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2026-05-22 - 08:21
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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 Fri May 22, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1107221630,5sleep31281099cyclictest01:59:223
2992421450,3sleep21280299cyclictest22:19:122
1742221410,3sleep01278999cyclictest20:44:160
1068911040,3ptp4l401ktimersoftd/320:38:093
115222930,4sleep111526-21gltestperf22:44:121
1278999661,34cyclictest5702-21diskmemload22:50:420
98492650,4sleep21280299cyclictest22:42:322
1278999610,32cyclictest8811-21grep01:24:260
106891600,1ptp4l401ktimersoftd/323:44:533
1278999590,2cyclictest0-21swapper/023:27:430
125922593,10sleep20-21swapper/220:37:392
106891590,1ptp4l401ktimersoftd/323:16:193
106891580,1ptp4l401ktimersoftd/322:56:223
1278999571,27cyclictest4163-21awk23:09:110
1278999571,27cyclictest3761-21ssh23:41:220
1278999571,27cyclictest3761-21ssh23:41:220
1278999570,4cyclictest17749-21ssh23:23:370
1278999561,29cyclictest9423-21/usr/sbin/munin23:14:140
1278999561,27cyclictest6355-21snmp_o5powerctl21:29:160
1278999551,27cyclictest0-21swapper/000:57:270
147802530,2sleep10-21swapper/123:53:141
1278999530,29cyclictest14628-21ssh01:30:260
1278999530,27cyclictest29923-21ssh00:40:230
124932534,38sleep00-21swapper/020:36:200
1278999511,28cyclictest2386-21ssh00:45:190
1278999511,27cyclictest22287-21ssh22:54:140
1278999510,28cyclictest13560-21timedrift21:44:210
143291500,5getstats1281099cyclictest00:10:573
1278999501,29cyclictest16167-21ssh00:27:030
1278999500,2cyclictest0-21swapper/001:04:500
1278999491,26cyclictest19003-21sh23:57:030
1278999491,25cyclictest25131-21seq21:02:180
1278999490,2cyclictest0-21swapper/001:56:290
1278999482,39cyclictest30388-21apt-get00:09:070
1278999481,26cyclictest1393-21ssh01:49:280
1278999480,2cyclictest0-21swapper/001:21:200
1278999480,2cyclictest0-21swapper/001:21:200
106891480,1ptp4l401ktimersoftd/323:36:153
1278999470,28cyclictest13934-21ssh22:46:060
1278999470,27cyclictest5702-21diskmemload00:08:270
1278999470,27cyclictest29229-21sed23:34:130
1278999462,36cyclictest20537-21apt-get23:59:070
1278999460,2cyclictest0-21swapper/023:49:350
106891460,0ptp4l401ktimersoftd/301:22:333
106891460,0ptp4l401ktimersoftd/301:22:333
1278999451,32cyclictest5702-21diskmemload02:05:260
1278999451,29cyclictest25000-21ssh01:41:030
1278999450,3cyclictest9632-21ssh23:47:540
1278999450,30cyclictest2270-21ssh23:07:290
1278999450,2cyclictest0-21swapper/000:51:440
1278999450,25cyclictest14791-21taskset20:39:530
1279599448,6cyclictest25-21ksoftirqd/101:47:051
1279599442,8cyclictest25-21ksoftirqd/100:58:031
12795994410,6cyclictest25-21ksoftirqd/123:56:211
1278999441,27cyclictest13389-21ssh02:02:400
1278999440,27cyclictest26049-21ssh00:37:080
1278999440,26cyclictest5702-21diskmemload01:44:380
1278999440,25cyclictest30046-21open_inodes22:19:130
1279599438,7cyclictest25-21ksoftirqd/121:24:101
1279599434,8cyclictest25-21ksoftirqd/100:04:131
1279599430,13cyclictest25-21ksoftirqd/100:00:151
1278999430,28cyclictest30154-21ssh23:03:070
1278999430,25cyclictest29431-21cat21:09:180
1278999430,23cyclictest0-21swapper/022:43:180
1278999430,22cyclictest0-21swapper/000:20:080
1279599423,6cyclictest25-21ksoftirqd/123:29:571
1278999423,21cyclictest9907-1kworker/u9:100:59:330
