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2026-07-17 - 18:09
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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 Jul 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3237821680,3sleep3688199cyclictest11:41:093
1068911550,4ptp4l401ktimersoftd/309:09:193
106891730,1ptp4l401ktimersoftd/312:39:443
106891650,1ptp4l401ktimersoftd/313:19:443
139552630,2sleep00-21swapper/011:23:190
277072620,6sleep027709-21cpuspeed_turbos12:10:210
281372610,3sleep3688199cyclictest14:21:203
223892610,2sleep10-21swapper/113:10:281
67042594,44sleep00-21swapper/009:09:190
106891590,1ptp4l401ktimersoftd/314:28:163
41762560,1sleep30-21swapper/313:57:483
98312540,4sleep09835-21timerwakeupswit14:35:390
114092510,2sleep00-21swapper/012:25:340
106891500,1ptp4l401ktimersoftd/311:09:033
102342500,2sleep20-21swapper/212:58:002
65812484,32sleep10-21swapper/109:07:421
658724621,13sleep233-21ksoftirqd/209:07:482
106891440,1ptp4l401ktimersoftd/313:37:313
106891430,0ptp4l401ktimersoftd/311:40:063
106891410,10ptp4l401ktimersoftd/313:51:243
106891400,1ptp4l401ktimersoftd/313:25:363
106891400,1ptp4l401ktimersoftd/311:55:303
106891390,1ptp4l401ktimersoftd/314:07:493
106891390,1ptp4l401ktimersoftd/314:01:053
106891390,1ptp4l401ktimersoftd/314:01:053
106891390,1ptp4l401ktimersoftd/312:56:143
106891390,1ptp4l401ktimersoftd/312:50:493
106891390,1ptp4l401ktimersoftd/312:16:343
106891390,1ptp4l401ktimersoftd/312:16:343
106891390,1ptp4l401ktimersoftd/311:51:383
106891380,1ptp4l401ktimersoftd/313:44:343
106891380,1ptp4l401ktimersoftd/313:34:063
106891380,1ptp4l401ktimersoftd/313:10:453
106891380,1ptp4l401ktimersoftd/313:01:193
106891380,1ptp4l401ktimersoftd/312:32:323
106891380,1ptp4l401ktimersoftd/312:11:333
106891380,1ptp4l401ktimersoftd/312:00:093
106891380,1ptp4l401ktimersoftd/311:25:523
106891380,1ptp4l401ktimersoftd/311:19:023
106891380,1ptp4l401ktimersoftd/311:12:163
106891370,1ptp4l401ktimersoftd/314:35:183
106891370,1ptp4l401ktimersoftd/314:31:243
106891370,1ptp4l401ktimersoftd/314:16:123
106891370,1ptp4l401ktimersoftd/313:46:113
106891370,1ptp4l401ktimersoftd/313:05:483
106891370,1ptp4l401ktimersoftd/312:43:393
106891370,1ptp4l401ktimersoftd/312:06:253
106891370,1ptp4l401ktimersoftd/311:49:513
106891370,1ptp4l401ktimersoftd/311:34:023
6868993625,6cyclictest5014-21ssh12:20:191
252822360,2sleep10-21swapper/113:45:371
106891360,1ptp4l401ktimersoftd/313:21:093
106891360,1ptp4l401ktimersoftd/312:47:363
106891360,1ptp4l401ktimersoftd/312:26:193
106891360,1ptp4l401ktimersoftd/312:21:393
106891360,1ptp4l401ktimersoftd/311:23:233
106891360,0ptp4l401ktimersoftd/314:10:273
132062350,1chrt13208-21unixbench_multi10:25:333
106891350,1ptp4l401ktimersoftd/309:15:333
106891350,0ptp4l401ktimersoftd/310:56:253
106891340,1ptp4l401ktimersoftd/310:05:273
6872993327,3cyclictest33-21ksoftirqd/214:00:092
106891330,2ptp4l9269-21kworker/3:009:45:543
106891330,2ptp4l9269-21kworker/3:009:41:183
106891320,1ptp4l401ktimersoftd/310:00:563
106891320,1ptp4l401ktimersoftd/309:33:063
106891320,0ptp4l401ktimersoftd/309:23:513
6872993126,3cyclictest33-21ksoftirqd/213:15:082
106891310,0ptp4l401ktimersoftd/310:38:523
106891310,0ptp4l401ktimersoftd/310:38:523
6868993025,3cyclictest25-21ksoftirqd/111:20:061
106891300,0ptp4l401ktimersoftd/310:33:103
