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2026-02-26 - 12:28
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 792 highest latencies:
System rack1slot2.osadl.org (updated Thu Feb 26, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2121224028,0sleep20-21swapper/219:14:442
2055223425,0sleep10-21swapper/119:11:391
2130523228,0sleep00-21swapper/019:15:500
2101222925,0sleep30-21swapper/319:12:213
8305060,0irq/26-0000:00:8018-21dump-pmu-power22:16:152
339960,0migration/326134-21unixbench_singl23:56:403
339960,0migration/32574-21sh00:02:003
339960,0migration/318887-21sh22:56:363
339960,0migration/31560-21sh23:45:323
29815060,0irq/29-eth0-tx-29338-21munin-node20:51:320
29815060,0irq/29-eth0-tx-14640-21munin-node19:56:310
29805060,0irq/28-eth0-rx-31710-21port_sshpriv20:26:363
29805060,0irq/28-eth0-rx-0-21swapper/300:21:293
214209960,0cyclictest0-21swapper/122:45:051
179960,0migration/113933-21munin-node20:36:381
149960,0migration/04284-21unixbench-2d23:06:400
8305050,0irq/26-0000:00:21579-21latency_hist19:16:153
35150,0ktimersoftd/30-21swapper/300:41:263
339950,0migration/3978-21cpuspeed_turbos21:16:283
339950,0migration/38985-21kthreadcore20:56:323
339950,0migration/34721-21kthreadcore20:31:313
339950,0migration/332260-21taskset20:51:333
339950,0migration/328282-21kthreadcore21:11:313
339950,0migration/325572-21cpuspeed_turbos19:41:273
339950,0migration/324895-21munin-node21:06:373
339950,0migration/323555-21munin-node23:36:383
339950,0migration/319614-21kthreadcore22:01:343
339950,0migration/319065-21hddtemp_smartct19:36:273
339950,0migration/319045-21gltestperf21:26:273
339950,0migration/318910-21kthreadcore22:21:323
339950,0migration/316019-21fschecks_count00:31:293
339950,0migration/315827-21gltestperf20:41:283
339950,0migration/312055-21fschecks_time20:16:293
339950,0migration/310402-21munin-node20:11:403
329950,0watchdog/36138-21cpu21:56:263
329950,0watchdog/328672-21ssh23:03:183
329950,0watchdog/322540-21perl00:16:273
329950,0watchdog/317808-21ssh23:52:273
329950,0watchdog/316220-21iostat_ios23:16:303
329950,0watchdog/30-21swapper/323:46:353
329950,0watchdog/30-21swapper/321:31:263
29815050,0irq/29-eth0-tx-6371-21munin-node23:11:342
29815050,0irq/29-eth0-tx-6124-21cut23:46:332
29815050,0irq/29-eth0-tx-2923-21kthreadcore21:16:330
29815050,0irq/29-eth0-tx-28877-21ssh23:03:542
29815050,0irq/29-eth0-tx-24570-21kthreadcore21:46:322
29815050,0irq/29-eth0-tx-22829-21ssh23:19:502
29815050,0irq/29-eth0-tx-21862-21munin-node20:01:270
29815050,0irq/29-eth0-tx-21845-21timerandwakeup00:31:412
29815050,0irq/29-eth0-tx-1944-21ssh21:33:082
29815050,0irq/29-eth0-tx-18168-21iostat_ios22:21:312
29815050,0irq/29-eth0-tx-14930-21munin-node20:41:310
29815050,0irq/29-eth0-tx-1404-21irqstats23:26:302
29815050,0irq/29-eth0-tx-10859-21munin-node23:51:292
29815050,0irq/29-eth0-tx-10255-21perl21:21:282
29815050,0irq/29-eth0-tx-0-21swapper/222:56:282
29815050,0irq/29-eth0-tx-0-21swapper/222:05:462
29815050,0irq/29-eth0-tx-0-21swapper/019:36:370
29815050,0irq/29-eth0-tx-0-21swapper/019:35:000
29805050,0irq/28-eth0-rx-31425-21grep20:06:323
29805050,0irq/28-eth0-rx-29584-21kthreadcore22:46:323
