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2026-03-29 - 19:13
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot4.osadl.org (updated Sun Mar 29, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30854996410,48cyclictest2504-21cut08:42:590
3086599634,51cyclictest0-21swapper/207:07:002
3086599634,51cyclictest0-21swapper/207:07:002
30872996214,43cyclictest21124-21ntp_kernel_err09:07:593
30872996120,36cyclictest5254-21ls11:38:033
30872996014,40cyclictest12988-21grep08:13:103
294792607,17sleep30-21swapper/306:08:003
30872995915,38cyclictest28799-21switchtime09:18:043
30872995813,38cyclictest5145-21/usr/sbin/munin10:12:583
30854995814,38cyclictest11182-21processes09:38:020
30854995813,39cyclictest1456-21/usr/sbin/munin10:08:020
3085499579,42cyclictest0-21swapper/010:13:200
3086599565,45cyclictest0-21swapper/208:17:282
3086599564,7cyclictest0-21swapper/208:17:482
30872995517,33cyclictest13750-21ntp_states08:58:003
3086599554,45cyclictest0-21swapper/208:32:382
30854995514,35cyclictest18909-21users11:13:060
30854995511,38cyclictest32190-21unixbench-2d10:48:060
30872995414,34cyclictest22946-21/usr/sbin/munin08:28:033
30872995412,36cyclictest14982-21find09:43:033
30872995410,37cyclictest27679-21ssh10:42:553
3085899544,45cyclictest0-21swapper/110:09:271
3085499548,9cyclictest7702-21ssh09:33:050
30854995411,37cyclictest19711-21sh10:32:490
30854995410,39cyclictest1220-21gzip11:33:000
3056425410,14sleep20-21swapper/206:12:012
3087299538,39cyclictest0-21swapper/310:08:373
3087299537,40cyclictest31672-21needreboot10:47:583
30872995311,37cyclictest27652-21fgrep08:33:043
3086599534,6cyclictest0-21swapper/210:31:052
3086599533,45cyclictest0-21swapper/208:25:052
3086599533,45cyclictest0-21swapper/208:25:052
3086599533,44cyclictest0-21swapper/206:43:112
3085899533,45cyclictest2731-21ssh11:35:231
3085499538,39cyclictest0-21swapper/011:08:120
3085499537,42cyclictest22327-21ntp_kernel_pll_09:52:580
30854995311,37cyclictest4258-21ssh09:28:150
30854995311,36cyclictest9892-21/usr/sbin/munin11:02:590
3087299528,38cyclictest0-21swapper/311:13:353
3086599524,42cyclictest0-21swapper/209:01:272
3085899524,43cyclictest0-21swapper/109:22:261
3085899524,42cyclictest0-21swapper/110:52:571
3085899523,14cyclictest0-21swapper/111:19:241
3085499525,41cyclictest0-21swapper/008:37:580
30854995213,34cyclictest24159-21ntpq10:38:000
3087299519,37cyclictest16451-21ssh08:18:033
30872995111,34cyclictest26769-21ssh09:58:123
3086599514,41cyclictest0-21swapper/207:58:002
3086599513,43cyclictest0-21swapper/210:42:462
30865995115,31cyclictest10287-21fschecks_time11:02:482
30865995111,35cyclictest1431-21timerwakeupswit11:33:042
3085899515,39cyclictest0-21swapper/108:43:071
3085899514,41cyclictest0-21swapper/108:54:171
3085899514,41cyclictest0-21swapper/108:29:361
3085899513,42cyclictest0-21swapper/110:51:041
30854995112,34cyclictest11375-21diskmemload10:22:570
30854995110,35cyclictest6494-21switchtime08:48:050
30872995011,33cyclictest31859-21ssh08:38:163
3086599505,39cyclictest0-21swapper/208:54:462
3086599504,41cyclictest0-21swapper/208:43:472
3086599504,40cyclictest0-21swapper/209:52:332
3086599503,41cyclictest25044-21latency_hist07:22:402
3086599503,41cyclictest17371-21ssh09:47:262
3086599503,41cyclictest0-21swapper/210:39:302
3086599503,41cyclictest0-21swapper/210:33:052
3086599502,42cyclictest5747-21latency_hist07:57:392
30865995012,31cyclictest0-21swapper/209:08:222
3085899506,38cyclictest0-21swapper/109:43:461
3085899504,8cyclictest0-21swapper/108:18:181
3085899504,6cyclictest0-21swapper/109:33:361
3085899504,40cyclictest0-21swapper/111:05:441
3085899504,40cyclictest0-21swapper/111:01:361
3085899504,40cyclictest0-21swapper/109:10:081
3085899503,42cyclictest0-21swapper/109:28:261
3085899503,41cyclictest0-21swapper/111:09:241
3086599495,11cyclictest0-21swapper/211:17:532
3086599495,11cyclictest0-21swapper/206:38:022
3086599494,39cyclictest0-21swapper/210:14:162
3086599494,39cyclictest0-21swapper/210:05:102
3086599494,39cyclictest0-21swapper/210:05:102
3086599494,10cyclictest0-21swapper/210:23:452
30865994910,34cyclictest14040-21fschecks_time11:07:492
3085899497,37cyclictest0-21swapper/111:31:581
3085899494,40cyclictest0-21swapper/110:45:101
3085899494,40cyclictest0-21swapper/110:05:451
3085899494,40cyclictest0-21swapper/110:05:451
3085899494,39cyclictest0-21swapper/108:23:181
3085899494,39cyclictest0-21swapper/108:23:181
3085899493,41cyclictest0-21swapper/109:06:171
3085899492,41cyclictest18571-21ntp_states09:48:001
30854994914,30cyclictest0-21swapper/006:12:510
3086599484,38cyclictest0-21swapper/210:48:322
3086599484,38cyclictest0-21swapper/209:15:042
3086599484,37cyclictest0-21swapper/207:08:122
3086599482,40cyclictest12194-21ssh09:39:172
30865994812,30cyclictest0-21swapper/206:57:592
30865994811,31cyclictest0-21swapper/206:47:592
3085899484,9cyclictest0-21swapper/111:12:441
3085899484,40cyclictest0-21swapper/110:34:051
3085899484,39cyclictest0-21swapper/109:13:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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