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2026-03-31 - 04:13
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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 Tue Mar 31, 2026 01:01:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22994992251,5cyclictest3547-21CPU1
22994992251,5cyclictest3547-21CPU1
2301299223209,11cyclictest0-21swapper/1600:05:248
2301299223209,11cyclictest0-21swapper/1600:05:238
2302999221210,8cyclictest37257-21qemu-system-x8622:49:5322
2302999221210,8cyclictest37257-21qemu-system-x8622:49:5222
2302999221210,8cyclictest37257-21qemu-system-x8622:49:5222
2299399220212,6cyclictest0-21swapper/022:26:130
2299399220212,6cyclictest0-21swapper/022:26:120
2301299212203,6cyclictest0-21swapper/1621:10:178
2301299212203,6cyclictest0-21swapper/1621:10:178
2301299210204,4cyclictest0-21swapper/1622:47:058
2301299210204,4cyclictest0-21swapper/1622:47:058
2301299210204,4cyclictest0-21swapper/1622:47:058
2301299209203,4cyclictest0-21swapper/1623:35:238
2301299209203,4cyclictest0-21swapper/1623:35:238
2301299203197,4cyclictest0-21swapper/1622:58:388
2301299203197,4cyclictest0-21swapper/1622:58:388
2301299203197,4cyclictest0-21swapper/1622:58:388
2301299203196,3cyclictest3547-21CPU8
2301299203196,3cyclictest3547-21CPU8
2301299201196,4cyclictest0-21swapper/1621:28:418
2301299201196,4cyclictest0-21swapper/1621:28:418
2301299201196,4cyclictest0-21swapper/1621:28:408
2301299201195,4cyclictest0-21swapper/1621:23:148
2301299201195,4cyclictest0-21swapper/1621:23:148
2301299199194,4cyclictest0-21swapper/1622:32:598
2301299199194,4cyclictest0-21swapper/1622:32:588
2301299199193,4cyclictest0-21swapper/1621:54:348
2301299199193,4cyclictest0-21swapper/1621:54:348
2301299199190,5cyclictest37266-21CPU8
2301299199190,5cyclictest37266-21CPU8
2301299199190,5cyclictest37266-21CPU8
2301299198190,6cyclictest0-21swapper/1621:45:278
2301299198190,6cyclictest0-21swapper/1621:45:278
2301299198190,6cyclictest0-21swapper/1621:45:278
2302999197134,60cyclictest0-21swapper/2900:16:0122
2302999197134,60cyclictest0-21swapper/2900:16:0022
2301299195189,4cyclictest0-21swapper/1600:25:478
2301299195189,4cyclictest0-21swapper/1600:25:468
2301499194184,5cyclictest3541-21CPU10
2301499194184,5cyclictest3541-21CPU10
2301299194189,4cyclictest0-21swapper/1619:55:298
2301299194189,4cyclictest0-21swapper/1619:55:298
2301299194189,3cyclictest23107-21sshd21:16:148
2301299194189,3cyclictest23107-21sshd21:16:148
2299399194189,4cyclictest0-21swapper/000:08:260
2299399194189,4cyclictest0-21swapper/000:08:250
2301299193184,4cyclictest37356-21CPU8
2301299193184,4cyclictest37356-21CPU8
2301299193179,11cyclictest0-21swapper/1621:40:278
2301299193179,11cyclictest0-21swapper/1621:40:278
2301299192187,3cyclictest12639-21systemd23:03:108
2301299192187,3cyclictest12639-21systemd23:03:108
2301299192186,4cyclictest0-21swapper/1600:11:208
2301299192186,4cyclictest0-21swapper/1600:11:198
2301299190184,4cyclictest0-21swapper/1622:43:558
2301299190184,4cyclictest0-21swapper/1622:43:558
2301299190184,4cyclictest0-21swapper/1622:43:548
2301299190181,7cyclictest0-21swapper/1623:45:198
2301299190181,7cyclictest0-21swapper/1623:45:198
2301299190181,7cyclictest0-21swapper/1621:34:398
2301299190181,7cyclictest0-21swapper/1621:34:398
2301299190181,7cyclictest0-21swapper/1621:34:398
2301299188176,8cyclictest2456-21CPU8
2301299188176,8cyclictest2456-21CPU8
2301299187181,4cyclictest15470-21systemd-cgroups23:44:578
2301299187181,4cyclictest15470-21systemd-cgroups23:44:568
2301299186181,4cyclictest0-21swapper/1621:05:498
2301299186181,4cyclictest0-21swapper/1621:05:498
2301299186178,4cyclictest2466-21CPU8
2301299186168,12cyclictest0-21swapper/1600:30:108
2301299186168,12cyclictest0-21swapper/1600:30:098
22994991861,7cyclictest23045-21systemd22:29:281
22994991861,7cyclictest23045-21systemd22:29:281
2301299185179,4cyclictest0-21swapper/1620:30:198
2301299185179,4cyclictest0-21swapper/1620:30:198
2301299185174,8cyclictest0-21swapper/1620:45:148
2301299185174,8cyclictest0-21swapper/1620:45:148
2301299185173,9cyclictest0-21swapper/1619:13:018
2301299185173,9cyclictest0-21swapper/1619:13:018
2301299183173,8cyclictest18934-21sd-pam00:15:478
2301299183173,8cyclictest18934-21sd-pam00:15:468
2301299183140,35cyclictest2466-21CPU8
2301299183140,35cyclictest2466-21CPU8
2302999182169,5cyclictest0-21swapper/2900:29:0122
2302999182169,5cyclictest0-21swapper/2900:29:0122
2301299181151,27cyclictest0-21swapper/1622:35:438
2301299181151,27cyclictest0-21swapper/1622:35:438
2302999180166,12cyclictest28226-21missed_timers22:50:2622
2302999180166,12cyclictest28226-21missed_timers22:50:2622
2302999178168,7cyclictest0-21swapper/2921:29:4022
2302999178168,7cyclictest0-21swapper/2921:29:4022
2302999178168,7cyclictest0-21swapper/2921:29:3922
2301299178165,11cyclictest0-21swapper/1600:37:008
2301299178165,11cyclictest0-21swapper/1600:36:598
2299399178163,7cyclictest0-21swapper/022:54:450
2299399178163,7cyclictest0-21swapper/022:54:450
2302999177168,8cyclictest0-21swapper/2922:02:5222
2302999177168,8cyclictest0-21swapper/2922:02:5222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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