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2026-01-09 - 04:07
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack5slot1.osadl.org (updated Fri Jan 09, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17701391110,3EcMasterDemoSyn17710-21wc20:59:164
1636939920,0EcMasterDemoSyn1637929tAtEmLog_019:48:175
2436139900,0EcMasterDemoSyn2437129tAtEmLog_023:31:245
1831539870,0EcMasterDemoSyn1832229tAtEmLog_022:00:075
1268739860,0EcMasterDemoSyn1269329tAtEmLog_020:49:075
1032839850,0EcMasterDemoSyn0-21swapper/020:44:040
2919939830,0EcMasterDemoSyn2920929tAtEmLog_022:40:415
2919339830,0EcMasterDemoSyn2920329tAtEmLog_023:16:115
1534339830,0EcMasterDemoSyn1535329tAtEmLog_020:54:125
450339820,0EcMasterDemoSyn451329tAtEmLog_019:22:565
287339820,0EcMasterDemoSyn288329tAtEmLog_020:28:515
2346039820,0EcMasterDemoSyn2347029tAtEmLog_020:03:305
2003939820,0EcMasterDemoSyn2004929tAtEmLog_023:11:075
1743739820,0EcMasterDemoSyn1744729tAtEmLog_021:24:385
112339820,0EcMasterDemoSyn113329tAtEmLog_023:36:285
2243539810,0EcMasterDemoSyn2244529tAtEmLog_021:09:255
1522039810,0EcMasterDemoSyn1523029tAtEmLog_023:26:205
1163439810,0EcMasterDemoSyn1164429tAtEmLog_019:38:095
2242939710,0EcMasterDemoSyn2243929tAtEmLog_021:49:585
144539280,1EcMasterDemoSyn1453-21runintdemo5min22:25:282
287339260,1EcMasterDemoSyn2880-21grep20:28:512
2920929250,0tAtEmLog_00-21swapper/522:45:455
284382210,0sleep30-21swapper/322:40:223
49732190,1sleep00-21swapper/023:20:330
30061991913,4cyclictest327-21systemd-journal22:10:002
3005999190,9cyclictest32213-21sh23:53:580
3006299181,13cyclictest16-1pr/legacy21:14:273
3005999186,9cyclictest807-21postgres21:11:530
3005999180,9cyclictest12446-21sh22:31:440
3005999180,10cyclictest320-21sh23:35:570
2761499180,8tDemoTimingTask31314-21chrt22:06:375
3176999170,7tDemoTimingTask3902-21chrt21:51:455
3006399171,12cyclictest16-1pr/legacy20:54:114
3006399170,6cyclictest1281-21cron23:55:004
30061991713,3cyclictest24209-21grep21:10:162
3006099179,6cyclictest24622-21ssh00:25:141
30060991713,3cyclictest27286-21cron21:30:011
3005999174,9cyclictest7592-21sh22:29:430
3005999174,6cyclictest1088-21entropy00:30:150
3005999173,10cyclictest13678-21sh00:00:540
3005999170,9cyclictest4576-21sh22:45:180
3005999170,9cyclictest31980-21runrttasks22:42:360
3005999170,9cyclictest19504-21sh23:46:240
3005999170,9cyclictest13438-21ssh21:56:580
3005999170,12cyclictest831-21runrttasks22:24:160
3005999170,10cyclictest7088-21cat20:35:230
2980899170,7tDemoTimingTask32045-21chrt19:11:125
2980899170,14tDemoTimingTask29885-21chrt19:08:235
1771299170,10tDemoTimingTask17789-21chrt20:59:555
1402429170,10tAtEmLog_014451-21taskset19:44:595
990629160,9tAtEmLog_09989-21chrt00:17:055
520429160,6tAtEmLog_09004-21taskset00:34:565
3006399161,11cyclictest16-1pr/legacy21:09:244
3006399160,9cyclictest16432-21sh21:59:034
3006299164,8cyclictest11221-21grep21:20:243
3006199164,9cyclictest744-21snmpd23:17:532
3006099164,8cyclictest28755-21cpu20:15:121
3006099163,9cyclictest4461-21processes20:30:221
30060991612,3cyclictest3804-21sh22:10:001
3005999166,8cyclictest26823-21runrttasks21:29:430
3005999164,9cyclictest327-21systemd-journal20:53:430
3005999164,9cyclictest1409-21sh23:00:510
3005999164,10cyclictest13646-21cat23:25:240
3005999161,10cyclictest27928-21sh00:26:460
3005999160,9cyclictest831-21runrttasks19:11:110
3005999160,7cyclictest21526-21cat20:00:000
3005999160,11cyclictest13792-21ssh00:19:440
928799150,6tDemoTimingTask9389-21chrt19:34:045
3006399154,8cyclictest807-21postgres23:57:004
3006399152,9cyclictest30253-21sh22:41:244
3006399150,9cyclictest29060-21/usr/sbin/munin00:10:154
3006399150,9cyclictest25846-21sh00:08:074
3006399150,8cyclictest23576-21ssh23:13:354
3006399150,11cyclictest23950-21rm23:31:074
30062991511,3cyclictest17821-21cron22:00:003
3006299151,10cyclictest20631-21runrttasks22:19:013
3006299150,9cyclictest31188-21sh23:17:333
3006299150,11cyclictest22209-21expr20:00:133
3006199157,6cyclictest11322-21find00:35:232
3006199155,8cyclictest21540-21/usr/sbin/munin21:05:192
3006199154,8cyclictest7673-21fschecks_time23:40:152
3006199154,8cyclictest760-21lldpd23:29:172
3006199150,9cyclictest6796-21ssh22:10:412
3006199150,6cyclictest2261-21runrttasks23:01:242
3006199150,11cyclictest831-21runrttasks19:31:192
3006199150,10cyclictest14042-21runrttasks21:57:232
3006099155,8cyclictest19558-21/usr/sbin/munin19:55:131
3006099153,8cyclictest31529-21mailstats19:10:181
3006099151,10cyclictest8746-21df20:40:121
3006099151,10cyclictest8443-21sh22:11:491
3006099150,9cyclictest22307-21if_err_enp5s020:00:131
3006099150,11cyclictest21027-21sh22:54:511
3006099150,11cyclictest21027-21sh22:54:501
3006099150,11cyclictest10015-21cstates00:35:121
3005999157,2cyclictest0-21swapper/022:55:010
3005999156,7cyclictest21675-21grep23:30:140
3005999156,7cyclictest15331-21sshd00:38:000
3005999156,4cyclictest175-1kworker/0:1H+kblockd20:05:200
3005999153,8cyclictest831-21runrttasks20:17:470
30059991511,3cyclictest717-21in:imuxsock21:00:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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