1278999422,24cyclictest30244-21acpi21:14:020
1278999421,35cyclictest2888-21apt-get00:14:070
1278999421,31cyclictest0-21swapper/021:20:010
1278999421,29cyclictest0-21swapper/001:18:150
1278999421,25cyclictest28019-21timerandwakeup22:14:200
1279599413,7cyclictest25-21ksoftirqd/100:17:101
1279599413,6cyclictest25-21ksoftirqd/122:42:021
1279599410,13cyclictest25-21ksoftirqd/101:24:121
1278999414,21cyclictest15923-1kworker/u9:023:33:050
12789994120,17cyclictest9-21ksoftirqd/021:06:560
1278999411,25cyclictest5702-21diskmemload00:33:500
1278999411,25cyclictest26336-21sensors01:09:200
123302410,2sleep20-21swapper/200:23:542
1279599405,6cyclictest25-21ksoftirqd/101:39:191
12795994012,6cyclictest25-21ksoftirqd/121:14:121
1279599400,12cyclictest25-21ksoftirqd/123:18:191
1279599400,11cyclictest25-21ksoftirqd/101:30:131
1278999403,31cyclictest19247-21apt-get21:59:040
1278999402,32cyclictest18469-21apt-get20:49:020
1278999400,3cyclictest19349-21ssh01:35:040
1278999400,2cyclictest0-21swapper/021:38:310
106891400,1ptp4l401ktimersoftd/322:59:163
106891400,0ptp4l401ktimersoftd/321:29:033
1279599398,5cyclictest25-21ksoftirqd/101:38:091
12795993935,2cyclictest231rcuc/101:04:321
12795993920,9cyclictest25-21ksoftirqd/100:51:461
1279599390,6cyclictest25-21ksoftirqd/123:09:521
1279599390,5cyclictest0-21swapper/101:16:461
1279599390,11cyclictest25-21ksoftirqd/122:53:501
1278999392,31cyclictest0-21swapper/022:29:050
1278999392,29cyclictest21609-21apt-get22:04:030
1278999390,4cyclictest4447-21taskset21:25:530
106891390,1ptp4l401ktimersoftd/300:19:103
1279599383,6cyclictest25-21ksoftirqd/123:26:501
12795993833,3cyclictest231rcuc/101:09:061
12795993821,8cyclictest25-21ksoftirqd/100:31:291
12795993819,5cyclictest25-21ksoftirqd/102:03:551
12795993810,7cyclictest121rcu_preempt00:08:561
12789993812,23cyclictest32097-21sed22:24:110
106891380,1ptp4l401ktimersoftd/323:42:073
106891380,1ptp4l401ktimersoftd/323:42:073
106891380,1ptp4l401ktimersoftd/323:25:013
106891380,1ptp4l401ktimersoftd/323:04:263
106891380,1ptp4l401ktimersoftd/322:49:203
106891380,1ptp4l401ktimersoftd/322:43:003
106891380,1ptp4l401ktimersoftd/301:48:563
106891380,1ptp4l401ktimersoftd/301:27:323
106891380,1ptp4l401ktimersoftd/300:48:533
106891380,1ptp4l401ktimersoftd/300:34:203
106891380,1ptp4l401ktimersoftd/300:25:063
1279599377,6cyclictest25-21ksoftirqd/101:21:581
1279599377,6cyclictest25-21ksoftirqd/101:21:581
12795993710,6cyclictest25-21ksoftirqd/123:21:241
12795993710,6cyclictest25-21ksoftirqd/100:28:491
12789993711,23cyclictest5279-21unixbench_singl22:34:240
106891370,1ptp4l401ktimersoftd/323:58:163
106891370,1ptp4l401ktimersoftd/323:29:303
106891370,1ptp4l401ktimersoftd/323:23:143
106891370,1ptp4l401ktimersoftd/323:13:033
106891370,1ptp4l401ktimersoftd/322:48:033
106891370,1ptp4l401ktimersoftd/321:54:033
106891370,1ptp4l401ktimersoftd/301:57:483
106891370,1ptp4l401ktimersoftd/301:43:573
106891370,1ptp4l401ktimersoftd/301:32:083
106891370,1ptp4l401ktimersoftd/301:16:023
106891370,1ptp4l401ktimersoftd/301:13:333
106891370,1ptp4l401ktimersoftd/301:04:393
106891370,1ptp4l401ktimersoftd/301:02:233
106891370,1ptp4l401ktimersoftd/300:41:453
106891370,1ptp4l401ktimersoftd/300:07:423
106891370,1ptp4l401ktimersoftd/300:01:533
1279599369,6cyclictest25-21ksoftirqd/122:30:531
