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2026-03-16 - 19:29
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Mon Mar 16, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1193523960,4sleep30-21swapper/307:57:193
2088921540,4sleep11372599cyclictest13:32:111
150652950,4sleep115063-21ssh11:47:281
148102730,2sleep10-21swapper/108:02:221
260192700,2sleep00-21swapper/010:52:350
210632600,3sleep1241ktimersoftd/112:27:151
122252603,46sleep212466-21sed07:57:232
36642590,4sleep31373699cyclictest11:02:383
25552570,3sleep30-21swapper/311:35:063
23452570,4sleep31373699cyclictest13:12:303
194602570,1sleep00-21swapper/013:30:180
275402560,1sleep20-21swapper/209:37:052
13730995645,5cyclictest33-21ksoftirqd/212:12:202
147122550,2sleep00-21swapper/013:25:360
164102540,2sleep10-21swapper/111:17:011
164102540,2sleep10-21swapper/111:17:011
1373699544,11cyclictest15683-21ssh11:47:373
38792520,2sleep00-21swapper/010:31:230
39902510,2sleep10-21swapper/109:52:341
115162510,1sleep10-21swapper/112:49:441
1373699502,12cyclictest18942-21/usr/sbin/munin12:57:253
143291480,4getstats1373699cyclictest09:20:263
1373699457,6cyclictest27241-21apt-key09:36:183
1373699441,12cyclictest14832-21irqrtprio08:02:223
1373699426,5cyclictest25766-21latency_hist12:32:103
1373699420,9cyclictest16362-21fschecks_count13:27:263
13730994026,3cyclictest33-21ksoftirqd/213:32:112
106891390,1ptp4l401ktimersoftd/311:39:433
106891380,1ptp4l401ktimersoftd/312:40:463
106891380,1ptp4l401ktimersoftd/311:13:153
106891380,1ptp4l401ktimersoftd/311:13:153
106891380,1ptp4l401ktimersoftd/310:46:303
106891370,1ptp4l401ktimersoftd/313:17:473
106891370,1ptp4l401ktimersoftd/312:56:053
106891370,1ptp4l401ktimersoftd/312:47:463
106891370,1ptp4l401ktimersoftd/312:00:103
106891370,1ptp4l401ktimersoftd/311:53:433
106891370,1ptp4l401ktimersoftd/311:43:013
106891370,1ptp4l401ktimersoftd/311:31:003
106891370,1ptp4l401ktimersoftd/311:17:473
106891370,1ptp4l401ktimersoftd/310:50:033
106891370,1ptp4l401ktimersoftd/310:33:003
106891370,1ptp4l401ktimersoftd/310:20:083
106891370,1ptp4l401ktimersoftd/310:06:213
106891370,0ptp4l401ktimersoftd/313:07:353
106891370,0ptp4l401ktimersoftd/313:07:353
98142360,2sleep20-21swapper/211:09:352
98142360,2sleep20-21swapper/211:09:352
106891360,1ptp4l401ktimersoftd/312:20:013
106891360,1ptp4l401ktimersoftd/312:13:133
106891360,1ptp4l401ktimersoftd/311:22:463
106891360,1ptp4l401ktimersoftd/311:11:383
106891360,1ptp4l401ktimersoftd/311:11:383
106891360,1ptp4l401ktimersoftd/310:57:553
106891360,1ptp4l401ktimersoftd/310:27:413
106891360,1ptp4l401ktimersoftd/309:57:293
106891360,0ptp4l401ktimersoftd/310:56:593
106891360,0ptp4l401ktimersoftd/310:16:353
106891360,0ptp4l401ktimersoftd/310:07:533
13730993529,3cyclictest33-21ksoftirqd/213:02:102
106891350,1ptp4l401ktimersoftd/313:07:093
106891350,1ptp4l401ktimersoftd/312:23:293
106891350,1ptp4l401ktimersoftd/310:41:033
106891350,1ptp4l401ktimersoftd/309:41:053
106891350,1ptp4l401ktimersoftd/309:41:053
106891350,0ptp4l401ktimersoftd/312:10:543
13730993429,3cyclictest33-21ksoftirqd/210:17:072
1349923413,11sleep09-21ksoftirqd/008:00:320
106891340,1ptp4l401ktimersoftd/312:05:323
106891340,1ptp4l401ktimersoftd/310:22:463
13730993226,3cyclictest33-21ksoftirqd/210:12:062
13725993225,4cyclictest25-21ksoftirqd/110:07:211
13720993215,6cyclictest9-21ksoftirqd/012:13:530
143052310,2sleep30-21swapper/309:07:273
