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2026-02-02 - 15:39
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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 Mon Feb 02, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191520,0ktimersoftd/124774-21perf07:05:011
3126223627,0sleep30-21swapper/307:04:053
3104123523,0sleep20-21swapper/207:01:282
2498123221,0sleep00-21swapper/007:00:140
339960,0migration/39326-21munin-node08:25:243
339960,0migration/36089-21sh11:14:383
339960,0migration/35339-21sh11:33:433
339960,0migration/33652-21sh09:05:393
339960,0migration/33588-21sh12:10:473
339960,0migration/328505-21sh11:46:173
339960,0migration/312735-21sh12:19:053
314279966,0cyclictest0-21swapper/210:00:262
314279960,0cyclictest14284-21aten2.4-expect11:40:232
314269966,0cyclictest0-21swapper/112:25:281
314269965,0cyclictest14410-21ps12:20:251
314269960,0cyclictest0-21swapper/111:13:251
29725060,0irq/27-eth0-tx-29857-21munin-node09:05:260
29715060,0irq/26-eth0-rx-6249-21ssh10:54:243
29715060,0irq/26-eth0-rx-22752-21if_err_eth1.209:20:263
29715060,0irq/26-eth0-rx-19764-21python09:35:323
29715060,0irq/26-eth0-rx-15211-21cut07:15:293
29715060,0irq/26-eth0-rx-15211-21cut07:15:293
29715060,0irq/26-eth0-rx-10208-21kthreadcore09:30:273
149960,0migration/022104-21sh11:45:130
339950,0migration/37979-21kthreadcore10:10:273
339950,0migration/332483-21kthreadcore11:50:263
339950,0migration/332209-21munin-node07:50:263
339950,0migration/332054-21kthreadcore10:25:273
339950,0migration/330810-21hwlatdetect09:45:243
339950,0migration/328243-21taskset12:27:503
339950,0migration/327513-21munin-node10:00:323
339950,0migration/326457-21kthreadcore10:45:233
339950,0migration/324942-21kthreadcore10:20:283
339950,0migration/32372-21needreboot12:30:303
339950,0migration/320531-21munin-node07:45:233
339950,0migration/319750-21kthreadcore08:05:283
339950,0migration/319325-21munin-node12:00:293
339950,0migration/319320-21taskset10:35:373
339950,0migration/315845-21kthreadcore07:40:283
339950,0migration/314667-21irqrtprio12:20:253
339950,0migration/312723-21taskset10:34:363
314269955,0cyclictest0-21swapper/111:35:491
314269955,0cyclictest0-21swapper/109:16:451
314269954,0cyclictest3514-21snmpd08:10:021
314269950,0cyclictest0-21swapper/111:45:541
314269950,0cyclictest0-21swapper/108:28:501
314259955,0cyclictest0-21swapper/009:21:140
314259955,0cyclictest0-21swapper/009:12:430
314259950,0cyclictest0-21swapper/010:46:410
314259950,0cyclictest0-21swapper/010:19:520
314259950,0cyclictest0-21swapper/009:43:080
29725050,0irq/27-eth0-tx-6901-21munin-node07:35:300
29725050,0irq/27-eth0-tx-32555-21munin-node07:30:320
29725050,0irq/27-eth0-tx-32120-21if_eth1.310:50:252
29725050,0irq/27-eth0-tx-29105-21ssh10:24:552
29725050,0irq/27-eth0-tx-13740-21ssh09:55:212
29725050,0irq/27-eth0-tx-12264-21ssh09:31:042
29725050,0irq/27-eth0-tx-0-21swapper/212:15:242
29725050,0irq/27-eth0-tx-0-21swapper/212:08:372
29725050,0irq/27-eth0-tx-0-21swapper/210:47:202
29725050,0irq/27-eth0-tx-0-21swapper/210:41:502
29725050,0irq/27-eth0-tx-0-21swapper/210:07:562
29725050,0irq/27-eth0-tx-0-21swapper/209:18:162
29725050,0irq/27-eth0-tx-0-21swapper/008:40:340
29725050,0irq/27-eth0-tx-0-21swapper/008:30:330
