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2026-06-27 - 02:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rack6slot5.osadl.org (updated Sat Jun 27, 2026 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5499997345194,4538cyclictest8872-21kworker/0:019:12:010
323942784186,204sleep00-21swapper19:05:300
5499951015,434cyclictest8681-21sed23:20:170
5499949537,398cyclictest17741-21cron22:30:020
5499949314,418cyclictest30363-21munin-node00:06:220
5499949237,394cyclictest4924-21runrttasks22:35:450
5499949137,394cyclictest1210-21ssh21:53:510
5499948963,249cyclictest4924-21runrttasks22:10:000
5499948835,392cyclictest22662-21sed21:30:230
5499948347,366cyclictest4780-21nfs_client22:00:540
5499948334,387cyclictest10900-21ntp_states00:35:210
5499948033,386cyclictest21380-21ssh21:26:290
5499947437,376cyclictest19909-21ssh21:24:140
5499947437,262cyclictest19908-21ssh22:34:280
5499947335,367cyclictest328-21sed20:35:190
5499946935,364cyclictest12295-21cpuspeed21:05:480
5499946915,393cyclictest9996-21ssh00:32:210
5499946740,413cyclictest190862sleep023:41:330
5499946713,393cyclictest3037-21ssh00:17:320
5499946435,415cyclictest5052-21mailstats19:20:150
5499946414,390cyclictest22402-21munin-node23:52:310
5499946335,413cyclictest14220-21mailstats19:45:120
5499946335,245cyclictest4944-19udevd23:11:200
5499946135,365cyclictest2755-21cut20:40:380
5499946116,385cyclictest344450irq/10-eth021:47:190
5499945934,410cyclictest6846-21awk23:15:410
5499945934,363cyclictest27013-21cron20:20:010
5499945735,408cyclictest7742-21munin-node20:55:220
5499945734,409cyclictest20394-21sort20:00:360
5499945734,353cyclictest32704-21missed_timers00:11:210
5499945235,357cyclictest13172-21diskmemload22:41:290
5499945038,351cyclictest28041-21ssh00:01:160
5499944971,88cyclictest6398-21awk20:50:300
5499944937,352cyclictest31222sleep021:57:060
5499944935,354cyclictest26856-21ssh00:00:040
5499944834,353cyclictest11896-21chrt19:37:020
5499944663,204cyclictest17361-21ssh21:18:140
5499944416,368cyclictest4256-21nscd23:47:070
5499944134,337cyclictest27248-21munin-node20:20:170
5499944066,360cyclictest14729-21ssh22:21:520
5499943966,360cyclictest13570-21grep21:10:300
5499943951,366cyclictest31748-21sort20:30:530
5499943935,345cyclictest22285-21kworker/u2:121:43:490
5499943876,187cyclictest13-21rcuc/022:13:330
5499943777,348cyclictest351950irq/10-yenta22:18:030
5499943765,359cyclictest6424-21cut00:25:300
5499943735,342cyclictest634-21fschecks_count23:01:460
5499943666,356cyclictest30209-21sort20:26:090
5499943664,359cyclictest24791-21ssh22:45:130
5499943463,359cyclictest31119-21ssh22:58:040
5499943235,383cyclictest13172-21diskmemload23:31:460
5499943137,380cyclictest2536-21ssh23:06:120
5499943133,384cyclictest13172-21diskmemload23:28:390
5499943054,364cyclictest17611-21chrt23:39:470
5499942866,302cyclictest13-21rcuc/000:40:300
5499942633,380cyclictest13172-21diskmemload00:23:360
5499942414,396cyclictest25637-21awk21:35:560
5499941139,359cyclictest0-21swapper20:12:060
5499940940,356cyclictest4924-21runrttasks22:52:000
5499940636,357cyclictest0-21swapper19:25:100
5499939734,363cyclictest0-21swapper21:02:330
5499939729,354cyclictest175732chrt19:53:150
5499938828,302cyclictest0-21swapper19:18:300
5499938134,287cyclictest8776-21grep19:30:180
5499938034,331cyclictest14095-21sh19:45:010
5499937536,325cyclictest344450irq/10-eth020:05:260
5499937431,284cyclictest19015-21perl19:56:070
5499935935,309cyclictest4924-21runrttasks20:45:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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