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2026-05-12 - 18:40
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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 Tue May 12, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5303391750,1EcMasterDemoSyn5310-21grep08:20:074
1837339940,2EcMasterDemoSyn18378-21runintdemo5min07:39:330
2615339910,0EcMasterDemoSyn2616329tAtEmLog_009:00:415
2075439900,0EcMasterDemoSyn2076429tAtEmLog_007:44:375
917539830,0EcMasterDemoSyn918729tAtEmLog_009:15:535
530339830,0EcMasterDemoSyn531329tAtEmLog_008:20:075
244312830,0sleep20-21swapper/210:18:112
1837339830,0EcMasterDemoSyn1838329tAtEmLog_007:39:325
1081139830,0EcMasterDemoSyn1082129tAtEmLog_011:58:105
766039820,0EcMasterDemoSyn767029tAtEmLog_008:25:115
460439820,0EcMasterDemoSyn461429tAtEmLog_009:31:065
2377339820,0EcMasterDemoSyn2378329tAtEmLog_008:55:355
1659439810,0EcMasterDemoSyn1660429tAtEmLog_011:07:275
1583239810,0EcMasterDemoSyn1584229tAtEmLog_007:34:285
186832390,1sleep50-21swapper/509:56:525
571339290,1EcMasterDemoSyn5719-21ps12:13:224
3066339220,0EcMasterDemoSyn30671-21grep10:57:183
4170992118,2cyclictest17466-21kworker/2:0+events07:59:482
417199202,13cyclictest16-1pr/legacy12:13:213
3216739200,0EcMasterDemoSyn0-21swapper/209:46:182
416899196,9cyclictest13362-21runrttasks09:54:300
3160139190,0EcMasterDemoSyn0-21swapper/510:21:495
4170991810,6cyclictest27656-21grep12:25:172
416899180,14cyclictest19002-21sh09:21:210
874899170,15tDemoTimingTask10898-21chrt07:21:295
56399170,13tDemoTimingTask687-21taskset12:28:385
4172991714,2cyclictest18094-21kworker/4:2+events07:24:184
417099170,9cyclictest9301-21rm09:15:572
416899174,10cyclictest26759-21sh09:25:270
416899170,9cyclictest8838-21sh11:03:180
416899170,9cyclictest19446-21apt08:50:110
416899170,14cyclictest32569-21sh09:10:580
3234799170,10tDemoTimingTask5859-21chrt09:14:555
2572799171,9tDemoTimingTask20247-21sleep11:14:555
169429170,10tAtEmLog_04328-21chrt11:54:565
1255299170,10tDemoTimingTask16471-21chrt10:49:565
874899160,14tDemoTimingTask6492-21turbostat07:19:555
417299160,9cyclictest746-21cron11:35:004
417299160,9cyclictest21814-21latency_hist08:55:004
417299160,9cyclictest13222-21diskmemload11:23:474
417099164,8cyclictest12905-21fschecks_time08:35:142
4170991612,3cyclictest8857-21cpuspeed_turbos12:15:132
416999164,8cyclictest20011-21tune2fs08:50:151
416899168,6cyclictest32234-21grep08:05:240
416899164,9cyclictest755-21postgres11:13:180
416899164,9cyclictest29528-21sh12:26:080
416899163,9cyclictest780-21runrttasks07:28:260
416899162,10cyclictest3053-21runrttasks12:30:060
416899162,10cyclictest27688-21sh12:07:220
416899160,9cyclictest8559-21sh09:33:500
416899160,9cyclictest780-21runrttasks09:06:350
416899160,9cyclictest23806-21runrttasks08:55:390
416899160,9cyclictest15250-21sh09:37:110
416899160,7cyclictest174-1kworker/0:1H+kblockd10:10:040
416899160,14cyclictest174-1kworker/0:1H+kblockd12:21:110
416899160,10cyclictest13197-21ssh12:17:170
3026699160,9tDemoTimingTask30279-21chrt08:04:565
2882299160,9tDemoTimingTask28853-21taskset09:05:485
1482099160,9tDemoTimingTask17387-21chrt12:20:015
1082129160,6tAtEmLog_016837-21taskset12:01:035
1071099160,9tDemoTimingTask12170-21taskset08:35:005
417299154,6cyclictest2959-21cat11:35:254
417299150,9cyclictest7720-21grep08:25:134
417199151,9cyclictest31695-21ssh11:51:233
417199151,10cyclictest8599-21/usr/sbin/munin12:15:193
417199151,10cyclictest13969-21runrttasks11:24:193
417199150,9cyclictest3323-21sh08:15:133
417199150,9cyclictest14471-21diskmemload09:55:043
417199150,11cyclictest29548-21sed11:15:003
417099154,8cyclictest510-21grep10:05:142
417099153,8cyclictest7805-21netstat07:15:182
4170991511,3cyclictest6824-21cpuspeed_turbos11:20:142
417099151,10cyclictest780-21runrttasks09:56:242
417099150,9cyclictest9269-21sshd09:51:362
417099150,9cyclictest29556-21switchtime08:00:242
417099150,9cyclictest18040-21ssh11:44:282
417099150,9cyclictest17758-21ssh09:20:302
417099150,11cyclictest18996-21sh10:33:012
417099150,11cyclictest14551-21sh10:12:362
416999158,6cyclictest25588-21grep09:00:211
416999157,6cyclictest3018-21sendmail_mailqu09:30:191
416999154,8cyclictest12733-21awk08:35:121
4169991511,3cyclictest6800-21cpuspeed_turbos09:15:121
416899156,7cyclictest28157-21tune2fs10:20:140
416899154,6cyclictest25646-21date07:55:010
416899153,10cyclictest29882-21cat09:45:180
416899152,9cyclictest22739-21ssh11:29:080
416899152,9cyclictest20771-21sh12:03:480
416899152,10cyclictest3689-21sh11:35:420
416899151,9cyclictest23725-21runrttasks10:17:410
416899151,10cyclictest26355-21ssh11:48:590
416899150,9cyclictest780-21runrttasks08:47:500
416899150,9cyclictest3094-21sh11:18:000
416899150,9cyclictest16736-21ssh09:55:300
416899150,6cyclictest27979-21cat08:00:000
416899150,6cyclictest174-1kworker/0:1H+kblockd08:00:160
1601229150,0tAtEmLog_00-21swapper/508:45:275
1378639150,1EcMasterDemoSyn13784-21ssh09:36:102
417299147,6cyclictest23177-21cron07:50:004
417299143,8cyclictest802-21cpuspeed_turbos08:10:134
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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