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2026-09-23 - 05:55
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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 rackcslot3.osadl.org (updated Wed Sep 23, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt7829-21ssh23:14:191
81770rcu_preempt0-21swapper/100:10:231
81760rcu_preempt0-21swapper/000:32:000
81690rcu_preempt0-21swapper/021:05:160
81680rcu_preempt5307-21ssh00:15:120
81680rcu_preempt30886-21ssh22:55:171
81670rcu_preempt0-21swapper/023:43:330
81650rcu_preempt7613-21ssh00:20:090
81650rcu_preempt12300-21apt-get19:15:080
81650rcu_preempt0-21swapper/122:30:121
81650rcu_preempt0-21swapper/121:45:161
81650rcu_preempt0-21swapper/121:00:151
81650rcu_preempt0-21swapper/022:50:130
81640rcu_preempt0-21swapper/119:06:181
81640rcu_preempt0-21swapper/100:38:521
81640rcu_preempt0-21swapper/023:45:120
81640rcu_preempt0-21swapper/022:58:220
81630rcu_preempt0-21swapper/123:25:131
81630rcu_preempt0-21swapper/120:30:151
81630rcu_preempt0-21swapper/023:07:250
81620rcu_preempt9008-21ps23:15:200
81620rcu_preempt0-21swapper/123:04:571
81620rcu_preempt0-21swapper/122:42:161
81620rcu_preempt0-21swapper/121:27:441
81620rcu_preempt0-21swapper/120:53:251
81620rcu_preempt0-21swapper/020:53:230
81610rcu_preempt1711-21rs:main0
81610rcu_preempt0-21swapper/123:32:451
81610rcu_preempt0-21swapper/100:33:341
81610rcu_preempt0-21swapper/100:06:471
81610rcu_preempt0-21swapper/020:00:160
81610rcu_preempt0-21swapper/019:44:360
148050610irq/31-eth0-tx-41ktimersoftd/022:37:070
81600rcu_preempt31155-21ssh21:50:381
81600rcu_preempt22769-21ssh23:43:441
81600rcu_preempt21829-21ssh22:36:531
81600rcu_preempt13449-21ntp_states22:20:251
81600rcu_preempt13201-21ssh21:16:031
81600rcu_preempt11383-21ssh22:15:331
81600rcu_preempt0-21swapper/123:45:151
81600rcu_preempt0-21swapper/123:20:191
81600rcu_preempt0-21swapper/123:15:191
81600rcu_preempt0-21swapper/123:04:421
81600rcu_preempt0-21swapper/122:49:361
81600rcu_preempt0-21swapper/121:56:311
81600rcu_preempt0-21swapper/100:00:481
81600rcu_preempt0-21swapper/022:47:510
81600rcu_preempt0-21swapper/022:25:450
81590rcu_preempt26234-21ssh21:41:111
81590rcu_preempt1199-21memory23:00:170
81590rcu_preempt0-21swapper/123:53:301
81590rcu_preempt0-21swapper/123:37:111
81590rcu_preempt0-21swapper/122:10:201
81590rcu_preempt0-21swapper/120:05:231
81590rcu_preempt0-21swapper/119:45:201
81590rcu_preempt0-21swapper/119:15:171
81590rcu_preempt0-21swapper/100:25:191
81590rcu_preempt0-21swapper/023:20:140
81590rcu_preempt0-21swapper/023:10:220
81590rcu_preempt0-21swapper/021:55:090
81590rcu_preempt0-21swapper/021:00:150
81580rcu_preempt9622-21kworker/0:219:05:220
81580rcu_preempt5402-21ssh00:15:141
81580rcu_preempt28311-21ssh23:54:571
81580rcu_preempt18341-21ssh21:25:380
81580rcu_preempt10195-21/usr/sbin/munin22:15:210
81580rcu_preempt0-21swapper/122:07:211
81580rcu_preempt0-21swapper/121:59:591
81580rcu_preempt0-21swapper/121:35:151
81580rcu_preempt0-21swapper/120:25:161
81580rcu_preempt0-21swapper/120:20:141
81580rcu_preempt0-21swapper/120:20:141
81580rcu_preempt0-21swapper/119:44:061
81580rcu_preempt0-21swapper/100:22:001
81580rcu_preempt0-21swapper/021:46:130
81580rcu_preempt0-21swapper/000:03:290
89950570irq/17-ehci_hcd945-21usb-storage21:23:071
81570rcu_preempt16552-21rm00:36:070
81570rcu_preempt10555-21ssh21:11:261
81570rcu_preempt0-21swapper/122:50:181
81570rcu_preempt0-21swapper/122:29:401
81570rcu_preempt0-21swapper/121:31:171
81570rcu_preempt0-21swapper/120:40:171
81570rcu_preempt0-21swapper/120:10:151
81570rcu_preempt0-21swapper/119:25:121
81570rcu_preempt0-21swapper/021:53:150
81570rcu_preempt0-21swapper/021:44:500
81570rcu_preempt0-21swapper/021:24:330
81570rcu_preempt0-21swapper/019:55:170
81570rcu_preempt0-21swapper/000:25:230
10912995746cyclictest945-21usb-storage19:23:001
81560rcu_preempt9057-21ssh21:10:030
81560rcu_preempt0-21swapper/121:05:161
81560rcu_preempt0-21swapper/120:55:111
81560rcu_preempt0-21swapper/120:00:311
81560rcu_preempt0-21swapper/023:59:380
81560rcu_preempt0-21swapper/023:52:230
81550rcu_preempt24197-21ssh21:38:130
81550rcu_preempt13885-21ssh22:20:390
81550rcu_preempt12622-21ntp_states21:15:200
81550rcu_preempt0-21swapper/120:45:111
81550rcu_preempt0-21swapper/119:57:431
81550rcu_preempt0-21swapper/023:37:550
81550rcu_preempt0-21swapper/023:31:000
81550rcu_preempt0-21swapper/023:25:460
81550rcu_preempt0-21swapper/022:10:260
81550rcu_preempt0-21swapper/020:55:200
81550rcu_preempt0-21swapper/000:10:220
81540rcu_preempt0-21swapper/120:37:161
81540rcu_preempt0-21swapper/119:50:531
81540rcu_preempt0-21swapper/119:35:551
81540rcu_preempt0-21swapper/022:41:150
81540rcu_preempt0-21swapper/022:05:230
81540rcu_preempt0-21swapper/019:30:200
81540rcu_preempt0-21swapper/019:25:140
81530rcu_preempt27755-21diskstats20:15:121
81530rcu_preempt19318-21ssh22:31:350
81530rcu_preempt0-21swapper/119:33:351
81530rcu_preempt0-21swapper/022:03:510
81530rcu_preempt0-21swapper/021:32:090
81530rcu_preempt0-21swapper/020:26:010
81530rcu_preempt0-21swapper/000:05:420
81520rcu_preempt0-21swapper/020:45:500
81520rcu_preempt0-21swapper/020:18:000
81510rcu_preempt0-21swapper/119:14:191
81510rcu_preempt0-21swapper/020:10:140
81510rcu_preempt0-21swapper/019:35:120
81510rcu_preempt0-21swapper/019:13:370
81500rcu_preempt0-21swapper/020:09:330
81500rcu_preempt0-21swapper/019:20:360
81490rcu_preempt0-21swapper/019:54:360
81470rcu_preempt0-21swapper/020:39:490
10911994340cyclictest945-21usb-storage20:30:230
10911994239cyclictest945-21usb-storage20:40:080
1091199331cyclictest24837-21kworker/0:020:24:390
1091199331cyclictest24837-21kworker/0:020:24:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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