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2026-07-10 - 22:35
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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 Fri Jul 10, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
333499745,63cyclictest1489-21ssh10:30:323
64462690,3sleep1201ktimersoftd/112:02:171
3328996758,5cyclictest29-21ksoftirqd/209:12:072
3334996312,45cyclictest8719-21ssh09:13:553
333499625,51cyclictest26117-21ssh10:20:103
3334996210,46cyclictest0-21swapper/312:06:363
3334995811,41cyclictest8222-21df11:22:163
228232580,5sleep322825-21unixbench_singl10:57:363
332899574,47cyclictest0-21swapper/212:01:262
332899573,48cyclictest0-21swapper/210:00:482
3319995728,24cyclictest21035-21grep07:27:250
3319995717,7cyclictest8884-21seq09:57:230
333499569,41cyclictest30581-21ssh11:07:533
333499569,41cyclictest17002-21idleruntime08:42:253
3334995610,40cyclictest7352-21switchtime10:37:323
3319995619,7cyclictest1688-21tune2fs08:02:250
333499559,40cyclictest28773-21sendmail_mailqu08:57:363
333499558,41cyclictest7017-21ssh11:20:283
333499557,42cyclictest1645-21sh09:47:303
333499554,45cyclictest0-21swapper/311:57:563
333499554,45cyclictest0-21swapper/311:37:303
333499554,45cyclictest0-21swapper/309:03:403
333499553,42cyclictest0-21swapper/312:07:133
3334995511,38cyclictest12127-21/usr/sbin/munin10:02:293
3334995510,14cyclictest26646-21users11:02:363
3334995510,14cyclictest26646-21users11:02:363
332899554,45cyclictest0-21swapper/211:41:462
332899553,46cyclictest0-21swapper/211:12:272
3319995522,27cyclictest8888-21grep06:52:410
333499546,42cyclictest26484-21ssh08:54:533
333499544,45cyclictest0-21swapper/310:32:163
333499544,44cyclictest0-21swapper/309:27:343
333499543,45cyclictest20589-21open_inodes10:12:303
333499543,45cyclictest20589-21open_inodes10:12:303
3334995414,34cyclictest0-21swapper/310:07:333
3334995413,36cyclictest28554-21ssh09:40:543
3334995412,36cyclictest0-21swapper/310:54:283
332899549,39cyclictest0-21swapper/208:44:302
332899544,45cyclictest0-21swapper/211:53:002
3319995425,24cyclictest31120-21sort11:52:170
3319995419,7cyclictest22449-21find10:57:310
333499538,38cyclictest0-21swapper/311:12:163
333499537,40cyclictest11798-21ssh10:43:133
3334995314,34cyclictest0-21swapper/309:10:143
3334995311,10cyclictest0-21swapper/309:43:573
3334995310,37cyclictest8338-21/usr/sbin/munin09:57:313
332899535,42cyclictest0-21swapper/210:20:262
332899534,44cyclictest0-21swapper/209:16:472
332899534,44cyclictest0-21swapper/208:59:102
332899534,42cyclictest0-21swapper/212:10:252
332899534,42cyclictest0-21swapper/211:06:472
332899534,42cyclictest0-21swapper/211:06:472
332899532,6cyclictest4656-21ssh10:34:082
3328995310,37cyclictest0-21swapper/207:57:322
331999533,21cyclictest0-21swapper/010:35:310
3319995319,6cyclictest32423-21grep10:27:390
3319995316,5cyclictest4616-21fschecks_time11:17:180
333499527,39cyclictest12950-21ssh11:27:333
333499527,39cyclictest0-21swapper/309:54:293
333499526,40cyclictest29169-21ssh11:49:093
333499526,40cyclictest29169-21ssh11:49:093
333499526,39cyclictest11536-21switchtime09:17:343
3334995214,13cyclictest27481-21/usr/sbin/munin10:22:173
3334995212,34cyclictest0-21swapper/311:52:543
3334995212,34cyclictest0-21swapper/309:32:113
3334995210,36cyclictest15643-21/usr/sbin/munin11:32:303
332899524,42cyclictest0-21swapper/210:44:472
332899524,42cyclictest0-21swapper/207:22:312
331999524,16cyclictest0-21swapper/011:45:050
331999523,23cyclictest0-21swapper/010:41:400
331999522,15cyclictest30073-21ssh11:07:310
3319995217,6cyclictest25106-21switchtime08:52:360
3319995216,8cyclictest11767-21grep09:17:370
3319995216,6cyclictest13687-21hwlatdetect07:07:260
3319995216,6cyclictest13687-21hwlatdetect07:07:260
333499518,38cyclictest17694-21ssh09:26:563
333499518,37cyclictest0-21swapper/310:47:103
333499517,38cyclictest23315-21ssh11:42:143
332899518,38cyclictest0-21swapper/209:26:482
332899514,6cyclictest0-21swapper/208:49:302
332899514,41cyclictest0-21swapper/209:51:462
332899513,42cyclictest0-21swapper/209:32:012
3328995118,28cyclictest12140-21cut11:27:192
3328995113,33cyclictest11580-21sshd08:27:322
331999515,19cyclictest0-21swapper/009:42:290
331999514,17cyclictest0-21swapper/011:04:180
331999514,17cyclictest0-21swapper/011:04:180
331999513,21cyclictest0-21swapper/012:00:300
3319995122,24cyclictest9374-21idleruntime08:22:240
3319995119,7cyclictest15494-21cut07:12:250
3319995117,6cyclictest5543-21rt-features09:52:320
3319995116,6cyclictest8009-21unixbench_multi09:12:380
3319995114,7cyclictest26465-21ntpq09:37:300
3319995113,7cyclictest122112grep10:02:160
3319995110,9cyclictest0-21swapper/010:12:190
3319995110,9cyclictest0-21swapper/010:12:190
333499505,40cyclictest0-21swapper/308:48:183
332899504,9cyclictest0-21swapper/211:26:062
332899504,9cyclictest0-21swapper/209:06:302
332899504,40cyclictest0-21swapper/210:39:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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