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2026-03-23 - 06:13
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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 Mon Mar 23, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81860rcu_preempt12051-21k10sensors19:09:530
81770rcu_preempt21746-21munin-run23:39:301
81770rcu_preempt12257-21munin-run19:14:291
81760rcu_preempt5163-21munin-run20:54:291
81730rcu_preempt26005-21ssh21:43:050
81720rcu_preempt9611-21sh22:13:391
81720rcu_preempt9175-21cpu21:09:440
81720rcu_preempt10903-21if_eth021:14:470
81710rcu_preempt13427-21ssh23:22:360
81710rcu_preempt0-21swapper/121:49:581
81710rcu_preempt0-21swapper/121:49:581
81710rcu_preempt0-21swapper/021:51:160
81710rcu_preempt0-21swapper/021:51:160
81700rcu_preempt0-21swapper/121:34:561
81700rcu_preempt0-21swapper/120:09:541
81700rcu_preempt0-21swapper/021:59:560
89850690irq/17-ehci_hcd945-21usb-storage22:56:401
81690rcu_preempt28429-21sh21:47:381
81690rcu_preempt0-21swapper/120:24:121
81690rcu_preempt0-21swapper/021:29:550
81680rcu_preempt10258-21diskmemload23:15:141
81680rcu_preempt0-21swapper/023:16:450
81680rcu_preempt0-21swapper/023:04:070
81670rcu_preempt0-21swapper/122:36:331
81670rcu_preempt0-21swapper/120:24:381
81660rcu_preempt23641-21munin-run19:59:290
81660rcu_preempt21119-21latency_hist19:49:290
81660rcu_preempt20175-21sh23:34:530
81660rcu_preempt0-21swapper/122:04:551
81650rcu_preempt0-21swapper/122:18:511
81650rcu_preempt0-21swapper/121:16:551
81640rcu_preempt0-21swapper/123:09:541
81640rcu_preempt0-21swapper/122:01:121
81640rcu_preempt0-21swapper/121:19:541
81640rcu_preempt0-21swapper/021:58:210
81630rcu_preempt10258-21diskmemload23:34:161
81630rcu_preempt0-21swapper/122:20:501
81630rcu_preempt0-21swapper/100:39:301
81630rcu_preempt0-21swapper/023:49:300
81630rcu_preempt0-21swapper/021:44:470
81630rcu_preempt0-21swapper/020:24:100
81630rcu_preempt0-21swapper/020:04:530
81620rcu_preempt6992-21ssh22:08:570
81620rcu_preempt32260-21apt-get23:59:421
81620rcu_preempt27808-21df_inode20:14:440
81620rcu_preempt27012-21ssh22:45:391
81620rcu_preempt11637-21ssh22:16:430
81620rcu_preempt0-21swapper/023:33:080
81620rcu_preempt0-21swapper/000:39:460
81610rcu_preempt30404-21ssh22:53:490
81610rcu_preempt19899-21rm22:33:220
81610rcu_preempt13054-21kernelversion22:19:490
81610rcu_preempt0-21swapper/122:24:551
81610rcu_preempt0-21swapper/100:09:521
81610rcu_preempt0-21swapper/020:34:550
81610rcu_preempt0-21swapper/000:04:520
81600rcu_preempt31139-21ssh23:56:061
81600rcu_preempt28699-21ssh23:51:201
81600rcu_preempt23859-21ssh23:42:541
81600rcu_preempt16348-21diskstats21:24:450
81600rcu_preempt15622-21sshd23:26:131
81600rcu_preempt12102-21ssh00:24:131
81600rcu_preempt0-21swapper/123:05:001
81600rcu_preempt0-21swapper/121:04:571
81600rcu_preempt0-21swapper/100:09:291
81600rcu_preempt0-21swapper/023:59:420
81590rcu_preempt964-21ssh21:56:021
81590rcu_preempt26039-21ssh23:46:111
81590rcu_preempt17032-21ps19:29:531
81590rcu_preempt12984-21ssh23:20:481
81590rcu_preempt10258-21diskmemload00:11:580
81590rcu_preempt0-21swapper/123:02:321
81590rcu_preempt0-21swapper/122:29:541
81590rcu_preempt0-21swapper/121:41:481
81590rcu_preempt0-21swapper/121:25:411
81590rcu_preempt0-21swapper/120:39:431
81590rcu_preempt0-21swapper/120:19:241
81590rcu_preempt0-21swapper/100:40:421
81590rcu_preempt0-21swapper/100:26:121
81590rcu_preempt0-21swapper/022:37:580
81590rcu_preempt0-21swapper/020:59:430
81590rcu_preempt0-21swapper/000:31:350
81580rcu_preempt9322-21ssh22:12:300
81580rcu_preempt5204-21ssh23:06:160
81580rcu_preempt24647-21ssh22:41:361
81580rcu_preempt2138-21snmpd21:11:461
81580rcu_preempt18877-21ssh00:35:180
81580rcu_preempt14950-21latency_hist00:29:301
81580rcu_preempt10258-21diskmemload22:40:230
81580rcu_preempt0-21swapper/122:49:561
81580rcu_preempt0-21swapper/121:30:531
81580rcu_preempt0-21swapper/121:02:431
81580rcu_preempt0-21swapper/120:29:481
81580rcu_preempt0-21swapper/120:04:471
81570rcu_preempt8640-21ssh23:14:150
81570rcu_preempt31266-21ssh23:56:350
81570rcu_preempt25809-21ssh23:45:240
81570rcu_preempt18569-21sshd19:36:121
81570rcu_preempt0-21swapper/120:54:551
81570rcu_preempt0-21swapper/119:49:471
81570rcu_preempt0-21swapper/023:43:140
81560rcu_preempt19378-21cut19:39:501
81560rcu_preempt16283-21ssh23:28:350
81560rcu_preempt10258-21diskmemload22:45:350
81560rcu_preempt0-21swapper/119:25:401
81560rcu_preempt0-21swapper/021:19:490
81560rcu_preempt0-21swapper/019:49:440
81560rcu_preempt0-21swapper/000:25:190
81560rcu_preempt0-21swapper/000:22:430
81550rcu_preempt2854-21awk20:44:421
81550rcu_preempt15207-21ssh22:24:390
81550rcu_preempt0-21swapper/119:56:441
81550rcu_preempt0-21swapper/022:55:390
81550rcu_preempt0-21swapper/021:34:460
81550rcu_preempt0-21swapper/020:55:490
81550rcu_preempt0-21swapper/020:46:570
81550rcu_preempt0-21swapper/019:59:570
81550rcu_preempt0-21swapper/019:36:510
81540rcu_preempt32280-21python20:29:560
81540rcu_preempt23768-21/usr/sbin/munin19:59:481
81540rcu_preempt20248-21diskstats19:44:441
81540rcu_preempt0-21swapper/020:24:570
81540rcu_preempt0-21swapper/000:15:160
81530rcu_preempt0-21swapper/020:53:530
81530rcu_preempt0-21swapper/020:44:090
81530rcu_preempt0-21swapper/020:09:510
81530rcu_preempt0-21swapper/019:19:300
81530rcu_preempt0-21swapper/019:16:000
81520rcu_preempt0-21swapper/119:20:571
81520rcu_preempt0-21swapper/100:19:071
81520rcu_preempt0-21swapper/019:39:460
81510rcu_preempt401-21diskstats20:34:451
81510rcu_preempt0-21swapper/119:15:311
81500rcu_preempt0-21swapper/019:25:060
81460rcu_preempt0-21swapper/019:30:260
81410rcu_preempt8361-21irqstats21:04:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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