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2026-02-23 - 20:19
[ 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 50 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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