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2025-07-06 - 02:53
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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 Sat Jul 05, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt24211-21munin-run11:30:300
81740rcu_preempt32580-21ssh11:45:340
81730rcu_preempt0-21swapper/107:09:011
89950710irq/17-ehci_hcd26077-21ssh10:35:441
81710rcu_preempt3-21ksoftirqd/009:55:420
81700rcu_preempt16027-21ssh12:14:490
81700rcu_preempt16027-21ssh12:14:490
141350700irq/31-eth0-tx-181ktimersoftd/111:27:291
81680rcu_preempt20670-21ssh11:23:071
81670rcu_preempt8998-21sh11:01:150
81670rcu_preempt30785-21ssh10:43:280
81670rcu_preempt0-21swapper/111:42:321
81670rcu_preempt0-21swapper/009:32:140
141350670irq/31-eth0-tx-2224-21snmpd11:41:250
141250670irq/30-eth0-tx-41ktimersoftd/012:23:050
81660rcu_preempt27501-21munin-run08:15:300
81660rcu_preempt0-21swapper/012:30:540
81660rcu_preempt0-21swapper/011:58:200
81650rcu_preempt9885-21awk10:05:550
81650rcu_preempt18643-21rm12:19:261
81650rcu_preempt0-21swapper/112:13:081
81650rcu_preempt0-21swapper/112:13:081
81650rcu_preempt0-21swapper/111:13:351
81650rcu_preempt0-21swapper/109:39:531
81650rcu_preempt0-21swapper/010:47:360
81650rcu_preempt0-21swapper/009:21:140
81640rcu_preempt11096-21/usr/sbin/munin12:05:520
81640rcu_preempt11096-21/usr/sbin/munin12:05:520
81640rcu_preempt0-21swapper/112:02:311
81640rcu_preempt0-21swapper/109:55:521
81640rcu_preempt0-21swapper/109:25:041
81640rcu_preempt0-21swapper/012:04:360
81640rcu_preempt0-21swapper/008:00:500
81630rcu_preempt0-21swapper/112:39:051
81630rcu_preempt0-21swapper/111:57:211
81630rcu_preempt0-21swapper/109:33:411
81630rcu_preempt0-21swapper/108:45:461
81630rcu_preempt0-21swapper/108:19:491
81630rcu_preempt0-21swapper/108:09:341
81630rcu_preempt0-21swapper/010:00:440
81620rcu_preempt27277-21wc12:35:310
81620rcu_preempt0-21swapper/011:17:410
81620rcu_preempt0-21swapper/009:36:270
81610rcu_preempt31374-21ssh10:45:131
81610rcu_preempt2224-21snmpd07:14:331
81610rcu_preempt0-21swapper/111:37:491
81610rcu_preempt0-21swapper/111:07:511
81610rcu_preempt0-21swapper/110:34:051
81610rcu_preempt0-21swapper/011:30:570
81610rcu_preempt0-21swapper/011:24:440
81610rcu_preempt0-21swapper/009:50:550
81610rcu_preempt0-21swapper/007:50:510
89150600irq/17-ehci_hcd945-21usb-storage10:37:530
81600rcu_preempt7921-21ssh10:02:381
81600rcu_preempt6787-21ssh10:57:541
81600rcu_preempt2437-21ssh11:49:171
81600rcu_preempt22107-21ssh10:27:521
81600rcu_preempt16722-21ssh10:18:201
81600rcu_preempt14369-21ssh10:14:591
81600rcu_preempt0-21swapper/110:07:141
81600rcu_preempt0-21swapper/109:15:431
81600rcu_preempt0-21swapper/107:30:461
81600rcu_preempt0-21swapper/011:06:570
81600rcu_preempt0-21swapper/009:40:490
81590rcu_preempt9002-21ssh11:01:161
81590rcu_preempt543-21ssh10:46:251
81590rcu_preempt31472-21ssh09:47:291
81590rcu_preempt20249-21ssh09:29:071