13730993126,3cyclictest33-21ksoftirqd/209:12:042
13730993124,4cyclictest33-21ksoftirqd/211:42:272
13730993120,6cyclictest33-21ksoftirqd/211:37:192
13730993120,4cyclictest33-21ksoftirqd/208:37:162
13725993125,3cyclictest25-21ksoftirqd/111:12:071
13725993125,3cyclictest25-21ksoftirqd/111:12:071
13725993125,3cyclictest25-21ksoftirqd/109:52:051
13720993126,3cyclictest9-21ksoftirqd/012:27:100
13720993120,6cyclictest9-21ksoftirqd/013:17:210
135742315,15sleep10-21swapper/108:01:301
13730993024,3cyclictest33-21ksoftirqd/211:52:082
13725993025,3cyclictest25-21ksoftirqd/113:07:101
13725993024,3cyclictest25-21ksoftirqd/113:12:101
13725993024,3cyclictest25-21ksoftirqd/113:12:101
13725993024,3cyclictest25-21ksoftirqd/109:47:051
13725993021,7cyclictest25-21ksoftirqd/110:02:261
13725993019,9cyclictest25-21ksoftirqd/112:07:341
13720993024,3cyclictest9-21ksoftirqd/011:37:180
13720993024,3cyclictest9-21ksoftirqd/011:12:260
13720993024,3cyclictest9-21ksoftirqd/011:12:260
13720993015,6cyclictest9-21ksoftirqd/008:17:260
13730992924,3cyclictest33-21ksoftirqd/212:52:102
13730992924,3cyclictest33-21ksoftirqd/209:17:052
13730992923,3cyclictest33-21ksoftirqd/212:07:092
13730992923,3cyclictest33-21ksoftirqd/211:57:272
13730992923,3cyclictest33-21ksoftirqd/209:12:242
13730992923,3cyclictest33-21ksoftirqd/208:52:042
13730992923,3cyclictest33-21ksoftirqd/208:17:032
13730992919,8cyclictest33-21ksoftirqd/209:47:162
13730992918,9cyclictest33-21ksoftirqd/211:21:422
13730992918,4cyclictest33-21ksoftirqd/211:22:192
13725992924,3cyclictest25-21ksoftirqd/113:02:101
13725992921,6cyclictest25-21ksoftirqd/110:17:211
13720992924,2cyclictest9-21ksoftirqd/013:02:100
13720992923,3cyclictest9-21ksoftirqd/013:07:240
13720992923,3cyclictest9-21ksoftirqd/013:07:240
106891290,1ptp4l401ktimersoftd/313:25:543
1373699286,6cyclictest30113-21ssh12:36:163
13730992823,3cyclictest33-21ksoftirqd/212:52:292
13730992823,3cyclictest33-21ksoftirqd/210:02:242
13730992823,3cyclictest33-21ksoftirqd/209:57:252
13730992823,3cyclictest33-21ksoftirqd/208:07:212
13730992822,3cyclictest33-21ksoftirqd/213:17:222
13730992822,3cyclictest33-21ksoftirqd/212:27:222
13730992822,3cyclictest33-21ksoftirqd/212:22:272
13730992822,3cyclictest33-21ksoftirqd/212:17:102
13730992822,3cyclictest33-21ksoftirqd/212:07:172
13730992822,3cyclictest33-21ksoftirqd/210:22:072
13730992821,3cyclictest33-21ksoftirqd/211:57:092
13730992821,3cyclictest33-21ksoftirqd/208:52:182
13725992823,3cyclictest25-21ksoftirqd/110:42:341
13725992822,3cyclictest25-21ksoftirqd/112:32:291
13725992822,3cyclictest25-21ksoftirqd/112:17:091
13725992822,3cyclictest25-21ksoftirqd/110:17:061
13725992821,4cyclictest25-21ksoftirqd/108:37:231
1372599280,3cyclictest121rcu_preempt08:17:261
13720992823,3cyclictest9-21ksoftirqd/011:32:080
13720992823,3cyclictest9-21ksoftirqd/011:07:250
13720992823,3cyclictest9-21ksoftirqd/011:07:250
13720992823,3cyclictest9-21ksoftirqd/010:47:250
13720992822,3cyclictest9-21ksoftirqd/011:17:260
13730992722,3cyclictest33-21ksoftirqd/213:07:102
13730992722,3cyclictest33-21ksoftirqd/211:32:282
13730992722,3cyclictest33-21ksoftirqd/211:27:252
13730992722,3cyclictest33-21ksoftirqd/210:47:082
13730992722,3cyclictest33-21ksoftirqd/210:32:362
13730992722,3cyclictest33-21ksoftirqd/208:57:172
13730992722,3cyclictest33-21ksoftirqd/208:32:232
1373099272,22cyclictest26807-21cut08:27:202
13730992721,3cyclictest33-21ksoftirqd/211:12:262
13730992721,3cyclictest33-21ksoftirqd/211:12:262
