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2025-08-26 - 18:57
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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 792 highest latencies:
System rack9slot4.osadl.org (updated Tue Aug 26, 2025 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32498111880sleep0-21swapper/111:56:271
16599911112cyclictest7747-21ntp_states13:57:380
16599911015cyclictest31525-21sshd16:27:400
1659991093cyclictest21468-21latency_hist15:17:020
1659991089cyclictest0-21swapper/013:06:040
1659991085cyclictest30473-21ssh15:32:080
16599910713cyclictest0-21swapper/013:11:580
1332110773sleep0-21swapper/011:56:440
1659991069cyclictest0-21swapper/013:38:350
1659991059cyclictest0-21swapper/015:38:330
1659991055cyclictest1698-21ssh16:32:350
1659991053cyclictest4292-21diskstats15:42:230
69501030irq/18-mmc0191ksoftirqd/117:17:311
16599910164cyclictest0-21swapper/014:07:000
1659991013cyclictest21590-21ssh14:22:120
1659991004cyclictest25405-21diskstats13:12:170
1659991004cyclictest15614-21sh14:12:060
16599910011cyclictest0-21swapper/012:36:580
1659999927cyclictest0-21swapper/014:49:120
1659999910cyclictest0-21swapper/016:47:440
165999988cyclictest0-21swapper/016:57:050
165999988cyclictest0-21swapper/016:08:090
165999985cyclictest15547-21ssh14:12:000
1659999845cyclictest6950irq/18-mmc017:02:060
165999983cyclictest12657-21latency_hist15:02:020
165999974cyclictest8068-21rt-features16:42:440
165999973cyclictest21235-21missed_timers12:57:360
165999973cyclictest18694-21latency_hist17:02:060
1659999717cyclictest0-21swapper/015:02:560
1659999640cyclictest24423-21latency_hist14:27:020
165999964cyclictest3247-21latency_hist12:01:570
1659999558cyclictest6950irq/18-mmc017:12:060
1659999554cyclictest6950irq/18-mmc015:52:030
165999954cyclictest5023-21latency_hist13:52:000
1659999511cyclictest28628-21ntp_states17:17:440
165999948cyclictest25600-21ntp_states15:22:430
1659999451cyclictest0-21swapper/012:12:320
1659999449cyclictest6950irq/18-mmc012:17:280
1659999446cyclictest27422-21latency_hist16:22:050
1659999443cyclictest28174-21latency_hist13:21:590
1659999437cyclictest22017-21diskstats16:12:240
165999939cyclictest0-21swapper/014:42:070
165999939cyclictest0-21swapper/013:46:400
165999938cyclictest0-21swapper/012:27:280
165999937cyclictest17106-21ssh15:07:580
1659999359cyclictest6950irq/18-mmc016:02:200
1659999343cyclictest10200-21diskstats15:52:230
165999929cyclictest0-21swapper/013:27:150
165999928cyclictest0-21swapper/017:24:130
165999928cyclictest0-21swapper/015:27:340
1659999211cyclictest0-21swapper/013:48:090
165999919cyclictest0-21swapper/013:36:100
165999918cyclictest0-21swapper/017:13:370
165999917cyclictest0-21swapper/012:32:090
1659999140cyclictest27363-21ssh14:32:020
1659999112cyclictest0-21swapper/012:07:020
1659999111cyclictest0-21swapper/012:02:020
1659999111cyclictest0-21swapper/012:02:020
165999909cyclictest0-21swapper/014:17:570
1659999040cyclictest74-21mmcqd/015:57:400
1659999033cyclictest74-21mmcqd/014:42:020
1659999025cyclictest0-21swapper/012:52:070
6950890irq/18-mmc0191ksoftirqd/116:27:201
165999898cyclictest0-21swapper/012:22:510
1659998964cyclictest0-21swapper/016:18:300
1659998926cyclictest0-21swapper/012:47:230
1659998913cyclictest1650-21cyclictest14:57:020
