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2026-03-04 - 15:56
[ 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
Characteristics of the 100 highest latencies:
System rackdslot0.osadl.org (updated Wed Mar 04, 2026 12:45:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2813099230,5cyclictest0-21swapper/009:08:110
2813999200,18cyclictest29528-21grep11:00:012
28134992013,3cyclictest0-21swapper/108:49:131
2813499200,17cyclictest0-21swapper/110:03:211
2813099204,15cyclictest7457-21apache_processe10:20:090
2813099200,5cyclictest0-21swapper/011:00:010
2813999192,2cyclictest1111-21sort10:10:012
28139991914,3cyclictest0-21swapper/210:48:562
2813999191,16cyclictest0-21swapper/212:00:162
2813999190,0cyclictest0-21swapper/208:40:172
2813499194,1cyclictest0-21swapper/112:10:131
2813499193,15cyclictest0-21swapper/111:40:181
2813499192,2cyclictest21099-21timerandwakeup09:45:211
28134991917,1cyclictest0-21swapper/112:26:181
2813499191,1cyclictest0-21swapper/110:44:371
2813099192,3cyclictest0-21swapper/008:05:160
28130991917,1cyclictest29639-21cat10:00:210
2813099190,18cyclictest0-21swapper/007:30:140
2813999182,15cyclictest10985-21chrt08:31:322
2813999182,15cyclictest0-21swapper/209:15:172
28139991816,1cyclictest20782-21chrt10:43:472
28139991816,1cyclictest0-21swapper/212:30:112
28139991816,1cyclictest0-21swapper/209:53:222
2813999181,2cyclictest12090-21latency_hist11:25:022
28139991812,3cyclictest0-21swapper/212:10:012
2813999180,2cyclictest3987-21H222:10:212
2813999180,1cyclictest0-21swapper/211:40:132
2813999180,17cyclictest0-21swapper/209:55:122
2813999180,17cyclictest0-21swapper/208:35:502
2813999180,17cyclictest0-21swapper/208:35:492
2813999180,16cyclictest0-21swapper/208:05:102
2813499182,1cyclictest0-21swapper/107:10:151
2813499181,3cyclictest0-21swapper/111:05:121
2813499180,4cyclictest0-21swapper/110:56:471
2813499180,2cyclictest3987-21H222:10:211
2813499180,17cyclictest3989-21H222:10:211
2813499180,17cyclictest3981-21H222:10:211
2813499180,17cyclictest3981-21H222:10:211
2813499180,17cyclictest0-21swapper/112:37:381
28130991816,1cyclictest0-21swapper/011:00:170
28130991816,1cyclictest0-21swapper/009:20:120
28130991814,4cyclictest0-21swapper/008:27:320
28130991814,3cyclictest11680-21snapd12:09:490
2813099181,16cyclictest1768-21sh08:15:190
2813099180,3cyclictest0-21swapper/009:27:410
2813099180,16cyclictest3976-21H222:10:210
28139991715,1cyclictest213032chrt09:45:492
28139991715,1cyclictest0-21swapper/207:55:152
28139991714,2cyclictest9765-21munin-run10:25:012
28139991714,2cyclictest8095-21expr07:30:142
28139991714,2cyclictest3449-21cpuspeed_turbos08:20:132
28139991714,2cyclictest24479-21nfsd411:45:162
28139991714,2cyclictest23885-21fschecks_time08:55:162
28139991714,2cyclictest21253-21date07:55:022
28139991714,2cyclictest20487-21/usr/sbin/munin08:50:212
28139991714,2cyclictest17375-21idleruntime09:40:142
28139991714,2cyclictest13700-21expr07:40:132
28139991714,2cyclictest13295-21wc07:40:002
28139991712,4cyclictest3954-21VM22:10:212
2813999171,15cyclictest12992-21cpuspeed_turbos10:30:122
2813999170,3cyclictest0-21swapper/210:50:122
2813999170,2cyclictest689-21sed09:10:212
2813999170,2cyclictest577-21expr08:15:122
2813999170,2cyclictest29908-21/usr/sbin/munin08:10:112
2813999170,2cyclictest17458-21grep07:45:172
2813999170,2cyclictest1485-21snapd11:27:102
2813999170,1cyclictest0-21swapper/212:36:112
2813999170,16cyclictest8729-21latency_hist08:30:012
2813999170,16cyclictest8714-21smtp11:16:172
2813999170,16cyclictest6508-21sed11:15:012
2813999170,16cyclictest6508-21sed11:15:002
2813999170,16cyclictest5158-21expr10:15:142
2813999170,16cyclictest4035-21H222:10:212
2813999170,16cyclictest30828-21kernelversion11:00:172
2813999170,16cyclictest17206-21latency_hist11:35:002
2813999170,16cyclictest1515-21lxd09:36:412
2813999170,16cyclictest1485-21snapd09:00:082
2813999170,16cyclictest14015-21which12:25:152
2813999170,16cyclictest11009-21cpu09:30:122
2813999170,16cyclictest1079-21cups-browsed10:00:192
2813999170,16cyclictest0-21swapper/211:55:162
2813999170,16cyclictest0-21swapper/210:36:202
2813999170,15cyclictest3979-21H222:10:212
28134991716,0cyclictest0-21swapper/108:05:241
28134991715,1cyclictest0-21swapper/109:10:031
28134991714,2cyclictest8109-21cat12:15:111
28134991714,2cyclictest7868-21cat10:20:111
28134991714,2cyclictest4497-21cat11:10:141
28134991714,2cyclictest4497-21cat11:10:141
28134991714,2cyclictest4035-21H222:10:211
28134991714,2cyclictest3989-21H222:10:211
28134991714,2cyclictest32320-21cat10:05:211
28134991714,2cyclictest28534-21latency_hist11:55:001
28134991714,2cyclictest2145-21cat07:20:131
28134991714,2cyclictest20124-21expr07:50:191
28134991714,2cyclictest2007-21systemd-journal07:37:481
28134991714,2cyclictest17516-21ntp_states07:45:161
28134991714,2cyclictest1621-21chrt10:10:071
28134991714,2cyclictest10582-21apache_accesses12:20:101
2813499171,1cyclictest0-21swapper/109:58:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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