13730992721,3cyclictest33-21ksoftirqd/210:57:242
13730992721,3cyclictest33-21ksoftirqd/209:37:242
13730992721,3cyclictest33-21ksoftirqd/209:37:242
1373099271,5cyclictest0-21swapper/212:44:282
13725992722,3cyclictest25-21ksoftirqd/113:22:251
13725992722,3cyclictest25-21ksoftirqd/112:52:281
13725992722,3cyclictest25-21ksoftirqd/112:22:241
13725992722,3cyclictest25-21ksoftirqd/112:07:091
13725992722,3cyclictest25-21ksoftirqd/111:02:071
13725992722,3cyclictest25-21ksoftirqd/110:32:191
13725992722,3cyclictest25-21ksoftirqd/108:12:031
13725992721,4cyclictest25-21ksoftirqd/109:17:051
13725992721,3cyclictest25-21ksoftirqd/112:17:231
13725992721,3cyclictest25-21ksoftirqd/111:57:091
13725992721,3cyclictest25-21ksoftirqd/111:42:271
13725992721,3cyclictest25-21ksoftirqd/108:22:211
13725992721,3cyclictest25-21ksoftirqd/108:12:191
13725992715,9cyclictest25-21ksoftirqd/110:01:391
13720992722,3cyclictest9-21ksoftirqd/008:07:030
13720992721,3cyclictest9-21ksoftirqd/008:32:230
1372099270,24cyclictest3685-21ssh11:02:380
1373699263,6cyclictest41-21ksoftirqd/312:44:163
13736992619,4cyclictest41-21ksoftirqd/309:45:373
13736992619,4cyclictest41-21ksoftirqd/309:15:063
13736992613,6cyclictest31257-21apt-get08:37:163
13730992621,3cyclictest33-21ksoftirqd/211:02:242
13730992621,3cyclictest33-21ksoftirqd/210:57:072
13730992621,3cyclictest33-21ksoftirqd/210:27:302
13730992620,4cyclictest33-21ksoftirqd/212:37:392
13730992620,3cyclictest33-21ksoftirqd/213:17:112
13730992620,3cyclictest33-21ksoftirqd/213:07:402
13730992620,3cyclictest33-21ksoftirqd/213:07:402
13730992620,3cyclictest33-21ksoftirqd/210:47:252
13730992620,3cyclictest33-21ksoftirqd/210:22:252
13730992619,3cyclictest33-21ksoftirqd/208:17:332
13730992612,11cyclictest2951-21sh09:52:222
13725992622,3cyclictest25-21ksoftirqd/111:21:181
13725992621,3cyclictest25-21ksoftirqd/112:47:091
13725992621,3cyclictest25-21ksoftirqd/111:37:201
13725992620,3cyclictest25-21ksoftirqd/110:37:201
13725992619,4cyclictest25-21ksoftirqd/111:25:241
13725992619,4cyclictest25-21ksoftirqd/108:32:041
13720992621,3cyclictest9-21ksoftirqd/012:42:200
13720992621,3cyclictest9-21ksoftirqd/009:42:240
13720992620,3cyclictest9-21ksoftirqd/011:46:230
13720992620,3cyclictest9-21ksoftirqd/010:01:040
13720992620,3cyclictest9-21ksoftirqd/009:02:120
13720992619,4cyclictest28828-21tail09:37:260
13720992619,4cyclictest28828-21tail09:37:260
13720992614,3cyclictest9-21ksoftirqd/010:22:070
1372099261,2cyclictest0-21swapper/010:12:240
1372099260,6cyclictest121rcu_preempt12:20:300
1373699256,5cyclictest0-21swapper/308:22:183
13736992519,3cyclictest41-21ksoftirqd/308:48:043
13736992518,4cyclictest41-21ksoftirqd/308:20:143
13736992512,7cyclictest5951-21apt-get08:52:173
13730992520,3cyclictest33-21ksoftirqd/210:37:362
13730992519,4cyclictest33-21ksoftirqd/212:35:152
13730992519,3cyclictest33-21ksoftirqd/209:02:172
13730992519,3cyclictest33-21ksoftirqd/208:22:212
13725992520,3cyclictest25-21ksoftirqd/110:27:321
13725992519,4cyclictest25-21ksoftirqd/108:43:211
13725992519,3cyclictest25-21ksoftirqd/113:12:231
13725992519,3cyclictest25-21ksoftirqd/111:32:271
13725992519,3cyclictest25-21ksoftirqd/110:52:201
13725992519,3cyclictest25-21ksoftirqd/110:47:251
13725992519,3cyclictest25-21ksoftirqd/109:37:171
13725992519,3cyclictest25-21ksoftirqd/109:37:171
13725992519,3cyclictest25-21ksoftirqd/108:53:311
13720992520,3cyclictest9-21ksoftirqd/013:02:240
