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2026-01-26 - 15:44
[ 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 all highest latencies:
System rack1slot2.osadl.org (updated Mon Jan 26, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191630,0ktimersoftd/111400-21perf07:13:331
1161424443,0sleep20-21swapper/207:08:512
1817623622,0sleep00-21swapper/007:09:530
1842523526,0sleep30-21swapper/307:12:493
185819999,0cyclictest305350irq/27-eth110:44:332
65269770,0rudpserv20315-21munin-node08:43:583
8305060,0irq/26-0000:00:17727-21latency_hist09:43:433
65269760,0rudpserv9143-21python09:54:083
65269760,0rudpserv6314-21runrttasks08:29:133
65269760,0rudpserv5710-21perl10:13:573
65269760,0rudpserv29947-21grep08:04:013
65269760,0rudpserv29682-21cut08:49:003
65269760,0rudpserv26540-21kthreadcore10:44:013
65269760,0rudpserv24222-21iostat_ios09:09:013
65269760,0rudpserv23085-21df08:23:573
65269760,0rudpserv20901-21kthreadcore08:19:013
65269760,0rudpserv19024-21crond08:43:433
65269760,0rudpserv17466-21sh09:59:033
65269760,0rudpserv16427-21grep10:38:583
65269760,0rudpserv14410-21perl10:18:573
65269760,0rudpserv1318-21cut08:08:553
65269760,0rudpserv12799-21tr10:54:033
4160,0ktimersoftd/00-21swapper/012:00:330
339960,0migration/38216-21sh10:51:223
339960,0migration/326022-21sh12:17:573
339960,0migration/310837-21kthreadcore07:29:013
329960,0watchdog/327382-21sh10:06:033
30535060,0irq/27-eth14103-21kthreadcore10:49:022
29815060,0irq/29-eth0-tx-29782-21grep09:49:003
29815060,0irq/29-eth0-tx-24278-21munin-node09:29:103
29805060,0irq/28-eth0-rx-9086-21kthreadcore11:49:003
29805060,0irq/28-eth0-rx-8964-21ntpq12:24:053
29805060,0irq/28-eth0-rx-31227-21grep12:19:013
29805060,0irq/28-eth0-rx-25147-21cut11:39:023
185779965,0cyclictest28423-21grep07:39:021
185769965,0cyclictest30564-21kworker/0:207:23:540
149960,0migration/0504-21kthreadcore07:44:000
149960,0migration/0504-21kthreadcore07:44:000
8305050,0irq/26-0000:00:28396-21crond12:38:442
8305050,0irq/26-0000:00:0-21swapper/309:33:433
65269750,0rudpserv29732-21if_eth010:09:003
65269750,0rudpserv1831-21grep08:53:573
65269750,0rudpserv16968-21ps09:03:583
65269750,0rudpserv10683-21kthreadcore10:34:003
65269750,0rudpserv0-21swapper/310:58:573
65269750,0rudpserv0-21swapper/310:29:013
65269750,0rudpserv0-21swapper/309:18:593
35150,0ktimersoftd/30-21swapper/312:00:333
339950,0migration/39154-21fschecks_time08:13:583
339950,0migration/37649-21kthreadcore11:29:013
339950,0migration/330219-21latency_hist09:13:433
339950,0migration/316677-21munin-node09:23:593
339950,0migration/31436-21fschecks_time12:03:573
339950,0migration/313759-21aten_r1power_fr11:33:563
339950,0migration/312999-21munin-node07:54:003
329950,0watchdog/35259-21fschecks_time07:48:583
30535050,0irq/27-eth19702-21cut08:34:012
30535050,0irq/27-eth19248-21ssh09:38:502
30535050,0irq/27-eth17977-21fschecks_time10:33:552
30535050,0irq/27-eth15333-21entropy10:13:562
30535050,0irq/27-eth131115-21perl09:13:572
30535050,0irq/27-eth130336-21sed08:28:552
30535050,0irq/27-eth129316-21fschecks_time10:08:582
30535050,0irq/27-eth129169-21kthreadcore08:48:592
30535050,0irq/27-eth126488-21aten_r1power_cu09:48:532
30535050,0irq/27-eth126132-21sort08:03:442
30535050,0irq/27-eth123089-21grep10:23:592
