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2026-06-26 - 10:20
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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 376 highest latencies:
System rack3slot7.osadl.org (updated Fri Jun 26, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140160ksoftirqd/012742-21kworker/0:219:00:520
14991260watchdog/019468-21sendmail_mailqu00:11:220
14991240watchdog/022404-21entropy00:21:140
14991220watchdog/0273442sleep022:51:340
14991200watchdog/03140-21idleruntime-cro23:20:380
14991190watchdog/018546-21sh00:10:380
14991180watchdog/024635-21runrttasks00:29:540
14991180watchdog/010142-21sh23:41:180
14991170watchdog/05041-21ntp_offset21:40:580
14991170watchdog/016350-21timerandwakeup00:01:220
14991170watchdog/013351-21cstates23:51:220
14991160watchdog/0275122sleep019:22:140
14991160watchdog/017692-21nfs_client20:36:060
14991140watchdog/031692-21aten2.4_r3power23:06:140
14991140watchdog/013864-21chrt20:24:300
14991140watchdog/011120-21if_eth020:15:500
14991130watchdog/08141-21aten2.4_r3power21:50:580
14991120watchdog/015960-21df_inode20:31:020
14991120watchdog/014673-21cut23:56:180
14991100watchdog/02792-21runrttasks19:43:380
14991090watchdog/07336-21chrt23:32:100
14991080watchdog/028197-21cut21:10:580
14991080watchdog/014523-21aten2.4_r3power22:11:060
3675210711sleep03725-21unixbench_singl19:51:030
14991060watchdog/03259-21munin-node23:21:220
14991060watchdog/01922-21aten2.4_r3power21:30:580
14991060watchdog/015216-21seq20:27:580
14991050watchdog/024762-21apt22:45:380
2234501040irq/11-eth018845-21sensors_temp20:40:520
14991030watchdog/020367-21idleruntime20:45:500
2234501020irq/11-eth011704-21aten2.4_r3power22:01:190
2234501010irq/11-eth024958-21runrttasks00:30:560
1499990watchdog/05273-21nfs_client23:26:060
1499990watchdog/016256-21if_err_eth022:16:140
223450960irq/11-eth06812-21unixbench_singl20:01:030
223450940irq/11-eth029645-21mailstats19:30:520
80650900irq/14-ide018825-21df22:25:560
223450840irq/11-eth029139-21runrttasks22:58:360
223450840irq/11-eth012564-21mailstats22:05:490
223450830irq/11-eth025353-21unixbench_singl19:16:020
223450830irq/11-eth011000-21sendmail_mailst23:45:490
21619988313cyclictest6625-21cpu21:46:010
21619988313cyclictest25329-21basename22:46:070
223450820irq/11-eth010139-21wc21:56:170
21619988113cyclictest31777-21aten2.4_r3power21:21:170
21619988112cyclictest29884-21unixbench_singl23:01:040
1499810watchdog/024259-21aten2.4_r3power20:56:220
223450800irq/11-eth03946-21aten2.4_r3power21:36:140
21619988013cyclictest22296-21nfs_client20:51:080
21619988013cyclictest20825-21needreboot22:31:110
21619988012cyclictest22536-21processes19:06:150
21619988011cyclictest414-21cpu21:26:000
21619987913cyclictest9535-21mailstats20:10:510
21619987913cyclictest5346-21nfs_client19:56:080
21619987913cyclictest20726-21nfs_client00:16:100
21619987912cyclictest26458-21munin-node21:06:150
1499790watchdog/08233-21df_inode23:36:020
21619987834cyclictest2131-21grep19:46:030
21619987812cyclictest17171-21munin-node22:20:570
21619987714cyclictest23433-21mailstats19:10:490
21619987712cyclictest29998-21aten2.4_r3power21:16:050
21619987712cyclictest22307-21nfs_client22:36:070
223450760irq/11-eth026397-21latency_hist21:05:390
21619987613cyclictest8290-21df_inode20:06:020
21619987612cyclictest28682-21aten2.4_r3power19:26:120
21619987611cyclictest815-21aten2.4_r3power23:11:170
223450750irq/11-eth031841-21tail19:36:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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