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2026-01-21 - 12:47
[ 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 Wed Jan 21, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18709991352,97cyclictest29824-21apt-get23:04:001
186999911658,9cyclictest16057-21switchtime22:39:190
186999911658,9cyclictest16057-21switchtime22:39:190
18709991133,87cyclictest14356-21apt-get21:43:591
186999911354,15cyclictest298-21in:imuxsock19:43:440
186999911354,15cyclictest298-21in:imuxsock19:43:440
187099910630,44cyclictest0-21swapper/122:49:131
18709991053,90cyclictest30599-21cat23:58:471
18709991053,90cyclictest30599-21cat23:58:471
2607021040,6sleep10-21swapper/122:56:421
2607021040,6sleep10-21swapper/122:56:421
187099910433,41cyclictest0-21swapper/121:23:441
187149910051,42cyclictest3067-21ssh21:24:072
18709999922,70cyclictest19528-21taskset00:34:001
18714999836,9cyclictest0-21swapper/200:24:002
18714999828,9cyclictest0-21swapper/223:09:082
226082970,7sleep30-21swapper/322:50:193
18714999744,43cyclictest0-21swapper/220:13:472
1775929711,60sleep017764-21ntpq19:04:240
18714999541,47cyclictest0-21swapper/219:09:152
18714999541,47cyclictest0-21swapper/219:09:152
18714999536,51cyclictest0-21swapper/221:19:182
18709999550,38cyclictest352-21runrttasks00:24:201
18714999446,40cyclictest0-21swapper/220:08:442
18714999335,7cyclictest0-21swapper/222:54:162
18714999335,7cyclictest0-21swapper/222:54:162
1871499933,21cyclictest241372/usr/sbin/munin19:23:592
1871499925,30cyclictest4038-21timerandwakeup19:59:192
18714999241,44cyclictest0-21swapper/219:44:192
1871499923,34cyclictest30009-21grep22:09:062
184322926,16sleep20-21swapper/219:07:242
18714999144,42cyclictest18688-21cyclictest00:34:312
1871499913,40cyclictest13935-21cat20:29:182
18709999150,36cyclictest18688-21cyclictest21:49:141
18709999144,40cyclictest0-21swapper/120:23:541
1870999913,56cyclictest1605-21apt-get19:54:011
1870999913,56cyclictest1605-21apt-get19:54:011
18699999170,14cyclictest29348-21sh21:14:040
18714999045,38cyclictest30852-21/usr/sbin/munin23:04:462
18714999033,16cyclictest365-21ntpd22:39:132
18714999033,16cyclictest365-21ntpd22:39:132
18714999029,10cyclictest0-21swapper/223:24:052
18714999025,10cyclictest0-21swapper/221:58:472
18714999025,10cyclictest0-21swapper/221:58:472
18714998934,10cyclictest0-21swapper/222:23:552
1871499893,35cyclictest19445-21latency_hist20:48:462
18714998931,10cyclictest0-21swapper/222:14:052
18714998931,10cyclictest0-21swapper/222:14:052
18714998930,11cyclictest0-21swapper/222:34:162
18714998929,13cyclictest0-21swapper/200:09:082
1871499892,22cyclictest1550350latency_hist23:33:462
1871499892,22cyclictest1550350latency_hist23:33:462
1870999893,47cyclictest0-21swapper/121:09:071
1870999893,47cyclictest0-21swapper/121:09:071
1871499883,33cyclictest29212-21fschecks_count19:39:052
1871499883,33cyclictest29212-21fschecks_count19:39:052
18714998833,15cyclictest18688-21cyclictest21:46:532
18714998829,9cyclictest0-21swapper/219:33:472
18714998828,10cyclictest0-21swapper/221:43:462
18714998826,11cyclictest0-21swapper/221:29:112
18714998825,18cyclictest0-21swapper/200:29:052
18699998868,14cyclictest1000-21sh00:03:430
1871499874,35cyclictest10232-21unixbench_multi22:29:202
1871499874,35cyclictest10232-21unixbench_multi22:29:202
18709998747,34cyclictest7472-21ntp_kernel_pll_23:19:131
18709998747,34cyclictest7472-21ntp_kernel_pll_23:19:131
18714998664,16cyclictest29939-21apt-key23:03:462
1871499863,37cyclictest21243-21apt-get20:53:552
18714998633,7cyclictest0-21swapper/222:49:192
1871499863,36cyclictest27144-21runrttasks22:04:082
1871499863,36cyclictest27144-21runrttasks22:04:082
1871499863,34cyclictest18822-21grep21:49:222
1871499863,33cyclictest10252-21ssh21:35:382
1871499863,33cyclictest10252-21ssh21:35:382
18714998630,10cyclictest0-21swapper/221:08:542
18714998630,10cyclictest0-21swapper/221:08:542
18714998625,16cyclictest0-21swapper/223:59:212
18714998622,12cyclictest0-21swapper/222:03:462
1871499854,32cyclictest352-21runrttasks22:20:472
18714998535,7cyclictest0-21swapper/223:44:582
1871499853,43cyclictest4160-21fschecks_time23:14:052
1871499853,36cyclictest6879-21apt-get23:18:552
1871499853,36cyclictest6879-21apt-get23:18:552
1871499853,35cyclictest25817-21cron21:08:442
1871499853,30cyclictest23054-21fschecks_count20:59:062
18699998565,14cyclictest1374-21gpgv19:53:480
1871499843,33cyclictest8711-21grep20:14:312
1871499843,33cyclictest8711-21grep20:14:312
1871499843,32cyclictest1654-21fschecks_time00:04:072
1871499843,32cyclictest1654-21fschecks_time00:04:072
1871499843,32cyclictest13180-21latency_hist00:23:472
1871499843,28cyclictest23333-21timerandwakeup19:19:172
18714998418,22cyclictest27947-21ps19:34:152
18714998418,22cyclictest27947-21ps19:34:152
18699998462,16cyclictest17571-21latency_hist21:48:460
1871499834,34cyclictest32401-21fschecks_count19:49:052
1871499834,34cyclictest32401-21fschecks_count19:49:052
1871499834,31cyclictest11900-21if_err_eth020:24:222
1871499833,33cyclictest25047-21fschecks_count23:49:062
1871499833,32cyclictest16274-21latency_hist20:38:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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