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2026-08-06 - 11:15
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Thu Aug 06, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911870,5ptp4l401ktimersoftd/321:20:323
1068911870,5ptp4l401ktimersoftd/321:20:323
269682640,2sleep10-21swapper/100:50:091
106891640,1ptp4l401ktimersoftd/300:56:143
106891640,1ptp4l401ktimersoftd/300:56:143
230452560,2sleep30-21swapper/300:11:333
1057499566,19cyclictest27725-21sed01:56:142
106891530,6ptp4l401ktimersoftd/323:35:463
1057499536,19cyclictest19547-21snmp_o5powerctl00:41:202
1057499534,13cyclictest29507-21cat00:51:212
10569995325,8cyclictest25-21ksoftirqd/123:45:521
106891520,2ptp4l7248-21kworker/3:101:35:283
106891520,1ptp4l401ktimersoftd/302:10:143
1057499524,12cyclictest5912-21cstates02:41:112
1056999524,5cyclictest25-21ksoftirqd/123:20:511
10569995223,6cyclictest25-21ksoftirqd/123:51:131
106891510,13ptp4l4903-21kworker/3:200:55:273
1057499514,13cyclictest28252-21sed23:01:182
1057499504,12cyclictest12932-21ssh01:08:192
1057499504,10cyclictest24202-21perl23:41:082
1057499503,11cyclictest27410-21latency_hist00:50:532
10569995021,7cyclictest25-21ksoftirqd/100:35:171
1057499494,11cyclictest20884-21latency_hist21:40:492
1057499492,11cyclictest15766-21latency_hist00:05:532
1057499491,12cyclictest28833-21/usr/sbin/munin23:46:142
1056999494,11cyclictest25-21ksoftirqd/100:11:151
10569994921,5cyclictest25-21ksoftirqd/100:39:021
1057499483,12cyclictest11586-21timerandwakeup22:26:182
1056999483,11cyclictest25-21ksoftirqd/101:40:551
10569994822,4cyclictest25-21ksoftirqd/100:28:221
10569994817,8cyclictest25-21ksoftirqd/101:56:091
106891470,1ptp4l4903-21kworker/3:223:26:103
1057499473,13cyclictest4633-21unixbench_multi22:11:182
1057499472,13cyclictest8228-21sh02:10:382
1056999477,4cyclictest25-21ksoftirqd/121:35:491
1056999474,4cyclictest131rcu_sched21:25:481
10569994723,7cyclictest25-21ksoftirqd/102:35:561
10569994723,4cyclictest25-21ksoftirqd/101:53:291
10569994723,4cyclictest25-21ksoftirqd/100:24:021
10569994720,7cyclictest25-21ksoftirqd/102:20:551
10569994720,5cyclictest25-21ksoftirqd/100:42:091
10569994719,5cyclictest25-21ksoftirqd/101:10:041
106891460,1ptp4l401ktimersoftd/322:51:523
106891460,1ptp4l401ktimersoftd/300:07:473
1057499463,12cyclictest3491-21diskmemload02:26:192
1057499462,13cyclictest5594-21ls22:16:062
10569994623,3cyclictest25-21ksoftirqd/102:01:151
10569994622,4cyclictest25-21ksoftirqd/122:10:501
10569994621,7cyclictest25-21ksoftirqd/123:01:071
10569994619,8cyclictest25-21ksoftirqd/121:55:491
10569994617,11cyclictest25-21ksoftirqd/102:11:111
10569994616,9cyclictest25-21ksoftirqd/122:51:071
1057499457,6cyclictest0-21swapper/200:36:102
1057499451,20cyclictest5995-21sh00:27:322
1057499451,12cyclictest3491-21diskmemload23:32:162
10569994538,4cyclictest25-21ksoftirqd/123:45:561
10569994537,4cyclictest25-21ksoftirqd/123:11:021
10569994537,4cyclictest25-21ksoftirqd/123:11:021
10569994532,4cyclictest25-21ksoftirqd/102:22:171
10569994528,3cyclictest25-21ksoftirqd/122:21:031
10569994527,9cyclictest25-21ksoftirqd/101:17:171
10569994522,8cyclictest25-21ksoftirqd/123:31:231
10569994522,4cyclictest25-21ksoftirqd/102:08:041
10569994522,4cyclictest25-21ksoftirqd/100:54:021
10569994521,8cyclictest25-21ksoftirqd/101:31:141
10569994520,4cyclictest25-21ksoftirqd/100:58:331
10569994520,4cyclictest25-21ksoftirqd/100:58:331
