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2026-01-21 - 18:57
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 rack3slot6.osadl.org (updated Wed Jan 21, 2026 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1675029714,37sleep00-21swapper/007:09:340
16927999246,33cyclictest500-21snmpd11:03:410
1641529133,46sleep10-21swapper/107:06:301
16927998152,23cyclictest24537-21telnet10:30:260
323582800,6sleep0171rcuc/010:50:340
303632800,9sleep014-21ksoftirqd/012:15:170
16927998039,35cyclictest14-21ksoftirqd/009:10:460
16927997950,16cyclictest500-21snmpd07:45:300
16927997839,22cyclictest14-21ksoftirqd/010:27:010
233872770,7sleep1251rcuc/108:55:311
201092770,10sleep126-21ksoftirqd/107:15:331
16927997740,23cyclictest14-21ksoftirqd/008:06:450
134562760,5sleep126-21ksoftirqd/110:00:001
16927997245,15cyclictest14-21ksoftirqd/008:45:150
16927997241,15cyclictest14-21ksoftirqd/007:50:110
16927997236,31cyclictest8389-21sshd08:14:280
16927997140,15cyclictest14-21ksoftirqd/009:39:330
16927997139,15cyclictest761-21/usr/sbin/munin10:55:230
16927997138,14cyclictest14-21ksoftirqd/008:25:160
16927997043,15cyclictest14-21ksoftirqd/011:15:260
16927996936,28cyclictest14-21ksoftirqd/008:15:310
16927996739,23cyclictest14-21ksoftirqd/012:23:570
1692799673,38cyclictest3129-21diskstats09:30:210
16927996635,25cyclictest14-21ksoftirqd/007:10:250
16927996627,9cyclictest19429-21chrt07:15:170
16927996624,16cyclictest14-21ksoftirqd/012:35:000
1692799655,20cyclictest26132-21apt-get09:05:130
16927996537,23cyclictest500-21snmpd09:03:160
16927996535,24cyclictest14-21ksoftirqd/007:40:060
16927996535,11cyclictest14-21ksoftirqd/008:35:360
16927996526,11cyclictest14-21ksoftirqd/011:35:160
16927996442,16cyclictest14-21ksoftirqd/009:20:180
16927996442,15cyclictest14-21ksoftirqd/011:49:590
16927996437,15cyclictest14-21ksoftirqd/009:50:160
16927996433,25cyclictest14-21ksoftirqd/008:40:310
16931996337,14cyclictest0-21swapper/107:50:121
16927996343,15cyclictest14-21ksoftirqd/012:10:000
16927996338,16cyclictest26249-21apt-get07:35:130
16927996333,24cyclictest14-21ksoftirqd/011:10:100
16927996332,11cyclictest14-21ksoftirqd/011:05:050
16927996332,11cyclictest14-21ksoftirqd/008:50:180
16931996246,9cyclictest26-21ksoftirqd/111:45:141
16927996234,15cyclictest14-21ksoftirqd/007:26:030
1692799623,38cyclictest1487-21fw_packets12:25:200
16927996232,22cyclictest14-21ksoftirqd/010:05:110
16927996231,11cyclictest14-21ksoftirqd/008:00:100
16927996230,11cyclictest14-21ksoftirqd/011:40:360
16927996224,9cyclictest20031-21vmstat10:15:380
16927996138,18cyclictest14-21ksoftirqd/010:10:310
16927996133,19cyclictest14-21ksoftirqd/007:20:350
16927996131,11cyclictest14-21ksoftirqd/008:20:150
16927996130,10cyclictest14-21ksoftirqd/010:35:170
16927996130,10cyclictest14-21ksoftirqd/010:35:170
16927996128,28cyclictest14-21ksoftirqd/012:36:370
16927996124,13cyclictest14-21ksoftirqd/009:00:000
1692799612,36cyclictest1783-21/usr/sbin/munin07:55:350
16927996122,15cyclictest14-21ksoftirqd/012:00:010
16927996033,21cyclictest14-21ksoftirqd/009:45:260
16927996032,23cyclictest14-21ksoftirqd/010:45:160
16927996029,10cyclictest14-21ksoftirqd/012:10:190
1693199599,24cyclictest28180-21apt-get07:40:141
16931995931,19cyclictest448-21dbus-daemon12:05:001
16927995938,15cyclictest0-21swapper/011:25:230
16927995936,16cyclictest14-21ksoftirqd/010:00:010
16927995934,18cyclictest14-21ksoftirqd/007:30:170
16927995933,20cyclictest14-21ksoftirqd/012:00:160
16927995928,11cyclictest14-21ksoftirqd/011:50:290
16927995928,11cyclictest14-21ksoftirqd/009:15:370
16931995843,10cyclictest501-21ntpd07:55:381
1693199584,21cyclictest778-21cron12:29:591
16931995832,20cyclictest448-21dbus-daemon11:40:011
16931995814,14cyclictest0-21swapper/111:20:131
16927995835,17cyclictest14-21ksoftirqd/011:30:360
16927995834,18cyclictest14-21ksoftirqd/010:40:320
16927995821,15cyclictest14-21ksoftirqd/008:35:010
16927995821,13cyclictest14-21ksoftirqd/011:25:010
16927995817,14cyclictest14-21ksoftirqd/009:30:010
16931995734,12cyclictest26-21ksoftirqd/107:20:121
16931995730,16cyclictest36-21kcompactd009:00:121
16927995734,17cyclictest14-21ksoftirqd/010:20:180
16927995734,17cyclictest14-21ksoftirqd/010:20:180
16927995733,17cyclictest14-21ksoftirqd/009:40:160
4222567,10sleep10-21swapper/110:53:381
16931995631,14cyclictest0-21swapper/108:10:121
16931995630,19cyclictest26-21ksoftirqd/110:45:121
16931995629,18cyclictest2400-21date11:00:021
16931995629,16cyclictest26171-21taskset10:35:141
16931995629,16cyclictest26171-21taskset10:35:131
16931995627,21cyclictest26-21ksoftirqd/107:30:141
16931995627,17cyclictest0-21swapper/110:20:131
16931995627,17cyclictest0-21swapper/110:20:121
16931995530,15cyclictest0-21swapper/111:05:231
16927995531,18cyclictest14-21ksoftirqd/010:00:280
16927995531,18cyclictest14-21ksoftirqd/010:00:270
16931995431,17cyclictest29814-21basename09:15:011
16931995430,14cyclictest0-21swapper/107:35:131
16931995430,13cyclictest0-21swapper/110:10:121
16931995327,15cyclictest0-21swapper/109:30:111
16931995326,16cyclictest0-21swapper/112:35:121
16931995325,22cyclictest1-21systemd10:20:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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