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2026-07-28 - 17:00
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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 Tue Jul 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
338121500,5sleep01272399cyclictest14:31:320
1068911030,4ptp4l401ktimersoftd/309:11:283
283992820,4sleep3401ktimersoftd/311:37:423
105732786,14sleep20-21swapper/209:11:222
56502730,4sleep31274199cyclictest14:01:153
106891720,10ptp4l401ktimersoftd/313:40:163
117112714,10sleep00-21swapper/009:11:320
106891670,1ptp4l401ktimersoftd/314:44:573
106891650,1ptp4l401ktimersoftd/312:07:043
106891650,1ptp4l401ktimersoftd/312:07:043
106891630,1ptp4l401ktimersoftd/314:21:333
171042620,4sleep11272899cyclictest14:11:371
110162610,3sleep21273399cyclictest14:39:162
303652590,5sleep030369-21gltestperf12:46:290
197622590,5sleep11272899cyclictest13:08:221
281592580,4sleep21273399cyclictest09:46:202
106891570,1ptp4l401ktimersoftd/309:56:233
106891550,1ptp4l401ktimersoftd/311:54:093
159852540,3sleep2311rcuc/209:21:112
106891540,1ptp4l401ktimersoftd/313:19:483
4262490,2sleep10-21swapper/113:56:071
4262490,2sleep10-21swapper/113:56:071
106891490,2ptp4l9991-21kworker/3:012:57:143
106891480,2ptp4l25897-21kworker/3:214:32:253
12733994632,7cyclictest33-21ksoftirqd/213:06:242
12733994631,7cyclictest33-21ksoftirqd/211:56:232
106891450,1ptp4l401ktimersoftd/312:30:473
12733994330,6cyclictest33-21ksoftirqd/211:36:212
118102433,26sleep111903-21/usr/sbin/munin09:11:331
12733994230,6cyclictest33-21ksoftirqd/214:11:262
106891420,1ptp4l401ktimersoftd/310:42:063
165362410,6sleep016538-21unixbench_singl10:26:370
106891410,1ptp4l401ktimersoftd/313:31:413
278442400,1sleep20-21swapper/209:46:082
12733994028,6cyclictest33-21ksoftirqd/212:11:242
12733994028,6cyclictest33-21ksoftirqd/212:11:242
12733994026,7cyclictest33-21ksoftirqd/213:41:262
106891400,1ptp4l401ktimersoftd/314:30:003
106891400,1ptp4l401ktimersoftd/314:11:393
106891390,1ptp4l401ktimersoftd/314:38:253
106891390,1ptp4l401ktimersoftd/314:09:173
106891390,1ptp4l401ktimersoftd/313:59:273
106891390,1ptp4l401ktimersoftd/313:54:233
106891390,1ptp4l401ktimersoftd/313:54:233
106891390,1ptp4l401ktimersoftd/313:06:113
106891390,1ptp4l401ktimersoftd/311:41:353
106891390,1ptp4l401ktimersoftd/311:27:213
106891390,1ptp4l401ktimersoftd/311:06:353
106891390,0ptp4l401ktimersoftd/313:21:393
12733993824,7cyclictest33-21ksoftirqd/214:26:252
106891380,1ptp4l401ktimersoftd/313:50:353
106891380,1ptp4l401ktimersoftd/313:26:143
106891380,1ptp4l401ktimersoftd/312:13:043
106891380,1ptp4l401ktimersoftd/312:13:043
106891380,1ptp4l401ktimersoftd/312:03:063
106891380,1ptp4l401ktimersoftd/311:25:153
106891370,1ptp4l401ktimersoftd/313:13:053
106891370,1ptp4l401ktimersoftd/312:47:283
106891370,1ptp4l401ktimersoftd/312:41:513
106891370,1ptp4l401ktimersoftd/312:39:563
106891370,1ptp4l401ktimersoftd/312:17:043
106891370,1ptp4l401ktimersoftd/311:50:083
106891370,1ptp4l401ktimersoftd/311:19:133
106891370,0ptp4l401ktimersoftd/310:19:103
87282360,5sleep233-21ksoftirqd/212:23:542
12733993623,6cyclictest33-21ksoftirqd/209:51:182
106891360,1ptp4l401ktimersoftd/313:44:173
106891360,1ptp4l401ktimersoftd/311:01:543
106891350,1ptp4l401ktimersoftd/312:33:273
106891350,1ptp4l401ktimersoftd/311:57:243
106891350,1ptp4l401ktimersoftd/311:34:213
106891350,1ptp4l401ktimersoftd/310:26:353
