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2026-06-08 - 01:52
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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 100 highest latencies:
System rack3slot7.osadl.org (updated Mon Jun 08, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140170ksoftirqd/09086-21kworker/0:219:02:040
14991330watchdog/08438-21missed_timers00:07:350
14991310watchdog/02298-21cstates23:47:350
14991280watchdog/030398-21runrttasks23:34:350
14991270watchdog/018781-21df_inode21:12:150
14991260watchdog/04323-21runrttasks22:10:470
14991240watchdog/026225-21mailstats21:37:030
14991240watchdog/024378-21chrt19:45:100
14991230watchdog/0738-21missed_timers21:57:350
14991230watchdog/015227-21latency_hist00:31:510
14991220watchdog/012944-21aten2.4_r3power22:37:270
14991210watchdog/013162-21cstates20:52:350
21965211911sleep022002-21munin-node21:22:160
14991190watchdog/06159-21sendmail_mailtr20:32:030
14991190watchdog/05280-21munin-node23:57:350
14991190watchdog/015412-21munin-node21:02:030
14991170watchdog/06110-21mailstats00:02:030
14991170watchdog/018827-21rt-features22:57:150
14991170watchdog/012950-21aten2.4_r3power00:22:310
14991150watchdog/022505-21aten2.4_r3power19:37:340
14991150watchdog/018081-21runrttasks22:54:430
14991150watchdog/010951-21ntp_offset22:32:110
14991130watchdog/02298-21missed_timers22:02:350
2234501090irq/11-eth0240912sleep023:13:250
806501070irq/14-ide020378-21df_inode21:17:140
806501010irq/14-ide030708-21latency_hist21:51:510
2234501010irq/11-eth022693-21chrt23:09:350
2234501000irq/11-eth028313-21nfs_client19:57:240
80650970irq/14-ide026489-21df_inode23:22:140
223450970irq/11-eth0287952sleep023:29:020
223450970irq/11-eth014099-21grep22:42:140
223450970irq/11-eth010911-21swap00:17:100
12111989582cyclictest0-21swapper20:27:300
223450910irq/11-eth013881-21mailstats20:57:020
1499910watchdog/0156762chrt19:17:100
78628912sleep0841-21aten2.4_r3power20:12:350
1499890watchdog/0198382sleep019:30:540
1499880watchdog/025365-21chrt19:47:260
1499850watchdog/04917-21awk22:12:150
1499850watchdog/020564-21nfs_client23:02:230
12111988428cyclictest12859-21nfs_client19:07:190
1499830watchdog/03880-21sendmail_mailqu20:22:350
1499830watchdog/015599-21basename22:47:110
1499820watchdog/08780-21seq22:24:190
1499820watchdog/03530-21nfs_client23:52:230
1499810watchdog/030488-21seq20:04:430
1499810watchdog/0286752sleep021:42:430
1499810watchdog/02580-21snmpd19:15:300
1499810watchdog/024842-21load23:17:110
12111988112cyclictest17003-21munin-node19:22:340
12111988029cyclictest31758-21chrt21:52:470
12111987915cyclictest9163-21munin-node00:12:100
12111987912cyclictest32098-21runrttasks23:40:480
932127812sleep09397-21uptime22:27:090
223450770irq/11-eth027656-21latency_hist19:56:520
12111987712cyclictest30867-21munin-node20:07:150
12111987711cyclictest1094-21runrttasks23:45:070
80650760irq/14-ide017122-21df21:07:080
1499760watchdog/024018-21aten2.4_r3power21:27:350
12111987615cyclictest10723-21cat20:46:520
12111987614cyclictest9014-21chrt20:40:580
12111987614cyclictest6524-21unixbench_singl22:17:150
12111987612cyclictest15699-21unixbench_singl00:32:160
12111987612cyclictest10659-21latency_hist20:46:520
1499750watchdog/01771-21munin-node20:17:150
12111987413cyclictest24663-21munin-node21:32:320
12111987413cyclictest20095-21mailstats19:32:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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