29715050,0irq/26-eth0-rx-6559-21runrttasks11:04:543
29715050,0irq/26-eth0-rx-28177-21proc_pri11:25:313
29715050,0irq/26-eth0-rx-24323-21kthreadcore09:40:283
29715050,0irq/26-eth0-rx-23449-21kthreadcore12:05:263
29715050,0irq/26-eth0-rx-14502-21iostat_ios10:15:263
29715050,0irq/26-eth0-rx-13632-21ssh11:39:293
29715050,0irq/26-eth0-rx-0-21swapper/311:55:483
29715050,0irq/26-eth0-rx-0-21swapper/311:21:193
29715050,0irq/26-eth0-rx-0-21swapper/311:15:353
29715050,0irq/26-eth0-rx-0-21swapper/310:55:303
29715050,0irq/26-eth0-rx-0-21swapper/310:41:273
29715050,0irq/26-eth0-rx-0-21swapper/310:05:293
29715050,0irq/26-eth0-rx-0-21swapper/307:55:243
259950,0migration/29346-21kthreadcore11:55:272
259950,0migration/25515-21sh11:13:002
259950,0migration/24313-21sh09:07:462
259950,0migration/23559-21kthreadcore07:30:292
259950,0migration/232712-21kthreadcore11:30:272
259950,0migration/224078-21kthreadcore08:10:272
259950,0migration/222884-21sh11:05:192
259950,0migration/221850-21sh09:20:192
259950,0migration/220113-21ntp_offset11:20:312
259950,0migration/217821-21kthreadcore12:20:272
259950,0migration/216532-21kthreadcore11:00:272
249950,0watchdog/217558-21tr10:35:282
179950,0migration/119616-21missed_timers11:40:301
169950,0watchdog/16171-21sed12:15:241
149950,0migration/06599-21irqcore10:10:260
149950,0migration/05129-21timerwakeupswit07:05:340
149950,0migration/03371-21kthreadcore10:50:270
149950,0migration/031514-21kthreadcore12:10:260
149950,0migration/030407-21latency_hist11:30:100
149950,0migration/030289-21hwlatdetect10:25:250
149950,0migration/027887-21latency11:25:280
149950,0migration/02692-21kthreadcore07:55:270
149950,0migration/023677-21kthreadcore08:35:270
149950,0migration/023512-21kthreadcore07:20:280
149950,0migration/023101-21kthreadcore08:10:270
149950,0migration/022957-21latency_hist10:45:100
149950,0migration/022582-21munin-node10:00:240
149950,0migration/021890-21aten_r1power_po12:05:210
149950,0migration/021257-21irqcore07:45:270
149950,0migration/020344-21sh11:20:330
149950,0migration/019511-21kthreadcore11:00:280
149950,0migration/018527-21kthreadcore09:55:280
149950,0migration/017172-21fschecks_time08:55:250
149950,0migration/015477-21kthreadcore09:15:280
149950,0migration/010972-21munin-node12:15:300
339940,0migration/39780-21kthreadcore09:50:293
339940,0migration/39393-21taskset08:47:013
339940,0migration/37489-21kthreadcore09:10:273
339940,0migration/331377-21kthreadcore08:40:283
339940,0migration/32929-21kthreadcore07:30:283
339940,0migration/327811-21latency_hist08:15:103
339940,0migration/324560-21kthreadcore11:05:263
339940,0migration/318948-21kthreadcore09:55:283
339940,0migration/313280-21runrttasks07:39:343
339940,0migration/311035-21kthreadcore07:10:293
314279943,0cyclictest7749-21awk10:55:242
314279943,0cyclictest3556-21lldpd08:41:482
314279943,0cyclictest3514-21snmpd08:56:332
314279943,0cyclictest3514-21snmpd08:22:332
314279943,0cyclictest3514-21snmpd07:45:332
314279943,0cyclictest32597-21awk07:05:262
314279943,0cyclictest3241-21irqbalance11:25:382
314279943,0cyclictest27743-21awk07:50:222
314279943,0cyclictest26780-21awk07:25:252
314279943,0cyclictest21774-21sort12:25:232
314279943,0cyclictest13575-21awk07:15:282
