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2026-02-23 - 15:37
[ 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 Mon Feb 23, 2026 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320319911828,80cyclictest0-21swapper/010:11:340
31193211825,72sleep30-21swapper/307:02:163
31193211825,72sleep30-21swapper/307:02:163
32031991154,34cyclictest22710-21/usr/sbin/munin11:22:060
32031991126,28cyclictest19209-21modprobe12:01:520
32031991113,32cyclictest352-21runrttasks12:08:280
32031991062,31cyclictest28304-21seq09:41:550
32031991053,25cyclictest13021-21fschecks_count09:16:540
320319910516,10cyclictest0-21swapper/008:11:530
32031991043,29cyclictest28292-21latency_hist10:36:340
32031991043,29cyclictest28292-21latency_hist10:36:340
2958921040,7sleep10-21swapper/110:37:101
2958921040,7sleep10-21swapper/110:37:101
32031991034,31cyclictest23733-21sh09:34:050
32031991034,31cyclictest23733-21sh09:34:050
320319910339,57cyclictest0-21swapper/011:33:490
320319910339,57cyclictest0-21swapper/011:33:490
32031991033,36cyclictest6059-21unixbench_singl10:52:110
32031991032,36cyclictest2288-21sshd07:12:020
3178221036,16sleep00-21swapper/007:05:180
3178221036,16sleep00-21swapper/007:05:180
320319910238,46cyclictest181rcu_preempt10:31:330
32031991023,35cyclictest30871-21latency_hist12:21:330
32031991023,33cyclictest10345-21fschecks_count07:36:540
32031991023,33cyclictest10345-21fschecks_count07:36:540
32031991023,25cyclictest4594-21sed09:56:360
3179321026,16sleep10-21swapper/107:05:271
3179321026,16sleep10-21swapper/107:05:271
32031991014,32cyclictest32189-21/usr/sbin/munin07:06:550
32031991013,35cyclictest16472-21latency_hist07:56:340
32031991013,34cyclictest4369-21latency_hist12:31:330
32031991013,32cyclictest7108-21fschecks_time07:26:530
320319910128,9cyclictest0-21swapper/010:36:540
320319910128,9cyclictest0-21swapper/010:36:540
320319910114,23cyclictest4994-21grep07:21:340
320409910069,8cyclictest181rcu_preempt10:51:522
32031991003,33cyclictest8203-21cut10:56:520
32031991003,33cyclictest20150-21ssh11:16:520
32031991003,33cyclictest19864-21fschecks_time10:21:540
32031991003,33cyclictest19864-21fschecks_time10:21:540
32031991003,32cyclictest7897-21ssh10:01:540
32031991003,19cyclictest4657-21apt-get09:57:000
32031991002,30cyclictest2679-21timerandwakeup08:52:070
3203199994,33cyclictest14969-21sed11:07:090
3203199994,33cyclictest14969-21sed11:07:090
3203199994,32cyclictest352-21runrttasks09:41:240
3203199993,35cyclictest5185-21/usr/sbin/munin12:32:030
3203199993,32cyclictest26082-21latency_hist08:26:340
3203199993,30cyclictest9569-21latency_hist09:11:340
3203199993,29cyclictest0-21swapper/011:46:440
32031999924,11cyclictest0-21swapper/011:52:050
3203199983,32cyclictest4428-21irqstats11:36:550
3203199983,31cyclictest15907-21/usr/sbin/munin11:56:470
3203199983,30cyclictest8752-21fschecks_time07:31:540
3203199983,30cyclictest8752-21fschecks_time07:31:540
3203199983,23cyclictest9584-21chrt11:46:200
3203199982,40cyclictest31287-21sort08:41:520
3203199982,33cyclictest662-21ls08:46:570
3203199982,33cyclictest200-21systemd-journal12:23:090
3203199982,33cyclictest200-21systemd-journal12:23:090
3203199982,32cyclictest4862-21sh09:01:300
32035999774,16cyclictest32020-21cyclictest08:01:551
32035999774,16cyclictest32020-21cyclictest08:01:551
32035999765,10cyclictest181rcu_preempt11:56:541
3203199974,31cyclictest13318-21/usr/sbin/munin07:46:550
3203199974,14cyclictest17095-21fschecks_count11:11:530
3203199974,14cyclictest17095-21fschecks_count11:11:530
32031999734,57cyclictest0-21swapper/010:41:540
3203199973,31cyclictest23224-21grep08:16:530
3203199972,31cyclictest13823-21cut10:11:530
32031999723,10cyclictest0-21swapper/012:12:510
32031999723,10cyclictest0-21swapper/012:12:510
3203199963,37cyclictest12534-21latency_hist09:16:330
32031999633,57cyclictest6486-21diskmemload09:21:530
3203199963,34cyclictest5549-21fschecks_count07:22:410
3203199963,34cyclictest21801-21latency_hist09:31:340
3203199963,33cyclictest12312-21processes07:42:040
3203199963,32cyclictest28620-21latency_hist11:31:330
3203199963,29cyclictest5113-21/usr/sbin/munin09:02:010
3203199962,31cyclictest17503-21tail07:57:090
3203199962,28cyclictest28261-21ls08:31:570
3203199962,28cyclictest28261-21ls08:31:570
32035999573,16cyclictest6486-21diskmemload12:31:531
3203199953,33cyclictest26243-21/usr/sbin/munin08:27:070
3203199953,27cyclictest11614-21ps11:02:050
3203199953,25cyclictest18385-21grep08:01:540
3203199953,25cyclictest18385-21grep08:01:540
3203199953,24cyclictest31331-21ssh09:46:560
3203199952,31cyclictest2035-21cpu10:46:470
3203199952,31cyclictest2035-21cpu10:46:470
3203199943,32cyclictest19778-21/usr/sbin/munin08:06:500
3203199943,32cyclictest19778-21/usr/sbin/munin08:06:500
3203199934,36cyclictest17086-21ssh10:17:000
3203199933,36cyclictest29484-21/usr/sbin/munin08:36:550
32040999175,10cyclictest32020-21cyclictest09:28:362
32035999176,9cyclictest19659-21kworker/u17:0-rpciod10:27:061
32035999060,21cyclictest24763-21sh12:11:331
32035998941,9cyclictest181rcu_preempt10:47:431
32035998941,9cyclictest181rcu_preempt10:47:431
32035998936,9cyclictest181rcu_preempt09:31:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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