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2025-12-20 - 17:38
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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 Sat Dec 20, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188821770,4sleep3434899cyclictest09:19:523
334321750,3sleep20-21swapper/207:09:462
2447621680,3sleep3434899cyclictest12:24:473
106891970,36ptp4l401ktimersoftd/307:12:463
26532860,4sleep3434899cyclictest08:14:533
26532860,4sleep3434899cyclictest08:14:533
151822790,1sleep00-21swapper/009:49:400
305192620,2sleep0433099cyclictest10:19:470
20832584,40sleep00-21swapper/007:09:240
106891550,1ptp4l401ktimersoftd/309:39:043
106891490,1ptp4l401ktimersoftd/312:43:063
106891440,13ptp4l14336-21kworker/3:010:09:093
106891440,13ptp4l14336-21kworker/3:010:09:093
106891420,1ptp4l401ktimersoftd/310:16:383
106891410,1ptp4l401ktimersoftd/312:14:413
106891410,16ptp4l401ktimersoftd/310:54:573
4341994013,4cyclictest24332-21sed11:14:482
394623717,10sleep10-21swapper/107:10:471
106891370,1ptp4l401ktimersoftd/307:44:393
106891370,0ptp4l401ktimersoftd/308:19:403
4341993620,13cyclictest33-21ksoftirqd/211:08:472
4341993613,3cyclictest7539-21/usr/sbin/munin07:19:452
4341993612,4cyclictest21681-21grep07:49:232
4341993612,3cyclictest17814-21cat09:54:442
4341993612,3cyclictest13801-21expr08:39:402
106891360,1ptp4l401ktimersoftd/311:09:093
106891360,1ptp4l401ktimersoftd/309:39:413
106891360,1ptp4l401ktimersoftd/308:34:423
434199351,15cyclictest25201-21irqstats12:24:532
106891350,0ptp4l401ktimersoftd/310:47:013
4341993315,4cyclictest33-21ksoftirqd/210:02:392
4341993315,4cyclictest33-21ksoftirqd/210:02:392
4341993311,4cyclictest12654-21awk08:34:562
4330993327,3cyclictest9-21ksoftirqd/008:29:240
106891330,2ptp4l14336-21kworker/3:007:35:333
106891330,1ptp4l401ktimersoftd/312:36:093
106891330,1ptp4l401ktimersoftd/310:53:263
106891330,1ptp4l401ktimersoftd/307:54:533
4341993212,4cyclictest7941-21uptime08:24:552
4341993212,3cyclictest6990-21forks10:39:432
273202320,3sleep2311rcuc/210:14:392
106891320,1ptp4l401ktimersoftd/312:23:093
106891320,1ptp4l401ktimersoftd/311:13:353
106891320,1ptp4l401ktimersoftd/311:03:403
106891320,1ptp4l401ktimersoftd/309:49:593
106891320,1ptp4l401ktimersoftd/308:00:563
106891320,1ptp4l401ktimersoftd/307:22:433
106891320,0ptp4l401ktimersoftd/312:11:383
106891320,0ptp4l401ktimersoftd/310:38:233
4348993126,3cyclictest41-21ksoftirqd/309:44:423
4341993112,3cyclictest33-21ksoftirqd/207:39:112
106891310,1ptp4l401ktimersoftd/311:39:043
106891310,1ptp4l401ktimersoftd/310:34:063
106891310,1ptp4l401ktimersoftd/308:49:443
106891310,1ptp4l401ktimersoftd/308:45:123
106891310,1ptp4l401ktimersoftd/307:31:123
106891310,0ptp4l401ktimersoftd/311:29:443
106891310,0ptp4l401ktimersoftd/310:13:513
106891310,0ptp4l401ktimersoftd/310:13:513
106891310,0ptp4l401ktimersoftd/309:08:523
434199303,8cyclictest3650-21apt-get08:19:372
434199303,7cyclictest4351-21apt-get10:34:402
4341993012,3cyclictest19061-21if_enp1s0.108:49:432
286342300,3sleep0111rcuc/010:14:530
106891300,1ptp4l401ktimersoftd/312:32:513
106891300,1ptp4l401ktimersoftd/310:43:483
106891300,1ptp4l401ktimersoftd/308:32:283
106891300,1ptp4l401ktimersoftd/308:06:053
106891300,0ptp4l401ktimersoftd/308:58:483
106891290,0ptp4l401ktimersoftd/310:24:403
106891290,0ptp4l401ktimersoftd/309:56:123
4348992822,3cyclictest41-21ksoftirqd/307:39:433
4334992823,3cyclictest25-21ksoftirqd/108:44:241
