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2025-12-19 - 20:00
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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 rack6slot0.osadl.org (updated Fri Dec 19, 2025 13:01:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
386399216203,11cyclictest1367-21dbus-daemon10:19:3725
386399216203,11cyclictest1367-21dbus-daemon10:19:3725
386399216203,11cyclictest1367-21dbus-daemon10:19:3725
386399215211,2cyclictest0-21swapper/3112:26:2025
386399215211,2cyclictest0-21swapper/3112:26:2025
382899210192,11cyclictest0-21swapper/210:53:4212
382899210192,11cyclictest0-21swapper/210:53:4212
386399203197,4cyclictest0-21swapper/3112:03:1625
386399203197,4cyclictest0-21swapper/3112:03:1625
386399203197,4cyclictest0-21swapper/3112:03:1625
386399203194,5cyclictest2454-21CPU25
386399203194,5cyclictest2454-21CPU25
386399202196,4cyclictest0-21swapper/3110:47:1325
386399202196,4cyclictest0-21swapper/3110:47:1225
386399198191,5cyclictest0-21swapper/3112:08:4225
386399198191,5cyclictest0-21swapper/3112:08:4125
383299198164,10cyclictest0-21swapper/510:53:4235
383299198164,10cyclictest0-21swapper/510:53:4235
386399197189,6cyclictest0-21swapper/3109:43:2825
386399197189,6cyclictest0-21swapper/3109:43:2825
386099196175,13cyclictest0-21swapper/2810:53:4221
386099196175,13cyclictest0-21swapper/2810:53:4121
386399195188,6cyclictest0-21swapper/3111:22:3225
386399195188,6cyclictest0-21swapper/3111:22:3225
386399195188,6cyclictest0-21swapper/3111:22:3125
385299195153,5cyclictest0-21swapper/2110:33:4014
385299195153,5cyclictest0-21swapper/2110:33:3914
383599195166,25cyclictest0-21swapper/812:30:5738
383599195166,25cyclictest0-21swapper/812:30:5738
383599195166,25cyclictest0-21swapper/812:30:5638
386399194183,9cyclictest0-21swapper/3111:18:4225
386399194183,9cyclictest0-21swapper/3111:18:4125
386399193187,5cyclictest0-21swapper/3112:12:5425
386399193187,5cyclictest0-21swapper/3112:12:5425
386399193187,5cyclictest0-21swapper/3112:12:5325
386399193185,6cyclictest0-21swapper/3109:39:5525
386399193185,6cyclictest0-21swapper/3109:39:5425
386399193185,6cyclictest0-21swapper/3109:39:5425
383599193170,18cyclictest0-21swapper/809:17:3338
383599193170,18cyclictest0-21swapper/809:17:3338
383599193170,18cyclictest0-21swapper/809:17:3238
386399192165,22cyclictest1367-21dbus-daemon11:09:0525
386399192165,22cyclictest1367-21dbus-daemon11:09:0525
386399192165,22cyclictest1367-21dbus-daemon11:09:0425
386399191182,5cyclictest0-21swapper/3111:47:1525
386399191182,5cyclictest0-21swapper/3111:47:1525
386399191181,5cyclictest0-21swapper/3112:36:0525
386399191181,5cyclictest0-21swapper/3112:36:0425
386399191175,12cyclictest35092-21sed09:00:0125
386399191175,12cyclictest35092-21sed09:00:0125
386399191169,19cyclictest0-21swapper/3110:52:3825
386399191169,19cyclictest0-21swapper/3110:52:3825
386099191184,5cyclictest25472-21kworker/u80:0-ext4-rsv-conversion10:19:1321
386099191184,5cyclictest25472-21kworker/u80:0-ext4-rsv-conversion10:19:1321
386099191184,5cyclictest25472-21kworker/u80:0-ext4-rsv-conversion10:19:1221
382799190148,25cyclictest0-21swapper/110:33:391
382799190148,25cyclictest0-21swapper/110:33:391
386399189173,13cyclictest0-21swapper/3109:27:5325
386399189173,13cyclictest0-21swapper/3109:27:5325
386399189173,13cyclictest0-21swapper/3109:27:5225
383999189186,2cyclictest0-21swapper/1109:46:513
383999189186,2cyclictest0-21swapper/1109:46:513
383999189186,2cyclictest0-21swapper/1109:46:513
386399188183,4cyclictest0-21swapper/3110:24:2225
386399188183,4cyclictest0-21swapper/3110:24:2225
386399188183,4cyclictest0-21swapper/3110:24:2225
386399188182,4cyclictest0-21swapper/3109:53:3625
386399188182,4cyclictest0-21swapper/3109:53:3625
386399188182,4cyclictest0-21swapper/3109:53:3525
386399188170,12cyclictest0-21swapper/3110:42:4525
386399188170,12cyclictest0-21swapper/3110:42:4525
386399188170,12cyclictest0-21swapper/3110:42:4525
383599188165,18cyclictest0-21swapper/812:21:5838
383599188165,18cyclictest0-21swapper/812:21:5838
383599188165,18cyclictest0-21swapper/812:21:5838
386399187180,5cyclictest0-21swapper/3110:14:5725
386399187180,5cyclictest0-21swapper/3110:14:5625
386399187174,9cyclictest18730-21sshd11:32:0825
386399187174,9cyclictest18730-21sshd11:32:0825
386399187167,12cyclictest0-21swapper/3110:02:4125
386399187167,12cyclictest0-21swapper/3110:02:4025
386399187167,12cyclictest0-21swapper/3110:02:4025
383199187174,11cyclictest0-21swapper/412:11:5534
383199187174,11cyclictest0-21swapper/412:11:5534
383199187174,11cyclictest0-21swapper/412:11:5434
386299186154,13cyclictest0-21swapper/3007:18:0024
386299186154,13cyclictest0-21swapper/3007:18:0024
383599186161,18cyclictest0-21swapper/809:52:3238
383599186161,18cyclictest0-21swapper/809:52:3238
383599186161,18cyclictest0-21swapper/809:52:3238
386399185180,4cyclictest0-21swapper/3109:20:4425
386399185180,4cyclictest0-21swapper/3109:20:4425
386399185179,4cyclictest0-21swapper/3111:57:0925
386399185179,4cyclictest0-21swapper/3111:57:0825
386399185179,4cyclictest0-21swapper/3111:57:0825
386399185177,4cyclictest0-21swapper/3110:07:2525
386399185177,4cyclictest0-21swapper/3110:07:2525
386399185177,4cyclictest0-21swapper/3110:07:2525
386399184177,4cyclictest0-21swapper/3112:16:5125
386399184177,4cyclictest0-21swapper/3112:16:5125
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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