29805050,0irq/28-eth0-rx-28320-21kthreadcore22:06:333
29805050,0irq/28-eth0-rx-27215-21kthreadcore00:36:323
29805050,0irq/28-eth0-rx-23939-21tr23:21:273
29805050,0irq/28-eth0-rx-17906-21cut19:56:323
29805050,0irq/28-eth0-rx-16110-21ssh22:19:473
29805050,0irq/28-eth0-rx-13302-21kthreadcore22:36:323
29805050,0irq/28-eth0-rx-11166-21cut21:21:313
29805050,0irq/28-eth0-rx-0-21swapper/323:31:293
29805050,0irq/28-eth0-rx-0-21swapper/323:15:503
29805050,0irq/28-eth0-rx-0-21swapper/322:51:323
29805050,0irq/28-eth0-rx-0-21swapper/322:26:343
29805050,0irq/28-eth0-rx-0-21swapper/322:12:223
29805050,0irq/28-eth0-rx-0-21swapper/321:41:223
29805050,0irq/28-eth0-rx-0-21swapper/321:36:323
29805050,0irq/28-eth0-rx-0-21swapper/300:14:103
27150,0ktimersoftd/20-21swapper/200:39:592
259950,0migration/29844-21munin-node22:16:312
259950,0migration/227654-21kthreadcore22:06:332
259950,0migration/224372-21fschecks_time23:21:282
259950,0migration/222147-21kthreadcore23:56:322
259950,0migration/220388-21sh00:13:182
259950,0migration/218282-21aten_r1power_vo21:26:262
259950,0migration/21454-21kthreadcore00:01:352
259950,0migration/211069-21sh22:52:232
259950,0migration/210088-21kthreadcore00:26:332
214289950,0cyclictest0-21swapper/200:25:592
214209955,0cyclictest0-21swapper/123:48:181
214209955,0cyclictest0-21swapper/123:22:081
214209955,0cyclictest0-21swapper/100:13:501
214209950,0cyclictest0-21swapper/123:09:021
214209950,0cyclictest0-21swapper/122:33:061
214209950,0cyclictest0-21swapper/121:48:381
214209950,0cyclictest0-21swapper/100:27:431
214199955,0cyclictest0-21swapper/023:47:570
214199955,0cyclictest0-21swapper/023:18:470
214199955,0cyclictest0-21swapper/022:11:000
214199955,0cyclictest0-21swapper/022:02:570
214199954,0cyclictest25289-21munin-node19:41:280
214199950,0cyclictest0-21swapper/023:24:370
214199950,0cyclictest0-21swapper/000:30:030
19150,0ktimersoftd/10-21swapper/100:39:591
179950,0migration/19927-21sh21:36:371
179950,0migration/16165-21munin-node19:46:341
179950,0migration/15925-21kthreadcore22:51:321
179950,0migration/130274-21kthreadcore22:46:321
179950,0migration/127062-21aten_r1power_en21:31:261
179950,0migration/125766-21cpu22:26:281
179950,0migration/124196-21kthreadcore00:16:301
179950,0migration/122879-21sh22:05:521
179950,0migration/121474-21taskset19:59:351
179950,0migration/119905-21kthreadcore23:36:331
179950,0migration/116788-21latency_hist22:21:151
149950,0migration/07868-21taskset23:29:590
149950,0migration/07065-21kthreadcore20:56:320
149950,0migration/06807-21df_inode23:11:280
149950,0migration/06128-21kthreadcore22:51:320
149950,0migration/05936-21kthreadcore22:31:330
149950,0migration/04128-21fschecks_count19:26:280
149950,0migration/027978-21kthreadcore21:11:310
149950,0migration/026873-21sh22:44:270
149950,0migration/026826-21kthreadcore20:46:330
149950,0migration/02377-21munin-node19:21:330
149950,0migration/022858-21irqcore19:16:310
149950,0migration/022831-21taskset00:33:460
149950,0migration/022052-21idleruntime21:46:290
149950,0migration/021477-21kthreadcore23:56:310
149950,0migration/019953-21ksmtuned00:12:050
149950,0migration/014472-21latency_hist19:56:140
149950,0migration/014461-21kthreadcore21:21:320
