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2026-03-01 - 19:20
[ 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 rackdslot1.osadl.org (updated Sun Mar 01, 2026 12:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1495996712,10cyclictest12413-21ntp_kernel_pll_11:00:220
134491670,4ptp4l0-21swapper/109:25:191
134491670,4ptp4l0-21swapper/109:25:191
134491650,20ptp4l28217-21irqstats09:15:191
149599628,11cyclictest2347-21wc11:50:140
1495996214,11cyclictest20357-21taskset11:18:410
134491620,4ptp4l0-21swapper/310:50:133
1495996114,11cyclictest11153-21taskset12:09:160
1495996112,10cyclictest6497-21turbostat.cron09:39:550
1495996110,10cyclictest25007-21/usr/sbin/munin09:10:230
149599609,11cyclictest24448-21sed11:25:250
149599608,9cyclictest23494-21proc_pri07:55:220
149599608,11cyclictest18203-21latency_hist10:05:000
1495996014,10cyclictest24594-21taskset09:07:510
134491600,3ptp4l0-21swapper/107:30:191
1495995913,12cyclictest10635-21taskset08:38:480
1495995911,11cyclictest8517-21runrttasks10:52:050
1495995814,10cyclictest12729-21taskset07:33:370
134491580,4ptp4l0-21swapper/009:45:190
1495995713,10cyclictest8215-21taskset08:32:140
134491570,3ptp4l0-21swapper/112:20:471
134491570,3ptp4l0-21swapper/109:10:241
149599568,46cyclictest0-21swapper/012:35:140
1495995617,36cyclictest7347-21iostat_ios09:40:170
1495995612,11cyclictest3924-21seq09:31:280
1495995611,41cyclictest19694-21awk08:55:260
134491560,4ptp4l0-21swapper/311:10:303
134491560,4ptp4l0-21swapper/111:53:031
134491560,4ptp4l0-21swapper/109:20:191
149599559,15cyclictest28653-21ntp_states10:25:220
1495995515,10cyclictest27233-21taskset11:32:300
1495995514,10cyclictest22529-21runrttasks10:13:560
1495995513,39cyclictest5053-21memory08:25:210
1495995510,10cyclictest14286-21idleruntime11:05:140
134491550,4ptp4l0-21swapper/311:50:023
134491550,4ptp4l0-21swapper/108:05:251
134491550,2ptp4l0-21swapper/107:36:251
264022540,4sleep10-21swapper/110:20:231
1495995413,10cyclictest15548-21taskset09:58:010
134491540,4ptp4l0-21swapper/111:48:501
134491540,3ptp4l12341-21runrttasks11:00:213
134491540,19ptp4l15192-21users08:45:291
134491540,14ptp4l310-21ps07:05:241
149599538,6cyclictest137891phc2sys12:25:130
149599534,46cyclictest1535-21latency_hist08:20:000
1495995316,10cyclictest22324-21taskset09:03:120
1495995314,10cyclictest31595-21taskset10:31:240
1495995313,9cyclictest24700-21taskset10:17:190
134491530,4ptp4l0-21swapper/110:57:591
134491530,4ptp4l0-21swapper/108:12:411
134491530,12ptp4l31567-21apt-get07:05:120
149599528,17cyclictest26107-21cat10:20:180
1495995212,11cyclictest5813-21taskset07:18:330
1495995211,9cyclictest0-21swapper/009:26:470
1495995211,9cyclictest0-21swapper/009:26:470
134491520,3ptp4l0-21swapper/112:30:121
134491520,3ptp4l0-21swapper/111:59:291
1495995110,38cyclictest28104-21grep11:35:150
134491510,9ptp4l0-21swapper/108:44:071
134491510,4ptp4l0-21swapper/110:09:221
134491510,4ptp4l0-21swapper/110:09:211
134491510,4ptp4l0-21swapper/108:19:491
134491510,3ptp4l0-21swapper/310:10:253
134491510,3ptp4l0-21swapper/107:23:251
1495995016,11cyclictest6414-21df07:20:130
1495995013,7cyclictest29525-21apt-get08:10:110
134491500,4ptp4l0-21swapper/111:25:531
134491500,3ptp4l0-21swapper/311:24:443
134491500,3ptp4l0-21swapper/309:38:293
134491500,3ptp4l0-21swapper/107:10:261
149599499,8cyclictest17585-21ls12:20:260
149599499,38cyclictest0-21swapper/009:20:010
149599498,7cyclictest2535-21perl10:40:150
149599497,15cyclictest26897-21runrttasks08:04:040
1495994910,8cyclictest21106-21ntpq07:50:220
134491490,5ptp4l0-21swapper/207:09:012
134491490,4ptp4l0-21swapper/310:34:413
134491490,4ptp4l0-21swapper/310:21:293
134491490,4ptp4l0-21swapper/211:20:412
134491490,11ptp4l0-21swapper/308:55:203
149599489,7cyclictest2747-21ls08:20:210
134491480,4ptp4l0-21swapper/307:17:033
134491480,4ptp4l0-21swapper/110:37:171
134491480,4ptp4l0-21swapper/108:35:391
134491480,3ptp4l0-21swapper/111:15:191
134491480,3ptp4l0-21swapper/109:04:331
149599479,9cyclictest0-21swapper/007:40:300
149599479,7cyclictest9574-21iostat_ios10:55:180
149599478,7cyclictest21237-21iostat_ios12:30:180
149599478,36cyclictest7720-21/usr/sbin/munin12:00:190
149599476,8cyclictest5353-21ls10:45:210
149599475,40cyclictest0-21swapper/007:25:180
1495994711,34cyclictest0-21swapper/008:50:160
1495994710,8cyclictest30116-21df09:20:150
134491470,3ptp4l0-21swapper/310:46:093
134491470,12ptp4l0-21swapper/107:56:421
1495994611,13cyclictest14335-21iostat_ios12:15:180
134491460,4ptp4l0-21swapper/110:18:391
134491460,11ptp4l0-21swapper/109:39:141
149599456,6cyclictest19220-21ls10:05:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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