6881992924,3cyclictest41-21ksoftirqd/309:15:033
6881992923,3cyclictest41-21ksoftirqd/309:40:033
6872992924,3cyclictest33-21ksoftirqd/214:10:292
6872992923,3cyclictest33-21ksoftirqd/210:00:032
6872992922,4cyclictest33-21ksoftirqd/214:18:262
686899298,13cyclictest15407-21ssh11:25:161
6868992924,3cyclictest25-21ksoftirqd/112:50:251
6868992921,4cyclictest25-21ksoftirqd/111:12:041
6872992811,15cyclictest33-21ksoftirqd/211:51:132
6868992823,3cyclictest25-21ksoftirqd/113:40:081
6868992821,5cyclictest25-21ksoftirqd/112:05:251
106891280,0ptp4l401ktimersoftd/311:02:493
6872992722,3cyclictest33-21ksoftirqd/212:20:212
6872992721,3cyclictest33-21ksoftirqd/212:15:272
6872992721,3cyclictest33-21ksoftirqd/212:15:272
6872992721,3cyclictest33-21ksoftirqd/212:05:212
6872992721,3cyclictest33-21ksoftirqd/209:38:412
6872992710,15cyclictest33-21ksoftirqd/213:44:192
6868992721,3cyclictest25-21ksoftirqd/109:50:041
6868992718,6cyclictest25-21ksoftirqd/111:23:161
6868992718,5cyclictest8492-21fschecks_count14:35:251
6863992722,3cyclictest9-21ksoftirqd/009:20:030
6863992721,3cyclictest9-21ksoftirqd/009:35:160
6863992720,4cyclictest9-21ksoftirqd/009:21:070
181612278,3sleep2121rcu_preempt13:39:532
106891270,0ptp4l401ktimersoftd/310:51:133
6872992621,3cyclictest33-21ksoftirqd/211:35:292
6872992620,4cyclictest33-21ksoftirqd/212:35:072
6872992620,3cyclictest33-21ksoftirqd/213:30:282
6872992620,3cyclictest33-21ksoftirqd/213:18:412
6872992619,4cyclictest33-21ksoftirqd/210:39:012
6872992619,4cyclictest33-21ksoftirqd/210:39:012
6872992619,4cyclictest33-21ksoftirqd/210:32:472
6872992619,4cyclictest33-21ksoftirqd/210:26:372
6872992619,4cyclictest33-21ksoftirqd/209:18:442
6872992618,5cyclictest13217-21grep09:20:202
6872992611,3cyclictest33-21ksoftirqd/214:23:362
6868992621,3cyclictest25-21ksoftirqd/111:40:291
6868992619,4cyclictest25-21ksoftirqd/109:55:521
6863992621,3cyclictest9-21ksoftirqd/013:05:200
6863992620,3cyclictest9-21ksoftirqd/010:18:350
106891260,1ptp4l401ktimersoftd/309:56:493
106891260,0ptp4l401ktimersoftd/310:21:113
106891260,0ptp4l401ktimersoftd/309:51:203
6872992520,3cyclictest33-21ksoftirqd/214:30:282
6872992520,3cyclictest33-21ksoftirqd/213:50:202
6872992520,3cyclictest33-21ksoftirqd/211:55:272
6872992520,3cyclictest33-21ksoftirqd/211:30:252
6872992520,3cyclictest33-21ksoftirqd/210:50:262
6872992519,3cyclictest33-21ksoftirqd/212:25:362
6872992519,3cyclictest33-21ksoftirqd/211:47:102
6872992519,3cyclictest33-21ksoftirqd/210:00:542
6872992518,4cyclictest33-21ksoftirqd/211:00:532
6872992518,4cyclictest33-21ksoftirqd/210:18:342
6872992518,4cyclictest33-21ksoftirqd/210:10:592
6868992520,3cyclictest25-21ksoftirqd/113:20:091
6868992520,3cyclictest25-21ksoftirqd/112:20:061
6868992520,3cyclictest25-21ksoftirqd/112:20:061
6868992520,3cyclictest25-21ksoftirqd/109:35:271
6868992519,3cyclictest25-21ksoftirqd/110:00:181
6868992518,5cyclictest25-21ksoftirqd/111:45:201
6868992518,4cyclictest25-21ksoftirqd/110:20:051
6868992518,4cyclictest25-21ksoftirqd/110:19:491
6863992519,3cyclictest9-21ksoftirqd/010:26:550
6863992519,3cyclictest9-21ksoftirqd/010:02:570
6863992519,3cyclictest9-21ksoftirqd/009:32:140
6863992517,6cyclictest32635-21diskmemload12:35:220
106891250,1ptp4l401ktimersoftd/310:40:183
6872992419,3cyclictest33-21ksoftirqd/214:30:102
6872992419,3cyclictest33-21ksoftirqd/212:10:212