314279943,0cyclictest13575-21awk07:15:282
314269944,0cyclictest0-21swapper/109:49:521
314269944,0cyclictest0-21swapper/109:40:151
314269944,0cyclictest0-21swapper/109:37:251
314269943,0cyclictest6778-21awk11:55:251
314269943,0cyclictest6586-21awk09:50:271
314269943,0cyclictest3556-21lldpd12:07:191
314269943,0cyclictest3556-21lldpd10:50:181
314269943,0cyclictest3556-21lldpd10:46:481
314269943,0cyclictest3556-21lldpd10:37:181
314269943,0cyclictest3556-21lldpd09:55:181
314269943,0cyclictest3556-21lldpd09:10:181
314269943,0cyclictest3556-21lldpd08:53:181
314269943,0cyclictest3556-21lldpd08:33:181
314269943,0cyclictest3556-21lldpd08:02:481
314269943,0cyclictest3556-21lldpd07:52:481
314269943,0cyclictest3241-21irqbalance12:11:481
314269943,0cyclictest3241-21irqbalance11:52:081
314269943,0cyclictest3241-21irqbalance11:20:181
314269943,0cyclictest3241-21irqbalance10:15:591
314269943,0cyclictest3241-21irqbalance10:11:591
314269943,0cyclictest3241-21irqbalance10:00:191
314269943,0cyclictest3241-21irqbalance07:20:191
314269943,0cyclictest3241-21irqbalance07:16:391
314269943,0cyclictest3241-21irqbalance07:16:391
314269943,0cyclictest3241-21irqbalance07:10:391
314269943,0cyclictest3241-21irqbalance07:05:391
314269943,0cyclictest31489-21awk11:30:251
314269943,0cyclictest30799-21awk09:05:251
314269943,0cyclictest30190-21awk12:30:261
314269943,0cyclictest24074-21awk09:00:261
314269943,0cyclictest23748-21awk11:05:241
314269943,0cyclictest23070-21awk08:35:251
314269943,0cyclictest22127-21awk08:10:251
314269943,0cyclictest14780-21awk12:00:261
314269940,0cyclictest0-21swapper/107:55:431
314259944,0cyclictest0-21swapper/011:55:340
314259943,0cyclictest9836-21awk08:25:270
314259943,0cyclictest6076-21awk10:30:240
314259943,0cyclictest3556-21lldpd11:42:480
314259943,0cyclictest3556-21lldpd11:06:490
314259943,0cyclictest3556-21lldpd08:15:180
314259943,0cyclictest3514-21snmpd12:25:180
314259943,0cyclictest24059-21awk09:00:260
314259943,0cyclictest14856-21grep08:05:230
314259943,0cyclictest14754-21awk12:00:250
29725040,0irq/27-eth0-tx-12751-21telnet07:15:240
29725040,0irq/27-eth0-tx-12751-21telnet07:15:240
29725040,0irq/27-eth0-tx-0-21swapper/212:30:122
29725040,0irq/27-eth0-tx-0-21swapper/212:10:552
29725040,0irq/27-eth0-tx-0-21swapper/212:00:222
29725040,0irq/27-eth0-tx-0-21swapper/211:50:322
29725040,0irq/27-eth0-tx-0-21swapper/211:45:222
29725040,0irq/27-eth0-tx-0-21swapper/210:15:512
29725040,0irq/27-eth0-tx-0-21swapper/210:10:352
29725040,0irq/27-eth0-tx-0-21swapper/209:45:172
29725040,0irq/27-eth0-tx-0-21swapper/209:35:122
29725040,0irq/27-eth0-tx-0-21swapper/209:25:292
29725040,0irq/27-eth0-tx-0-21swapper/209:10:382
29715040,0irq/26-eth0-rx-27939-21aten_r1power_cu08:15:213
29715040,0irq/26-eth0-rx-15025-21kthreadcore09:15:283
29715040,0irq/26-eth0-rx-0-21swapper/311:41:083
29715040,0irq/26-eth0-rx-0-21swapper/309:25:133
29715040,0irq/26-eth0-rx-0-21swapper/309:00:223
29715040,0irq/26-eth0-rx-0-21swapper/307:29:483
259940,0migration/28717-21gltestperf08:00:242
259940,0migration/28475-21kthreadcore07:35:272
259940,0migration/26639-21aten_r1power_en11:15:232
259940,0migration/230154-21fschecks_time10:25:242
259940,0migration/223003-21hddtemp_smartct08:35:252