30535050,0irq/27-eth122987-21cpuspeed_turbos08:23:572
30535050,0irq/27-eth12219-21iostat08:08:592
30535050,0irq/27-eth120134-21munin-node10:03:562
30535050,0irq/27-eth119030-21latency_hist08:43:432
30535050,0irq/27-eth118670-21fschecks_time09:43:572
30535050,0irq/27-eth11745-21irqcore09:34:012
30535050,0irq/27-eth116779-21interrupts09:24:002
30535050,0irq/27-eth11672-21diskstats08:53:562
30535050,0irq/27-eth116350-21fschecks_count09:03:552
30535050,0irq/27-eth115642-21sed10:38:442
30535050,0irq/27-eth114805-21iostat10:19:002
30535050,0irq/27-eth112639-21tr09:19:032
30535050,0irq/27-eth112484-21diskstats08:38:582
30535050,0irq/27-eth112116-21fschecks_time09:58:562
30535050,0irq/27-eth111711-21kthreadcore08:14:022
30535050,0irq/27-eth110023-21fschecks_time10:53:592
30535050,0irq/27-eth10-21swapper/210:28:572
29815050,0irq/29-eth0-tx-20072-21munin-node11:18:582
29815050,0irq/29-eth0-tx-19012-21munin-node07:58:552
29815050,0irq/29-eth0-tx-18372-21df_abs12:13:562
29815050,0irq/29-eth0-tx-15827-21munin-node11:54:032
29815050,0irq/29-eth0-tx-10615-21ssh12:27:122
29815050,0irq/29-eth0-tx-0-21swapper/212:41:132
29815050,0irq/29-eth0-tx-0-21swapper/212:09:052
29805050,0irq/28-eth0-rx-9716-21fschecks_count09:38:563
29805050,0irq/28-eth0-rx-6128-21ssh11:46:373
29805050,0irq/28-eth0-rx-22630-21diskstats10:23:583
29805050,0irq/28-eth0-rx-16161-21ssh12:09:243
29805050,0irq/28-eth0-rx-0-21swapper/312:40:503
29805050,0irq/28-eth0-rx-0-21swapper/312:35:073
29805050,0irq/28-eth0-rx-0-21swapper/312:32:543
29805050,0irq/28-eth0-rx-0-21swapper/311:27:093
29805050,0irq/28-eth0-rx-0-21swapper/311:20:123
29805050,0irq/28-eth0-rx-0-21swapper/311:09:003
29805050,0irq/28-eth0-rx-0-21swapper/311:04:003
29805050,0irq/28-eth0-rx-0-21swapper/308:59:013
29805050,0irq/28-eth0-rx-0-21swapper/307:14:003
27150,0ktimersoftd/20-21swapper/212:00:332
259950,0migration/29149-21fschecks_count08:58:572
259950,0migration/27707-21fschecks_count11:48:562
259950,0migration/2508-21switchtime11:04:122
259950,0migration/22665-21sh09:53:492
259950,0migration/225863-21kernelversion09:29:022
259950,0migration/22428-21kthreadcore12:04:012
259950,0migration/223912-21fschecks_time09:08:582
259950,0migration/215793-21munin-node08:18:552
259950,0migration/214513-21kthreadcore07:54:022
259950,0migration/211020-21taskset11:13:122
249950,0watchdog/217888-21munin-node10:58:552
19150,0ktimersoftd/10-21swapper/112:00:331
185819953,0cyclictest3524-21snmpd11:17:022
185779955,0cyclictest0-21swapper/109:21:491
185779954,0cyclictest3571-21lldpd10:06:291
185779950,0cyclictest0-21swapper/112:34:291
185779950,0cyclictest0-21swapper/111:40:151
185779950,0cyclictest0-21swapper/110:59:341
185779950,0cyclictest0-21swapper/110:51:131
185779950,0cyclictest0-21swapper/110:02:111
185779950,0cyclictest0-21swapper/109:31:361
185769955,0cyclictest8087-21kworker/0:110:02:070
185769955,0cyclictest8087-21kworker/0:109:49:070
185769955,0cyclictest31281-21kworker/0:212:03:450
185769955,0cyclictest31281-21kworker/0:211:53:450
185769955,0cyclictest31281-21kworker/0:211:48:450
185769955,0cyclictest31281-21kworker/0:211:43:450
185769955,0cyclictest31281-21kworker/0:211:38:550
185769955,0cyclictest31281-21kworker/0:211:33:450
185769955,0cyclictest31281-21kworker/0:211:28:490