4334992821,4cyclictest25-21ksoftirqd/107:59:371
4330992822,3cyclictest9-21ksoftirqd/010:41:210
106891280,1ptp4l401ktimersoftd/311:47:123
106891280,1ptp4l401ktimersoftd/309:19:233
106891280,1ptp4l401ktimersoftd/308:59:293
4348992722,3cyclictest41-21ksoftirqd/310:24:263
4341992721,3cyclictest33-21ksoftirqd/211:21:282
4334992721,4cyclictest25-21ksoftirqd/107:39:231
4334992721,3cyclictest25-21ksoftirqd/112:20:071
4334992720,4cyclictest25-21ksoftirqd/111:59:401
4334992720,4cyclictest25-21ksoftirqd/111:59:401
4330992720,4cyclictest9-21ksoftirqd/010:38:420
4330992720,4cyclictest9-21ksoftirqd/008:19:150
4330992720,4cyclictest9-21ksoftirqd/008:19:150
4330992720,4cyclictest28750-21ls12:34:300
106891270,1ptp4l401ktimersoftd/309:12:513
106891270,1ptp4l401ktimersoftd/307:25:033
106891270,10ptp4l401ktimersoftd/311:27:063
106891270,10ptp4l401ktimersoftd/309:59:273
106891270,10ptp4l401ktimersoftd/309:59:273
4341992620,3cyclictest33-21ksoftirqd/209:37:162
4341992619,4cyclictest33-21ksoftirqd/212:39:442
4341992619,4cyclictest33-21ksoftirqd/212:37:192
4341992619,4cyclictest33-21ksoftirqd/212:04:232
4341992619,4cyclictest33-21ksoftirqd/212:04:232
4341992619,4cyclictest33-21ksoftirqd/211:58:172
4341992619,4cyclictest33-21ksoftirqd/209:30:512
4341992619,4cyclictest33-21ksoftirqd/209:15:102
4341992619,4cyclictest33-21ksoftirqd/209:08:112
4341992619,4cyclictest33-21ksoftirqd/208:18:572
4341992619,4cyclictest33-21ksoftirqd/208:18:572
4334992621,3cyclictest25-21ksoftirqd/111:10:381
4334992620,4cyclictest25-21ksoftirqd/107:58:211
4334992620,3cyclictest25-21ksoftirqd/112:27:521
4334992620,3cyclictest25-21ksoftirqd/110:12:041
4334992620,3cyclictest25-21ksoftirqd/110:12:041
4334992620,3cyclictest25-21ksoftirqd/107:23:261
4334992619,4cyclictest25-21ksoftirqd/111:06:131
4334992619,4cyclictest25-21ksoftirqd/109:30:261
4330992620,3cyclictest9-21ksoftirqd/012:06:450
4330992620,3cyclictest9-21ksoftirqd/008:06:000
4330992619,4cyclictest9-21ksoftirqd/010:32:110
4330992619,4cyclictest9-21ksoftirqd/009:36:110
4330992619,4cyclictest9-21ksoftirqd/007:18:330
4330992618,4cyclictest16795-21turbostat07:39:230
122872260,4sleep2321ktimersoftd/209:44:202
106891260,1ptp4l401ktimersoftd/309:27:593
106891260,0ptp4l401ktimersoftd/311:16:133
4348992520,3cyclictest41-21ksoftirqd/311:44:283
4348992520,3cyclictest41-21ksoftirqd/308:39:463
4348992519,3cyclictest41-21ksoftirqd/307:51:403
4341992520,3cyclictest33-21ksoftirqd/212:32:412
4341992519,4cyclictest33-21ksoftirqd/209:28:342
4341992519,4cyclictest33-21ksoftirqd/208:09:232
4341992519,3cyclictest33-21ksoftirqd/210:31:082
4341992519,3cyclictest33-21ksoftirqd/209:52:262
4341992519,3cyclictest33-21ksoftirqd/207:42:142
4341992518,4cyclictest33-21ksoftirqd/212:22:412
4341992518,4cyclictest33-21ksoftirqd/211:39:062
4341992518,4cyclictest33-21ksoftirqd/211:11:402
4341992518,4cyclictest33-21ksoftirqd/210:09:012
4341992518,4cyclictest33-21ksoftirqd/210:09:012
4341992518,4cyclictest33-21ksoftirqd/207:55:212
4334992520,3cyclictest25-21ksoftirqd/109:54:251
4334992519,3cyclictest25-21ksoftirqd/111:00:531
4334992519,3cyclictest25-21ksoftirqd/110:53:141
4334992519,3cyclictest25-21ksoftirqd/110:00:021
4334992519,3cyclictest25-21ksoftirqd/110:00:021
4334992518,4cyclictest25-21ksoftirqd/110:38:311
4334992518,4cyclictest25-21ksoftirqd/109:35:161
4334992518,4cyclictest25-21ksoftirqd/109:20:391
433499251,3cyclictest121rcu_preempt11:25:251
4330992519,3cyclictest9-21ksoftirqd/012:11:100