106891350,0ptp4l401ktimersoftd/310:59:563
12733993427,4cyclictest33-21ksoftirqd/214:01:262
12733993422,6cyclictest33-21ksoftirqd/210:01:212
106891340,1ptp4l401ktimersoftd/312:22:313
307112330,2sleep20-21swapper/213:20:312
1273399325,18cyclictest16124-21ssh11:26:222
12733993227,3cyclictest33-21ksoftirqd/213:36:122
12733993226,3cyclictest33-21ksoftirqd/214:21:302
106891320,1ptp4l401ktimersoftd/310:10:053
106891320,1ptp4l401ktimersoftd/309:54:033
106891320,1ptp4l401ktimersoftd/309:26:373
106891320,0ptp4l401ktimersoftd/310:33:293
12733993126,3cyclictest33-21ksoftirqd/212:36:122
12733993125,3cyclictest33-21ksoftirqd/213:01:302
12733993125,3cyclictest33-21ksoftirqd/211:51:272
12733993125,3cyclictest33-21ksoftirqd/209:56:272
106891310,1ptp4l401ktimersoftd/309:39:513
106891310,0ptp4l401ktimersoftd/309:45:213
12733993024,4cyclictest33-21ksoftirqd/213:51:142
12733993024,3cyclictest33-21ksoftirqd/214:41:342
12733993024,3cyclictest33-21ksoftirqd/211:41:262
12733993018,9cyclictest33-21ksoftirqd/213:26:422
12733993018,6cyclictest33-21ksoftirqd/210:46:222
1272899309,18cyclictest7295-21cron14:36:141
106891300,1ptp4l401ktimersoftd/314:21:013
106891300,1ptp4l401ktimersoftd/313:08:083
106891300,0ptp4l401ktimersoftd/311:15:253
12733992924,3cyclictest33-21ksoftirqd/212:41:262
12733992924,3cyclictest33-21ksoftirqd/210:31:272
12733992924,3cyclictest33-21ksoftirqd/209:21:072
12733992923,3cyclictest33-21ksoftirqd/212:29:482
12728992922,4cyclictest25-21ksoftirqd/109:26:361
106891290,1ptp4l401ktimersoftd/310:21:243
106891290,0ptp4l401ktimersoftd/309:24:063
12733992823,3cyclictest33-21ksoftirqd/213:11:362
12733992823,3cyclictest33-21ksoftirqd/212:21:112
12733992823,3cyclictest33-21ksoftirqd/212:06:112
12733992822,4cyclictest33-21ksoftirqd/211:46:382
12733992822,3cyclictest33-21ksoftirqd/212:11:112
12733992822,3cyclictest33-21ksoftirqd/212:11:112
12733992822,3cyclictest33-21ksoftirqd/211:16:272
12733992818,8cyclictest33-21ksoftirqd/213:36:402
12733992811,4cyclictest33-21ksoftirqd/211:31:402
12733992811,15cyclictest33-21ksoftirqd/214:31:332
12723992817,7cyclictest23680-21ssh13:46:250
12741992720,4cyclictest41-21ksoftirqd/310:38:203
12733992722,3cyclictest33-21ksoftirqd/214:16:282
12733992722,3cyclictest33-21ksoftirqd/213:56:132
12733992722,3cyclictest33-21ksoftirqd/213:56:132
12733992722,3cyclictest33-21ksoftirqd/212:56:262
12733992722,3cyclictest33-21ksoftirqd/212:51:412
12733992722,3cyclictest33-21ksoftirqd/210:26:202
12733992721,3cyclictest33-21ksoftirqd/212:46:262
12733992721,3cyclictest33-21ksoftirqd/212:41:122
12733992721,3cyclictest33-21ksoftirqd/211:21:252
12733992721,3cyclictest33-21ksoftirqd/210:56:382
12733992721,3cyclictest33-21ksoftirqd/210:39:272
12728992721,3cyclictest25-21ksoftirqd/112:24:171
1171122720,3sleep09-21ksoftirqd/011:54:020
106891270,1ptp4l401ktimersoftd/309:48:473
106891270,0ptp4l401ktimersoftd/310:46:493
12741992619,4cyclictest41-21ksoftirqd/312:55:283
12733992621,3cyclictest33-21ksoftirqd/210:41:242
12733992621,3cyclictest33-21ksoftirqd/210:16:272
12733992621,3cyclictest33-21ksoftirqd/210:11:082
12733992620,3cyclictest33-21ksoftirqd/210:21:242
12733992620,3cyclictest33-21ksoftirqd/209:36:242
12723992619,4cyclictest9-21ksoftirqd/010:10:310
106891260,0ptp4l401ktimersoftd/310:15:203
12733992520,3cyclictest33-21ksoftirqd/209:31:192
12733992519,3cyclictest33-21ksoftirqd/214:06:342