185769955,0cyclictest31281-21kworker/0:211:23:510
185769955,0cyclictest31281-21kworker/0:211:18:590
185769955,0cyclictest31281-21kworker/0:211:13:450
185769955,0cyclictest31281-21kworker/0:211:08:490
185769955,0cyclictest31281-21kworker/0:211:03:510
185769955,0cyclictest30564-21kworker/0:208:34:010
185769955,0cyclictest30564-21kworker/0:207:58:440
185769955,0cyclictest30564-21kworker/0:207:53:580
185769955,0cyclictest30564-21kworker/0:207:49:480
185769955,0cyclictest30564-21kworker/0:207:38:440
185769955,0cyclictest30564-21kworker/0:207:33:440
185769955,0cyclictest30564-21kworker/0:207:28:440
185769955,0cyclictest30564-21kworker/0:207:14:000
185769955,0cyclictest28551-21kworker/0:010:37:010
185769955,0cyclictest28551-21kworker/0:010:28:570
185769955,0cyclictest1622-21kworker/0:012:38:490
185769955,0cyclictest1622-21kworker/0:012:29:010
185769955,0cyclictest1622-21kworker/0:012:23:450
185769955,0cyclictest1622-21kworker/0:012:18:530
185769955,0cyclictest1622-21kworker/0:012:13:470
185769955,0cyclictest1622-21kworker/0:012:08:470
185769950,0cyclictest0-21swapper/009:44:330
179950,0migration/132524-21kthreadcore10:29:001
179950,0migration/127944-21kthreadcore08:04:001
179950,0migration/12770-21kthreadcore07:23:581
179950,0migration/125324-21unixbench_singl07:14:071
179950,0migration/124700-21kthreadcore11:19:031
179950,0migration/122569-21taskset09:06:201
179950,0migration/119175-21munin-node07:58:551
179950,0migration/114600-21gltestperf11:33:581
179950,0migration/11006-21taskset11:04:351
169950,0watchdog/125046-21kthreadcore10:24:031
169950,0watchdog/10-21swapper/107:33:581
149950,0migration/08561-21sh09:37:300
149950,0migration/05781-21fschecks_time10:13:570
149950,0migration/05272-21kthreadcore10:49:020
149950,0migration/029049-21munin-node10:08:570
149950,0migration/02820-21kthreadcore09:14:020
149950,0migration/027920-21runrttasks10:07:320
149950,0migration/026858-21fschecks_time07:18:570
149950,0migration/024557-21kthreadcore08:44:010
149950,0migration/022443-21kthreadcore10:58:590
149950,0migration/021389-21irqcore12:34:000
149950,0migration/018877-21kthreadcore10:19:020
149950,0migration/016050-21fschecks_count09:23:570
149950,0migration/013262-21munin-node08:39:010
149950,0migration/010823-21kthreadcore08:59:010
339940,0migration/322907-21sh11:55:153
339940,0migration/319772-21fschecks_time07:58:573
329940,0watchdog/30-21swapper/311:13:593
29815040,0irq/29-eth0-tx-5025-21ssh11:28:492
29815040,0irq/29-eth0-tx-0-21swapper/212:28:542
29815040,0irq/29-eth0-tx-0-21swapper/211:44:002
29815040,0irq/29-eth0-tx-0-21swapper/211:39:022
29815040,0irq/29-eth0-tx-0-21swapper/211:23:582
29805040,0irq/28-eth0-rx-0-21swapper/308:33:553
29805040,0irq/28-eth0-rx-0-21swapper/307:33:593
259940,0migration/24679-21aten_r1power_po07:48:562
259940,0migration/219660-21mdstat11:34:042
259940,0migration/214394-21switchtime07:29:092
249940,0watchdog/2454-21ssh12:19:072
185819943,0cyclictest3524-21snmpd07:38:282
185779944,0cyclictest0-21swapper/111:50:201
185779944,0cyclictest0-21swapper/110:43:581
185779944,0cyclictest0-21swapper/110:19:121
185779944,0cyclictest0-21swapper/110:13:511
185779944,0cyclictest0-21swapper/109:08:441
185779944,0cyclictest0-21swapper/108:54:041
