset06:55:033
29725050,0irq/27-eth0-tx-0-21swapper/007:52:240
29725050,0irq/27-eth0-tx-0-21swapper/007:32:270
29715050,0irq/26-eth0-rx-7372-21kthreadcore11:12:253
29715050,0irq/26-eth0-rx-6559-21runrttasks12:17:213
29715050,0irq/26-eth0-rx-6559-21runrttasks11:30:493
29715050,0irq/26-eth0-rx-5581-21ssh09:50:273
29715050,0irq/26-eth0-rx-30447-21tune2fs12:07:193
29715050,0irq/26-eth0-rx-27339-21runrttasks12:02:273
29715050,0irq/26-eth0-rx-21075-21ssh09:38:133
29715050,0irq/26-eth0-rx-19876-21open_inodes10:37:293
29715050,0irq/26-eth0-rx-17092-21kthreadcore11:17:253
29715050,0irq/26-eth0-rx-10001-21kthreadcore11:52:253
29715050,0irq/26-eth0-rx-0-21swapper/311:47:233
29715050,0irq/26-eth0-rx-0-21swapper/311:42:573
29715050,0irq/26-eth0-rx-0-21swapper/311:37:253
29715050,0irq/26-eth0-rx-0-21swapper/311:32:253
29715050,0irq/26-eth0-rx-0-21swapper/311:02:243
29715050,0irq/26-eth0-rx-0-21swapper/310:48:523
29715050,0irq/26-eth0-rx-0-21swapper/310:47:003
29715050,0irq/26-eth0-rx-0-21swapper/310:02:253
29715050,0irq/26-eth0-rx-0-21swapper/309:17:123
179950,0migration/18380-21kthreadcore10:32:251
179950,0migration/128477-21turbostat.cron07:32:031
179950,0migration/124695-21kthreadcore11:22:261
169950,0watchdog/110894-21sort08:07:231
149950,0migration/09355-21kthreadcore11:52:240
149950,0migration/0915-21kthreadcore10:07:260
149950,0migration/08086-21kthreadcore10:12:240
149950,0migration/07420-21kernelversion10:52:240
149950,0migration/07140-21irqrtprio11:12:240
149950,0migration/05206-21taskset09:28:530
149950,0migration/05206-21taskset09:28:530
149950,0migration/05128-21kthreadcore07:37:250
149950,0migration/031792-21kthreadcore09:07:260
149950,0migration/031072-21taskset08:43:160
149950,0migration/030259-21cpuspeed_turbos11:47:220
149950,0migration/027611-21missed_timers11:02:260
149950,0migration/025802-21kthreadcore09:42:240
149950,0migration/024571-21fschecks_time08:17:230
149950,0migration/019539-21kthreadcore07:47:260
149950,0migration/019478-21kthreadcore09:37:250
149950,0migration/018980-21fschecks_time08:37:220
149950,0migration/018726-21kthreadcore07:22:270
149950,0migration/018719-21kthreadcore09:17:260
149950,0migration/014592-21fschecks_time11:17:210
149950,0migration/013580-21timerwakeupswit06:52:320
149950,0migration/013190-21taskset09:54:010
149950,0migration/011284-21kthreadcore07:17:270
149950,0migration/010261-21mdstat08:27:270
75479944,0cyclictest0-21swapper/210:58:382
75479944,0cyclictest0-21swapper/210:39:432
75479943,0cyclictest7362-21awk10:12:222
75479943,0cyclictest5832-21awk08:27:232
75479943,0cyclictest3968-21awk07:37:232
75479943,0cyclictest3556-21lldpd12:08:362
75479943,0cyclictest3556-21lldpd11:47:052
75479943,0cyclictest3556-21lldpd10:42:352
75479943,0cyclictest3556-21lldpd09:57:352
75479943,0cyclictest3556-21lldpd09:53:352
75479943,0cyclictest3556-21lldpd08:18:342
75479943,0cyclictest3514-21snmpd12:05:462
75479943,0cyclictest3514-21snmpd11:50:462
75479943,0cyclictest3514-21snmpd10:32:462
75479943,0cyclictest3514-21snmpd10:02:462
75479943,0cyclictest3514-21snmpd09:18:152
75479943,0cyclictest3514-21snmpd09:02:152
75479943,0cyclictest3514-21snmpd07:32:442
75479943,0cyclictest3514-21snmpd07:27:142
75479943,0cyclictest3514-21snmpd07:21:592
75479943,0cyclictest32510-21awk08:47:232
75479943,0cyclictest3241-21irqbalance11:22:162
75479943,0cyclictest3241-21irqbalance08:57:572