1279599369,5cyclictest25-21ksoftirqd/100:34:461
12795993632,3cyclictest231rcuc/123:37:461
1279599360,8cyclictest25-21ksoftirqd/101:58:211
106891360,2ptp4l21097-21kworker/3:200:51:103
106891360,1ptp4l401ktimersoftd/301:35:143
106891360,0ptp4l401ktimersoftd/300:33:323
106891360,0ptp4l401ktimersoftd/300:18:233
1279599358,6cyclictest25-21ksoftirqd/121:54:241
1279599353,5cyclictest25-21ksoftirqd/122:15:291
12795993517,8cyclictest25-21ksoftirqd/100:19:311
1279599351,6cyclictest25-21ksoftirqd/123:02:161
1278999352,27cyclictest0-21swapper/021:39:030
1279599349,8cyclictest25-21ksoftirqd/122:19:371
1279599349,7cyclictest25-21ksoftirqd/121:33:201
1279599349,6cyclictest25-21ksoftirqd/123:48:541
1279599349,6cyclictest25-21ksoftirqd/122:34:311
1279599349,6cyclictest25-21ksoftirqd/122:06:401
1279599349,6cyclictest25-21ksoftirqd/121:02:291
1279599348,6cyclictest25-21ksoftirqd/101:53:251
1279599348,5cyclictest25-21ksoftirqd/123:04:551
1279599347,7cyclictest25-21ksoftirqd/121:08:151
1279599347,6cyclictest25-21ksoftirqd/121:58:581
12795993430,2cyclictest231rcuc/121:19:091
12795993430,2cyclictest231rcuc/100:47:161
1279599341,6cyclictest25-21ksoftirqd/122:54:441
12789993412,19cyclictest24245-21df22:09:060
106891340,2ptp4l6891-21kworker/3:222:20:383
106891340,2ptp4l29588-21kworker/3:020:56:003
106891340,1ptp4l401ktimersoftd/302:06:363
1279599339,6cyclictest25-21ksoftirqd/122:13:111
1279599339,6cyclictest25-21ksoftirqd/120:42:381
1279599337,7cyclictest25-21ksoftirqd/120:53:591
12795993329,3cyclictest231rcuc/123:41:051
12795993329,3cyclictest231rcuc/123:41:051
12795993329,2cyclictest231rcuc/121:39:071
12795993329,2cyclictest231rcuc/100:39:531
12795993310,6cyclictest25-21ksoftirqd/121:48:581
12795993310,6cyclictest25-21ksoftirqd/121:48:581
1278999335,24cyclictest17710-21sed21:54:110
1278999331,26cyclictest16179-21sed21:49:200
1278999331,26cyclictest16179-21sed21:49:200
106891330,2ptp4l6891-21kworker/3:221:37:133
106891330,1ptp4l401ktimersoftd/321:27:283
106891330,1ptp4l401ktimersoftd/301:51:283
1279599328,6cyclictest25-21ksoftirqd/121:36:511
1279599328,5cyclictest25-21ksoftirqd/121:12:571
1279599323,6cyclictest25-21ksoftirqd/102:05:401
12795993210,6cyclictest25-21ksoftirqd/101:02:411
1278999321,27cyclictest21186-21grep20:54:070
106891320,1ptp4l401ktimersoftd/323:49:473
106891320,0ptp4l401ktimersoftd/321:23:043
106891310,1ptp4l401ktimersoftd/322:03:173
106891310,1ptp4l401ktimersoftd/321:48:303
135472300,2sleep20-21swapper/200:57:062
1279599309,6cyclictest25-21ksoftirqd/120:47:201
12795993026,2cyclictest231rcuc/122:24:131
106891300,1ptp4l401ktimersoftd/321:06:393
106891300,0ptp4l401ktimersoftd/320:59:243
106891300,0ptp4l401ktimersoftd/320:52:073
12802992922,4cyclictest33-21ksoftirqd/223:44:072
12795992925,2cyclictest231rcuc/120:52:251
106891290,0ptp4l401ktimersoftd/322:26:343
12802992823,3cyclictest33-21ksoftirqd/200:28:562
141882270,2sleep20-21swapper/201:29:422
1280299273,21cyclictest929-21cron22:28:532
12802992721,3cyclictest33-21ksoftirqd/223:39:322
12802992721,3cyclictest33-21ksoftirqd/223:39:322
12802992720,4cyclictest33-21ksoftirqd/200:52:332
12795992722,3cyclictest25-21ksoftirqd/121:44:121
105532275,10sleep10-21swapper/120:33:591
12802992621,3cyclictest33-21ksoftirqd/201:54:032
12802992619,4cyclictest33-21ksoftirqd/221:59:572
