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2026-04-13 - 13:56
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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 Mon Apr 13, 2026 01:01:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3676699213192,15cyclictest0-21swapper/222:40:2612
3676699213192,15cyclictest0-21swapper/222:40:2612
3680099210202,5cyclictest0-21swapper/2822:35:1621
3676699200166,32cyclictest0-21swapper/222:46:5112
3676699200166,32cyclictest0-21swapper/222:46:5112
3676699200166,32cyclictest0-21swapper/222:46:5012
368079919956,136cyclictest37353-21CPU29
368079919956,136cyclictest37353-21CPU29
368079919956,136cyclictest37353-21CPU29
3680799197156,36cyclictest0-21swapper/3500:16:0929
3680799197156,36cyclictest0-21swapper/3500:16:0829
3678399196179,4cyclictest1809-21sshd23:40:177
3678399196179,4cyclictest1809-21sshd23:40:167
3677199195187,5cyclictest0-21swapper/621:14:3236
3677199195187,5cyclictest0-21swapper/621:14:3136
3677199195187,5cyclictest0-21swapper/621:14:3136
3680499194184,9cyclictest0-21swapper/3223:17:5626
3680499194184,9cyclictest0-21swapper/3223:17:5526
3680299193169,21cyclictest0-21swapper/3022:51:2424
3680299193169,21cyclictest0-21swapper/3022:51:2424
3677199192187,3cyclictest0-21swapper/623:59:4636
3677199192187,3cyclictest0-21swapper/623:59:4636
3678699190166,12cyclictest0-21swapper/1822:23:1110
3678699190166,12cyclictest0-21swapper/1822:23:1110
36784991900,8cyclictest2447-21CPU8
36784991900,8cyclictest2447-21CPU8
3680799188151,34cyclictest0-21swapper/3522:49:5029
3680799188151,34cyclictest0-21swapper/3522:49:5029
3680799188151,34cyclictest0-21swapper/3522:49:5029
3680799187160,24cyclictest0-21swapper/3500:06:2729
3680799187160,24cyclictest0-21swapper/3500:06:2729
367869918739,37cyclictest0-21swapper/1823:20:2010
367869918739,37cyclictest0-21swapper/1823:20:2010
367869918739,37cyclictest0-21swapper/1823:20:2010
3680799186154,22cyclictest0-21swapper/3500:01:5529
3680799186154,22cyclictest0-21swapper/3500:01:5529
3678999186156,18cyclictest0-21swapper/2023:23:1213
3678999186156,18cyclictest0-21swapper/2023:23:1213
3678999186156,18cyclictest0-21swapper/2023:23:1113
3681099185159,19cyclictest3547-21CPU32
3681099185159,19cyclictest3547-21CPU32
3681099185159,19cyclictest3547-21CPU32
3680799185139,41cyclictest37269-21CPU29
3680799185139,41cyclictest37269-21CPU29
3676899185155,13cyclictest0-21swapper/422:28:4334
3676899185155,13cyclictest0-21swapper/422:28:4334
3680999184170,11cyclictest0-21swapper/3723:56:0431
3680999184170,11cyclictest0-21swapper/3723:56:0431
3680799184118,63cyclictest0-21swapper/3520:02:0029
3680799184118,63cyclictest0-21swapper/3520:02:0029
3680999183157,14cyclictest0-21swapper/3722:11:5231
3680999183157,14cyclictest0-21swapper/3722:11:5231
36807991831,175cyclictest0-21swapper/3523:00:2229
36807991831,175cyclictest0-21swapper/3523:00:2229
3680499183165,11cyclictest0-21swapper/3220:06:0126
3680499183165,11cyclictest0-21swapper/3220:06:0126
3679399183134,40cyclictest37263-21CPU16
3679399183134,40cyclictest37263-21CPU16
367869918274,103cyclictest0-21swapper/1823:25:1610
367869918274,103cyclictest0-21swapper/1823:25:1610
3676499182137,41cyclictest37356-21CPU0
3676499182137,41cyclictest37356-21CPU0
3676499182137,41cyclictest37356-21CPU0
367869918143,51cyclictest0-21swapper/1823:09:0610
367869918143,51cyclictest0-21swapper/1823:09:0610
36767991811,174cyclictest2327-21qemu-system-x8623:55:1923
36767991811,174cyclictest2327-21qemu-system-x8623:55:1923
36807991801,173cyclictest0-21swapper/3523:10:1929
36807991801,173cyclictest0-21swapper/3523:10:1929
3677199180131,38cyclictest3609-21CPU36
3677199180131,38cyclictest3609-21CPU36
36766991804,97cyclictest0-21swapper/219:22:3312
36766991804,97cyclictest0-21swapper/219:22:3312
3677899179156,21cyclictest0-21swapper/1100:20:233
3677899179156,21cyclictest0-21swapper/1100:20:223
3676699179161,16cyclictest0-21swapper/222:35:3212
3676699179160,17cyclictest0-21swapper/200:06:3212
3676699179160,17cyclictest0-21swapper/200:06:3212
3676699179153,25cyclictest0-21swapper/222:08:5412
3676699179153,25cyclictest0-21swapper/222:08:5412
3680999178144,28cyclictest0-21swapper/3721:52:3531
3680999178144,28cyclictest0-21swapper/3721:52:3531
3680499178167,9cyclictest0-21swapper/3222:28:1726
3680499178167,9cyclictest0-21swapper/3222:28:1726
3680399178173,3cyclictest0-21swapper/3123:27:4325
3680399178173,3cyclictest0-21swapper/3123:27:4325
3680299178160,16cyclictest0-21swapper/3021:13:0224
3680299178160,16cyclictest0-21swapper/3021:13:0224
3680299178160,16cyclictest0-21swapper/3021:13:0224
3680099178168,8cyclictest0-21swapper/2822:45:3721
3680099178168,8cyclictest0-21swapper/2822:45:3621
3680099178168,8cyclictest0-21swapper/2822:45:3621
3680099178128,23cyclictest37265-21CPU21
3680099178128,23cyclictest37265-21CPU21
3678699178162,13cyclictest0-21swapper/1822:04:4310
3678699178162,13cyclictest0-21swapper/1822:04:4310
3678699178158,16cyclictest0-21swapper/1821:38:3810
3678699178158,16cyclictest0-21swapper/1821:38:3710
3677699178163,7cyclictest0-21swapper/920:05:3739
3677699178163,7cyclictest0-21swapper/920:05:3739
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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