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2026-06-25 - 22:35
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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 rackcslot3.osadl.org (updated Thu Jun 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt2578-21if_err_eth011:10:041
81770rcu_preempt0-21swapper/011:25:500
81760rcu_preempt0-21swapper/009:29:140
81750rcu_preempt17985-21sed12:40:021
81750rcu_preempt13511-21cpuspeed_turbos09:30:020
81750rcu_preempt0-21swapper/010:39:390
81730rcu_preempt28468-21ssh11:59:131
81730rcu_preempt13670-21idleruntime10:30:051
81720rcu_preempt4780-21ssh12:15:040
81710rcu_preempt11393-21ssh12:27:061
81710rcu_preempt0-21swapper/012:05:000
81710rcu_preempt0-21swapper/008:55:030
81710rcu_preempt0-21swapper/007:45:090
81700rcu_preempt22241-1kworker/0:1H12:03:010
81700rcu_preempt0-21swapper/112:14:341
81700rcu_preempt0-21swapper/011:43:070
81700rcu_preempt0-21swapper/008:44:480
81700rcu_preempt0-21swapper/007:39:480
81690rcu_preempt4894-21diskmemload10:39:081
81690rcu_preempt3008-21diskstats10:10:020
81690rcu_preempt0-21swapper/111:42:311
81690rcu_preempt0-21swapper/111:09:251
81690rcu_preempt0-21swapper/110:50:151
81690rcu_preempt0-21swapper/110:05:021
81690rcu_preempt0-21swapper/110:00:291
81690rcu_preempt0-21swapper/109:40:131
81690rcu_preempt0-21swapper/109:15:021
81690rcu_preempt0-21swapper/010:24:250
81690rcu_preempt0-21swapper/009:53:560
81680rcu_preempt0-21swapper/112:21:051
81680rcu_preempt0-21swapper/112:15:321
81680rcu_preempt0-21swapper/110:11:311
81680rcu_preempt0-21swapper/109:26:461
81670rcu_preempt28189-21ssh10:56:431
81670rcu_preempt0-21swapper/112:37:201
81670rcu_preempt0-21swapper/109:38:341
81670rcu_preempt0-21swapper/108:50:111
81670rcu_preempt0-21swapper/009:17:220
89550660irq/17-ehci_hcd0-21swapper/009:21:210
81660rcu_preempt22564-21awk09:45:141
81660rcu_preempt10715-21/usr/sbin/munin10:25:021
81660rcu_preempt0-21swapper/111:35:401
81660rcu_preempt0-21swapper/111:31:071
81660rcu_preempt0-21swapper/011:47:500
81660rcu_preempt0-21swapper/007:55:030
81650rcu_preempt6208-21proc_pri10:15:110
81650rcu_preempt10241-21ssh10:23:531
81650rcu_preempt0-21swapper/111:25:071
81650rcu_preempt0-21swapper/110:17:021
81650rcu_preempt0-21swapper/108:38:501
81650rcu_preempt0-21swapper/108:05:131
81650rcu_preempt0-21swapper/010:50:000
81650rcu_preempt0-21swapper/009:56:540
81640rcu_preempt5194-21ssh11:15:050
81640rcu_preempt21833-21ssh10:45:061
81640rcu_preempt0-21swapper/107:44:471
81640rcu_preempt0-21swapper/107:10:021
81640rcu_preempt0-21swapper/011:54:510
81630rcu_preempt5585-21ssh11:15:091
81630rcu_preempt0-21swapper/108:04:021
81630rcu_preempt0-21swapper/107:15:581
81630rcu_preempt0-21swapper/012:24:530
81630rcu_preempt0-21swapper/009:37:080
81630rcu_preempt0-21swapper/007:49:520
81630rcu_preempt0-21swapper/007:16:400
81620rcu_preempt20106-21ssh10:41:101
81620rcu_preempt0-21swapper/111:45:051
81620rcu_preempt0-21swapper/111:20:411
81620rcu_preempt0-21swapper/109:30:021
81620rcu_preempt0-21swapper/011:33:440
81620rcu_preempt0-21swapper/009:45:110
81620rcu_preempt0-21swapper/008:40:030
81620rcu_preempt0-21swapper/008:30:020
81610rcu_preempt8317-21ssh09:20:051
81610rcu_preempt19782-21timerandwakeup10:40:120
81610rcu_preempt0-21swapper/109:05:581
81610rcu_preempt0-21swapper/107:25:081
81610rcu_preempt0-21swapper/011:09:570
81610rcu_preempt0-21swapper/011:00:130
81610rcu_preempt0-21swapper/010:44:580
81600rcu_preempt32396-21/usr/sbin/munin10:05:010
81600rcu_preempt0-21swapper/111:02:051
81600rcu_preempt0-21swapper/108:55:091
81600rcu_preempt0-21swapper/012:13:580
81600rcu_preempt0-21swapper/009:10:140
81600rcu_preempt0-21swapper/009:04:480
81590rcu_preempt19-21ksoftirqd/112:31:221
81590rcu_preempt15207-21memory07:45:081
81590rcu_preempt0-21swapper/112:05:131
81590rcu_preempt0-21swapper/112:00:271
81590rcu_preempt0-21swapper/108:45:551
81590rcu_preempt0-21swapper/007:12:380
81580rcu_preempt28827-21ssh09:57:271
81580rcu_preempt0-21swapper/111:50:121
81580rcu_preempt0-21swapper/109:52:031
81580rcu_preempt0-21swapper/108:25:051
81580rcu_preempt0-21swapper/108:19:541
81580rcu_preempt0-21swapper/107:50:221
81580rcu_preempt0-21swapper/012:35:010
81580rcu_preempt0-21swapper/012:20:300
81580rcu_preempt0-21swapper/011:09:400
81580rcu_preempt0-21swapper/008:50:070
81570rcu_preempt30467-21ssh10:00:120
81570rcu_preempt11110-21fw_forwarded_lo07:30:031
81570rcu_preempt0-21swapper/108:43:311
81570rcu_preempt0-21swapper/108:13:551
81570rcu_preempt0-21swapper/107:55:321
81570rcu_preempt0-21swapper/107:20:071
81570rcu_preempt0-21swapper/008:35:070
81560rcu_preempt9199-21ssh11:22:070
81560rcu_preempt24810-21ssh11:50:390
81560rcu_preempt12793-21ssh12:30:070
81560rcu_preempt0-21swapper/011:35:410
81560rcu_preempt0-21swapper/010:56:110
81560rcu_preempt0-21swapper/010:31:040
81550rcu_preempt0-21swapper/108:15:391
81550rcu_preempt0-21swapper/010:25:020
81550rcu_preempt0-21swapper/009:40:120
81540rcu_preempt0-21swapper/012:43:330
81540rcu_preempt0-21swapper/008:00:050
81540rcu_preempt0-21swapper/007:25:040
81530rcu_preempt20036-21if_can008:05:060
89550510irq/17-ehci_hcd8299-21/usr/sbin/munin07:20:060
81510rcu_preempt0-21swapper/008:10:160
81500rcu_preempt0-21swapper/008:19:570
81500rcu_preempt0-21swapper/008:14:540
81500rcu_preempt0-21swapper/007:31:170
146250500irq/28-eth0-rx-0-21swapper/108:59:591
146250500irq/28-eth0-rx-0-21swapper/108:33:121
6911994946cyclictest945-21usb-storage07:35:031
81470rcu_preempt13629-21fw_forwarded_lo07:40:020
81460rcu_preempt3913-21df09:10:011
81460rcu_preempt0-21swapper/008:29:120
6910994137cyclictest945-21usb-storage09:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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