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2025-07-14 - 23:03
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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 Mon Jul 14, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/01684-21kworker/0:207:01:530
14991410watchdog/011746-21munin-node09:11:510
14991400watchdog/029260-21vmstat10:06:430
14991360watchdog/010051-21forks07:21:390
14991270watchdog/08593-21latency_hist09:01:110
14991260watchdog/02996-21runrttasks08:08:030
14991260watchdog/015610-21missed_timers11:06:550
2249212511sleep02320-21date12:11:120
14991250watchdog/08036-21chrt10:42:190
14991250watchdog/020959-21latency_hist07:56:110
14991230watchdog/016114-31sh07:41:230
14991220watchdog/027199-21munin-node10:01:230
14991220watchdog/011928-21aten2.4_r3power10:56:310
14991210watchdog/09030-21runrttasks12:31:390
14991180watchdog/031922-21df10:16:270
838501100irq/14-ide02584-21df08:41:310
2435501010irq/11-eth032351-21runrttasks08:31:440
2435501000irq/11-eth02772-21df_inode10:26:400
83850950irq/14-ide018312-21munin-node11:16:400
243550910irq/11-eth05984-21runrttasks08:51:360
1499910watchdog/02996-21runrttasks07:27:510
1499910watchdog/025562-21latency_hist09:56:110
1499910watchdog/023021-21aten2.4_r3power08:01:390
1499910watchdog/010695-21nfs_client10:51:430
1499900watchdog/030465-21aten2.4_r3power10:11:310
1499900watchdog/0190662sleep009:33:590
1499890watchdog/02996-21runrttasks11:59:590
1499880watchdog/025460-21latency_hist11:41:110
4746988713cyclictest20954-21munin-node11:26:290
243550870irq/11-eth08929-21cpu09:01:360
243550870irq/11-eth08556-21telnet07:16:420
243550870irq/11-eth01408-21grep12:06:470
1499870watchdog/028989-21aten2.4_r3power08:21:310
243550860irq/11-eth019801-21unixbench_singl11:21:380
1499860watchdog/06981-21wc12:26:110
4746988515cyclictest13261-21nfs_client07:31:470
4746988413cyclictest31744-21munin-node12:01:400
1499840watchdog/06395-21aten2.4-expect12:21:550
1499830watchdog/023170-21entropy09:46:470
1499830watchdog/0145182sleep009:19:310
83850820irq/14-ide028627-21latency_hist08:21:120
83850820irq/14-ide014797-21df_inode07:36:350
3095728211sleep030960-21munin-node08:26:500
1499820watchdog/05094-21sh07:06:230
4746988113cyclictest19939-21nfs_client09:36:420
4746988113cyclictest1466-21uname10:21:480
4746988112cyclictest18421-21cut07:46:400
1499810watchdog/05026-21runrttasks12:18:150
4746988013cyclictest2996-21runrttasks08:11:450
4746987911cyclictest21384-21unixbench_singl09:41:350
4746987812cyclictest27454-21df_inode11:46:360
4746987812cyclictest25629-21munin-node09:56:220
4746987812cyclictest1388-21nfs_client08:36:430
4746987812cyclictest10746-21nfs_client09:06:420
4746987811cyclictest4521-21nfs_client10:31:440
4746987712cyclictest9470-21cstates10:46:550
4746987712cyclictest6791-21cpu07:11:370
4746987712cyclictest4930-21aten2.4_r3power08:46:570
4746987712cyclictest13250-21munin-node11:01:260
1499770watchdog/02996-21runrttasks11:31:390
83850760irq/14-ide016717-21df_inode09:26:380
4746987612cyclictest29145-21nfs_client11:51:410
4746987612cyclictest16429-21ntp_states11:11:300
4746987612cyclictest14845-21munin-node09:21:410
4746987513cyclictest6013-21nfs_client10:36:420
4746987512cyclictest21710-21processes07:56:490
4746987312cyclictest24266-21munin-node11:36:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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