185779943,0cyclictest9284-21awk07:29:001
185779943,0cyclictest5001-21diskstats07:48:581
185779943,0cyclictest3571-21lldpd12:19:311
185779943,0cyclictest3571-21lldpd09:33:591
185779943,0cyclictest3571-21lldpd09:24:591
185779943,0cyclictest3571-21lldpd08:40:281
185779943,0cyclictest3571-21lldpd08:34:281
185779943,0cyclictest3571-21lldpd08:16:281
185779943,0cyclictest12598-21awk12:29:021
185779943,0cyclictest10496-21awk10:54:011
185779942,0cyclictest9670-21awk08:58:591
185769944,0cyclictest8087-21kworker/0:110:24:030
185769944,0cyclictest8087-21kworker/0:109:54:530
185769944,0cyclictest8087-21kworker/0:109:29:010
185769944,0cyclictest30564-21kworker/0:208:53:590
185769944,0cyclictest28551-21kworker/0:010:54:010
185769944,0cyclictest28551-21kworker/0:010:43:590
185769944,0cyclictest28551-21kworker/0:010:38:510
185769943,0cyclictest3250-21irqbalance08:19:000
185769943,0cyclictest3250-21irqbalance08:13:500
185769943,0cyclictest3250-21irqbalance08:09:000
185769943,0cyclictest3250-21irqbalance08:03:500
185769943,0cyclictest31014-21awk08:28:570
185769943,0cyclictest30564-21kworker/0:208:24:450
185769943,0cyclictest10339-21awk09:38:580
179940,0migration/17173-21aten_r1power_en10:33:531
179940,0migration/15121-21sh11:28:551
179940,0migration/131659-21kthreadcore12:39:021
179940,0migration/13106-21latency07:44:011
179940,0migration/13106-21latency07:44:011
179940,0migration/130867-21taskset11:43:501
179940,0migration/129133-21df_abs11:23:591
179940,0migration/128783-21kthreadcore07:19:011
179940,0migration/128713-21aten_r1power_fr10:08:561
179940,0migration/127482-21idleruntime09:48:571
179940,0migration/123167-21kthreadcore08:44:011
179940,0migration/12054-21kthreadcore09:14:021
179940,0migration/118111-21timerandwakeup07:54:101
179940,0migration/117720-21kthreadcore08:19:001
169940,0watchdog/17624-21grep09:54:031
169940,0watchdog/13607-21ntp_offset08:29:021
169940,0watchdog/127683-21iostat08:48:581
169940,0watchdog/125909-21ssh09:47:551
169940,0watchdog/123416-21ssh11:56:431
169940,0watchdog/112297-21tune2fs11:13:591
169940,0watchdog/110446-21ssh09:38:591
149940,0migration/06905-21aten2.4-expect09:18:560
149940,0migration/024912-21kthreadcore09:09:020
149940,0migration/016181-21df_inode09:03:550
339930,0migration/37806-21runrttasks07:28:043
329930,0watchdog/30-21swapper/307:43:543
329930,0watchdog/30-21swapper/307:43:543
29815030,0irq/29-eth0-tx-0-21swapper/207:23:532
29805030,0irq/28-eth0-rx-0-21swapper/307:39:203
29805030,0irq/28-eth0-rx-0-21swapper/307:19:563
185819932,0cyclictest23561-21awk07:38:582
185819932,0cyclictest20002-21tail07:13:582
185819930,0cyclictest29707-21munin-node07:43:542
185819930,0cyclictest29707-21munin-node07:43:542
185819930,0cyclictest26011-21munin-node07:18:552
185779932,0cyclictest3890-21sort11:08:591
185779932,0cyclictest1951-21grep08:08:561
185779932,0cyclictest16898-21awk10:39:001
185779932,0cyclictest14483-21kthreadcore12:09:021
185779930,0cyclictest3583-21perl12:23:591
185769933,0cyclictest30564-21kworker/0:208:48:490
169930,0watchdog/130031-21diskmemload12:13:471
169930,0watchdog/10-21swapper/112:05:551
169930,0watchdog/10-21swapper/108:24:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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