81590rcu_preempt0-21swapper/112:24:281
81590rcu_preempt0-21swapper/112:08:291
81590rcu_preempt0-21swapper/112:08:291
81590rcu_preempt0-21swapper/108:25:541
81590rcu_preempt0-21swapper/108:14:481
81590rcu_preempt0-21swapper/107:45:481
81590rcu_preempt0-21swapper/010:14:510
89550580irq/17-ehci_hcd28513-21ssh11:36:540
81580rcu_preempt4216-21ssh10:53:321
81580rcu_preempt3197-21ssh11:50:481
81580rcu_preempt19560-21ssh10:23:501
81580rcu_preempt0-21swapper/112:31:041
81580rcu_preempt0-21swapper/111:33:031
81580rcu_preempt0-21swapper/109:45:131
81580rcu_preempt0-21swapper/109:12:551
81580rcu_preempt0-21swapper/109:05:511
81580rcu_preempt0-21swapper/107:40:481
81580rcu_preempt0-21swapper/107:15:491
81580rcu_preempt0-21swapper/010:33:260
81580rcu_preempt0-21swapper/009:45:570
81570rcu_preempt2424-21ssh09:53:291
81570rcu_preempt19659-21ssh09:27:190
81570rcu_preempt10601-21memory07:05:520
81570rcu_preempt0-21swapper/112:25:441
81570rcu_preempt0-21swapper/111:16:301
81570rcu_preempt0-21swapper/107:20:501
81570rcu_preempt0-21swapper/012:18:370
81570rcu_preempt0-21swapper/011:53:020
81570rcu_preempt0-21swapper/010:58:410
81570rcu_preempt0-21swapper/007:15:530
81560rcu_preempt12651-21ssh09:15:490
81560rcu_preempt0-21swapper/109:04:091
81560rcu_preempt0-21swapper/107:26:281
81560rcu_preempt0-21swapper/011:14:520
81560rcu_preempt0-21swapper/010:28:500
81560rcu_preempt0-21swapper/008:43:450
81560rcu_preempt0-21swapper/007:45:580
81550rcu_preempt3993-21ssh10:52:510
81550rcu_preempt18936-21ssh10:21:420
81550rcu_preempt0-21swapper/108:57:551
81550rcu_preempt0-21swapper/108:57:551
81550rcu_preempt0-21swapper/009:10:560
81550rcu_preempt0-21swapper/008:25:500
81550rcu_preempt0-21swapper/008:20:520
81550rcu_preempt0-21swapper/007:40:460
81540rcu_preempt0-21swapper/108:35:451
81540rcu_preempt0-21swapper/107:52:541
81540rcu_preempt0-21swapper/010:19:180
81540rcu_preempt0-21swapper/008:50:470
81540rcu_preempt0-21swapper/008:34:530
81540rcu_preempt0-21swapper/008:05:520
81540rcu_preempt0-21swapper/007:35:220
81540rcu_preempt0-21swapper/007:11:300
81530rcu_preempt23893-21ssh12:28:300
81530rcu_preempt0-21swapper/108:33:171
81530rcu_preempt0-21swapper/009:02:510
81530rcu_preempt0-21swapper/008:48:450
81530rcu_preempt0-21swapper/008:35:540
11175995342cyclictest945-21usb-storage07:35:491
81520rcu_preempt18306-21ntp_states07:35:530
81520rcu_preempt0-21swapper/009:09:510
81510rcu_preempt0-21swapper/108:52:171
81510rcu_preempt0-21swapper/108:41:211
81510rcu_preempt0-21swapper/108:01:051
81500rcu_preempt29826-21python08:20:561
81490rcu_preempt15348-21fw_forwarded_lo07:25:490
81490rcu_preempt0-21swapper/108:00:091
81490rcu_preempt0-21swapper/008:16:510
81480rcu_preempt0-21swapper/007:56:070
89550420irq/17-ehci_hcd0-21swapper/007:23:520
81360rcu_preempt5508-21df08:55:430
81360rcu_preempt5508-21df08:55:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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