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2026-05-20 - 14:50
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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 Wed May 20, 2026 13:02:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3294399246242,3cyclictest0-21swapper/2409:40:2117
3294399246242,3cyclictest0-21swapper/2409:40:2117
3294399246242,3cyclictest0-21swapper/2409:40:2117
3293999202193,5cyclictest3547-21CPU13
3293999202193,5cyclictest3547-21CPU13
3293999200174,16cyclictest0-21swapper/2012:07:0813
3293999200174,16cyclictest0-21swapper/2012:07:0713
3293999200174,16cyclictest0-21swapper/2012:07:0713
32937992001,190cyclictest0-21swapper/1808:35:1810
3293999198184,11cyclictest0-21swapper/2010:15:1813
3293999198184,11cyclictest0-21swapper/2010:15:1813
3293999198179,12cyclictest0-21swapper/2010:50:4113
3293999198179,12cyclictest0-21swapper/2010:50:4113
3293999198179,12cyclictest0-21swapper/2010:50:4013
3293999196190,4cyclictest0-21swapper/2010:36:0913
3293999196190,4cyclictest0-21swapper/2010:36:0913
3293999196190,4cyclictest0-21swapper/2010:36:0813
3293999196183,8cyclictest37266-21CPU13
3293999196183,8cyclictest37266-21CPU13
3293999196183,8cyclictest37266-21CPU13
3293999195188,5cyclictest0-21swapper/2010:40:2713
3293999195188,5cyclictest0-21swapper/2010:40:2713
3293999195188,5cyclictest0-21swapper/2010:40:2613
3296099194182,7cyclictest0-21swapper/3812:22:5232
3296099194182,7cyclictest0-21swapper/3812:22:5132
3293999193186,5cyclictest3535-21qemu-system-x8609:55:3113
3293999193186,5cyclictest3535-21qemu-system-x8609:55:3013
3293999193176,12cyclictest1360-21systemd-logind11:03:4913
3293999193176,12cyclictest1360-21systemd-logind11:03:4913
32937991921,186cyclictest0-21swapper/1809:40:2110
32937991921,186cyclictest0-21swapper/1809:40:2110
32937991921,186cyclictest0-21swapper/1809:40:2110
3293999191184,5cyclictest38300-21sshd12:19:5213
3293999191184,5cyclictest38300-21sshd12:19:5113
3293999191183,4cyclictest0-21swapper/2011:23:1513
3293999191183,4cyclictest0-21swapper/2011:23:1513
3293799191154,33cyclictest0-21swapper/1809:23:4810
3293799191154,33cyclictest0-21swapper/1809:23:4810
3292099191161,27cyclictest0-21swapper/510:57:3035
3292099191161,27cyclictest0-21swapper/510:57:3035
3294799190174,14cyclictest0-21swapper/2712:36:3820
3294799190174,14cyclictest0-21swapper/2712:36:3820
3293999190183,4cyclictest0-21swapper/2010:03:0013
3293999190183,4cyclictest0-21swapper/2010:03:0013
3293999190183,4cyclictest0-21swapper/2010:03:0013
3293999189182,4cyclictest0-21swapper/2009:40:2613
3293999189182,4cyclictest0-21swapper/2009:40:2513
3293999189182,4cyclictest0-21swapper/2009:40:2513
3293999189175,11cyclictest0-21swapper/2011:25:2013
3293999189175,11cyclictest0-21swapper/2011:25:2013
3293999189175,11cyclictest0-21swapper/2011:25:1913
3292699189116,68cyclictest25005-21gdbus11:08:392
3292699189116,68cyclictest25005-21gdbus11:08:392
3292099189178,10cyclictest0-21swapper/511:17:0935
3292099189178,10cyclictest0-21swapper/511:17:0935
3293999188183,4cyclictest0-21swapper/2011:55:2713
3293999188183,4cyclictest0-21swapper/2011:55:2713
3293999188183,4cyclictest0-21swapper/2011:55:2613
3293999188182,4cyclictest1367-21dbus-daemon09:11:3413
3293999188182,4cyclictest1367-21dbus-daemon09:11:3313
3293999188177,5cyclictest3545-21CPU13
3293999188177,5cyclictest3545-21CPU13
3292899188149,18cyclictest0-21swapper/1211:03:104
3292899188149,18cyclictest0-21swapper/1211:03:104
3296099187178,6cyclictest0-21swapper/3809:49:2132
3296099187178,6cyclictest0-21swapper/3809:49:2132
3296099187178,6cyclictest0-21swapper/3809:49:2132
3292899187163,12cyclictest0-21swapper/1209:00:044
3291599187169,4cyclictest171rcu_preempt09:11:200
3291599187169,4cyclictest171rcu_preempt09:11:200
3293999186177,6cyclictest0-21swapper/2011:48:4213
3293999186177,6cyclictest0-21swapper/2011:48:4113
3293999186176,6cyclictest0-21swapper/2009:17:5913
3293999186176,6cyclictest0-21swapper/2009:17:5913
3292899186170,8cyclictest0-21swapper/1210:58:544
3292899186170,8cyclictest0-21swapper/1210:58:544
3295699185177,5cyclictest0-21swapper/3510:42:2029
3295699185177,5cyclictest0-21swapper/3510:42:2029
3295699185177,5cyclictest0-21swapper/3510:42:1929
3294299185180,3cyclictest0-21swapper/2311:25:2016
3294299185180,3cyclictest0-21swapper/2311:25:2016
3294299185180,3cyclictest0-21swapper/2311:25:1916
3293999184178,4cyclictest0-21swapper/2008:40:2613
3296099183171,8cyclictest0-21swapper/3812:15:4832
3296099183171,8cyclictest0-21swapper/3812:15:4732
3293999183178,3cyclictest23315-21systemd12:14:0813
3293999183178,3cyclictest23315-21systemd12:14:0713
3293999183176,5cyclictest0-21swapper/2011:41:3413
3293999183176,5cyclictest0-21swapper/2011:41:3413
3293999183176,5cyclictest0-21swapper/2011:41:3413
3293999183176,4cyclictest0-21swapper/2010:34:1213
3293999183176,4cyclictest0-21swapper/2010:34:1113
3293999183176,4cyclictest0-21swapper/2010:34:1113
3293999183174,5cyclictest3610-21CPU13
3293999183174,5cyclictest3610-21CPU13
3293999183171,9cyclictest0-21swapper/2010:10:1713
3293999183171,9cyclictest0-21swapper/2010:10:1713
3293999183171,9cyclictest0-21swapper/2010:10:1613
3293799183135,39cyclictest0-21swapper/1811:05:4110
3293799183135,39cyclictest0-21swapper/1811:05:4010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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