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2025-11-29 - 13:54
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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 highest latencies:
System rack9slot4.osadl.org (updated Sat Nov 29, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
103911130104sleep0-21swapper/114:38:521
106929911535cyclictest20741-21ssh19:31:260
106929911437cyclictest4045-21latency_hist19:59:190
106929911238cyclictest24685-21latency_hist15:24:110
106929910939cyclictest27636-21latency_hist19:44:190
106929910933cyclictest4689-21if_can017:14:390
106929910829cyclictest26243-21latency_hist15:29:110
106929910736cyclictest13437-21dmesg19:19:400
106929910731cyclictest11359-21if_err_can014:39:350
106929910731cyclictest11359-21if_err_can014:39:350
69501060irq/18-mmc09199-21/usr/sbin/munin14:38:360
106929910638cyclictest2017-21/usr/sbin/munin18:04:480
106929910534cyclictest6253-21latency_hist16:09:130
106929910533cyclictest24572-21latency_hist17:49:160
106929910530cyclictest0-21swapper/015:09:100
106929910436cyclictest7841-21latency_hist16:14:130
106929910435cyclictest4547-21fschecks_count18:09:370
106929910435cyclictest21163-21sh16:48:100
106929910432cyclictest19189-21ssh18:34:340
106929910338cyclictest27660-21latency_hist18:49:180
106929910337cyclictest959-21latency_hist17:09:150
106929910336cyclictest10406-21fschecks_count18:19:380
106929910233cyclictest19177-21forks17:39:360
106929910229cyclictest0-21swapper/014:44:440
106929910134cyclictest30813-21aten_r9power_vo18:54:300
106929910134cyclictest18724-21latency_hist18:34:170
106929910038cyclictest7868-21memory17:19:460
106929910036cyclictest26472-21ssh17:51:120
106929910035cyclictest28055-21tune2fs16:59:350
10692999937cyclictest3141-21latency_hist15:59:120
10692999935cyclictest9893-21latency_hist19:14:180
10692999926cyclictest9954-21latency_hist20:09:200
10692999840cyclictest21679-21latency_hist18:39:180
10692999831cyclictest9854-21latency_hist18:19:160
10692999824cyclictest0-21swapper/015:29:300
10692999736cyclictest22411-21if_eth116:49:400
10692999731cyclictest18453-21latency_hist15:04:110
10692999726cyclictest10556-21fschecks_time17:24:380
10692999641cyclictest25285-21perl18:44:390
10692999627cyclictest30584-21latency_hist19:49:190
10692999534cyclictest13034-21fschecks_time16:29:330
10692999531cyclictest32706-21sh18:02:070
10692999430cyclictest30476-21sh17:59:120
10692999426cyclictest32477-21latency_hist15:49:130
10692999331cyclictest24153-21sh19:37:450
10692999237cyclictest6971-21ssh19:09:180
10692999234cyclictest14110-21cstates14:49:240
1069299918cyclictest0-21swapper/015:14:190
10692999139cyclictest16244-21chrt19:24:330
10692999130cyclictest15608-21latency_hist16:39:130
10692999127cyclictest0-21swapper/016:24:130
10692999125cyclictest15718-21latency_hist17:34:150
10692999125cyclictest0-21swapper/019:59:490
10692999118cyclictest0-21swapper/016:15:240
10692999025cyclictest0-21swapper/015:59:460
1069299887cyclictest0-21swapper/015:09:250
10692998825cyclictest74-21mmcqd/014:59:110
10692998823cyclictest29417-21latency_hist15:39:120
10692998823cyclictest29417-21latency_hist15:39:120
10704998726cyclictest26123-21sed19:40:011
1070499869cyclictest0-21swapper/117:29:271
1070499864cyclictest13397-21sort16:29:411
1070499863cyclictest304-21snmpd18:54:191
1070499863cyclictest19578-21irqstats17:39:441
1070499863cyclictest10130-21cpu17:24:261
