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2026-03-26 - 18:58
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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 (updated Thu Mar 26, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt0-21swapper/107:11:111
81750rcu_preempt26797-1kworker/1:0H10:58:451
81730rcu_preempt2726-21if_can109:54:571
81730rcu_preempt26339-21ntp_kernel_err12:40:001
81720rcu_preempt0-21swapper/112:31:471
81710rcu_preempt26871-21sh10:39:350
81700rcu_preempt0-21swapper/112:35:011
81700rcu_preempt0-21swapper/110:21:441
81700rcu_preempt0-21swapper/107:30:041
81700rcu_preempt0-21swapper/012:07:350
81690rcu_preempt0-21swapper/111:04:381
81690rcu_preempt0-21swapper/110:29:521
81690rcu_preempt0-21swapper/110:15:571
81680rcu_preempt4860-21ssh11:59:501
81680rcu_preempt0-21swapper/111:10:371
81680rcu_preempt0-21swapper/109:35:021
81670rcu_preempt12194-21munin-run09:14:391
81670rcu_preempt0-21swapper/111:30:131
81670rcu_preempt0-21swapper/111:22:211
81670rcu_preempt0-21swapper/110:39:431
81670rcu_preempt0-21swapper/012:37:220
81660rcu_preempt21917-21ssh11:29:570
81660rcu_preempt13087-21ssh10:14:021
81660rcu_preempt0-21swapper/110:35:521
81660rcu_preempt0-21swapper/110:02:561
81660rcu_preempt0-21swapper/011:44:570
81660rcu_preempt0-21swapper/008:34:490
81650rcu_preempt30095-21missed_timers08:14:580
81650rcu_preempt0-21swapper/112:28:391
81650rcu_preempt0-21swapper/109:33:491
81650rcu_preempt0-21swapper/109:19:031
81650rcu_preempt0-21swapper/011:55:480
81650rcu_preempt0-21swapper/011:50:020
81650rcu_preempt0-21swapper/010:39:450
81640rcu_preempt0-21swapper/111:50:451
81640rcu_preempt0-21swapper/110:24:461
81640rcu_preempt0-21swapper/108:59:561
81640rcu_preempt0-21swapper/011:42:450
81630rcu_preempt0-21swapper/107:50:001
81630rcu_preempt0-21swapper/012:15:440
81630rcu_preempt0-21swapper/011:20:310
81630rcu_preempt0-21swapper/010:54:550
81630rcu_preempt0-21swapper/008:04:590
147850630irq/30-eth0-tx-15670-21if_eth112:19:580
81620rcu_preempt14573-21ssh12:18:041
81620rcu_preempt10602-21ssh11:08:361
81620rcu_preempt0-21swapper/112:05:561
81620rcu_preempt0-21swapper/007:50:040
81610rcu_preempt1941-21ssh10:52:061
81610rcu_preempt15265-21ssh11:16:001
81610rcu_preempt12422-21ssh12:14:321
81610rcu_preempt0-21swapper/111:24:551
81610rcu_preempt0-21swapper/110:46:251
81610rcu_preempt0-21swapper/012:30:410
81610rcu_preempt0-21swapper/010:05:010
81610rcu_preempt0-21swapper/009:50:500
81610rcu_preempt0-21swapper/009:30:020
81610rcu_preempt0-21swapper/007:29:550
81600rcu_preempt30581-21ssh11:45:171
81600rcu_preempt3-21ksoftirqd/009:48:440
81600rcu_preempt26925-21df11:39:521
81600rcu_preempt0-21swapper/111:56:581
81600rcu_preempt0-21swapper/108:39:521
81600rcu_preempt0-21swapper/108:15:011
81600rcu_preempt0-21swapper/108:09:551
81590rcu_preempt30540-21ssh09:45:441
81590rcu_preempt28041-21ssh09:41:241
81590rcu_preempt20071-21ssh09:27:231
81590rcu_preempt0-21swapper/110:05:531
81590rcu_preempt0-21swapper/109:24:201
81590rcu_preempt0-21swapper/108:49:251
81590rcu_preempt0-21swapper/107:42:231
81590rcu_preempt0-21swapper/012:39:590
81590rcu_preempt0-21swapper/011:12:230
81590rcu_preempt0-21swapper/009:28:380
81590rcu_preempt0-21swapper/009:04:540
81580rcu_preempt4012-21kworker/0:207:09:580
81580rcu_preempt26082-21ssh11:37:451
81580rcu_preempt2374-21apt-get09:54:500
81580rcu_preempt23669-21ssh09:34:510
81580rcu_preempt1018-21ssh09:51:141
81580rcu_preempt0-21swapper/108:25:361
81580rcu_preempt0-21swapper/108:00:011
81580rcu_preempt0-21swapper/107:57:081
81580rcu_preempt0-21swapper/107:45:131
81580rcu_preempt0-21swapper/107:15:181
81580rcu_preempt0-21swapper/010:45:030
81580rcu_preempt0-21swapper/010:30:490
81580rcu_preempt0-21swapper/008:44:570
81570rcu_preempt8152-21mailstats08:55:030
81570rcu_preempt12934-21ssh10:13:300
81570rcu_preempt0-21swapper/112:19:481
81570rcu_preempt0-21swapper/108:49:401
81570rcu_preempt0-21swapper/108:09:111
81570rcu_preempt0-21swapper/107:20:421
81570rcu_preempt0-21swapper/011:59:540
81570rcu_preempt0-21swapper/011:16:310
81570rcu_preempt0-21swapper/010:51:340
81570rcu_preempt0-21swapper/010:28:580
81570rcu_preempt0-21swapper/010:19:170
81570rcu_preempt0-21swapper/010:00:550
81560rcu_preempt27835-21ssh09:40:410
81560rcu_preempt1351-21irqstats08:29:581
81560rcu_preempt0-21swapper/108:36:221
81560rcu_preempt0-21swapper/107:39:181
81560rcu_preempt0-21swapper/012:25:020
81560rcu_preempt0-21swapper/010:19:550
81560rcu_preempt0-21swapper/008:30:060
81560rcu_preempt0-21swapper/007:14:560
81550rcu_preempt30888-21df08:19:531
81550rcu_preempt0-21swapper/009:15:280
81550rcu_preempt0-21swapper/009:00:040
81540rcu_preempt7567-21ssh11:02:320
81540rcu_preempt699-21munin-run08:29:380
81540rcu_preempt0-21swapper/011:04:580
81540rcu_preempt0-21swapper/009:19:590
81540rcu_preempt0-21swapper/008:12:110
81540rcu_preempt0-21swapper/007:55:000
81530rcu_preempt20223-21ssh11:25:100
81530rcu_preempt10532-21ntp_states09:05:001
81530rcu_preempt0-21swapper/012:12:280
14230995349cyclictest945-21usb-storage11:39:010
81520rcu_preempt17143-21df_inode07:24:520
81520rcu_preempt0-21swapper/009:09:430
81520rcu_preempt0-21swapper/008:21:460
81520rcu_preempt0-21swapper/008:04:300
81520rcu_preempt0-21swapper/007:20:280
81510rcu_preempt0-21swapper/108:54:431
81510rcu_preempt0-21swapper/007:41:120
81510rcu_preempt0-21swapper/007:37:310
147650510irq/28-eth0-rx-0-21swapper/107:24:431
81500rcu_preempt0-21swapper/007:45:020
81490rcu_preempt0-21swapper/008:49:560
81480rcu_preempt0-21swapper/008:40:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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