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2026-01-07 - 12:41
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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
Characteristics of the highest latencies:
System rack6slot6 (updated Wed Jan 07, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230669910729353486,53709cyclictest14583-21ssh23:09:550
230669910677953403,53310cyclictest3950irq/9-acpi22:56:110
230669910671953394,53325cyclictest0-21swapper00:05:510
230669910663753440,53197cyclictest0-21swapper22:42:370
230669910658953452,53137cyclictest0-21swapper19:24:400
230669910654853388,53070cyclictest0-21swapper19:18:390
230669910654153410,53040cyclictest0-21swapper19:26:310
230669910653153472,53059cyclictest0-21swapper00:39:410
230669910651853478,53040cyclictest0-21swapper20:41:430
230669910648053459,53021cyclictest0-21swapper20:24:180
230669910643753398,53039cyclictest0-21swapper21:26:150
230669910643553438,52997cyclictest0-21swapper21:19:030
230669910641153425,52986cyclictest0-21swapper00:17:550
230669910639453415,52979cyclictest0-21swapper21:42:000
230669910631353478,52835cyclictest0-21swapper23:01:530
230669910630853472,52773cyclictest3950irq/9-acpi22:51:100
230669910622253301,52898cyclictest15482-21ssh22:22:420
230669910622153456,52729cyclictest0-21swapper19:43:260
230669910621253472,52740cyclictest0-21swapper19:58:300
230669910620353467,52736cyclictest0-21swapper19:37:140
230669910617953410,52769cyclictest0-21swapper20:03:110
230669910617753451,52726cyclictest0-21swapper21:05:390
230669910614653396,52750cyclictest0-21swapper19:45:060
230669910603752940,53095cyclictest0-21swapper21:55:440
230669910515053052,52096cyclictest0-21swapper21:38:290
230669910513853034,52102cyclictest0-21swapper00:28:280
23066995360526,53486cyclictest0-21swapper19:33:230
23066995349314,53465cyclictest0-21swapper00:31:390
23066995340926,53383cyclictest0-21swapper22:18:100
23066995328427,0cyclictest0-21swapper23:23:590
23066995327526,326cyclictest0-21swapper23:39:440
23066995315324,0cyclictest0-21swapper20:47:540
23066995307027,53043cyclictest0-21swapper21:00:080
23066995298952977,9cyclictest1987-21ssh22:02:460
230669942872487,1796cyclictest1741-21hald20:55:370
230669924131093,1226cyclictest5350irq/9-uhci_hcd:00:02:000
230669923901025,1240cyclictest25025-21rm22:36:260
230669922831002,1156cyclictest30552-21diskmemload23:51:070
230669922451075,1170cyclictest0-21swapper21:51:430
230669921671032,1100cyclictest0-21swapper23:57:490
23066992055996,1024cyclictest0-21swapper20:05:420
23066992023984,1005cyclictest0-21swapper19:54:290
23066992017980,1002cyclictest0-21swapper23:10:350
23066992008983,1004cyclictest0-21swapper20:32:500
23066991966957,974cyclictest0-21swapper00:21:260
23066991963998,930cyclictest0-21swapper23:16:170
23066991953942,977cyclictest0-21swapper20:26:580
23066991930927,969cyclictest0-21swapper20:14:550
230669919161044,779cyclictest0-21swapper20:51:550
230669919121012,776cyclictest30552-21diskmemload21:22:040
230669918811025,763cyclictest0-21swapper23:28:210
230669918721038,768cyclictest3950irq/9-acpi23:33:520
23066991856927,909cyclictest23030-21ssh00:10:030
23066991844958,886cyclictest0-21swapper22:12:590
230669918391088,629cyclictest2790-21gnome-settings-21:31:070
230669918081056,628cyclictest4264-21ssh23:41:140
230669917971020,376cyclictest0-21swapper22:47:390
230669917561092,598cyclictest3950irq/9-acpi21:45:510
230669916291021,543cyclictest10-21rcuc/022:31:240
230669915001010,422cyclictest0-21swapper22:25:320
230669914981007,426cyclictest0-21swapper23:46:460
230669914881050,343cyclictest0-21swapper22:06:570
230669914861021,376cyclictest0-21swapper21:14:320
230669914831093,390cyclictest0-21swapper20:39:320
23066991480997,416cyclictest0-21swapper20:15:050
23066991157620,533cyclictest2366-21wc19:13:070
1584127420,28sleep016135-21hwlatdetect-tra19:05:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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