13720992520,3cyclictest9-21ksoftirqd/012:07:190
13720992519,3cyclictest9-21ksoftirqd/009:14:150
13720992519,3cyclictest9-21ksoftirqd/008:07:140
13736992418,3cyclictest41-21ksoftirqd/309:24:223
13736992418,3cyclictest41-21ksoftirqd/308:27:293
13730992419,3cyclictest33-21ksoftirqd/209:42:242
13730992419,3cyclictest33-21ksoftirqd/208:02:222
13730992418,3cyclictest33-21ksoftirqd/213:22:362
13730992418,3cyclictest33-21ksoftirqd/209:27:222
13725992419,3cyclictest25-21ksoftirqd/111:02:111
13725992419,3cyclictest25-21ksoftirqd/108:57:221
13725992418,3cyclictest25-21ksoftirqd/113:17:281
13725992418,3cyclictest25-21ksoftirqd/111:27:251
13725992418,3cyclictest25-21ksoftirqd/109:28:571
13725992418,3cyclictest25-21ksoftirqd/109:26:061
13725992418,3cyclictest25-21ksoftirqd/109:17:351
13725992418,3cyclictest25-21ksoftirqd/109:07:171
13720992420,3cyclictest9-21ksoftirqd/010:07:330
13720992419,3cyclictest9-21ksoftirqd/012:30:540
13720992419,3cyclictest9-21ksoftirqd/010:32:260
13720992419,3cyclictest9-21ksoftirqd/010:22:330
13720992418,4cyclictest9-21ksoftirqd/012:37:220
13720992418,3cyclictest9-21ksoftirqd/012:52:090
13720992418,3cyclictest9-21ksoftirqd/012:06:270
13720992418,3cyclictest9-21ksoftirqd/010:57:210
13720992417,4cyclictest9-21ksoftirqd/009:08:090
13720992416,5cyclictest9-21ksoftirqd/010:42:190
1372099241,3cyclictest121rcu_preempt11:22:430
1372099240,16cyclictest15364-21grep11:47:310
106891240,1ptp4l401ktimersoftd/309:02:193
106891240,1ptp4l401ktimersoftd/308:42:163
106891240,0ptp4l401ktimersoftd/309:47:253
13730992317,3cyclictest33-21ksoftirqd/208:42:172
1372599236,3cyclictest121rcu_preempt09:02:221
1372599235,3cyclictest121rcu_preempt09:32:221
13725992318,3cyclictest25-21ksoftirqd/111:58:111
1372099232,18cyclictest18677-21sed09:17:240
13720992319,3cyclictest9-21ksoftirqd/009:36:220
13720992318,3cyclictest9-21ksoftirqd/012:36:340
13720992318,3cyclictest9-21ksoftirqd/009:27:330
13720992318,3cyclictest9-21ksoftirqd/009:22:230
13720992318,3cyclictest9-21ksoftirqd/008:14:170
13720992317,3cyclictest9-21ksoftirqd/008:57:130
13720992315,4cyclictest8407-21sed10:02:260
106891230,1ptp4l401ktimersoftd/308:57:193
106891230,1ptp4l401ktimersoftd/308:32:213
106891230,1ptp4l401ktimersoftd/308:12:153
106891230,1ptp4l401ktimersoftd/308:07:183
1373699226,5cyclictest41-21ksoftirqd/309:52:073
13730992217,3cyclictest33-21ksoftirqd/209:22:202
1372599224,3cyclictest121rcu_preempt12:37:241
13725992216,3cyclictest25-21ksoftirqd/108:47:171
13725992215,4cyclictest25-21ksoftirqd/108:32:171
13720992217,3cyclictest9-21ksoftirqd/013:12:240
13720992217,3cyclictest9-21ksoftirqd/012:02:090
13720992217,3cyclictest9-21ksoftirqd/011:52:240
1372099220,15cyclictest354-21tune2fs09:47:200
106891220,1ptp4l401ktimersoftd/309:27:163
13720992116,3cyclictest9-21ksoftirqd/010:37:180
13720992115,3cyclictest3765-21cron11:37:080
1372599206,3cyclictest121rcu_preempt10:22:191
13720992016,3cyclictest9-21ksoftirqd/009:52:220
13720992015,3cyclictest5873-21/usr/sbin/munin08:52:350
13720992014,3cyclictest9-21ksoftirqd/008:44:510
13720992014,3cyclictest32515-21sendmail_mailqu08:37:270
13720992014,3cyclictest27120-21if_err_ens308:27:220
13720991914,3cyclictest9-21ksoftirqd/008:47:170
13720991913,3cyclictest9-21ksoftirqd/008:22:210
13720991912,4cyclictest9-21ksoftirqd/012:52:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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