4330992519,3cyclictest9-21ksoftirqd/011:16:390
4330992519,3cyclictest9-21ksoftirqd/010:03:480
4330992519,3cyclictest9-21ksoftirqd/010:03:480
4330992519,3cyclictest9-21ksoftirqd/009:57:380
4330992519,3cyclictest9-21ksoftirqd/009:09:580
4330992519,3cyclictest9-21ksoftirqd/009:02:550
4330992519,3cyclictest9-21ksoftirqd/007:57:150
4330992518,4cyclictest9-21ksoftirqd/012:18:580
4330992518,4cyclictest9-21ksoftirqd/011:10:050
4330992518,4cyclictest9-21ksoftirqd/010:44:360
4330992518,4cyclictest9-21ksoftirqd/009:28:160
4330992518,4cyclictest9-21ksoftirqd/009:23:430
4330992518,4cyclictest9-21ksoftirqd/007:32:430
271852250,2sleep00-21swapper/009:04:480
106891250,1ptp4l401ktimersoftd/312:03:323
106891250,1ptp4l401ktimersoftd/312:03:323
106891250,10ptp4l401ktimersoftd/311:23:143
4341992418,3cyclictest33-21ksoftirqd/208:34:152
4341992417,4cyclictest33-21ksoftirqd/211:48:452
4341992417,4cyclictest33-21ksoftirqd/207:52:522
4334992419,3cyclictest25-21ksoftirqd/112:44:301
4334992419,3cyclictest25-21ksoftirqd/108:59:381
4334992419,3cyclictest25-21ksoftirqd/108:10:041
4334992418,4cyclictest25-21ksoftirqd/112:38:421
4334992418,4cyclictest25-21ksoftirqd/110:45:091
4334992418,4cyclictest25-21ksoftirqd/110:23:041
4334992418,3cyclictest25-21ksoftirqd/109:16:131
4334992417,4cyclictest25-21ksoftirqd/111:34:391
4334992417,4cyclictest25-21ksoftirqd/108:37:391
433099247,15cyclictest9-21ksoftirqd/010:26:230
4330992418,3cyclictest9-21ksoftirqd/012:37:150
4330992418,3cyclictest9-21ksoftirqd/011:08:350
4330992418,3cyclictest9-21ksoftirqd/007:26:070
4330992417,4cyclictest9-21ksoftirqd/011:00:380
4330992417,4cyclictest9-21ksoftirqd/008:39:590
106891240,1ptp4l401ktimersoftd/311:55:013
106891240,1ptp4l401ktimersoftd/308:24:493
106891240,1ptp4l401ktimersoftd/307:14:443
4341992316,4cyclictest33-21ksoftirqd/210:51:082
4341992316,4cyclictest33-21ksoftirqd/207:27:432
4334992317,4cyclictest25-21ksoftirqd/109:42:101
4334992317,3cyclictest25-21ksoftirqd/110:24:421
4334992317,3cyclictest25-21ksoftirqd/109:56:281
4334992316,4cyclictest25-21ksoftirqd/111:23:071
4334992316,4cyclictest25-21ksoftirqd/109:10:191
433099233,17cyclictest20184-21head08:49:550
4330992317,3cyclictest9-21ksoftirqd/011:56:340
4330992317,3cyclictest9-21ksoftirqd/011:41:490
4330992317,3cyclictest9-21ksoftirqd/010:50:220
4330992317,3cyclictest9-21ksoftirqd/010:12:120
4330992317,3cyclictest9-21ksoftirqd/010:12:120
4330992317,3cyclictest9-21ksoftirqd/009:33:420
4330992317,3cyclictest9-21ksoftirqd/008:23:530
4330992317,3cyclictest9-21ksoftirqd/008:01:210
4330992316,4cyclictest9-21ksoftirqd/012:27:490
4330992316,4cyclictest9-21ksoftirqd/010:57:570
4330992316,4cyclictest9-21ksoftirqd/008:36:300
4330992316,4cyclictest31084-21sed11:29:480
211482230,18sleep10-21swapper/108:54:421
106891230,1ptp4l401ktimersoftd/312:04:443
106891230,1ptp4l401ktimersoftd/309:29:413
106891230,1ptp4l401ktimersoftd/308:09:393
4341992216,4cyclictest33-21ksoftirqd/209:23:412
4341992216,3cyclictest33-21ksoftirqd/212:08:032
4341992216,3cyclictest33-21ksoftirqd/210:19:592
4341992216,3cyclictest33-21ksoftirqd/208:10:402
4341992215,4cyclictest33-21ksoftirqd/212:16:432
4341992215,4cyclictest33-21ksoftirqd/210:54:342
4334992217,3cyclictest25-21ksoftirqd/110:34:271
4334992216,4cyclictest25-21ksoftirqd/112:05:261
4334992216,3cyclictest25-21ksoftirqd/111:39:411
4334992216,3cyclictest25-21ksoftirqd/110:05:361
4334992216,3cyclictest25-21ksoftirqd/110:05:361