75479943,0cyclictest3241-21irqbalance08:56:572
75479943,0cyclictest3241-21irqbalance08:03:272
75479943,0cyclictest3241-21irqbalance07:57:272
75479943,0cyclictest3241-21irqbalance07:22:172
75479943,0cyclictest3241-21irqbalance07:14:472
75479943,0cyclictest3241-21irqbalance07:07:272
75479943,0cyclictest3241-21irqbalance07:03:072
75479943,0cyclictest3241-21irqbalance06:57:272
75479943,0cyclictest3241-21irqbalance06:54:172
75479943,0cyclictest31265-21awk10:47:232
75479943,0cyclictest30906-21awk11:27:202
75479943,0cyclictest23921-21awk07:52:242
75479943,0cyclictest23660-21awk09:42:222
75479943,0cyclictest23476-21awk10:22:222
75479943,0cyclictest23054-21awk11:02:222
75479943,0cyclictest18225-21awk08:12:222
75479943,0cyclictest14848-21awk11:17:232
75479943,0cyclictest14745-21awk11:37:222
75479943,0cyclictest12506-21awk08:32:232
75479943,0cyclictest11535-21awk08:07:252
75479942,0cyclictest0-21swapper/209:27:362
75479942,0cyclictest0-21swapper/209:27:362
75479940,0cyclictest2652-21grep09:07:272
75479940,0cyclictest22883-21munin-node09:22:232
75479940,0cyclictest14385-21perl11:57:202
75479940,0cyclictest10991-21ntpq12:12:262
75479940,0cyclictest0-21swapper/210:52:242
75479940,0cyclictest0-21swapper/210:27:122
75479940,0cyclictest0-21swapper/210:18:462
75479940,0cyclictest0-21swapper/209:39:162
75479940,0cyclictest0-21swapper/209:12:342
75469944,0cyclictest0-21swapper/109:31:031
75469944,0cyclictest0-21swapper/109:31:031
75469944,0cyclictest0-21swapper/106:52:371
75469943,0cyclictest6637-21awk11:32:231
75469943,0cyclictest4818-21awk08:02:221
75469943,0cyclictest3556-21lldpd11:28:361
75469943,0cyclictest3556-21lldpd11:02:351
75469943,0cyclictest3556-21lldpd08:54:351
75469943,0cyclictest32549-21awk08:47:241
75469943,0cyclictest31749-21awk09:47:241
75469943,0cyclictest31579-21awk08:22:241
75469943,0cyclictest29566-21awk07:32:221
75469943,0cyclictest23755-21awk09:22:241
75469943,0cyclictest21844-21sadc11:02:071
75469943,0cyclictest15387-21awk10:17:231
75469943,0cyclictest14823-21awk08:57:231
75459944,0cyclictest0-21swapper/011:35:240
75459944,0cyclictest0-21swapper/010:48:540
75459944,0cyclictest0-21swapper/010:23:210
75459944,0cyclictest0-21swapper/010:19:150
75459944,0cyclictest0-21swapper/009:04:130
75459943,0cyclictest3514-21snmpd09:12:300
75459943,0cyclictest30663-21awk07:57:240
75459943,0cyclictest14612-21awk11:57:210
75459943,0cyclictest10598-21awk07:42:250
75459940,0cyclictest0-21swapper/009:57:490
339940,0migration/39028-21kthreadcore08:27:263
339940,0migration/330827-21kthreadcore07:32:243
339940,0migration/315854-21taskset07:43:523
339940,0migration/312876-21irqrtprio08:32:243
29725040,0irq/27-eth0-tx-17315-21munin-node08:12:260
29725040,0irq/27-eth0-tx-0-21swapper/008:52:130
29725040,0irq/27-eth0-tx-0-21swapper/006:57:260
29715040,0irq/26-eth0-rx-0-21swapper/311:07:513
29715040,0irq/26-eth0-rx-0-21swapper/310:27:183
29715040,0irq/26-eth0-rx-0-21swapper/310:22:223
29715040,0irq/26-eth0-rx-0-21swapper/309:36:473
29715040,0irq/26-eth0-rx-0-21swapper/309:36:473
29715040,0irq/26-eth0-rx-0-21swapper/309:12:173
29715040,0irq/26-eth0-rx-0-21swapper/309:07:323
29715040,0irq/26-eth0-rx-0-21swapper/307:47:253
29715040,0irq/26-eth0-rx-0-21swapper/307:37:193
179940,0migration/19079-21kthreadcore08:27:261
179940,0migration/16664-21fschecks_time10:52:211
