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2026-05-21 - 03:59
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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 Thu May 21, 2026 01:01:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3742899214208,5cyclictest0-21swapper/1223:44:594
3742899214208,5cyclictest0-21swapper/1223:44:594
3742899214208,5cyclictest0-21swapper/1223:44:594
3742099213195,16cyclictest0-21swapper/521:10:2635
3742099213195,16cyclictest0-21swapper/521:10:2635
3742899209200,6cyclictest4398-21qemu-system-x8623:08:074
3742899209200,6cyclictest4398-21qemu-system-x8623:08:074
3742499208204,2cyclictest0-21swapper/923:25:2039
3742499208204,2cyclictest0-21swapper/923:25:2039
3742899202193,7cyclictest0-21swapper/1223:11:284
3742899202193,7cyclictest0-21swapper/1223:11:274
3743199200193,5cyclictest17483-21nfsd22:50:217
3743199200193,5cyclictest17483-21nfsd22:50:217
3742899200193,5cyclictest0-21swapper/1223:51:194
3742899200193,5cyclictest0-21swapper/1223:51:184
3742899200193,5cyclictest0-21swapper/1223:51:184
3744199199194,3cyclictest0-21swapper/2323:10:2716
3744199199194,3cyclictest0-21swapper/2323:10:2716
3743299199191,5cyclictest0-21swapper/1600:07:118
3743299199191,5cyclictest0-21swapper/1600:07:118
3743299199191,5cyclictest0-21swapper/1600:07:108
3744999198146,46cyclictest0-21swapper/3121:40:4125
3744999198146,46cyclictest0-21swapper/3121:40:4025
3745299197171,10cyclictest0-21swapper/3322:58:3027
3745299197171,10cyclictest0-21swapper/3322:58:3027
3742899197190,5cyclictest0-21swapper/1200:00:224
3742899197190,5cyclictest0-21swapper/1200:00:224
3742899197190,5cyclictest0-21swapper/1200:00:214
3742799197184,10cyclictest0-21swapper/1122:40:153
3742799197184,10cyclictest0-21swapper/1122:40:153
3742799197184,10cyclictest0-21swapper/1122:40:143
3741699197190,5cyclictest0-21swapper/100:03:231
3741699197190,5cyclictest0-21swapper/100:03:231
3741699197190,5cyclictest0-21swapper/100:03:221
3742899196190,4cyclictest0-21swapper/1222:54:264
3742899196190,4cyclictest0-21swapper/1222:54:264
3742899196180,11cyclictest1367-21dbus-daemon22:05:174
3742899196180,11cyclictest1367-21dbus-daemon22:05:174
3741599196186,9cyclictest0-21swapper/019:50:050
3741599196186,9cyclictest0-21swapper/019:50:040
3745199195187,5cyclictest0-21swapper/3221:00:1626
3742899195189,4cyclictest0-21swapper/1223:38:104
3742899195189,4cyclictest0-21swapper/1223:38:104
3742899195189,4cyclictest0-21swapper/1223:38:094
3745699194189,3cyclictest0-21swapper/3721:25:2231
3745699194189,3cyclictest0-21swapper/3721:25:2231
3742899194188,5cyclictest0-21swapper/1222:45:274
3742899194188,5cyclictest0-21swapper/1222:45:274
3742899194188,5cyclictest0-21swapper/1222:45:274
3742899194186,6cyclictest0-21swapper/1221:40:224
3742899194186,6cyclictest0-21swapper/1221:40:214
3742899193185,6cyclictest0-21swapper/1221:50:374
3742899193185,6cyclictest0-21swapper/1221:50:374
3742899193185,6cyclictest0-21swapper/1221:50:374
3742899193181,10cyclictest755-21systemd-journal21:59:414
3742899193181,10cyclictest755-21systemd-journal21:59:414
3742899192185,6cyclictest0-21swapper/1223:20:284
3742899192185,6cyclictest0-21swapper/1223:20:284
3742899192184,6cyclictest0-21swapper/1200:00:014
3742899192184,6cyclictest0-21swapper/1200:00:014
3741599192155,22cyclictest0-21swapper/023:56:490
3741599192155,22cyclictest0-21swapper/023:56:480
3745699191183,6cyclictest0-21swapper/3721:14:1631
3745699191183,6cyclictest0-21swapper/3721:14:1631
3742899191187,2cyclictest0-21swapper/1223:17:344
3742899191187,2cyclictest0-21swapper/1223:17:344
3742899190176,12cyclictest0-21swapper/1222:00:124
3742899190176,12cyclictest0-21swapper/1222:00:114
3745499189130,42cyclictest0-21swapper/3522:59:0329
3745499189130,42cyclictest0-21swapper/3522:59:0229
3742899188179,6cyclictest2462-21CPU4
3742899188179,6cyclictest2462-21CPU4
3745499187126,59cyclictest0-21swapper/3520:19:0529
3745499187126,59cyclictest0-21swapper/3520:19:0529
3742899187180,5cyclictest0-21swapper/1222:43:434
3742899187180,5cyclictest0-21swapper/1222:43:424
3742899187180,5cyclictest0-21swapper/1222:43:424
3745199186180,4cyclictest0-21swapper/3221:00:0226
3745199186180,4cyclictest0-21swapper/3221:00:0126
3742899186180,5cyclictest0-21swapper/1223:34:274
3742899186180,5cyclictest0-21swapper/1223:34:274
3742899186177,5cyclictest2454-21CPU4
3742899186177,5cyclictest2454-21CPU4
3745899185143,11cyclictest0-21swapper/3822:58:3032
3745899185143,11cyclictest0-21swapper/3822:58:3032
3744999185127,55cyclictest0-21swapper/3100:01:5125
3744999185127,55cyclictest0-21swapper/3100:01:5125
3744999185127,55cyclictest0-21swapper/3100:01:5125
3742899185180,2cyclictest3544-21CPU4
3742899185180,2cyclictest3544-21CPU4
3742899185173,9cyclictest0-21swapper/1222:28:494
3742899185173,9cyclictest0-21swapper/1222:28:494
3741599184120,49cyclictest0-21swapper/000:17:000
3741599184120,49cyclictest0-21swapper/000:17:000
3741599184120,49cyclictest0-21swapper/000:16:590
3743399183176,5cyclictest0-21swapper/1719:30:159
3743399183176,5cyclictest0-21swapper/1719:30:159
3742899183178,4cyclictest0-21swapper/1223:00:174
3742899183178,4cyclictest0-21swapper/1223:00:174
3742899183173,8cyclictest0-21swapper/1200:37:514
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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