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2026-01-18 - 10:44
[ 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 rackcslot8.osadl.org (updated Sun Jan 18, 2026 00:48:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25009927073,31cyclictest151rcu_preempt23:39:510
3273912280,220ptp4l0-21swapper/119:05:491
330891201193,6phc2sys0-21swapper/219:08:3312
26109916028,83cyclictest0-21swapper/1822:54:2110
26109916028,83cyclictest0-21swapper/1822:54:2110
26109915927,87cyclictest0-21swapper/1823:17:2010
26109915927,87cyclictest0-21swapper/1823:17:2010
26409915744,35cyclictest0-21swapper/2421:45:1817
25829915323,102cyclictest151rcu_preempt23:09:443
25829915323,102cyclictest151rcu_preempt23:09:443
25179915324,94cyclictest0-21swapper/320:33:1423
374621500,2sleep130-21swapper/1322:01:055
2582991460,86cyclictest0-21swapper/1120:35:173
25799914326,55cyclictest0-21swapper/1023:14:322
25799914326,55cyclictest0-21swapper/1023:14:322
26109914119,91cyclictest0-21swapper/1821:50:4510
2561991410,138cyclictest0-21swapper/800:16:5030
2669991400,81cyclictest0-21swapper/3123:20:1325
2669991400,81cyclictest0-21swapper/3123:20:1325
26239914029,63cyclictest0-21swapper/2122:05:1414
26239914029,63cyclictest0-21swapper/2122:05:1414
26589913840,56cyclictest0-21swapper/2822:45:5121
26589913840,56cyclictest0-21swapper/2822:45:5121
25799913828,66cyclictest0-21swapper/1000:01:022
26589913725,66cyclictest0-21swapper/2823:23:1121
26589913725,66cyclictest0-21swapper/2823:23:1121
26589913723,75cyclictest0-21swapper/2822:07:3421
26589913723,75cyclictest0-21swapper/2822:07:3421
2606991360,82cyclictest0-21swapper/1723:33:219
2561991360,80cyclictest0-21swapper/821:28:1030
26589913528,67cyclictest0-21swapper/2821:10:5021
26589913526,67cyclictest0-21swapper/2819:45:0821
26589913526,64cyclictest0-21swapper/2823:56:4821
26589913525,68cyclictest0-21swapper/2823:01:1621
26589913525,68cyclictest0-21swapper/2823:01:1621
2658991350,82cyclictest0-21swapper/2822:35:1121
2658991350,82cyclictest0-21swapper/2822:35:1121
2623991350,81cyclictest0-21swapper/2100:33:4914
26589913452,55cyclictest0-21swapper/2819:54:4521
26589913447,57cyclictest0-21swapper/2800:19:0421
26589913442,58cyclictest0-21swapper/2822:25:2721
26589913442,58cyclictest0-21swapper/2822:25:2721
26589913437,66cyclictest0-21swapper/2800:20:3621
26589913430,73cyclictest0-21swapper/2822:20:0721
26589913430,73cyclictest0-21swapper/2822:20:0721
26589913427,66cyclictest0-21swapper/2821:16:4521
26589913427,63cyclictest0-21swapper/2822:01:2421
26589913427,63cyclictest0-21swapper/2800:00:3521
26239913428,67cyclictest0-21swapper/2122:37:1314
26239913428,67cyclictest0-21swapper/2122:37:1314
26589913330,67cyclictest0-21swapper/2820:50:2221
26589913328,62cyclictest0-21swapper/2822:15:1821
26589913328,62cyclictest0-21swapper/2822:15:1821
26589913327,65cyclictest0-21swapper/2823:37:0521
26589913325,66cyclictest0-21swapper/2820:25:0221
26239913325,63cyclictest0-21swapper/2123:00:1714
26239913325,63cyclictest0-21swapper/2123:00:1714
25799913327,64cyclictest0-21swapper/1022:42:282
25799913327,64cyclictest0-21swapper/1022:42:282
2561991330,87cyclictest0-21swapper/823:12:2530
2561991330,87cyclictest0-21swapper/823:12:2530
26589913245,61cyclictest0-21swapper/2800:34:5021
26589913234,72cyclictest0-21swapper/2823:25:2521
26589913234,72cyclictest0-21swapper/2823:25:2521
26589913229,67cyclictest0-21swapper/2821:31:4521
26589913228,70cyclictest0-21swapper/2800:29:1021
26589913228,63cyclictest0-21swapper/2820:49:4721
26589913227,71cyclictest0-21swapper/2822:57:3121
26589913227,71cyclictest0-21swapper/2822:57:3121
26589913217,68cyclictest0-21swapper/2821:51:0321
26239913249,57cyclictest0-21swapper/2100:06:0114
25799913222,68cyclictest0-21swapper/1000:36:182
25179913216,91cyclictest0-21swapper/321:30:2823
26589913131,75cyclictest0-21swapper/2823:45:1221
26589913128,72cyclictest0-21swapper/2820:38:0221
26589913128,66cyclictest0-21swapper/2819:20:1521
26589913128,60cyclictest0-21swapper/2819:30:3921
26589913126,68cyclictest0-21swapper/2822:32:2421
26589913126,68cyclictest0-21swapper/2822:32:2421
26589913126,67cyclictest0-21swapper/2821:43:1421
25799913129,64cyclictest0-21swapper/1023:48:122
26589913042,56cyclictest0-21swapper/2821:25:1321
26589913030,70cyclictest0-21swapper/2819:20:0021
26589913028,67cyclictest0-21swapper/2822:13:0721
26589913027,68cyclictest0-21swapper/2819:57:2521
26589913017,73cyclictest0-21swapper/2823:08:4521
26589913017,73cyclictest0-21swapper/2823:08:4521
26239913029,67cyclictest0-21swapper/2100:27:2414
25799913028,64cyclictest0-21swapper/1022:55:172
25799913028,64cyclictest0-21swapper/1022:55:172
26589912943,63cyclictest0-21swapper/2823:15:1021
26589912943,63cyclictest0-21swapper/2823:15:1021
26589912931,75cyclictest0-21swapper/2800:10:1221
26589912930,70cyclictest0-21swapper/2821:45:2221
26589912927,66cyclictest0-21swapper/2823:14:3821
26589912927,66cyclictest0-21swapper/2823:14:3821
26239912929,72cyclictest0-21swapper/2121:32:0614
26239912929,66cyclictest0-21swapper/2100:37:0114
26239912927,69cyclictest0-21swapper/2121:19:1114
26239912927,68cyclictest0-21swapper/2121:28:2114
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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