12802992619,4cyclictest33-21ksoftirqd/221:30:502
12802992618,5cyclictest22432-21ssh23:28:112
106891260,1ptp4l401ktimersoftd/320:39:043
106891260,0ptp4l401ktimersoftd/322:34:573
294542250,2sleep20-21swapper/223:01:562
265902250,1sleep20-21swapper/200:38:032
12810992518,4cyclictest41-21ksoftirqd/321:50:183
12810992518,4cyclictest41-21ksoftirqd/321:50:183
12810992518,4cyclictest41-21ksoftirqd/321:39:183
12802992519,3cyclictest33-21ksoftirqd/200:31:532
12802992518,4cyclictest33-21ksoftirqd/223:54:272
12802992518,4cyclictest33-21ksoftirqd/223:52:472
12802992518,4cyclictest33-21ksoftirqd/221:37:332
106891250,1ptp4l401ktimersoftd/322:30:133
106891250,1ptp4l401ktimersoftd/322:09:103
106891250,0ptp4l401ktimersoftd/322:14:263
12810992417,4cyclictest41-21ksoftirqd/321:17:553
12802992419,3cyclictest10222-21cut21:39:072
12802992418,3cyclictest33-21ksoftirqd/222:13:022
12802992417,4cyclictest33-21ksoftirqd/222:54:332
12802992417,4cyclictest33-21ksoftirqd/222:35:182
12802992417,4cyclictest33-21ksoftirqd/222:04:432
12802992417,4cyclictest33-21ksoftirqd/221:26:252
12802992417,4cyclictest33-21ksoftirqd/221:04:492
106891240,1ptp4l401ktimersoftd/320:43:523
106891240,0ptp4l401ktimersoftd/300:55:183
12802992317,3cyclictest33-21ksoftirqd/220:45:242
12802992316,4cyclictest33-21ksoftirqd/220:39:362
12802992315,5cyclictest28883-21mailstats00:39:182
106891230,1ptp4l401ktimersoftd/322:04:123
165592223,3sleep2121rcu_preempt02:04:442
12802992217,3cyclictest33-21ksoftirqd/201:09:252
12802992216,3cyclictest33-21ksoftirqd/222:29:352
12802992216,3cyclictest33-21ksoftirqd/221:54:012
12802992216,3cyclictest33-21ksoftirqd/221:14:582
106891220,1ptp4l401ktimersoftd/321:09:013
1280299219,9cyclictest2511-21cstates01:19:122
1280299219,9cyclictest2511-21cstates01:19:122
1280299215,7cyclictest0-21swapper/223:21:522
12802992115,4cyclictest33-21ksoftirqd/220:58:522
12802992115,3cyclictest33-21ksoftirqd/223:37:292
12802992115,3cyclictest33-21ksoftirqd/222:17:532
12802992115,3cyclictest24476-21sh01:08:572
12802992114,4cyclictest33-21ksoftirqd/223:10:072
12802992114,4cyclictest33-21ksoftirqd/223:04:492
12802992114,4cyclictest33-21ksoftirqd/201:14:512
85422200,2sleep20-21swapper/201:24:202
1280299209,8cyclictest32606-21/usr/sbin/munin21:19:072
1280299204,6cyclictest1055-21runrttasks00:44:052
1280299202,15cyclictest17491-21grep01:34:132
12802992015,3cyclictest33-21ksoftirqd/201:46:382
12802992014,4cyclictest16761-21grep00:59:262
12802992014,3cyclictest32613-21ls01:49:152
12802992013,4cyclictest33-21ksoftirqd/220:51:402
12802992013,4cyclictest28960-21missed_timers21:09:102
12802992013,4cyclictest28535-21sh00:06:302
12802992013,4cyclictest22559-21sh23:59:432
12802992013,4cyclictest14907-21sh22:47:442
12802992013,4cyclictest12967-21seq02:01:562
12802992012,5cyclictest20773-21awk22:53:542
1280299201,17cyclictest0-21swapper/223:33:122
12802991914,3cyclictest12369-21df21:44:072
12802991913,3cyclictest4072-21phc2sys00:14:162
12802991912,4cyclictest8495-21cpu23:14:072
12802991912,4cyclictest30592-21expr00:09:082
12802991912,4cyclictest22013-21sh01:38:592
1280299190,17cyclictest0-21swapper/221:49:132
1280299190,17cyclictest0-21swapper/221:49:132
12802991811,4cyclictest24210-21missed_timers20:59:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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