6872992419,3cyclictest33-21ksoftirqd/211:40:242
6872992418,3cyclictest33-21ksoftirqd/211:09:562
6872992418,3cyclictest33-21ksoftirqd/209:30:162
6872992417,4cyclictest33-21ksoftirqd/209:41:402
686899244,12cyclictest3277-21ssh14:30:221
6868992419,3cyclictest25-21ksoftirqd/113:20:251
6868992418,4cyclictest25-21ksoftirqd/111:08:071
6868992418,3cyclictest25-21ksoftirqd/114:05:281
6868992418,3cyclictest25-21ksoftirqd/114:00:221
6868992418,3cyclictest25-21ksoftirqd/114:00:221
6868992418,3cyclictest25-21ksoftirqd/113:08:021
6868992417,4cyclictest25-21ksoftirqd/110:34:141
6868992416,5cyclictest25-21ksoftirqd/113:25:341
6863992419,3cyclictest9-21ksoftirqd/012:00:250
6863992418,3cyclictest9-21ksoftirqd/010:50:180
6863992418,3cyclictest9-21ksoftirqd/009:27:290
6863992417,4cyclictest9-21ksoftirqd/012:47:180
6863992417,4cyclictest9-21ksoftirqd/011:17:290
6863992416,5cyclictest25411-21grep11:35:200
6863992411,10cyclictest1320-21processes12:15:310
6863992411,10cyclictest1320-21processes12:15:310
6863992410,4cyclictest12526-21grep14:05:320
60052240,2sleep20-21swapper/212:54:112
2528622417,3sleep09-21ksoftirqd/014:19:540
106891240,1ptp4l401ktimersoftd/310:45:173
106891240,1ptp4l401ktimersoftd/310:10:153
106891240,1ptp4l401ktimersoftd/309:25:153
687299234,16cyclictest26721-21kernelversion10:55:252
6872992318,3cyclictest33-21ksoftirqd/214:00:242
6872992318,3cyclictest33-21ksoftirqd/214:00:242
6872992317,3cyclictest33-21ksoftirqd/213:20:232
6872992317,3cyclictest33-21ksoftirqd/210:09:082
6872992316,4cyclictest33-21ksoftirqd/213:09:132
6872992316,4cyclictest22888-21sh12:37:482
6868992318,3cyclictest25-21ksoftirqd/112:00:251
6868992318,3cyclictest25-21ksoftirqd/109:15:041
6868992317,3cyclictest25-21ksoftirqd/110:45:441
6868992316,3cyclictest25-21ksoftirqd/114:10:391
6868992315,5cyclictest9465-21hddtemp_smartct13:30:261
6868992315,4cyclictest1762-21latency_hist12:50:081
6863992317,3cyclictest9-21ksoftirqd/013:55:240
6863992317,3cyclictest9-21ksoftirqd/010:33:450
6863992317,3cyclictest9-21ksoftirqd/009:55:110
6863992316,4cyclictest9-21ksoftirqd/011:06:490
6863992316,4cyclictest9-21ksoftirqd/010:57:580
6863992316,4cyclictest9-21ksoftirqd/009:41:500
230592230,2sleep10-21swapper/113:44:501
106891230,1ptp4l401ktimersoftd/310:15:293
687299225,4cyclictest15867-21gltestperf11:25:212
6872992217,3cyclictest33-21ksoftirqd/212:45:072
6872992217,3cyclictest33-21ksoftirqd/211:20:222
6872992216,3cyclictest33-21ksoftirqd/213:26:372
6872992216,3cyclictest33-21ksoftirqd/209:49:322
6872992215,4cyclictest33-21ksoftirqd/209:53:002
687299220,20cyclictest0-21swapper/214:08:242
686899223,10cyclictest14863-21ssh12:30:191
6868992217,3cyclictest25-21ksoftirqd/112:40:361
6868992217,3cyclictest25-21ksoftirqd/111:55:261
6868992217,3cyclictest25-21ksoftirqd/110:35:201
6868992217,3cyclictest25-21ksoftirqd/110:35:201
6868992217,3cyclictest25-21ksoftirqd/110:26:491
6868992217,3cyclictest25-21ksoftirqd/109:25:041
6868992216,4cyclictest25-21ksoftirqd/111:34:221
6868992216,4cyclictest25-21ksoftirqd/111:03:171
6868992216,3cyclictest25-21ksoftirqd/110:42:371
6868992215,4cyclictest28380-21sh11:37:441
6863992217,3cyclictest9-21ksoftirqd/013:24:410
6863992216,4cyclictest7221-21cstates12:55:220
6863992216,3cyclictest9-21ksoftirqd/010:14:540
6863992216,3cyclictest25831-21cat09:45:240