259940,0migration/211213-21latency07:10:292
249940,0watchdog/28420-21kthreadcore08:45:292
249940,0watchdog/27100-21tr09:50:282
249940,0watchdog/227946-21hostname08:15:212
249940,0watchdog/219921-21memory08:05:292
249940,0watchdog/210965-21kthreadcore11:35:282
249940,0watchdog/20-21swapper/210:30:202
249940,0watchdog/20-21swapper/209:40:282
249940,0watchdog/20-21swapper/209:00:252
249940,0watchdog/20-21swapper/208:25:252
179940,0migration/17445-21idleruntime11:15:271
179940,0migration/132048-21kthreadcore09:25:281
179940,0migration/127737-21kthreadcore11:25:281
179940,0migration/120968-21gltestperf07:45:241
179940,0migration/114072-21runrttasks10:58:431
179940,0migration/11376-21irqrtprio07:30:271
169940,0watchdog/120648-21awk11:00:321
169940,0watchdog/119680-21kthreadcore08:55:291
169940,0watchdog/111101-21wc10:30:321
169940,0watchdog/10-21swapper/110:25:161
169940,0watchdog/10-21swapper/109:30:211
169940,0watchdog/10-21swapper/109:20:291
149940,0migration/08244-21kthreadcore10:55:260
149940,0migration/07203-21fschecks_time11:15:260
149940,0migration/0640-21kthreadcore12:30:280
149940,0migration/05890-21sh11:14:050
149940,0migration/04729-21kthreadcore08:45:280
149940,0migration/03442-21irqrtprio08:20:270
149940,0migration/031955-21kthreadcore10:05:290
149940,0migration/02454-21kthreadcore09:25:290
149940,0migration/017284-21kthreadcore12:20:270
149940,0migration/013193-21kthreadcore08:50:280
8215030,0irq/24-0000:00:0-21swapper/207:55:162
314279932,0cyclictest3556-21lldpd07:44:482
314279932,0cyclictest3514-21snmpd08:31:332
314279932,0cyclictest24895-21sensors07:20:322
314279932,0cyclictest12634-21kthreadcore08:50:272
314269932,0cyclictest3556-21lldpd10:40:181
314269932,0cyclictest3556-21lldpd10:05:181
314269932,0cyclictest3241-21irqbalance10:20:191
314269932,0cyclictest29742-21awk08:40:261
314269932,0cyclictest26750-21awk07:25:251
314269932,0cyclictest13525-21wc07:40:111
314269930,0cyclictest0-21swapper/108:21:441
314259933,0cyclictest6309-21kworker/0:009:50:160
314259933,0cyclictest6309-21kworker/0:009:35:220
314259933,0cyclictest492-21kworker/0:108:00:140
314259933,0cyclictest492-21kworker/0:107:50:120
314259933,0cyclictest492-21kworker/0:107:25:140
314259933,0cyclictest492-21kworker/0:107:10:160
314259933,0cyclictest30529-21kworker/0:211:50:170
314259933,0cyclictest30529-21kworker/0:211:35:150
314259933,0cyclictest30529-21kworker/0:210:35:170
314259932,0cyclictest30935-21awk09:45:250
314259932,0cyclictest30529-21kworker/0:210:20:180
314259932,0cyclictest14429-21awk07:40:260
314259932,0cyclictest11721-21sensors09:30:310
29715030,0irq/26-eth0-rx-0-21swapper/308:59:453
29715030,0irq/26-eth0-rx-0-21swapper/308:52:363
29715030,0irq/26-eth0-rx-0-21swapper/308:37:553
29715030,0irq/26-eth0-rx-0-21swapper/308:30:223
29715030,0irq/26-eth0-rx-0-21swapper/308:24:403
29715030,0irq/26-eth0-rx-0-21swapper/308:00:223
29715030,0irq/26-eth0-rx-0-21swapper/307:20:473
179930,0migration/19990-21kthreadcore07:35:281
169930,0watchdog/10-21swapper/108:45:291
169930,0watchdog/10-21swapper/108:15:211
35120,0ktimersoftd/30-21swapper/307:05:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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