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2026-02-21 - 06:20
[ 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 100 highest latencies:
System rack1slot2.osadl.org (updated Sat Feb 21, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191790,0ktimersoftd/127785-21perf19:15:401
232126362,0sleep00-21swapper/019:13:540
240924326,0sleep20-21swapper/219:14:562
213023026,0sleep30-21swapper/319:11:413
339960,0migration/38366-21missed_timers21:46:093
339960,0migration/37719-21fschecks_time21:11:033
329960,0watchdog/317358-21ssh00:03:583
29805060,0irq/28-eth0-rx-18294-21grep22:51:033
29805060,0irq/28-eth0-rx-18261-21python00:21:123
149960,0migration/04490-21kthreadcore23:36:090
149960,0migration/021314-21fschecks_time00:26:050
149960,0migration/012224-21unixbench_singl00:36:170
8305050,0irq/26-0000:00:12139-21if_eth121:51:052
4150,0ktimersoftd/00-21swapper/000:30:510
35150,0ktimersoftd/30-21swapper/322:18:283
339950,0migration/36655-21kthreadcore00:16:083
339950,0migration/3599-21irqrtprio19:36:063
339950,0migration/35476-21kthreadcore23:01:083
339950,0migration/3524-21cpuspeed_turbos22:41:023
339950,0migration/329646-21munin-node22:01:063
339950,0migration/32789-21kthreadcore21:26:083
339950,0migration/327176-21fschecks_time22:56:043
339950,0migration/32531-21taskset19:59:173
339950,0migration/321918-21taskset19:51:043
339950,0migration/318401-21munin-node20:11:053
339950,0migration/31739-21fschecks_time23:56:043
339950,0migration/314808-21kthreadcore19:21:083
339950,0migration/312264-21taskset00:36:183
339950,0migration/312167-21fschecks_time23:06:033
329950,0watchdog/35024-21ssh23:20:583
329950,0watchdog/316684-21sh22:48:373
29815050,0irq/29-eth0-tx-8773-21chrt22:45:422
29815050,0irq/29-eth0-tx-7665-21cut23:01:092
29815050,0irq/29-eth0-tx-6536-21munin-node19:41:050
29815050,0irq/29-eth0-tx-31814-21munin-node20:21:010
29815050,0irq/29-eth0-tx-29646-21diskstats00:31:022
29815050,0irq/29-eth0-tx-27554-21kthreadcore23:51:082
29815050,0irq/29-eth0-tx-22891-21munin-node21:21:022
29815050,0irq/29-eth0-tx-21770-21ssh21:18:552
29815050,0irq/29-eth0-tx-17959-21cut23:46:082
29815050,0irq/29-eth0-tx-0-21swapper/222:34:212
29815050,0irq/29-eth0-tx-0-21swapper/021:16:110
29815050,0irq/29-eth0-tx-0-21swapper/020:50:300
29815050,0irq/29-eth0-tx-0-21swapper/020:30:260
29815050,0irq/29-eth0-tx-0-21swapper/020:11:020
29805050,0irq/28-eth0-rx-8275-21kthreadcore22:06:083
29805050,0irq/28-eth0-rx-4485-21kthreadcore23:36:093
29805050,0irq/28-eth0-rx-31616-21latency_hist20:20:503
29805050,0irq/28-eth0-rx-31575-21kthreadcore00:11:093
29805050,0irq/28-eth0-rx-30133-21kthreadcore20:41:063
29805050,0irq/28-eth0-rx-24709-21sh23:51:013
29805050,0irq/28-eth0-rx-20436-21grep21:36:083
29805050,0irq/28-eth0-rx-17231-21kthreadcore22:11:073
29805050,0irq/28-eth0-rx-14847-21if_eth123:26:053
29805050,0irq/28-eth0-rx-0-21swapper/323:50:483
29805050,0irq/28-eth0-rx-0-21swapper/323:11:203
29805050,0irq/28-eth0-rx-0-21swapper/322:21:053
29805050,0irq/28-eth0-rx-0-21swapper/321:56:113
29805050,0irq/28-eth0-rx-0-21swapper/321:51:023
29805050,0irq/28-eth0-rx-0-21swapper/321:21:073
29805050,0irq/28-eth0-rx-0-21swapper/321:17:283
29805050,0irq/28-eth0-rx-0-21swapper/300:41:463
29805050,0irq/28-eth0-rx-0-21swapper/300:31:063
2674250,0sleep02792-21latency_hist20:00:490
25709955,0cyclictest0-21swapper/123:13:361
25709955,0cyclictest0-21swapper/122:54:511
25709955,0cyclictest0-21swapper/122:37:491
25709955,0cyclictest0-21swapper/122:14:201
25709955,0cyclictest0-21swapper/100:43:281
25709950,0cyclictest0-21swapper/123:52:331
25699953,0cyclictest3721-21kworker/0:223:23:480
25699953,0cyclictest3721-21kworker/0:223:07:180
25699953,0cyclictest18395-21kworker/0:123:00:180
25699953,0cyclictest18395-21kworker/0:122:46:180
25699953,0cyclictest18395-21kworker/0:122:41:180
25699953,0cyclictest18395-21kworker/0:122:36:180
25699953,0cyclictest18395-21kworker/0:122:31:480
25699953,0cyclictest18395-21kworker/0:122:22:480
25699953,0cyclictest18395-21kworker/0:122:17:480
25699953,0cyclictest18395-21kworker/0:122:11:180
25699953,0cyclictest18395-21kworker/0:122:05:520
25699953,0cyclictest18395-21kworker/0:122:01:480
25699953,0cyclictest18395-21kworker/0:121:56:470
25699953,0cyclictest18395-21kworker/0:121:51:170
25699953,0cyclictest18395-21kworker/0:121:21:470
25699953,0cyclictest14687-21kworker/0:023:55:520
25699953,0cyclictest14687-21kworker/0:023:27:180
25699953,0cyclictest14687-21kworker/0:000:41:480
25699953,0cyclictest14687-21kworker/0:000:06:480
25699953,0cyclictest14687-21kworker/0:000:01:180
25699952,0cyclictest14687-21kworker/0:023:46:180
259950,0migration/213645-21rt-features23:41:112
23489250,0sleep323506-21awk19:26:143
19150,0ktimersoftd/10-21swapper/100:30:511
179950,0migration/19811-21munin-node00:16:161
179950,0migration/17233-21sh22:41:301
179950,0migration/132187-21if_eth1.323:36:061
179950,0migration/13140-21fschecks_time21:46:041
179950,0migration/128922-21fschecks_time19:56:031
179950,0migration/114624-21taskset22:29:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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