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2025-07-15 - 12:34
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 792 highest latencies:
System rack3slot7.osadl.org (updated Tue Jul 15, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/019058-21kworker/0:219:01:240
14991340watchdog/019802-21timerandwakeup20:06:530
14991310watchdog/08242-21latency_hist19:31:090
14991290watchdog/028319-21mailstats22:21:250
14991280watchdog/016582-21needreboot19:56:450
14991270watchdog/05105-21mailstats22:51:210
14991270watchdog/028178-21latency_hist00:06:100
14991250watchdog/026363-21runrttasks22:14:130
14991230watchdog/026882-21munin-node20:31:290
14991220watchdog/022107-21munin-node22:01:210
14991210watchdog/019676-21telnet21:51:450
14991200watchdog/028842-21awk20:36:410
14991200watchdog/015474-21runrttasks23:23:420
14991180watchdog/0307552sleep000:12:420
14991160watchdog/027840-21runrttasks00:04:020
14991160watchdog/010636-21cstates21:21:570
14991160watchdog/01006-21tr22:36:410
14991130watchdog/05158-21latency_hist19:21:090
14991120watchdog/06702-21wc19:26:090
14991120watchdog/02778-21munin-node00:26:540
14991110watchdog/012885-21munin-node21:31:210
14991100watchdog/01408-21aten2.4_r3power19:06:530
14991090watchdog/01608-21runrttasks00:24:260
21732210112sleep021733-21sshd21:59:050
2435501000irq/11-eth011405-21mailstats19:41:210
243550990irq/11-eth032286-21runrttasks20:46:560
243550990irq/11-eth015338-21aten2.4-expect19:51:530
243550980irq/11-eth031908-21needreboot22:31:430
83850930irq/14-ide024103-21nfs_client22:06:380
243550910irq/11-eth05620-21nfs_client21:06:410
83850880irq/14-ide02183-21df19:11:290
243550880irq/11-eth08907-21munin-node23:01:520
1499870watchdog/012092-21latency21:26:530
32730988413cyclictest10293-21nfs_client19:36:400
243550840irq/11-eth091542sleep021:16:570
243550840irq/11-eth07071-21munin-node22:56:350
1499840watchdog/04132-21nfs_client19:16:410
1499840watchdog/03769-21cpu00:31:340
32730988314cyclictest3612-21munin-node21:01:190
32730988312cyclictest13651-21missed_timers23:16:550
243550830irq/11-eth030099-21runrttasks20:41:310
243550830irq/11-eth015527-21seq21:38:430
1499830watchdog/02996-21runrttasks22:47:370
1499820watchdog/026770-21uname22:16:210
1499820watchdog/0265252sleep020:30:090
32730988113cyclictest3487-21apt-get21:01:080
32730988013cyclictest29957-21df22:26:270
32730988012cyclictest16073-21df21:41:280
2216528012sleep022166-21df23:46:270
1499800watchdog/020938-21df_inode20:11:330
83850790irq/14-ide017641-21df20:01:260
32730987913cyclictest25034-21runrttasks20:25:330
32730987912cyclictest2438-21sh22:41:360
32730987912cyclictest16120-21aten2.4_r3power23:26:280
83850780irq/14-ide023965-21unixbench_singl23:51:380
32730987812cyclictest25147-21munin-node23:56:470
1499780watchdog/02996-21runrttasks00:19:100
32730987713cyclictest10530-21sendmail_mailqu23:06:540
32730987712cyclictest22590-21aten2.4_r3power20:16:360
1499770watchdog/018282-21cstates23:31:540
1499770watchdog/013324-21forks19:46:370
32730987613cyclictest20731-21aten2.4_r3power23:41:290
32730987613cyclictest11588-21df_inode23:11:350
32730987612cyclictest6966-21df_inode21:11:300
32730987513cyclictest916-21aten2.4_r3power20:51:350
32730987513cyclictest2996-21runrttasks23:40:290
32730987513cyclictest17679-21munin-node21:46:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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