179940,0migration/16361-21gltestperf11:52:201
179940,0migration/13569-21sh10:47:271
179940,0migration/12885-21munin-node07:12:231
179940,0migration/12879-21latency_hist07:37:091
179940,0migration/123684-21munin-node09:42:231
179940,0migration/122550-21aten_r1power_en10:22:181
179940,0migration/122141-21cpuspeed_turbos11:42:191
179940,0migration/121517-21kthreadcore07:47:261
179940,0migration/119507-21munin-node12:17:311
179940,0migration/117329-21aten_r1power_cu08:12:181
179940,0migration/115511-21idleruntime09:37:221
179940,0migration/11501-21kthreadcore11:47:271
169940,0watchdog/131253-21grep10:07:221
169940,0watchdog/125759-21idleruntime08:42:221
169940,0watchdog/124537-21fschecks_time08:17:231
169940,0watchdog/10-21swapper/112:02:421
169940,0watchdog/10-21swapper/110:46:341
169940,0watchdog/10-21swapper/109:02:221
169940,0watchdog/10-21swapper/107:22:271
149940,0migration/05090-21sh09:49:040
149940,0migration/029046-21diskmemload09:22:350
149940,0migration/027179-21kthreadcore11:42:250
149940,0migration/026524-21kthreadcore07:27:260
149940,0migration/016760-21kthreadcore11:37:250
149940,0migration/014105-21runrttasks09:36:200
149940,0migration/014105-21runrttasks09:36:200
75479932,0cyclictest11444-21awk11:12:272
75479932,0cyclictest0-21swapper/211:52:112
75479931,0cyclictest0-21swapper/207:47:222
75479930,0cyclictest2672-21grep08:22:272
75479930,0cyclictest25589-21munin-node08:42:212
75479930,0cyclictest0-21swapper/208:37:412
75469933,0cyclictest28655-21awk07:07:241
75469932,0cyclictest3556-21lldpd11:57:351
75469932,0cyclictest3171-21sed07:57:311
75469932,0cyclictest31303-21awk09:07:241
75469932,0cyclictest30828-21cpuspeed_turbos10:27:191
75469932,0cyclictest23508-21awk10:02:221
75469932,0cyclictest19168-21kthreadcore09:17:261
75469932,0cyclictest17333-21sensors08:32:301
75469932,0cyclictest13698-21kthreadcore07:42:281
75469930,0cyclictest0-21swapper/108:40:281
75459933,0cyclictest9523-21kworker/0:211:22:130
75459933,0cyclictest9523-21kworker/0:210:57:130
75459933,0cyclictest9523-21kworker/0:210:37:150
75459933,0cyclictest9523-21kworker/0:208:47:120
75459933,0cyclictest9523-21kworker/0:208:32:580
75459933,0cyclictest9523-21kworker/0:208:22:200
75459933,0cyclictest9523-21kworker/0:208:07:200
75459933,0cyclictest30750-21kworker/0:012:12:110
75459933,0cyclictest28640-21kworker/0:107:12:120
75459933,0cyclictest28640-21kworker/0:107:02:160
29725030,0irq/27-eth0-tx-0-21swapper/008:02:240
29725030,0irq/27-eth0-tx-0-21swapper/007:07:210
29715030,0irq/26-eth0-rx-0-21swapper/308:46:243
29715030,0irq/26-eth0-rx-0-21swapper/308:22:263
29715030,0irq/26-eth0-rx-0-21swapper/307:54:513
29715030,0irq/26-eth0-rx-0-21swapper/307:23:053
29715030,0irq/26-eth0-rx-0-21swapper/307:17:223
29715030,0irq/26-eth0-rx-0-21swapper/307:12:123
179930,0migration/127362-21runrttasks07:05:281
169930,0watchdog/15693-21diskmemload09:32:181
169930,0watchdog/15693-21diskmemload09:32:181
169930,0watchdog/123682-21fschecks_time07:52:231
169930,0watchdog/10-21swapper/110:37:261
169930,0watchdog/10-21swapper/110:12:181
169930,0watchdog/10-21swapper/109:57:101
169930,0watchdog/10-21swapper/107:17:271
169930,0watchdog/10-21swapper/106:57:311
29715020,0irq/26-eth0-rx-0-21swapper/308:02:173
29715020,0irq/26-eth0-rx-0-21swapper/307:57:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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