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2026-05-10 - 16:14
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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 Sun May 10, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81860rcu_preempt0-21swapper/009:51:200
81730rcu_preempt30728-21df_abs10:06:101
81720rcu_preempt6820-21df_abs10:21:091
81720rcu_preempt29164-21ssh11:01:161
81710rcu_preempt0-21swapper/009:56:090
81710rcu_preempt0-21swapper/009:26:300
81700rcu_preempt6659-21ssh09:22:211
81700rcu_preempt3756-21sh09:17:301
81700rcu_preempt0-21swapper/109:01:231
81700rcu_preempt0-21swapper/012:30:020
81700rcu_preempt0-21swapper/010:07:300
81700rcu_preempt0-21swapper/009:31:080
81700rcu_preempt0-21swapper/008:06:070
81700rcu_preempt0-21swapper/008:01:200
81690rcu_preempt19101-21sh09:45:520
81690rcu_preempt0-21swapper/108:21:191
81690rcu_preempt0-21swapper/108:21:191
81690rcu_preempt0-21swapper/011:42:130
81690rcu_preempt0-21swapper/011:25:290
81690rcu_preempt0-21swapper/011:02:570
81680rcu_preempt31408-21diskmemload12:39:190
81680rcu_preempt2192-21snmpd12:11:080
81680rcu_preempt0-21swapper/111:32:501
81680rcu_preempt0-21swapper/108:36:181
81680rcu_preempt0-21swapper/010:54:040
81670rcu_preempt28866-21munin-run09:00:550
81670rcu_preempt19888-21ssh10:45:340
81670rcu_preempt16951-1kworker/1:1H11:59:411
81670rcu_preempt0-21swapper/110:37:401
81670rcu_preempt0-21swapper/011:53:210
81660rcu_preempt5624-1kworker/1:2H11:37:511
81660rcu_preempt32091-21gzip11:06:200
81660rcu_preempt31857-21df_abs09:11:081
81660rcu_preempt0-21swapper/111:21:381
81650rcu_preempt0-21swapper/109:32:251
81650rcu_preempt0-21swapper/107:46:131
81650rcu_preempt0-21swapper/012:17:020
81650rcu_preempt0-21swapper/011:20:380
81640rcu_preempt0-21swapper/110:35:481
81640rcu_preempt0-21swapper/107:06:411
81640rcu_preempt0-21swapper/007:06:160
81630rcu_preempt25385-21ssh10:55:181
81630rcu_preempt2192-21snmpd11:18:131
81630rcu_preempt10060-21ssh12:25:421
81630rcu_preempt0-21swapper/109:46:271
81620rcu_preempt977-21ssh11:09:451
81620rcu_preempt9750-21ssh09:28:141
81620rcu_preempt5971-21ntp_states09:21:180
81620rcu_preempt22440-21ssh11:48:131
81620rcu_preempt2073-21ssh10:11:311
81620rcu_preempt20602-21if_err_eth010:46:131
81620rcu_preempt19869-21ssh10:45:301
81620rcu_preempt16412-21ssh12:36:161
81620rcu_preempt15396-21ssh09:38:011
81620rcu_preempt0-21swapper/112:03:381
81620rcu_preempt0-21swapper/111:55:551
81620rcu_preempt0-21swapper/110:29:211
81620rcu_preempt0-21swapper/107:36:521
81620rcu_preempt0-21swapper/007:25:550
81610rcu_preempt2108-21ssh12:11:041
81610rcu_preempt15795-21ssh09:39:310
81610rcu_preempt15433-21memory10:36:170
81610rcu_preempt0-21swapper/112:26:101
81610rcu_preempt0-21swapper/110:17:081
81610rcu_preempt0-21swapper/011:11:180
81610rcu_preempt0-21swapper/009:01:200
146650610irq/31-eth0-tx-0-21swapper/010:01:320
