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2026-04-04 - 15:57
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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 highest latencies:
System rack3slot7.osadl.org (updated Sat Apr 04, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/030753-21kworker/0:206:57:520
14991200watchdog/03019-21runrttasks07:56:020
14991190watchdog/03019-21runrttasks10:15:140
14991170watchdog/018777-21df_inode11:18:020
14991160watchdog/020856-21latency09:38:180
14991160watchdog/011299-21munin-node07:23:180
14991150watchdog/031285-21nfs_client11:58:060
14991150watchdog/026474-21aten2.4_r3power09:57:580
14991150watchdog/024267-21chrt08:04:460
14991140watchdog/03019-21runrttasks11:32:500
14991140watchdog/029437-21awk10:07:540
14991130watchdog/06670-21nfs_client08:53:060
14991120watchdog/012711-21needreboot07:28:100
14991090watchdog/026350-21if_eth008:12:500
14991090watchdog/018625-21idleruntime09:32:500
14991080watchdog/04530-21latency_hist08:47:380
14991070watchdog/05050-21munin-node07:03:140
14991070watchdog/017376-21unixbench_singl09:28:020
14991060watchdog/05044-21sensors_fan10:33:020
14991060watchdog/039992sleep010:28:340
14991060watchdog/03019-21runrttasks11:10:420
14991050watchdog/024752-21sh11:37:500
823501040irq/14-ide029148-21latency_hist11:52:390
14991040watchdog/012263-21latency_hist10:57:380
14991020watchdog/03019-21runrttasks08:01:220
14991020watchdog/01623-21sensors08:37:500
14991010watchdog/03019-21runrttasks10:42:100
1499990watchdog/014307-21munin-node07:33:020
1499980watchdog/03019-21runrttasks09:18:100
1499980watchdog/0133922sleep010:59:420
1499970watchdog/07635-21latency_hist12:27:380
1499970watchdog/03019-21runrttasks12:18:420
1499970watchdog/03019-21runrttasks10:23:180
246050960irq/11-eth03019-21runrttasks11:32:380
1499960watchdog/09362-21idleruntime09:02:500
1499960watchdog/03019-21runrttasks10:21:100
1499960watchdog/020777-21sed11:23:180
1499950watchdog/01212-21seq08:35:580
1499920watchdog/013082-21head09:13:140
1499900watchdog/016213-21wc09:23:180
1499900watchdog/015323-21latency_hist11:07:380
1499890watchdog/07017-21aten2.4_r3power12:23:220
1499880watchdog/021591-21sort09:42:380
4124988722cyclictest25311-21kernelversion09:53:110
1499870watchdog/017147-21swap11:12:540
1499860watchdog/08835-21seq07:17:140
4124988513cyclictest28714-21cut08:18:200
4124988512cyclictest23164-21mailstats09:47:480
1499850watchdog/08420-21sed10:43:180
1499850watchdog/03470-21munin-node08:43:020
1499850watchdog/01495-21grep12:07:500
1499840watchdog/03019-21runrttasks11:54:100
1499840watchdog/01376-21ls12:07:380
1499830watchdog/010473-21latency_hist07:22:380
4124988220cyclictest29873-21nfs_client08:23:060
4124988213cyclictest10818-21munin-node09:08:070
1499820watchdog/03797-21cat12:13:180
1499820watchdog/027992-21aten2.4_r3power10:02:540
2692528112sleep026983-21ls11:43:210
1499810watchdog/08288-21nfs_client08:58:060
1499810watchdog/06269-21grep07:08:020
1499810watchdog/020018-21latency_hist07:52:380
1499800watchdog/031855-21seq08:28:460
1499800watchdog/0181912sleep007:45:300
4124987913cyclictest24730-21munin-node08:08:070
1499790watchdog/015559-21sed07:37:500
1499770watchdog/09276-21sendmail_mailst10:47:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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