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2026-08-02 - 02:34
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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 Sun Aug 02, 2026 01:01:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1377099220213,5cyclictest0-21swapper/1822:43:2110
1377099220213,5cyclictest0-21swapper/1822:43:2110
1377099220213,5cyclictest0-21swapper/1822:43:2110
1377699218205,11cyclictest0-21swapper/2422:00:2117
1377699218205,11cyclictest0-21swapper/2422:00:2117
1377699216210,4cyclictest0-21swapper/2421:11:2017
1377699216210,4cyclictest0-21swapper/2421:11:1917
1377099210201,5cyclictest4407-21CPU10
1377099210201,5cyclictest4407-21CPU10
1377699209202,5cyclictest0-21swapper/2400:35:2017
1377699209202,5cyclictest0-21swapper/2400:35:1917
1377699207200,5cyclictest0-21swapper/2422:09:3417
1377699207200,5cyclictest0-21swapper/2422:09:3417
1377099203196,5cyclictest0-21swapper/1823:00:5810
1377099203196,5cyclictest0-21swapper/1823:00:5810
1377099203196,5cyclictest0-21swapper/1823:00:5710
1377699202194,5cyclictest1367-21dbus-daemon21:55:2717
1377699202194,5cyclictest1367-21dbus-daemon21:55:2717
1377699201191,8cyclictest17479-21nfsd21:20:1717
1377699201191,8cyclictest17479-21nfsd21:20:1717
1377699198190,6cyclictest0-21swapper/2421:00:1017
1377699198190,6cyclictest0-21swapper/2421:00:0917
1377099198192,3cyclictest0-21swapper/1822:30:1910
1377099198192,3cyclictest0-21swapper/1822:30:1910
1377699197188,7cyclictest0-21swapper/2400:28:2917
1377699197188,7cyclictest0-21swapper/2400:28:2817
1377099195190,3cyclictest14217-21sshd22:50:2710
1377099195190,3cyclictest14217-21sshd22:50:2610
1377099195190,3cyclictest14217-21sshd22:50:2610
1377699194189,2cyclictest11430-21sshd22:25:4617
1377699194189,2cyclictest11430-21sshd22:25:4617
1377699194186,6cyclictest0-21swapper/2422:18:3817
1377699194186,6cyclictest0-21swapper/2422:18:3817
1375199194140,50cyclictest0-21swapper/300:13:3823
1375199194140,50cyclictest0-21swapper/300:13:3723
1377699193178,11cyclictest3600-21qemu-system-x8621:50:0217
1377699193178,11cyclictest3600-21qemu-system-x8621:50:0217
1377899192182,8cyclictest372-21kswapd022:00:0519
1377899192182,8cyclictest372-21kswapd022:00:0519
1377699192178,7cyclictest0-21swapper/2422:20:1517
1377699192178,7cyclictest0-21swapper/2422:20:1517
1375599192186,4cyclictest0-21swapper/720:20:2037
1375599192186,4cyclictest0-21swapper/720:20:2037
1377699191172,14cyclictest0-21swapper/2421:50:1317
1377699191172,14cyclictest0-21swapper/2421:50:1217
13782991901,178cyclictest0-21swapper/2923:00:1622
13782991901,178cyclictest0-21swapper/2923:00:1522
13782991901,178cyclictest0-21swapper/2923:00:1522
1377099190172,14cyclictest0-21swapper/1823:25:1710
1377099190172,14cyclictest0-21swapper/1823:25:1710
1377699188180,5cyclictest0-21swapper/2400:13:2317
1377699188180,5cyclictest0-21swapper/2400:13:2217
1377699188174,11cyclictest0-21swapper/2421:15:1717
1377699188174,11cyclictest0-21swapper/2421:15:1617
1378299187101,77cyclictest0-21swapper/2922:08:1822
1378299187101,77cyclictest0-21swapper/2922:08:1822
1377699187180,5cyclictest0-21swapper/2400:30:2817
1377699187180,5cyclictest0-21swapper/2400:30:2717
1377699187179,6cyclictest0-21swapper/2420:25:4517
1377699187179,6cyclictest0-21swapper/2420:25:4517
1377699187173,10cyclictest2464-21CPU17
1377699187173,10cyclictest2464-21CPU17
1377699185177,5cyclictest0-21swapper/2420:05:1617
1377699185177,5cyclictest0-21swapper/2420:05:1617
1377099185179,4cyclictest0-21swapper/1822:59:2810
1377099185179,4cyclictest0-21swapper/1822:59:2710
1377099185179,4cyclictest0-21swapper/1822:59:2710
1377099185177,6cyclictest0-21swapper/1823:17:5510
1377099185177,6cyclictest0-21swapper/1823:17:5510
1378299184136,46cyclictest0-21swapper/2900:20:4622
1378299184136,46cyclictest0-21swapper/2900:20:4622
1377699184161,16cyclictest0-21swapper/2400:17:2017
1377699184161,16cyclictest0-21swapper/2400:17:2017
1377099184176,4cyclictest2454-21CPU10
1377099184176,4cyclictest2454-21CPU10
1377699183176,5cyclictest0-21swapper/2420:10:3217
1377699183176,5cyclictest0-21swapper/2420:10:3217
1377499183151,29cyclictest16603-21sshd22:06:0515
1377499183151,29cyclictest16603-21sshd22:06:0515
1377099183178,4cyclictest0-21swapper/1819:20:1110
1377099183178,4cyclictest0-21swapper/1819:20:1110
1377099183177,4cyclictest0-21swapper/1800:00:5110
1377099183177,4cyclictest0-21swapper/1800:00:5110
1377099183175,6cyclictest0-21swapper/1823:33:5210
1377099183175,6cyclictest0-21swapper/1823:33:5210
1377699182173,4cyclictest0-21swapper/2420:45:2017
1377699182173,4cyclictest0-21swapper/2420:45:2017
1377099182174,6cyclictest0-21swapper/1822:38:0310
1377099182174,6cyclictest0-21swapper/1822:38:0210
1378299181118,59cyclictest3542-21CPU22
1378299181118,59cyclictest3542-21CPU22
1377699181170,7cyclictest0-21swapper/2420:00:1517
1377699181170,7cyclictest0-21swapper/2420:00:1517
137949918040,82cyclictest0-21swapper/3923:15:2033
137949918040,82cyclictest0-21swapper/3923:15:2033
1377099180175,3cyclictest0-21swapper/1823:40:1610
1377099180175,3cyclictest0-21swapper/1823:40:1610
1377099180163,15cyclictest0-21swapper/1823:22:0410
1377099180163,15cyclictest0-21swapper/1823:22:0410
1377099178173,4cyclictest0-21swapper/1823:49:4710
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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