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2026-09-08 - 11:07
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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 Tue Sep 08, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2423299852,77cyclictest25592-21latency_hist22:05:082
2423299852,77cyclictest25592-21latency_hist22:05:082
24232998111,63cyclictest24451-21latency_hist21:20:102
2423299733,22cyclictest0-21swapper/223:40:062
2423299732,65cyclictest2447-21/usr/sbin/munin20:50:422
2423299732,28cyclictest4747-21diskmemload21:14:012
2423299722,65cyclictest14685-21ssh22:33:302
2423299714,61cyclictest0-21swapper/221:15:212
2423299703,60cyclictest14980-21ssh23:16:432
2423299703,60cyclictest14980-21ssh23:16:432
2423299702,62cyclictest27465-21ssh22:06:172
24232997010,53cyclictest0-21swapper/221:45:382
2423299692,61cyclictest14890-21/usr/sbin/munin19:10:262
2423299692,60cyclictest31722-21/usr/sbin/munin19:55:262
24232996912,52cyclictest0-21swapper/221:24:082
24232996912,51cyclictest0-21swapper/220:23:012
24232996911,52cyclictest0-21swapper/220:31:322
24232996911,25cyclictest0-21swapper/220:46:592
2423299683,59cyclictest9271-21grep20:15:262
2423299682,60cyclictest8038-21open_files21:40:332
2423299682,60cyclictest5529-21/usr/sbin/munin18:45:292
2423299682,60cyclictest27418-21/usr/sbin/munin20:40:352
24232996811,51cyclictest0-21swapper/222:43:122
2423299679,52cyclictest0-21swapper/223:10:042
2423299673,57cyclictest10650-21ssh21:00:292
2423299672,59cyclictest22371-21/usr/sbin/munin19:30:252
2423299672,58cyclictest26664-21ssh20:39:082
2423299672,58cyclictest13022-21/usr/sbin/munin19:05:342
24232996710,51cyclictest0-21swapper/222:16:062
2423299667,53cyclictest0-21swapper/222:39:372
2423299664,27cyclictest0-21swapper/223:30:062
2423299663,57cyclictest18577-21ssh23:21:272
2423299662,58cyclictest7512-21ssh20:12:572
2423299662,58cyclictest30438-21/usr/sbin/munin18:25:442
2423299662,58cyclictest27985-21/usr/sbin/munin19:45:382
2423299662,58cyclictest20500-21/usr/sbin/munin19:25:422
2423299662,58cyclictest19127-21runrttasks19:20:292
2423299662,58cyclictest19127-21runrttasks19:20:292
2423299662,57cyclictest24952-21missed_timers23:30:292
2423299662,30cyclictest1610-21ssh21:31:392
24232996610,50cyclictest0-21swapper/221:07:342
2423299659,51cyclictest17126-21sshd21:53:082
2423299658,51cyclictest0-21swapper/221:28:052
2423299657,52cyclictest0-21swapper/222:20:552
2423299655,27cyclictest0-21swapper/222:13:072
2423299654,55cyclictest0-21swapper/222:46:272
2423299653,57cyclictest3815-21fschecks_time21:35:242
2423299652,57cyclictest30441-21latency19:50:292
2423299652,57cyclictest26697-21/usr/sbin/munin18:15:322
2423299652,57cyclictest18249-21ssh20:26:572
2423299652,57cyclictest18249-21ssh20:26:572
24232996512,47cyclictest21808-21latency_hist22:00:092
2423299648,25cyclictest0-21swapper/223:13:222
2423299645,27cyclictest0-21swapper/222:29:472
2423299643,55cyclictest6155-21/usr/sbin/munin20:55:252
2423299643,55cyclictest3685-21latency20:05:322
2423299643,54cyclictest31107-21iostat22:55:242
2423299642,56cyclictest3658-21/usr/sbin/munin18:40:322
2423299642,56cyclictest28057-21ssh22:50:402
2423299633,54cyclictest1210-21/usr/sbin/munin20:00:232
2423299633,54cyclictest11134-21/usr/sbin/munin19:00:222
2423299632,55cyclictest26118-21/usr/sbin/munin19:40:242
2423299632,55cyclictest24249-21/usr/sbin/munin19:35:292
2423299622,54cyclictest1900-21ssh23:00:152
2423299622,53cyclictest32309-21/usr/sbin/munin18:30:362
2423299622,53cyclictest16761-21/usr/sbin/munin19:15:512
2423299622,32cyclictest9265-21/usr/sbin/munin18:55:412
2423299612,54cyclictest3123-21sshd18:36:292
2423299612,53cyclictest7399-21/usr/sbin/munin18:50:422
2423299612,53cyclictest28566-21/usr/sbin/munin18:20:252
2423299593,50cyclictest0-21swapper/218:15:132
2365425913,39sleep20-21swapper/218:06:182
2422599575,45cyclictest0-21swapper/120:13:131
24236995615,35cyclictest0-21swapper/323:25:343
2422599555,44cyclictest0-21swapper/120:56:421
2422599554,43cyclictest0-21swapper/120:26:531
2422599554,43cyclictest0-21swapper/120:26:531
24236995412,13cyclictest0-21swapper/323:24:173
24236995411,37cyclictest27683-21ntp_kernel_pll_22:50:333
2422199545,7cyclictest0-21swapper/023:36:380
2364525410,14sleep30-21swapper/318:06:113
223252549,15sleep10-21swapper/118:05:171
2423699535,41cyclictest643-21runrttasks22:10:503
2422599533,44cyclictest0-21swapper/120:45:321
2422199534,43cyclictest0-21swapper/023:17:350
2422199534,43cyclictest0-21swapper/023:17:350
239202539,16sleep00-21swapper/018:09:300
2423699526,14cyclictest26743-21rt-features22:05:343
2422599524,41cyclictest0-21swapper/123:06:391
2422599514,40cyclictest0-21swapper/122:03:161
2422599514,40cyclictest0-21swapper/122:03:161
2422599513,42cyclictest0-21swapper/122:06:301
2422199514,42cyclictest0-21swapper/023:33:320
2422199514,42cyclictest0-21swapper/023:24:350
2422199514,41cyclictest0-21swapper/023:08:190
2423699507,37cyclictest13022-21/usr/sbin/munin19:05:383
24236995014,30cyclictest23753-21latency22:45:263
2422599508,37cyclictest0-21swapper/122:17:311
2422599504,21cyclictest0-21swapper/121:32:561
2422599503,41cyclictest0-21swapper/118:30:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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