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2026-03-21 - 00:45
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Fri Mar 20, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27134993347737,0cyclictest30534-21ls09:04:370
27134992770182,0cyclictest27226-21sort07:04:340
27134992661580,0cyclictest27251-21munin-node12:04:370
27134992602603,0cyclictest2152-21munin-node07:29:360
27134992584916,0cyclictest20955-21modprobe08:31:560
27134992348267,0cyclictest31693-1kworker/0:1H11:04:360
27134992328756,0cyclictest15138-21munin-node11:29:360
27134992323242,0cyclictest31693-1kworker/0:1H10:04:360
27134992315579,0cyclictest1595-21jbd2/hda3-808:24:370
27134992309790,0cyclictest26180-21latency_hist08:49:370
27134992309261,0cyclictest31693-1kworker/0:1H08:04:370
27134992303628,0cyclictest9-21ksoftirqd/008:09:360
27134992294834,0cyclictest999-21runrttasks10:49:370
27134992267579,0cyclictest9-21ksoftirqd/007:39:370
27134992267575,0cyclictest9-21ksoftirqd/009:09:360
27134992263488,0cyclictest9-21ksoftirqd/009:24:360
27134992257304,0cyclictest31693-1kworker/0:1H10:09:370
27134992230277,0cyclictest31693-1kworker/0:1H07:49:370
27134992199518,0cyclictest11515-21latency_hist11:19:350
27134992161519,0cyclictest9-21ksoftirqd/009:29:360
27134992152247,0cyclictest31693-1kworker/0:1H11:09:360
27134992129594,0cyclictest29232-21latency_hist08:59:360
27134991977759,0cyclictest27481-21grep08:54:400
27134991973269,0cyclictest31693-1kworker/0:1H12:19:370
27134991935644,0cyclictest867-21latency_hist07:24:370
27134991931711,0cyclictest9-21ksoftirqd/009:49:390
27134991875467,0cyclictest9-21ksoftirqd/012:14:390
27134991872615,0cyclictest29931-21munin-node10:39:360
27134991825683,0cyclictest9-21ksoftirqd/008:19:370
27134991805623,0cyclictest6255-21sendmail_mailtr07:44:370
27134991798692,0cyclictest22890-21munin-node10:19:360
27134991780608,0cyclictest1595-21jbd2/hda3-812:24:380
27134991755713,0cyclictest10421-21munin-node09:39:370
27134991744435,0cyclictest9-21ksoftirqd/011:49:360
27134991738360,0cyclictest2946-21cat12:29:390
27134991690709,0cyclictest9853-21seq11:14:400
27134991673277,0cyclictest7250-1kworker/0:0H07:19:370
27134991668316,0cyclictest31693-1kworker/0:1H11:59:370
27134991665303,0cyclictest31693-1kworker/0:1H07:59:360
27134991656528,0cyclictest9-21ksoftirqd/009:59:380
27134991644278,0cyclictest31693-1kworker/0:1H09:54:410
27134991639488,0cyclictest9-21ksoftirqd/007:34:460
27134991636231,0cyclictest31693-1kworker/0:1H10:34:520
27134991635591,0cyclictest9-21ksoftirqd/010:24:370
27134991620579,0cyclictest3327-21munin-node09:19:370
27134991616648,0cyclictest26406-21munin-node10:29:360
27134991613282,0cyclictest31693-1kworker/0:1H07:54:400
27134991606640,0cyclictest31686-21munin-node10:44:350
27134991598467,0cyclictest9-21ksoftirqd/008:14:400
27134991576606,0cyclictest20116-21latency_hist11:44:430
2713499157327,0cyclictest31693-1kworker/0:1H09:17:210
27134991563264,0cyclictest7250-1kworker/0:0H07:04:320
27134991556575,0cyclictest8661-21sendmail_mailtr09:34:410
27134991539355,0cyclictest1595-21jbd2/hda3-811:57:070
27134991520546,0cyclictest4143-21fschecks_count10:57:100
27134991489590,0cyclictest9-21ksoftirqd/007:14:510
27134991469333,0cyclictest1595-21jbd2/hda3-811:37:000
27134991467349,0cyclictest1595-21jbd2/hda3-811:02:120
27134991456344,0cyclictest9-21ksoftirqd/011:26:570
27134991445520,0cyclictest9-21ksoftirqd/010:14:470
27134991413259,0cyclictest9-21ksoftirqd/011:42:030
27134991348511,0cyclictest9-21ksoftirqd/012:14:450
27134991323311,0cyclictest9-21ksoftirqd/008:47:010
27134991311506,0cyclictest9-21ksoftirqd/007:09:420
27134991268241,0cyclictest31693-1kworker/0:1H08:34:500
27134991259204,0cyclictest31693-1kworker/0:1H09:44:360
2713499920318,0cyclictest9-21ksoftirqd/008:40:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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