10569994520,10cyclictest25-21ksoftirqd/102:45:561
10569994519,9cyclictest25-21ksoftirqd/102:46:101
10569994517,8cyclictest25-21ksoftirqd/123:30:511
10569994516,4cyclictest25-21ksoftirqd/122:56:081
10569994515,8cyclictest25-21ksoftirqd/100:16:461
10569994514,8cyclictest25-21ksoftirqd/101:50:481
1057499441,11cyclictest0-21swapper/222:41:082
1056999449,3cyclictest25-21ksoftirqd/101:05:401
10569994420,4cyclictest25-21ksoftirqd/121:36:171
10569994419,9cyclictest25-21ksoftirqd/101:11:341
10569994417,7cyclictest25-21ksoftirqd/123:06:101
10569994417,7cyclictest25-21ksoftirqd/123:06:101
10569994417,4cyclictest25-21ksoftirqd/122:46:031
10569994416,9cyclictest25-21ksoftirqd/121:56:101
255822430,3sleep21057499cyclictest01:21:142
1057499436,7cyclictest19467-21chrt00:08:512
1056999436,8cyclictest25-21ksoftirqd/123:36:091
1056999435,7cyclictest25-21ksoftirqd/101:21:071
1056999433,10cyclictest25-21ksoftirqd/122:16:221
10569994320,4cyclictest25-21ksoftirqd/123:56:141
10569994320,4cyclictest25-21ksoftirqd/122:05:501
10569994320,3cyclictest25-21ksoftirqd/123:21:221
10569994320,3cyclictest25-21ksoftirqd/121:25:501
10569994319,4cyclictest25-21ksoftirqd/121:45:491
10569994317,8cyclictest25-21ksoftirqd/100:06:161
10569994314,8cyclictest25-21ksoftirqd/102:36:131
10569994314,8cyclictest25-21ksoftirqd/102:36:131
10569994314,4cyclictest25-21ksoftirqd/122:26:101
10569994313,7cyclictest25-21ksoftirqd/100:04:261
1056999426,8cyclictest25-21ksoftirqd/102:26:131
1056999424,8cyclictest25-21ksoftirqd/101:30:541
10569994232,3cyclictest25-21ksoftirqd/122:35:501
10569994219,8cyclictest25-21ksoftirqd/121:46:161
1040624223,8sleep20-21swapper/221:20:062
1040624223,8sleep20-21swapper/221:20:062
106891410,7ptp4l401ktimersoftd/323:46:483
1057499416,6cyclictest0-21swapper/223:37:232
10569994116,7cyclictest25-21ksoftirqd/101:41:091
106891400,1ptp4l401ktimersoftd/300:41:073
106891400,1ptp4l401ktimersoftd/300:29:073
106891400,16ptp4l401ktimersoftd/302:16:133
1056999404,8cyclictest25-21ksoftirqd/122:36:091
106891390,1ptp4l401ktimersoftd/302:12:313
106891390,1ptp4l401ktimersoftd/301:45:313
1056999394,7cyclictest25-21ksoftirqd/122:15:501
106891380,1ptp4l401ktimersoftd/301:58:003
106891380,1ptp4l401ktimersoftd/300:19:063
106891380,1ptp4l401ktimersoftd/300:02:153
106891380,0ptp4l401ktimersoftd/300:47:223
10569993828,3cyclictest25-21ksoftirqd/122:41:161
106891370,1ptp4l401ktimersoftd/323:56:133
106891370,1ptp4l401ktimersoftd/323:50:553
106891370,1ptp4l401ktimersoftd/323:21:243
106891370,1ptp4l401ktimersoftd/302:48:483
106891370,1ptp4l401ktimersoftd/302:35:493
106891370,1ptp4l401ktimersoftd/302:26:393
106891370,1ptp4l401ktimersoftd/301:53:223
106891370,1ptp4l401ktimersoftd/301:22:553
106891370,1ptp4l401ktimersoftd/301:07:563
106891370,1ptp4l401ktimersoftd/301:02:173
106891370,0ptp4l401ktimersoftd/321:37:183
106891360,1ptp4l401ktimersoftd/323:43:093
106891360,1ptp4l401ktimersoftd/323:38:113
106891360,1ptp4l401ktimersoftd/302:38:163
106891360,1ptp4l401ktimersoftd/302:38:163
106891360,0ptp4l401ktimersoftd/302:43:203
106891360,0ptp4l401ktimersoftd/301:18:503
1057499364,5cyclictest0-21swapper/201:45:262
106891350,1ptp4l401ktimersoftd/302:02:123
106891350,1ptp4l401ktimersoftd/300:22:063
52172340,2sleep00-21swapper/023:54:400
1057499344,17cyclictest10315-21snmp_o5powerctl23:26:202
106891330,1ptp4l401ktimersoftd/322:26:063
106891330,1ptp4l401ktimersoftd/301:27:223
1057499337,6cyclictest2893-21ssh00:57:462