12733992519,3cyclictest33-21ksoftirqd/213:56:412
12733992519,3cyclictest33-21ksoftirqd/211:11:302
1272899259,13cyclictest24529-21cstates10:46:241
1272899258,15cyclictest25-21ksoftirqd/113:02:331
12728992520,3cyclictest25-21ksoftirqd/112:46:251
12728992519,3cyclictest25-21ksoftirqd/110:01:361
12728992518,4cyclictest25-21ksoftirqd/110:13:411
1272899250,24cyclictest5262-21kworker/1:314:29:321
12723992519,4cyclictest9-21ksoftirqd/012:51:220
12723992519,3cyclictest9-21ksoftirqd/011:08:380
12723992518,4cyclictest9-21ksoftirqd/010:34:520
24652240,1sleep00-21swapper/011:45:020
12733992419,3cyclictest33-21ksoftirqd/210:56:092
12733992418,3cyclictest33-21ksoftirqd/211:06:282
12733992418,3cyclictest33-21ksoftirqd/209:31:082
12733992417,4cyclictest33-21ksoftirqd/210:15:472
12728992419,3cyclictest25-21ksoftirqd/114:01:351
12728992419,3cyclictest25-21ksoftirqd/113:31:261
12728992418,4cyclictest25-21ksoftirqd/110:26:161
12728992418,3cyclictest25-21ksoftirqd/114:07:361
12728992418,3cyclictest25-21ksoftirqd/111:02:111
12728992417,4cyclictest25-21ksoftirqd/110:34:051
12728992417,4cyclictest25-21ksoftirqd/109:36:401
12723992418,4cyclictest15-21kswork13:56:570
12723992418,3cyclictest9-21ksoftirqd/009:54:410
12723992418,3cyclictest9-21ksoftirqd/009:31:020
12723992417,4cyclictest28900-21fschecks_time13:51:290
12723992417,4cyclictest28900-21fschecks_time13:51:290
12723992416,4cyclictest13519-21latency_hist13:36:130
106891240,1ptp4l401ktimersoftd/310:51:223
106891240,1ptp4l401ktimersoftd/310:01:223
106891240,1ptp4l401ktimersoftd/309:31:273
106891240,1ptp4l401ktimersoftd/309:16:123
12733992318,3cyclictest33-21ksoftirqd/211:06:102
12728992318,3cyclictest25-21ksoftirqd/112:14:221
12728992318,3cyclictest25-21ksoftirqd/112:14:221
12728992318,3cyclictest25-21ksoftirqd/111:00:291
12728992318,3cyclictest25-21ksoftirqd/110:18:191
12728992317,4cyclictest13886-21ssh12:29:241
12728992317,3cyclictest25-21ksoftirqd/112:19:451
12728992316,4cyclictest25-21ksoftirqd/113:20:221
12728992316,4cyclictest25-21ksoftirqd/110:39:071
12728992316,4cyclictest25-21ksoftirqd/110:25:581
1272899230,20cyclictest3067-21ssh11:46:031
12723992318,3cyclictest9-21ksoftirqd/011:51:040
12723992318,3cyclictest9-21ksoftirqd/009:22:430
12723992317,4cyclictest9-21ksoftirqd/010:53:450
12723992317,3cyclictest10025-21turbostat.cron12:26:110
12723992316,4cyclictest9-21ksoftirqd/011:13:460
12723992316,4cyclictest9-21ksoftirqd/011:02:300
12723992316,4cyclictest5166-21cron12:21:110
12723992316,4cyclictest11623-21grep11:21:250
12723992315,4cyclictest13220-21needreboot13:01:320
1272399231,3cyclictest121rcu_preempt14:26:310
257062221,3sleep025709-21snmp_o5powerctl10:46:370
12733992216,3cyclictest33-21ksoftirqd/213:21:282
12728992217,4cyclictest25-21ksoftirqd/109:16:421
12728992216,4cyclictest25-21ksoftirqd/111:18:011
12728992216,3cyclictest25-21ksoftirqd/111:11:141
12728992215,4cyclictest25-21ksoftirqd/109:46:481
12728992214,5cyclictest18494-21cstates12:01:231
12728992213,5cyclictest13645-21missed_timers14:41:361
1272899221,18cyclictest6500-21snmp_o5powerctl10:06:331
1272899220,11cyclictest216712sh13:11:171
12723992216,4cyclictest9-21ksoftirqd/010:59:330
12723992215,4cyclictest9-21ksoftirqd/010:05:330
12723992215,4cyclictest28354-21df_inode09:46:220
12723992215,4cyclictest15631-21fschecks_count12:31:260
12723992214,5cyclictest28475-21df_inode12:11:270
12723992214,5cyclictest28475-21df_inode12:11:270