81600rcu_preempt6465-21df_abs07:31:081
81600rcu_preempt3565-21ssh11:14:211
81600rcu_preempt1472-21ssh12:09:260
81600rcu_preempt0-21swapper/111:41:141
81600rcu_preempt0-21swapper/109:06:091
81600rcu_preempt0-21swapper/007:41:180
81590rcu_preempt31408-21diskmemload11:37:300
81590rcu_preempt28053-21ssh11:00:251
81590rcu_preempt1506-21ssh12:09:321
81590rcu_preempt14383-21ssh11:33:370
81590rcu_preempt0-21swapper/112:33:501
81590rcu_preempt0-21swapper/109:56:281
81590rcu_preempt0-21swapper/109:51:171
81590rcu_preempt0-21swapper/108:56:111
81590rcu_preempt0-21swapper/108:46:201
81590rcu_preempt0-21swapper/107:11:141
81590rcu_preempt0-21swapper/010:32:210
81590rcu_preempt0-21swapper/009:46:270
81590rcu_preempt0-21swapper/008:46:170
1007995951cyclictest945-21usb-storage10:04:231
81580rcu_preempt7425-21munin-run07:35:550
81580rcu_preempt27039-21ssh10:56:470
81580rcu_preempt2192-21snmpd08:15:201
81580rcu_preempt17892-21ssh09:42:151
81580rcu_preempt1019-21ssh09:13:140
81580rcu_preempt0-21swapper/010:24:450
81580rcu_preempt0-21swapper/008:26:150
81570rcu_preempt5362-21ssh10:17:510
81570rcu_preempt3-21ksoftirqd/012:05:140
81570rcu_preempt25079-21sshd08:45:191
81570rcu_preempt22507-21ssh11:48:270
81570rcu_preempt21672-21ssh10:47:160
81570rcu_preempt11136-21ssh11:26:460
81570rcu_preempt0-21swapper/112:16:431
81570rcu_preempt0-21swapper/108:16:051
81570rcu_preempt0-21swapper/012:33:190
81570rcu_preempt0-21swapper/011:57:350
81570rcu_preempt0-21swapper/010:11:530
81570rcu_preempt0-21swapper/007:36:170
81560rcu_preempt0-21swapper/108:34:271
81560rcu_preempt0-21swapper/010:27:300
81560rcu_preempt0-21swapper/009:16:130
81560rcu_preempt0-21swapper/008:51:380
81550rcu_preempt17321-21smartctl08:11:210
81550rcu_preempt0-21swapper/108:53:051
81550rcu_preempt0-21swapper/008:21:160
81550rcu_preempt0-21swapper/008:21:160
81550rcu_preempt0-21swapper/007:11:140
81540rcu_preempt11307-21ssh11:27:231
81540rcu_preempt0-21swapper/107:55:461
81540rcu_preempt0-21swapper/107:16:411
81540rcu_preempt0-21swapper/012:25:010
81540rcu_preempt0-21swapper/008:41:160
81540rcu_preempt0-21swapper/008:31:140
81540rcu_preempt0-21swapper/008:16:100
81530rcu_preempt11615-21fw_forwarded_lo07:51:140
81530rcu_preempt0-21swapper/009:07:200
81530rcu_preempt0-21swapper/008:37:190
1007995345cyclictest945-21usb-storage08:06:571
1007995249cyclictest945-21usb-storage07:41:131
81500rcu_preempt19-21ksoftirqd/107:30:101
81460rcu_preempt12853-21diskstats07:56:101
1006994643cyclictest945-21usb-storage07:26:120
146550450irq/30-eth0-tx-4413-21nfs4_client07:21:151
1007994542cyclictest945-21usb-storage08:26:211
1006994441cyclictest945-21usb-storage07:46:200
89950430irq/17-ehci_hcd945-21usb-storage07:58:520
1007994239cyclictest945-21usb-storage08:01:151
100699429cyclictest31862-21kworker/0:007:18:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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