1057499337,6cyclictest2893-21ssh00:57:462
10574993320,6cyclictest18659-21apt-get02:21:052
106891320,1ptp4l401ktimersoftd/321:47:313
106891320,10ptp4l401ktimersoftd/321:51:083
1056999322,8cyclictest25-21ksoftirqd/121:20:481
1056999322,8cyclictest25-21ksoftirqd/121:20:481
106891310,1ptp4l401ktimersoftd/302:21:363
106891310,1ptp4l401ktimersoftd/300:38:063
106891310,0ptp4l401ktimersoftd/323:12:323
106891310,0ptp4l401ktimersoftd/323:12:323
106891310,0ptp4l401ktimersoftd/321:58:353
106891310,0ptp4l401ktimersoftd/301:36:133
1057499315,9cyclictest3267-21users23:51:222
1057499312,19cyclictest0-21swapper/200:32:582
275172300,2sleep00-21swapper/002:30:050
106891300,1ptp4l401ktimersoftd/322:11:003
106891300,1ptp4l401ktimersoftd/321:23:383
106891300,1ptp4l401ktimersoftd/301:46:173
106891300,0ptp4l401ktimersoftd/323:03:543
106891300,0ptp4l401ktimersoftd/323:00:443
106891300,0ptp4l401ktimersoftd/322:50:173
1057499304,12cyclictest21105-21ssh00:11:062
106891290,1ptp4l401ktimersoftd/321:35:303
1057499297,19cyclictest25952-21/usr/sbin/munin21:51:042
1057499292,12cyclictest0-21swapper/202:01:072
1057499291,10cyclictest22580-21if_ens322:51:082
86882285,10sleep00-21swapper/021:16:040
86882285,10sleep00-21swapper/021:16:040
290042281,3sleep00-21swapper/001:25:540
106891280,1ptp4l401ktimersoftd/321:30:373
1057499283,11cyclictest3491-21diskmemload23:58:052
10574992818,7cyclictest8191-21seq01:03:332
10574992812,12cyclictest0-21swapper/222:31:022
1057499281,11cyclictest19735-21ssh01:48:062
1057499281,11cyclictest0-21swapper/222:21:052
1057499280,12cyclictest0-21swapper/201:40:552
10563992823,3cyclictest9-21ksoftirqd/000:41:090
1057499277,16cyclictest31072-21perl22:01:082
10574992716,5cyclictest2072-21apt-get01:31:062
10574992714,6cyclictest23559-21apt-get21:45:592
1057499271,11cyclictest3491-21diskmemload02:14:522
1057499271,11cyclictest0-21swapper/200:16:212
1056399274,14cyclictest6350-21ssh23:56:040
10563992722,3cyclictest9-21ksoftirqd/001:26:060
106891260,1ptp4l401ktimersoftd/322:33:273
106891260,1ptp4l401ktimersoftd/321:43:063
1057499267,16cyclictest24161-21ssh01:52:192
1057499264,5cyclictest0-21swapper/222:46:022
10574992620,3cyclictest33-21ksoftirqd/223:07:482
10574992620,3cyclictest33-21ksoftirqd/223:07:482
1057499261,13cyclictest0-21swapper/221:25:502
1057499260,12cyclictest0-21swapper/202:16:042
10563992620,3cyclictest9-21ksoftirqd/021:45:360
10563992620,3cyclictest9-21ksoftirqd/000:33:210
51722251,20sleep05181-21ssh01:33:330
106891250,9ptp4l401ktimersoftd/323:09:413
106891250,9ptp4l401ktimersoftd/323:09:413
106891250,1ptp4l401ktimersoftd/322:17:203
106891250,1ptp4l401ktimersoftd/322:02:453
106891250,0ptp4l401ktimersoftd/323:19:273
106891250,0ptp4l401ktimersoftd/322:41:243
10584992520,3cyclictest41-21ksoftirqd/322:21:113
1057499258,13cyclictest3206-21ssh00:25:522
10574992512,7cyclictest10826-21apt-get21:21:002
10563992519,3cyclictest14280-21sed23:31:110
10563992514,6cyclictest101ktimersoftd/001:51:060
10563992511,4cyclictest11624-21ls01:06:230
26752240,2sleep20-21swapper/223:16:152
106891240,1ptp4l401ktimersoftd/322:36:123
106891240,1ptp4l401ktimersoftd/301:12:313
106891240,1ptp4l401ktimersoftd/300:31:063
1057499245,16cyclictest12965-21ssh02:47:222
1057499243,18cyclictest0-21swapper/201:18:012
10574992417,4cyclictest33-21ksoftirqd/201:28:362
10574992417,4cyclictest33-21ksoftirqd/201:13:352
10574992410,10cyclictest0-21swapper/221:56:002
