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2026-02-03 - 21:44
[ 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 the 100 highest latencies:
System rackbslot7.osadl.org (updated Tue Feb 03, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27621991062,78cyclictest10325-21chrt00:03:250
276279910234,12cyclictest0-21swapper/122:15:221
276279910039,9cyclictest0-21swapper/122:03:051
27627999942,49cyclictest0-21swapper/120:18:221
27627999848,44cyclictest0-21swapper/120:57:531
2762799983,35cyclictest3953-21ssh23:53:031
27630999725,30cyclictest3915-21ssh23:52:592
2762799964,31cyclictest8354-21latency_hist21:17:551
27627999630,12cyclictest0-21swapper/100:33:271
27627999630,12cyclictest0-21swapper/100:33:271
2762799962,43cyclictest27053-21fschecks_time20:43:161
27627999541,47cyclictest21703-21idleruntime-cro20:27:521
2762799952,34cyclictest13227-21ssh23:13:251
2762799952,33cyclictest32528-21/usr/sbin/munin21:58:271
2762799952,33cyclictest14625-21sh21:28:061
2762799952,33cyclictest14625-21sh21:28:061
2762799943,38cyclictest1657-21grep19:23:301
27627999429,11cyclictest0-21swapper/121:28:191
27630999329,28cyclictest8985-21/usr/sbin/munin19:48:132
27627999341,46cyclictest27603-21cyclictest00:03:541
2762799933,36cyclictest22667-21grep20:28:271
2762799933,30cyclictest7919-21timerwakeupswit23:58:301
2762799933,30cyclictest7919-21timerwakeupswit23:58:301
2762799932,36cyclictest31950-21fschecks_time20:58:161
2762799932,36cyclictest31950-21fschecks_time20:58:161
27630999266,16cyclictest365-21ntpd00:33:242
27630999266,16cyclictest365-21ntpd00:33:242
27630999227,27cyclictest31028-21seq20:53:332
2762799924,35cyclictest25103-21latency_hist20:37:551
27627999236,11cyclictest0-21swapper/122:58:101
27627999235,49cyclictest0-21swapper/100:18:081
2762799923,33cyclictest30610-21unixbench_singl21:53:311
2762799923,33cyclictest30610-21unixbench_singl21:53:311
2762799923,32cyclictest31801-21/usr/sbin/munin19:18:141
27627999228,11cyclictest0-21swapper/123:08:171
27627999174,11cyclictest8887-21fschecks_time21:18:151
27627999174,11cyclictest8887-21fschecks_time21:18:151
2762799916,37cyclictest31133-21unixbench_multi22:48:291
2762799914,32cyclictest13148-21/usr/sbin/munin00:08:261
2762799913,36cyclictest6249-21/usr/sbin/munin22:08:161
2762799913,36cyclictest6249-21/usr/sbin/munin22:08:161
2762799913,36cyclictest28155-21fschecks_count19:08:331
2762799913,33cyclictest23559-21/usr/sbin/munin21:43:211
2762799913,33cyclictest23559-21/usr/sbin/munin21:43:211
2762799913,32cyclictest27868-21seq23:38:161
2762799913,32cyclictest13646-21/usr/sbin/munin20:03:111
27627999130,8cyclictest0-21swapper/123:35:351
27627999127,11cyclictest0-21swapper/121:48:131
2762799912,32cyclictest15855-21fschecks_time23:18:141
2762799912,32cyclictest15855-21fschecks_time23:18:141
27627999121,13cyclictest0-21swapper/119:32:551
261992918,56sleep226200-21diskstats19:03:182
27630999025,27cyclictest29667-21seq20:51:422
27630999025,22cyclictest2076-21seq19:27:442
27630999021,41cyclictest0-21swapper/222:57:552
27630999021,41cyclictest0-21swapper/222:57:552
27630999021,27cyclictest0-21swapper/219:29:332
27630999020,34cyclictest24433-21wc20:33:292
27627999058,11cyclictest2169-21latency_hist21:07:561
27627999056,11cyclictest1903-21kworker/u19:2-rpciod19:52:531
2762799904,32cyclictest7133-21needreboot23:03:171
2762799904,32cyclictest7133-21needreboot23:03:171
2762799903,35cyclictest2130-21sh23:48:381
2762799903,34cyclictest29890-21latency_hist22:47:551
2762799903,34cyclictest12060-21cpu19:58:091
2762799903,33cyclictest3404-21ssh21:08:291
2762799903,33cyclictest3404-21ssh21:08:291
2762799903,32cyclictest11006-21uname19:53:261
2762799903,31cyclictest27968-21latency_hist00:32:551
2762799903,30cyclictest21423-21fschecks_count22:33:141
27627999032,8cyclictest0-21swapper/119:33:261
27627999032,8cyclictest0-21swapper/119:33:261
2762799902,37cyclictest17905-21timerandwakeup20:13:301
2762799902,37cyclictest17905-21timerandwakeup20:13:301
2762799902,34cyclictest16396-21fschecks_count00:13:151
2762799902,34cyclictest16396-21fschecks_count00:13:151
27627999017,13cyclictest0-21swapper/123:28:081
27621999064,16cyclictest27603-21cyclictest00:11:450
27621999045,11cyclictest181rcu_preempt22:37:320
27630998967,16cyclictest32767-21fschecks_count21:58:142
27627998935,8cyclictest0-21swapper/122:28:281
27627998935,8cyclictest0-21swapper/122:28:281
2762799893,35cyclictest15197-21/usr/sbin/munin22:23:181
2762799893,31cyclictest25438-21fschecks_time20:38:161
27627998931,9cyclictest0-21swapper/119:13:191
2762799892,34cyclictest6434-21timerwakeupswit19:38:281
2762799892,34cyclictest6434-21timerwakeupswit19:38:281
27630998820,36cyclictest352-21runrttasks19:17:172
2762799883,42cyclictest21424-21switchtime21:38:261
2762799883,34cyclictest374-21sshd00:23:181
2762799883,34cyclictest374-21sshd00:23:181
2762799883,34cyclictest24877-21wc22:38:261
2762799883,32cyclictest30447-21/usr/sbin/munin23:43:171
2762799883,32cyclictest30447-21/usr/sbin/munin23:43:171
2762799883,31cyclictest12237-21/usr/sbin/munin22:18:211
2762799883,31cyclictest12237-21/usr/sbin/munin22:18:211
27630998727,25cyclictest22310-21df_inode00:23:142
27630998727,25cyclictest22310-21df_inode00:23:142
27627998767,10cyclictest0-21swapper/123:24:351
2762799873,33cyclictest618-21/usr/sbin/munin22:53:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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