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2026-03-16 - 23:13
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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