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2026-09-09 - 12:28
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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 rackeslot2.osadl.org (updated Wed Sep 09, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141003522400,2sleep30-21swapper/321:51:213
12103812360,2sleep00-21swapper/019:39:390
117007599274,2cyclictest1470539-21sh22:24:450
1170075992315,7cyclictest24617-21JS14:54:060
2447398210,4rtkit-daemon1641247-21sh00:03:110
117007599214,12cyclictest0-21swapper/000:39:360
117007599213,2cyclictest0-21swapper/023:44:380
117007599213,2cyclictest0-21swapper/023:44:380
1170077992017,1cyclictest0-21swapper/220:38:092
1170075992017,2cyclictest778-21dbus-daemon21:20:020
1170075992012,6cyclictest1276830-21aten_repower_en20:29:210
1170075992012,4cyclictest1367528-21cpuspeed_turbos21:29:360
2213291190,2phc2sys0-21swapper/322:56:133
12428232190,1sleep20-21swapper/220:04:342
1170076991914,3cyclictest1391602-21latency_hist21:40:021
117007599199,6cyclictest1670351-21kthreadcore00:19:380
117007599199,6cyclictest1634113-21grep23:59:370
117007599198,6cyclictest0-21swapper/021:45:010
117007599197,7cyclictest0-21swapper/023:05:010
2213291180,2phc2sys0-21swapper/323:05:593
2213291180,2phc2sys0-21swapper/300:38:043
1170077991815,1cyclictest0-21swapper/222:11:152
1170077991815,1cyclictest0-21swapper/221:53:512
117007699189,3cyclictest1408281-21missed_timers21:49:431
117007699187,9cyclictest376-21systemd-journal22:40:211
117007699186,4cyclictest0-21swapper/122:04:141
117007699185,3cyclictest82050irq/121-eno122:19:161
117007699184,8cyclictest1317478-21perf20:55:001
1170076991815,2cyclictest3889-21cron00:34:551
1170076991815,2cyclictest24610-21gmain22:33:331
1170076991814,3cyclictest1424119-21kthreadcore21:59:391
1170076991813,4cyclictest24617-21JS14:54:061
117007599187,6cyclictest0-21swapper/022:34:250
1170075991810,5cyclictest1677699-21cstates00:24:330
117007599180,3cyclictest1410361-21ssh21:52:070
2213291171,6phc2sys0-21swapper/323:24:153
2213291170,2phc2sys0-21swapper/322:15:283
13106082170,3sleep30-21swapper/320:50:003
117007799171,5cyclictest0-21swapper/223:34:162
1170077991714,1cyclictest0-21swapper/200:28:012
1170077991714,1cyclictest0-21swapper/200:24:382
1170077991713,2cyclictest0-21swapper/223:18:062
1170076991714,2cyclictest24604-21gnome-shell22:07:091
1170076991713,3cyclictest1309311-21kthreadcore20:49:391
1170076991711,2cyclictest82050irq/121-eno123:39:401
1170076991710,3cyclictest1636024-21kthreadcore23:59:401
117007699170,3cyclictest1234592-21basename19:55:011
117007599178,2cyclictest0-21swapper/023:24:400
117007599178,2cyclictest0-21swapper/021:39:350
117007599177,9cyclictest0-21swapper/022:49:190
117007599177,6cyclictest0-21swapper/021:32:210
117007599177,6cyclictest0-21swapper/021:32:210
117007599177,5cyclictest0-21swapper/022:44:370
117007599176,7cyclictest1405734-21kthreadcore21:49:420
117007599176,6cyclictest0-21swapper/022:20:030
117007599175,7cyclictest0-21swapper/023:15:070
117007599175,6cyclictest1193412-1cat19:25:020
1170075991714,2cyclictest24616-21JS14:54:060
1170075991714,2cyclictest171ktimers/000:14:180
117007599171,13cyclictest1-21systemd23:50:020
2213291160,4phc2sys0-21swapper/323:58:133
2213291160,2phc2sys0-21swapper/322:39:003
2213291160,2phc2sys0-21swapper/322:20:163
2213291160,2phc2sys0-21swapper/321:57:413
2213291160,2phc2sys0-21swapper/300:26:283
16942012160,2sleep00-21swapper/000:32:460
1170077991613,1cyclictest0-21swapper/223:49:502
1170077991613,1cyclictest0-21swapper/223:24:562
1170077991613,1cyclictest0-21swapper/222:06:222
1170077991613,1cyclictest0-21swapper/221:59:352
117007699164,7cyclictest1331286-21awk21:05:001
117007699163,8cyclictest1612868-21awk23:45:011
117007699163,8cyclictest1612868-21awk23:45:011
117007699162,5cyclictest24614-21JS14:54:061
1170076991613,2cyclictest24472-21rtkit-daemon23:33:361
1170076991612,3cyclictest1626476-21kthreadcore23:54:381
1170076991612,3cyclictest1582120-21kthreadcore23:29:401
1170076991612,3cyclictest1414946-21kthreadcore21:54:411
1170076991612,3cyclictest1320311-21kthreadcore20:59:391
1170076991612,3cyclictest1288634-21kthreadcore20:34:391
1170076991612,3cyclictest1175813-21kthreadcore19:14:411
117007599169,2cyclictest1613034-21kworker/u16:0-events_unbound00:06:240
117007599167,7cyclictest24615-21JS14:54:060
117007599167,5cyclictest1530707-21kthreadcore22:59:390
117007599165,6cyclictest0-21swapper/021:15:020
117007599165,2cyclictest0-21swapper/022:08:480
117007599161,9cyclictest1431496-21kthreadcore22:04:370
1170075991613,2cyclictest932-1atopacctd23:39:380
1170075991613,2cyclictest61901-21gmain22:27:420
2213291150,2phc2sys0-21swapper/323:38:303
2213291150,2phc2sys0-21swapper/300:05:053
117007799151,7cyclictest0-21swapper/221:34:162
117007799151,7cyclictest0-21swapper/221:34:162
1170077991512,2cyclictest0-21swapper/222:20:022
1170077991512,1cyclictest0-21swapper/222:59:092
1170077991512,1cyclictest0-21swapper/221:24:392
1170077991512,1cyclictest0-21swapper/220:44:402
1170077991512,1cyclictest0-21swapper/200:02:512
117007699157,7cyclictest24615-21JS14:54:061
1170076991512,2cyclictest1651360-21fschecks_time00:09:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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