1056399244,12cyclictest14842-21ssh01:11:050
10563992419,3cyclictest9-21ksoftirqd/023:22:160
10563992418,4cyclictest9-21ksoftirqd/022:47:550
10563992418,3cyclictest9-21ksoftirqd/022:42:160
106891230,1ptp4l401ktimersoftd/322:06:093
1057499239,11cyclictest18319-21awk21:35:482
1057499236,14cyclictest835-21/usr/sbin/munin02:36:062
1057499236,14cyclictest835-21/usr/sbin/munin02:36:062
1057499236,14cyclictest16218-21snmp_o5powerctl22:36:162
10574992316,4cyclictest33-21ksoftirqd/223:14:112
10574992316,4cyclictest33-21ksoftirqd/223:14:112
10574992311,8cyclictest1967-21snmp_o5powerctl22:06:152
10574992310,9cyclictest29875-21snmp_o5powerctl02:31:212
1057499230,9cyclictest6716-21ssh23:22:592
1056399237,2cyclictest101ktimersoftd/002:17:050
10563992318,3cyclictest14329-21sed21:26:070
10563992318,3cyclictest0-21swapper/022:54:230
10563992317,3cyclictest9-21ksoftirqd/022:35:390
10563992317,3cyclictest9-21ksoftirqd/022:29:560
10563992317,3cyclictest9-21ksoftirqd/021:39:450
10563992317,3cyclictest9-21ksoftirqd/002:24:350
1056399231,4cyclictest16015-21ssh00:05:570
1056399231,19cyclictest14874-21apt-get22:36:030
1056399230,10cyclictest55092timedrift02:06:220
10574992210,9cyclictest0-21swapper/221:40:592
1056399222,13cyclictest64-21kswapd002:36:060
1056399222,13cyclictest64-21kswapd002:36:060
10563992218,2cyclictest0-21swapper/023:17:480
10563992217,3cyclictest9-21ksoftirqd/023:30:510
10563992217,3cyclictest9-21ksoftirqd/022:10:260
10563992216,3cyclictest9-21ksoftirqd/023:14:270
10563992216,3cyclictest9-21ksoftirqd/023:14:270
10563992216,3cyclictest9-21ksoftirqd/023:00:020
10563992215,4cyclictest3974-21sed00:26:080
1056399221,3cyclictest121rcu_preempt01:17:110
1056399221,19cyclictest0-21swapper/002:04:150
1056399221,18cyclictest29439-21hddtemp_smartct23:46:080
1056399221,18cyclictest10295-21snmp_o5powerctl02:11:230
1056399221,12cyclictest26209-21ssh00:16:040
1056399220,20cyclictest3491-21diskmemload00:40:050
10574992110,8cyclictest24904-21iwlist22:56:072
10563992115,3cyclictest9-21ksoftirqd/021:46:130
10563992114,4cyclictest9-21ksoftirqd/023:02:200
10563992114,4cyclictest6930-21phc2sys-jitter02:41:190
10563992113,5cyclictest30617-21cat22:01:030
1056399211,18cyclictest0-21swapper/023:43:420
1056399211,18cyclictest0-21swapper/023:09:590
1056399211,18cyclictest0-21swapper/023:09:590
1056399211,18cyclictest0-21swapper/022:23:100
1056399211,18cyclictest0-21swapper/022:16:300
1056399211,18cyclictest0-21swapper/021:33:450
1056399211,18cyclictest0-21swapper/001:46:230
1056399211,17cyclictest10941-21ssh01:39:430
1056399211,17cyclictest0-21swapper/021:20:530
1056399210,19cyclictest0-21swapper/022:14:100
10563992015,3cyclictest9-21ksoftirqd/002:32:060
10563992015,3cyclictest9-21ksoftirqd/000:51:200
10563992014,3cyclictest4427-21sh01:00:260
10563992014,3cyclictest4427-21sh01:00:260
10563992013,4cyclictest9-21ksoftirqd/001:42:520
10563992013,4cyclictest31093-21cpu00:21:050
10563992013,4cyclictest19092-21grep23:36:090
1056399201,17cyclictest0-21swapper/021:51:580
1056399201,17cyclictest0-21swapper/002:00:470
1056399201,17cyclictest0-21swapper/000:14:410
1056399201,17cyclictest0-21swapper/000:01:010
1056399200,18cyclictest0-21swapper/021:57:180
1056399200,18cyclictest0-21swapper/001:02:100
10563991913,3cyclictest10406-21sh02:45:580
1056399180,4cyclictest3491-21diskmemload00:45:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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