12723992214,4cyclictest1055-21runrttasks11:40:330
12723992213,5cyclictest5850-21diskmemload13:06:310
12723992213,5cyclictest23629-21fschecks_time12:06:270
12723992213,5cyclictest23629-21fschecks_time12:06:270
182112211,2sleep118221-21ssh12:33:301
12728992116,3cyclictest25-21ksoftirqd/113:23:431
12728992116,3cyclictest25-21ksoftirqd/110:45:491
12728992115,3cyclictest25-21ksoftirqd/111:09:441
1272899211,4cyclictest16704-21hddtemp_smartct09:21:241
12728992114,4cyclictest25-21ksoftirqd/110:00:121
12728992114,4cyclictest20607-21sh14:16:261
12728992114,4cyclictest14605-21sh13:36:311
1272899211,3cyclictest29710-21ssh11:39:551
1272899211,17cyclictest24722-21snmp_o5powerctl12:06:381
1272899211,17cyclictest24722-21snmp_o5powerctl12:06:381
12723992116,3cyclictest9-21ksoftirqd/014:16:340
12723992116,3cyclictest9-21ksoftirqd/013:38:360
12723992115,4cyclictest9-21ksoftirqd/014:13:250
12723992115,4cyclictest9-21ksoftirqd/010:40:220
12723992114,4cyclictest11577-21head10:16:380
12723992114,4cyclictest1055-21runrttasks12:42:250
12723992113,5cyclictest5850-21diskmemload12:03:250
44312200,8sleep1241ktimersoftd/112:52:041
12728992015,3cyclictest25-21ksoftirqd/111:32:301
12728992015,3cyclictest25-21ksoftirqd/111:21:221
1272899201,4cyclictest31804-21snmp_o5powerctl09:51:321
12728992014,3cyclictest47050irq/101-ens3-Tx12:56:351
12728992014,3cyclictest25-21ksoftirqd/110:53:551
12728992014,3cyclictest24985-21/usr/sbin/munin12:41:241
12728992013,4cyclictest28155-21sh14:23:071
12728992013,4cyclictest26537-21cut09:41:271
12728992013,4cyclictest24314-21if_ens313:46:311
12728992013,4cyclictest22399-21cat09:31:351
12728992013,4cyclictest17985-21latency_hist12:01:111
12728992013,4cyclictest17070-21uname11:26:291
1272899201,2cyclictest7917-21ssh13:30:211
1272899200,5cyclictest9145-21rm14:36:391
1272399203,11cyclictest21042-21ssh11:31:240
12723992015,3cyclictest9-21ksoftirqd/012:37:450
12723992015,3cyclictest9-21ksoftirqd/010:23:440
12723992014,3cyclictest632-21df09:56:230
12723992013,4cyclictest9-21ksoftirqd/013:19:250
12723992013,4cyclictest5850-21diskmemload14:26:000
12723992013,4cyclictest27178-21sed09:41:370
12723992013,4cyclictest21895-21/usr/sbin/munin10:41:380
12723992013,4cyclictest21140-21expr09:31:210
12723992013,4cyclictest20910-21sh13:42:120
12723992013,4cyclictest1055-21runrttasks14:36:300
12723992012,5cyclictest5850-21diskmemload12:29:130
12723992012,4cyclictest1055-21runrttasks11:59:110
1272899191,3cyclictest818-21ssh13:56:221
12728991913,3cyclictest19497-21interrupts13:41:331
12728991912,4cyclictest9788-21cut11:51:331
12728991912,4cyclictest4204-21if_err_enp1s011:46:281
1272899191,16cyclictest0-21swapper/112:36:181
12723991914,3cyclictest9-21ksoftirqd/014:42:470
12723991913,3cyclictest7705-21grep12:56:290
12723991913,3cyclictest7305-21sed11:16:300
12723991913,3cyclictest7282-21snmp_o5powerctl14:01:400
12723991912,4cyclictest9590-21latency_hist10:16:080
12723991912,4cyclictest4140-21cstates13:26:250
12723991912,4cyclictest32224-21irqrtprio13:21:310
12723991912,4cyclictest23348-21apt-get09:36:200
12723991912,4cyclictest13118-21/usr/sbin/munin09:16:260
12723991911,4cyclictest26272-21sh13:16:130
12723991812,3cyclictest5850-21diskmemload11:26:390
12723991811,4cyclictest10834-21cat14:06:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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