10692998629cyclictest2445-21ssh17:10:060
10704998540cyclictest28333-21dmesg15:34:311
10704998540cyclictest28333-21dmesg15:34:311
1070499854cyclictest19641-21grep18:34:461
10704998530cyclictest20010-21crond15:09:101
10704998529cyclictest1669-21fschecks_time18:59:391
10704998521cyclictest0-21swapper/117:54:391
10704998520cyclictest0-21swapper/119:54:331
10692998530cyclictest13616-21if_can018:24:440
1070499848cyclictest0-21swapper/117:18:291
1070499844cyclictest2554-21ntpq15:54:421
1070499844cyclictest22785-21unixbench_singl15:14:491
1070499844cyclictest13316-21ssh18:24:371
10704998434cyclictest12113-21tail16:24:511
1070499843cyclictest19117-21ssh19:29:321
10704998429cyclictest13623-21sh19:19:431
10704998424cyclictest27949-21cat18:49:321
10704998421cyclictest29051-21unixbench_singl19:45:011
10704998410cyclictest0-21swapper/117:49:451
10692998456cyclictest0-21swapper/019:14:510
10692998444cyclictest26239-21sh16:55:450
10692998428cyclictest18574-21latency_hist16:44:130
1070499839cyclictest0-21swapper/119:14:391
1070499838cyclictest0-21swapper/118:10:081
1070499833cyclictest25161-21cut16:54:361
10704998325cyclictest7187-21aten_r9power_vo18:14:281
10704998324cyclictest16585-21unixbench_singl14:54:471
10704998324cyclictest10341-21ntpq16:19:431
10704998318cyclictest0-21swapper/116:59:551
1069299838cyclictest0-21swapper/015:39:360
10692998341cyclictest24865-21/usr/sbin/munin19:39:440
1070499828cyclictest0-21swapper/116:34:271
1070499824cyclictest1174-21hostname17:09:271
10704998219cyclictest0-21swapper/118:39:311
10704998217cyclictest31637-21sh17:59:511
1070499818cyclictest0-21swapper/118:04:391
1070499818cyclictest0-21swapper/114:49:331
1070499818cyclictest0-21swapper/114:39:491
1070499818cyclictest0-21swapper/114:39:491
1070499814cyclictest22034-21head19:34:311
1070499813cyclictest27170-21chrt15:29:391
1070499813cyclictest16286-21awk18:29:381
10704998129cyclictest15715-21sort16:39:141
10704998122cyclictest17822-21/usr/sbin/munin14:59:391
10704998121cyclictest24467-21sshd15:20:501
10692998137cyclictest2405-21unixbench_multi18:59:580
1070499809cyclictest0-21swapper/116:52:051
1070499808cyclictest0-21swapper/119:59:351
1070499808cyclictest0-21swapper/119:04:361
1070499808cyclictest0-21swapper/118:19:461
1070499808cyclictest0-21swapper/116:44:451
1070499803cyclictest5839-21ls16:04:511
10704998024cyclictest33950irq/43-eth020:04:591
10704998022cyclictest8726-21missed_timers16:14:431
10704998021cyclictest31170-21wc15:44:261
10704998014cyclictest9659-21chrt17:23:491
10692998043cyclictest11830-21/usr/sbin/munin16:24:420
1070499799cyclictest0-21swapper/118:45:001
1070499799cyclictest0-21swapper/114:44:241
1070499798cyclictest0-21swapper/119:11:411
1070499798cyclictest0-21swapper/117:37:031
1070499798cyclictest0-21swapper/116:09:241
1070499798cyclictest0-21swapper/115:59:271
1070499798cyclictest0-21swapper/115:39:271
1070499794cyclictest31285-21/usr/sbin/munin17:04:421
1070499794cyclictest22800-21/usr/sbin/munin17:44:531
1070499793cyclictest32655-21sh15:49:261
1070499793cyclictest20733-21if_err_eth115:09:321
10704997924cyclictest31886-21timerandwakeup19:50:001
10692997936cyclictest16652-21kernelversion17:34:430
1070499788cyclictest0-21swapper/119:24:291
10704997821cyclictest26026-21sshd15:25:501
10692997734cyclictest326-21runrttasks15:44:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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