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2026-05-15 - 07:11
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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 May 15, 2026 01:02:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16268992571,245cyclictest0-21swapper/2921:10:0222
16268992571,245cyclictest0-21swapper/2921:10:0222
16268992571,245cyclictest0-21swapper/2921:10:0222
16268992571,245cyclictest0-21swapper/2921:10:0222
16268992561,2cyclictest0-21swapper/2923:32:4222
16268992561,2cyclictest0-21swapper/2923:32:4222
16268992471,2cyclictest0-21swapper/2900:10:1222
16268992471,2cyclictest0-21swapper/2900:10:1122
1623899247163,72cyclictest1035-21kworker/u81:5+events_unbound00:10:0623
1623899247163,72cyclictest1035-21kworker/u81:5+events_unbound00:10:0523
16268992431,2cyclictest0-21swapper/2921:40:1322
16268992431,2cyclictest0-21swapper/2921:40:1322
16268992431,2cyclictest0-21swapper/2921:40:1322
16268992421,238cyclictest0-21swapper/2922:45:1822
16268992421,238cyclictest0-21swapper/2922:45:1722
16268992361,2cyclictest0-21swapper/2923:41:5422
16268992361,2cyclictest0-21swapper/2923:41:5322
16268992361,2cyclictest0-21swapper/2923:41:5322
16268992350,230cyclictest0-21swapper/2921:10:3422
16268992350,230cyclictest0-21swapper/2921:10:3422
16268992350,230cyclictest0-21swapper/2921:10:3422
16268992310,3cyclictest1382-21in:imuxsock23:05:5122
16268992310,3cyclictest1382-21in:imuxsock23:05:5122
16268992301,226cyclictest0-21swapper/2922:13:3922
16268992301,226cyclictest0-21swapper/2922:13:3922
16268992291,2cyclictest0-21swapper/2919:45:2022
16268992291,2cyclictest0-21swapper/2919:45:2022
16268992261,4cyclictest316950irq/68-eno2-TxRx-000:09:3422
16268992261,4cyclictest316950irq/68-eno2-TxRx-000:09:3322
16268992261,221cyclictest0-21swapper/2922:20:1622
16268992261,221cyclictest0-21swapper/2922:20:1622
16268992261,221cyclictest0-21swapper/2922:20:1622
16268992251,218cyclictest0-21swapper/2919:50:1622
16268992251,218cyclictest0-21swapper/2919:50:1622
16268992242,217cyclictest4408-21CPU22
16268992242,217cyclictest4408-21CPU22
16268992242,217cyclictest4408-21CPU22
16268992241,220cyclictest0-21swapper/2900:34:5422
16268992241,220cyclictest0-21swapper/2900:34:5322
16268992241,218cyclictest0-21swapper/2900:00:0322
16268992241,218cyclictest0-21swapper/2900:00:0322
16268992241,218cyclictest0-21swapper/2900:00:0222
16268992240,221cyclictest0-21swapper/2921:30:0022
16268992240,221cyclictest0-21swapper/2921:30:0022
16268992240,221cyclictest0-21swapper/2921:30:0022
16268992231,2cyclictest0-21swapper/2919:25:1322
16268992231,2cyclictest0-21swapper/2919:25:1222
16268992231,219cyclictest0-21swapper/2919:40:2422
16268992231,219cyclictest0-21swapper/2919:40:2322
16268992230,2cyclictest0-21swapper/2920:20:0022
16268992230,2cyclictest0-21swapper/2920:19:5922
16268992221,2cyclictest0-21swapper/2923:03:4922
16268992221,2cyclictest0-21swapper/2923:03:4922
16268992211,217cyclictest0-21swapper/2923:11:4522
16268992211,217cyclictest0-21swapper/2923:11:4522
16268992201,4cyclictest33882-21kill00:25:1522
16268992201,4cyclictest33882-21kill00:25:1422
16268992201,4cyclictest33882-21kill00:25:1422
16268992201,2cyclictest0-21swapper/2922:39:2622
16268992201,2cyclictest0-21swapper/2922:39:2522
16268992201,212cyclictest0-21swapper/2923:20:2122
16268992201,212cyclictest0-21swapper/2923:20:2122
16268992193,206cyclictest0-21swapper/2921:45:1622
16268992193,206cyclictest0-21swapper/2921:45:1522
16268992193,206cyclictest0-21swapper/2921:45:1522
16268992191,214cyclictest0-21swapper/2922:05:1422
16268992191,214cyclictest0-21swapper/2922:05:1422
16268992172,211cyclictest0-21swapper/2923:45:5822
16268992172,211cyclictest0-21swapper/2923:45:5722
16268992171,207cyclictest0-21swapper/2921:50:1522
16268992171,207cyclictest0-21swapper/2921:50:1522
16268992161,2cyclictest0-21swapper/2921:25:0122
16268992161,2cyclictest0-21swapper/2921:25:0122
16268992161,2cyclictest0-21swapper/2921:25:0022
16268992161,2cyclictest0-21swapper/2900:18:2822
16268992161,2cyclictest0-21swapper/2900:18:2722
16268992161,2cyclictest0-21swapper/2900:18:2722
16268992141,2cyclictest0-21swapper/2900:20:1722
16268992141,2cyclictest0-21swapper/2900:20:1622
16268992141,209cyclictest0-21swapper/2922:41:5022
16268992141,209cyclictest0-21swapper/2922:41:4922
16268992140,5cyclictest35086-21systemd22:30:5822
16268992140,5cyclictest35086-21systemd22:30:5822
16268992140,2cyclictest0-21swapper/2922:00:3822
16268992140,2cyclictest0-21swapper/2922:00:3822
16268992131,2cyclictest0-21swapper/2920:25:1422
16268992131,2cyclictest0-21swapper/2920:25:1422
16268992131,2cyclictest0-21swapper/2919:20:1222
16268992131,2cyclictest0-21swapper/2919:20:1222
16268992131,209cyclictest0-21swapper/2921:57:4322
16268992131,209cyclictest0-21swapper/2921:57:4222
16268992121,207cyclictest0-21swapper/2923:18:5422
16268992121,207cyclictest0-21swapper/2923:18:5422
16268992113,203cyclictest4407-21CPU22
16268992113,203cyclictest4407-21CPU22
16268992112,5cyclictest3544-21CPU22
16268992112,5cyclictest3544-21CPU22
16268992112,5cyclictest3544-21CPU22
16268992110,2cyclictest0-21swapper/2920:12:5822
16268992091,2cyclictest0-21swapper/2923:36:2022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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