6863992216,3cyclictest10351-21tail10:20:250
6863992214,5cyclictest16252-21/usr/sbin/munin10:35:220
6863992214,5cyclictest16252-21/usr/sbin/munin10:35:220
6863992212,7cyclictest32635-21diskmemload13:36:030
686399221,18cyclictest28742-21snmp_o5powerctl09:50:300
6872992115,3cyclictest593-21sh12:48:222
6872992115,3cyclictest33-21ksoftirqd/209:15:032
6868992116,3cyclictest25-21ksoftirqd/112:55:431
6868992115,4cyclictest25-21ksoftirqd/110:57:271
6868992115,4cyclictest25-21ksoftirqd/110:05:441
6868992115,4cyclictest25-21ksoftirqd/109:31:431
6868992115,4cyclictest25-21ksoftirqd/109:20:391
6868992115,3cyclictest1055-21runrttasks12:10:291
6868992114,4cyclictest5696-21ptp4l10:10:251
6868992114,4cyclictest28755-21cstates13:50:221
6868992114,4cyclictest23663-21sh12:39:061
6868992114,4cyclictest1603-21basename13:55:271
6868992114,4cyclictest12173-21sh12:26:151
6868992114,4cyclictest11172-21sh11:53:281
6863992116,3cyclictest9-21ksoftirqd/013:45:270
6863992116,3cyclictest9-21ksoftirqd/010:05:110
6863992116,3cyclictest9-21ksoftirqd/009:13:200
6863992116,3cyclictest24382-21grep12:05:370
6863992115,4cyclictest9-21ksoftirqd/013:00:190
6863992115,3cyclictest9-21ksoftirqd/010:46:410
6863992115,3cyclictest9-21ksoftirqd/010:42:360
6863992114,4cyclictest28445-21expr11:00:180
6863992114,4cyclictest25390-21irqrtprio12:40:250
686399211,17cyclictest0-21swapper/011:50:300
686399210,3cyclictest121rcu_preempt11:45:330
687299207,4cyclictest33-21ksoftirqd/214:36:292
6872992015,3cyclictest18408-21cut12:00:252
6872992014,3cyclictest3685-21sh11:12:392
6872992014,3cyclictest33-21ksoftirqd/213:00:092
6872992014,3cyclictest33-21ksoftirqd/210:40:532
6872992014,3cyclictest25429-21grep13:45:382
6872992013,4cyclictest9461-21expr10:20:182
6872992012,3cyclictest33-21ksoftirqd/210:45:152
687299201,16cyclictest5917-21cut11:15:232
686899206,4cyclictest26049-21cstates14:20:221
6868992016,2cyclictest25-21ksoftirqd/114:25:351
6868992015,3cyclictest47050irq/101-ens3-Tx13:01:001
6868992015,3cyclictest25-21ksoftirqd/114:20:091
6868992015,3cyclictest25-21ksoftirqd/109:50:181
6868992014,3cyclictest25-21ksoftirqd/110:51:141
6868992014,3cyclictest25-21ksoftirqd/109:15:031
6868992014,3cyclictest23621-21processes09:40:261
6863992016,2cyclictest0-21swapper/011:57:040
6863992015,3cyclictest9-21ksoftirqd/014:26:510
6863992015,3cyclictest9-21ksoftirqd/013:25:270
6863992015,3cyclictest9-21ksoftirqd/011:40:540
6863992014,3cyclictest7614-21sendmail_mailtr14:00:320
6863992014,3cyclictest7614-21sendmail_mailtr14:00:320
6863992013,4cyclictest31358-21sh13:52:130
6863992013,4cyclictest19039-21sh14:12:370
6863992012,5cyclictest5210-21cat12:20:210
6863992010,8cyclictest15881-21grep11:25:210
6872991912,4cyclictest17000-21awk09:25:322
6863991914,3cyclictest9-21ksoftirqd/013:30:400
6863991913,3cyclictest9-21ksoftirqd/013:41:350
6863991913,3cyclictest32635-21diskmemload14:34:360
6863991912,4cyclictest32635-21diskmemload12:51:450
6863991912,4cyclictest32635-21diskmemload11:30:250
6863991912,4cyclictest26633-21irqrtprio14:20:280
6863991912,4cyclictest22964-21sed13:10:320
6863991911,4cyclictest15465-21mii-tool12:30:240
686399190,3cyclictest32635-21diskmemload13:16:130
686399190,3cyclictest121rcu_preempt11:10:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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