149950,0migration/014394-21munin-node22:16:350
149950,0migration/01369-21kthreadcore20:06:330
149950,0migration/010916-21sh21:38:100
339940,0migration/39265-21kernelversion20:36:333
339940,0migration/36386-21kthreadcore00:06:333
339940,0migration/322755-21kthreadcore21:46:313
339940,0migration/312663-21kthreadcore19:31:313
329940,0watchdog/319522-21if_eth1.220:21:303
329940,0watchdog/30-21swapper/319:51:343
29815040,0irq/29-eth0-tx-24184-21kthreadcore22:41:332
29815040,0irq/29-eth0-tx-10480-21strings00:06:352
29815040,0irq/29-eth0-tx-0-21swapper/223:36:262
29815040,0irq/29-eth0-tx-0-21swapper/223:31:232
29815040,0irq/29-eth0-tx-0-21swapper/223:06:242
29815040,0irq/29-eth0-tx-0-21swapper/222:32:062
29815040,0irq/29-eth0-tx-0-21swapper/221:56:272
29815040,0irq/29-eth0-tx-0-21swapper/221:51:252
29815040,0irq/29-eth0-tx-0-21swapper/221:36:282
29815040,0irq/29-eth0-tx-0-21swapper/200:41:272
29815040,0irq/29-eth0-tx-0-21swapper/200:16:512
29815040,0irq/29-eth0-tx-0-21swapper/020:36:370
29805040,0irq/28-eth0-rx-0-21swapper/323:26:443
29805040,0irq/28-eth0-rx-0-21swapper/323:06:183
29805040,0irq/28-eth0-rx-0-21swapper/322:42:123
29805040,0irq/28-eth0-rx-0-21swapper/322:32:423
29805040,0irq/28-eth0-rx-0-21swapper/321:51:263
29805040,0irq/28-eth0-rx-0-21swapper/300:26:323
259940,0migration/27981-21cpuspeed_turbos20:36:282
259940,0migration/26119-21kthreadcore20:56:322
259940,0migration/23549-21kthreadcore19:46:312
259940,0migration/231854-21munin-node19:41:402
259940,0migration/230864-21irqrtprio20:51:322
259940,0migration/230628-21kthreadcore23:41:322
259940,0migration/22834-21kthreadcore21:16:332
259940,0migration/227942-21kthreadcore22:26:332
259940,0migration/223313-21munin-node20:46:312
259940,0migration/219605-21gltestperf21:06:292
259940,0migration/216869-21kthreadcore19:56:312
259940,0migration/214393-21kthreadcore22:36:322
259940,0migration/212250-21munin-node20:16:302
249940,0watchdog/20-21swapper/221:11:342
214289943,0cyclictest3571-21lldpd21:02:162
214289943,0cyclictest3571-21lldpd20:28:152
214289943,0cyclictest3571-21lldpd20:22:152
214289943,0cyclictest3571-21lldpd20:06:142
214289943,0cyclictest3571-21lldpd19:51:152
214289943,0cyclictest3571-21lldpd19:21:442
214289943,0cyclictest3571-21lldpd19:17:152
214289943,0cyclictest3524-21snmpd20:41:272
214289943,0cyclictest19185-21awk19:36:292
214289943,0cyclictest1451-21awk20:31:292
214289943,0cyclictest13425-21awk21:41:282
214289942,0cyclictest28914-21awk22:46:302
214209944,0cyclictest0-21swapper/123:26:511
214209944,0cyclictest0-21swapper/121:24:311
214209943,0cyclictest5572-21awk00:06:311
214209943,0cyclictest5274-21awk20:56:301
214209943,0cyclictest3571-21lldpd00:01:191
214209943,0cyclictest3524-21snmpd23:51:311
214209943,0cyclictest3524-21snmpd20:30:421
214209943,0cyclictest28856-21sadc20:06:141
214209943,0cyclictest26928-21awk23:41:291
214209943,0cyclictest23974-21grep22:06:291
214209943,0cyclictest19192-21awk21:26:291
214209943,0cyclictest1481-21awk20:31:291
214209940,0cyclictest0-21swapper/120:14:021
214199944,0cyclictest0-21swapper/022:37:380
214199944,0cyclictest0-21swapper/021:51:360
214199943,0cyclictest7133-21awk21:56:300
214199943,0cyclictest3524-21snmpd22:16:140
