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2026-02-22 - 05:52
[ 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 rackbslot7.osadl.org (updated Sun Feb 22, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2545122240,62sleep239-21ksoftirqd/219:02:102
2545122240,62sleep239-21ksoftirqd/219:02:102
26481991224,89cyclictest26019-21apt-get22:41:552
2775421100,8sleep10-21swapper/123:38:191
26481999863,12cyclictest181rcu_preempt00:21:392
26481999863,12cyclictest181rcu_preempt00:21:392
26469999563,26cyclictest277-21dbus-daemon00:01:380
26476999359,7cyclictest181rcu_preempt00:24:191
26481999248,18cyclictest181rcu_preempt00:32:032
26481999248,18cyclictest181rcu_preempt00:32:032
2631529213,49sleep026352-21munin-run19:06:380
2631529213,49sleep026352-21munin-run19:06:380
26481999162,20cyclictest17395-21latency_hist00:16:402
26481999050,12cyclictest181rcu_preempt20:02:022
26481999050,12cyclictest181rcu_preempt20:02:022
2648199904,64cyclictest16841-21apt-get22:27:062
26476998968,14cyclictest200-21systemd-journal00:19:231
26476998968,14cyclictest200-21systemd-journal00:19:231
26469998916,24cyclictest30795-21ssh21:56:360
26469998916,24cyclictest30795-21ssh21:56:360
26469998913,36cyclictest32551-21proc_pri22:52:100
26481998852,10cyclictest181rcu_preempt19:46:472
26481998840,8cyclictest181rcu_preempt20:17:102
26476998853,8cyclictest181rcu_preempt22:59:391
26469998873,9cyclictest23924-21rm00:27:060
26469998818,39cyclictest0-21swapper/021:02:140
26476998769,12cyclictest26237-21/usr/sbin/munin00:32:101
26476998769,12cyclictest26237-21/usr/sbin/munin00:32:101
26476998746,9cyclictest181rcu_preempt21:27:261
26476998746,9cyclictest181rcu_preempt21:27:261
26476998726,25cyclictest31-21ksoftirqd/122:22:141
26476998713,44cyclictest31-21ksoftirqd/120:46:391
2646999877,45cyclictest22784-21chrt23:31:040
26469998725,33cyclictest0-21swapper/023:34:130
26469998712,26cyclictest28419-21ssh22:46:040
26481998659,13cyclictest0-21swapper/221:21:412
26476998655,19cyclictest352-21runrttasks20:17:041
26469998621,41cyclictest0-21swapper/022:22:510
2515528617,35sleep10-21swapper/119:02:021
2515528617,35sleep10-21swapper/119:02:021
26476998564,7cyclictest181rcu_preempt23:47:111
26469998517,37cyclictest31827-21kworker/u17:0+xprtiod23:08:560
26469998512,36cyclictest19676-21snmpd22:58:540
26481998456,19cyclictest0-21swapper/200:31:372
26481998454,22cyclictest937-21diskmemload22:02:032
26476998464,7cyclictest181rcu_preempt19:47:051
26476998415,41cyclictest31-21ksoftirqd/119:07:121
26476998415,41cyclictest31-21ksoftirqd/119:07:121
26469998468,10cyclictest17181-21ssh00:16:370
26469998414,28cyclictest27514-21ssh23:37:370
26481998349,25cyclictest23138-21sh22:37:022
26481998342,11cyclictest181rcu_preempt21:46:422
26469998315,28cyclictest12243-21ssh22:18:360
26469998314,25cyclictest0-21swapper/023:13:160
26481998252,22cyclictest8933-21fschecks_time00:01:592
26481998252,22cyclictest8933-21fschecks_time00:01:592
26481998239,13cyclictest181rcu_preempt23:02:382
2647699828,42cyclictest31-21ksoftirqd/122:21:391
26476998261,14cyclictest32015-21/usr/sbin/munin21:02:131
26476998258,15cyclictest0-21swapper/122:27:061
26476998252,8cyclictest181rcu_preempt23:58:201
26476998236,18cyclictest181rcu_preempt00:27:221
2647699823,57cyclictest26019-21apt-get22:41:551
2646999828,26cyclictest19732-21load21:37:060
26469998264,11cyclictest5905-21latency_hist19:41:410
26481998150,10cyclictest181rcu_preempt21:51:552
26481998150,10cyclictest181rcu_preempt21:51:552
26481998132,13cyclictest181rcu_preempt21:57:072
2646999819,28cyclictest5221-21/usr/sbin/munin22:07:060
26481998054,13cyclictest0-21swapper/223:56:412
26481998054,13cyclictest0-21swapper/223:56:412
26481998040,19cyclictest181rcu_preempt19:15:112
26481998038,12cyclictest181rcu_preempt21:34:592
2648199802,41cyclictest22409-21ssh22:36:272
2647699808,28cyclictest31-21ksoftirqd/100:06:551
26476998065,9cyclictest20787-21latency23:27:011
26476998060,14cyclictest30052-21sendmail19:16:371
2647699805,51cyclictest31-21ksoftirqd/120:24:241
26476998020,24cyclictest31-21ksoftirqd/123:32:121
26469998012,25cyclictest0-21swapper/020:26:520
26469998012,25cyclictest0-21swapper/020:26:520
26469998011,44cyclictest0-21swapper/021:25:390
26469998010,47cyclictest9958-21kworker/u17:0+rpciod00:22:570
26481997963,10cyclictest16166-21ssh23:19:012
26481997963,10cyclictest16166-21ssh23:19:012
26481997954,19cyclictest23230-21unixbench_singl21:42:152
26481997941,10cyclictest181rcu_preempt20:57:042
26481997941,10cyclictest181rcu_preempt20:57:042
2647699795,32cyclictest31-21ksoftirqd/121:51:551
2647699795,32cyclictest31-21ksoftirqd/121:51:551
26476997940,10cyclictest937-21diskmemload21:59:261
26469997964,9cyclictest26944-21kworker/u18:2-rpciod22:03:030
26469997962,11cyclictest200-21systemd-journal00:21:360
26469997962,11cyclictest200-21systemd-journal00:21:360
26469997918,54cyclictest97852chrt21:21:130
26469997915,28cyclictest833-21ssh22:00:070
26469997913,29cyclictest3675-21ssh21:10:550
26469997912,28cyclictest27466-21ssh00:32:330
26469997912,28cyclictest27466-21ssh00:32:330
26481997845,11cyclictest181rcu_preempt22:46:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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