4334992216,3cyclictest25-21ksoftirqd/107:30:311
4334992215,4cyclictest25-21ksoftirqd/110:17:391
4334992215,4cyclictest25-21ksoftirqd/109:46:111
4330992217,3cyclictest9-21ksoftirqd/008:57:540
4330992216,3cyclictest9-21ksoftirqd/012:40:140
4330992216,3cyclictest9-21ksoftirqd/007:48:120
4330992215,4cyclictest5448-21grep11:44:460
106891220,1ptp4l401ktimersoftd/311:49:403
4341992116,3cyclictest33-21ksoftirqd/211:26:292
4341992116,3cyclictest33-21ksoftirqd/210:11:332
4341992116,3cyclictest33-21ksoftirqd/210:11:332
4341992115,3cyclictest33-21ksoftirqd/209:00:192
4341992114,4cyclictest33-21ksoftirqd/210:26:072
4334992116,3cyclictest25-21ksoftirqd/110:56:451
4334992116,3cyclictest25-21ksoftirqd/107:47:011
4334992115,4cyclictest25-21ksoftirqd/107:16:581
4334992115,3cyclictest8769-21sh10:44:271
4334992115,3cyclictest25-21ksoftirqd/111:54:281
4334992114,4cyclictest25-21ksoftirqd/112:31:361
4334992114,4cyclictest25-21ksoftirqd/107:28:021
4334992114,3cyclictest2445-21ps08:14:471
4334992114,3cyclictest2445-21ps08:14:471
4334992113,4cyclictest0-21swapper/112:09:401
433499211,17cyclictest0-21swapper/107:39:371
4330992116,3cyclictest9-21ksoftirqd/008:10:320
4330992115,3cyclictest9-21ksoftirqd/009:17:240
433099211,4cyclictest11590-21snmp_o5powerctl09:39:510
4330992114,4cyclictest9-21ksoftirqd/009:46:230
4341992015,3cyclictest33-21ksoftirqd/211:02:482
4341992014,4cyclictest33-21ksoftirqd/212:13:422
4341992014,4cyclictest33-21ksoftirqd/211:40:262
4341992014,4cyclictest33-21ksoftirqd/211:30:262
4341992014,3cyclictest33-21ksoftirqd/207:59:362
4341992013,4cyclictest33-21ksoftirqd/209:11:122
4341992013,4cyclictest33-21ksoftirqd/207:15:302
4341992013,4cyclictest20817-21/usr/sbin/munin08:54:472
4341992013,4cyclictest14637-21latency_hist07:34:242
4334992015,3cyclictest25-21ksoftirqd/108:04:401
4334992014,4cyclictest23234-21/usr/sbin/munin11:14:501
4334992014,3cyclictest25-21ksoftirqd/112:19:051
433499201,3cyclictest15624-21apt-get08:44:271
4334992013,4cyclictest8548-21/usr/sbin/munin08:29:371
4334992013,4cyclictest25-21ksoftirqd/109:06:131
433499201,16cyclictest11209-21snmp_o5powerctl11:54:571
4330992015,3cyclictest9-21ksoftirqd/012:19:380
433099201,4cyclictest8095-21hddtemp_smartct07:19:390
433099201,3cyclictest16164-21apt-get08:44:370
433099201,2cyclictest0-21swapper/012:03:580
433099201,2cyclictest0-21swapper/012:03:580
433099201,16cyclictest29415-21snmp_o5powerctl11:24:550
433099200,18cyclictest0-21swapper/008:33:410
434199191,6cyclictest13983-21snmp_o5powerctl09:44:562
4341991913,3cyclictest33-21ksoftirqd/210:48:422
4341991913,3cyclictest17801-21unixbench_singl08:44:542
433499193,10cyclictest6262-21apt-get08:24:381
4334991912,4cyclictest25-21ksoftirqd/108:19:351
433499191,16cyclictest0-21swapper/111:44:351
433499190,3cyclictest30697-21/usr/sbin/munin11:29:451
4330991914,3cyclictest9-21ksoftirqd/007:41:410
4330991912,4cyclictest21849-21apt-get07:49:370
433099191,15cyclictest2069-21users11:34:590
433099190,2cyclictest0-21swapper/011:54:170
433099190,2cyclictest0-21swapper/011:23:090
433099190,17cyclictest0-21swapper/010:06:470
433099190,17cyclictest0-21swapper/010:06:470
84692180,3sleep2311rcuc/211:49:492
4334991812,3cyclictest25-21ksoftirqd/108:54:011
4334991812,3cyclictest21822-21cat07:49:361
4334991811,4cyclictest2859-21/usr/sbin/munin09:24:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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