179940,0migration/17611-21kthreadcore21:56:311
179940,0migration/13771-21kthreadcore00:21:341
179940,0migration/130408-21fschecks_time21:51:261
179940,0migration/130169-21fschecks_time20:51:291
179940,0migration/128982-21kthreadcore19:41:321
179940,0migration/125631-21kthreadcore23:01:341
179940,0migration/125244-21kthreadcore19:16:321
179940,0migration/122759-21kthreadcore23:56:321
179940,0migration/120398-21kthreadcore20:21:311
179940,0migration/120360-21taskset22:59:091
179940,0migration/120276-21kthreadcore22:21:331
179940,0migration/119921-21irqcore21:06:321
179940,0migration/115575-21fschecks_time20:41:281
179940,0migration/114203-21kthreadcore22:36:321
179940,0migration/112297-21fschecks_time21:01:291
179940,0migration/112007-21kthreadcore23:11:331
169940,0watchdog/16339-21ssh22:11:421
169940,0watchdog/126060-21munin-node21:11:261
169940,0watchdog/114276-21kthreadcore21:41:301
169940,0watchdog/113369-21netstat19:51:341
169940,0watchdog/10-21swapper/123:31:391
149940,0migration/031629-21kthreadcore21:31:330
149940,0migration/031174-21kthreadcore00:01:350
149940,0migration/030736-21runrttasks00:36:470
149940,0migration/027632-21kthreadcore23:41:310
149940,0migration/021624-21kthreadcore22:21:330
149940,0migration/015275-21kthreadcore22:56:330
149940,0migration/011970-21fschecks_time20:16:290
149940,0migration/01017-21kthreadcore22:46:330
329930,0watchdog/30-21swapper/320:46:263
329930,0watchdog/30-21swapper/320:01:183
329930,0watchdog/30-21swapper/319:46:263
329930,0watchdog/30-21swapper/319:26:263
29805030,0irq/28-eth0-rx-0-21swapper/321:01:343
29805030,0irq/28-eth0-rx-0-21swapper/319:21:253
249930,0watchdog/29923-21seq19:26:382
214289932,0cyclictest4990-21awk20:11:302
214289932,0cyclictest3571-21lldpd20:07:142
214289930,0cyclictest0-21swapper/219:31:192
214209932,0cyclictest3571-21lldpd00:34:201
214209932,0cyclictest27391-21cut20:46:331
214209932,0cyclictest12266-21awk20:16:311
214209932,0cyclictest11942-21awk19:31:291
214209930,0cyclictest29571-21perl19:21:271
214209930,0cyclictest1863-21kthreadcore20:06:331
214199933,0cyclictest9665-21awk23:31:310
214199933,0cyclictest0-21swapper/023:36:170
214199932,0cyclictest6701-21python20:31:360
214199932,0cyclictest5523-21awk00:06:310
214199932,0cyclictest3524-21snmpd00:41:170
214199932,0cyclictest26664-21awk22:26:310
214199932,0cyclictest22802-21awk00:16:280
214199932,0cyclictest22350-21munin-node23:01:290
214199932,0cyclictest19741-21awk21:06:300
214199932,0cyclictest19485-21awk20:21:300
214199932,0cyclictest16731-21grep21:01:340
214199930,0cyclictest32513-21munin-node19:46:350
214199930,0cyclictest169492chrt23:51:360
214199930,0cyclictest0-21swapper/020:26:260
214199930,0cyclictest0-21swapper/020:11:270
179930,0migration/124876-21runrttasks19:39:151
169930,0watchdog/10-21swapper/123:17:261
169930,0watchdog/10-21swapper/121:16:341
169930,0watchdog/10-21swapper/100:41:351
149930,0migration/025832-21runrttasks21:29:100
214209921,0cyclictest3637-21latency_hist19:26:141
214199921,0cyclictest30317-21ls00:21:160
214199921,0cyclictest0-21swapper/021:41:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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