1673998825cyclictest4435-21ssh14:47:251
167399873cyclictest31380-21ssh14:37:341
167399873cyclictest10305-21diskmemload14:57:251
165999869cyclictest0-21swapper/016:38:150
165999869cyclictest0-21swapper/013:22:490
165999868cyclictest0-21swapper/015:18:470
1673998427cyclictest1650-21cyclictest14:14:361
167399824cyclictest16168-21tune2fs16:02:261
1673998231cyclictest6270-21sshd15:45:391
167399823cyclictest12750-21latency_hist15:57:031
1673998216cyclictest0-21swapper/115:02:391
1673998213cyclictest25470-21sshd15:22:381
167399818cyclictest0-21swapper/117:07:331
167399814cyclictest5368-21cut12:07:221
167399813cyclictest7639-21if_err_eth016:42:301
167399813cyclictest30341-21chrt13:27:311
167399813cyclictest19832-21sh16:07:431
167399813cyclictest13436-21irqstats14:07:301
1673998129cyclictest3373-21sshd13:45:351
1673998124cyclictest480-21systemd-journal14:28:371
1673998116cyclictest30249-21crond14:37:011
167399803cyclictest480-21systemd-journal12:37:331
167399803cyclictest10228-21sh14:02:231
1673998024cyclictest310-21dbus-daemon12:47:291
1673998024cyclictest23380-21chrt16:13:521
1673998017cyclictest24502-21processes13:07:331
1673998017cyclictest2137-21ps16:32:491
1673998016cyclictest0-21swapper/117:24:411
1673998014cyclictest480-21systemd-journal12:36:581
1673998014cyclictest0-21swapper/112:42:381
1673998013cyclictest6585-21diskmemload15:52:381
167399793cyclictest7335-21fschecks_count15:47:281
167399793cyclictest6863-21/usr/sbin/munin14:52:341
167399793cyclictest6641-21ssh13:57:001
167399793cyclictest4368-21missed_timers13:47:291
167399793cyclictest1859-21runrttasks15:37:341
167399793cyclictest16313-21uniq16:57:311
167399793cyclictest16051-21ssh15:07:211
167399793cyclictest12872-21/usr/sbin/munin16:52:191
1673997923cyclictest7113-21cat13:57:231
1673997920cyclictest1650-21cyclictest16:17:371
1673997919cyclictest9963-21aten_r9power_en16:47:161
6950780irq/18-mmc0191ksoftirqd/115:32:331
167399783cyclictest7982-21/usr/sbin/munin12:17:321
167399783cyclictest6425-21/usr/sbin/munin12:12:161
167399783cyclictest5278-21unixbench_singl16:37:471
167399783cyclictest461-21/usr/sbin/munin13:37:111
167399783cyclictest30249-21chrt15:31:481
167399783cyclictest25534-21fschecks_time13:12:191
167399783cyclictest19158-21fschecks_time14:17:301
167399783cyclictest12112-21timerandwakeup12:27:341
1673997822cyclictest19237-21fschecks_time15:12:261
167399782cyclictest2043-21rt-features14:42:431
1673997818cyclictest480-21systemd-journal15:18:051
1673997815cyclictest0-21swapper/112:57:341
1673997812cyclictest2514-21missed_timers11:57:251
167399779cyclictest0-21swapper/116:24:091
167399778cyclictest0-21swapper/114:22:121
167399773cyclictest9542-21/usr/sbin/munin12:22:331
167399773cyclictest31354-21/usr/sbin/munin13:32:231
167399773cyclictest22008-21/usr/sbin/munin13:02:261
1673997727cyclictest310-21dbus-daemon13:22:371
1673997724cyclictest3422-21cut12:02:121
1673997724cyclictest3422-21cut12:02:121
1673997716cyclictest24692-21/usr/sbin/munin17:12:201
1673997715cyclictest27510-21ntp_kernel_err13:17:291
167399763cyclictest19704-21needreboot12:52:291
1673997615cyclictest19009-21cstates17:02:211
1659997511cyclictest0-21swapper/012:41:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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