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2026-07-02 - 10:55
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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 Thu Jul 02, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24819967753670,3022cyclictest11141-21kworker/0:019:14:240
24819951192711,2397cyclictest11141-21kworker/0:019:16:010
22432780184,178sleep00-21swapper19:08:400
24819949136,441cyclictest4924-21runrttasks20:58:560
24819948936,439cyclictest23481-21ssh23:50:090
24819948452,190cyclictest24659-21grep22:40:470
24819947736,428cyclictest4924-21runrttasks21:33:100
24819947634,428cyclictest351950irq/10-yenta23:17:510
24819947439,374cyclictest15217-21diskmemload21:39:360
24819946523,381cyclictest4924-21runrttasks19:37:530
24819945457,383cyclictest11-21ksoftirqd/022:12:430
24819945114,423cyclictest4636-21ssh23:07:310
24819945076,361cyclictest32129-21ssh00:08:360
24819945017,372cyclictest26430-21runrttasks23:55:460
2481994501,436cyclictest22686-21ssh23:46:560
2481994470,387cyclictest6156-21strings23:11:000
24819944362,368cyclictest13-21rcuc/022:00:160
24819944256,87cyclictest18611-21ssh22:26:540
24819944060,366cyclictest0-21swapper22:09:500
2481994385,433cyclictest0-21swapper19:44:140
24819943758,366cyclictest28061-21ssh22:48:320
2481994354,416cyclictest15217-21diskmemload00:16:460
24819943357,362cyclictest3135-21ssh21:54:320
2481994301,369cyclictest15217-21diskmemload21:23:200
24819942653,360cyclictest30781-21ssh21:43:230
2481994240,249cyclictest0-21swapper20:12:320
24819942258,178cyclictest12790-21perl00:36:250
24819942157,351cyclictest1155-21smartctl00:11:150
24819941936,88cyclictest21078-21ssh22:32:500
24819941856,349cyclictest4305-21snmpd23:02:540
24819941652,303cyclictest28523-21sh22:50:120
24819941353,347cyclictest8573-21kworker/u2:100:32:490
24819941352,309cyclictest0-21swapper20:45:560
24819941333,366cyclictest897-21jbd2/sda1-821:05:550
24819941051,359cyclictest0-21swapper19:32:200
24819941050,360cyclictest0-21swapper20:44:010
24819940847,302cyclictest0-21swapper23:28:560
24819940635,87cyclictest6900-21ssh00:24:560
24819940631,361cyclictest23279-21ssh22:37:320
24819940622,370cyclictest4305-21snmpd20:34:200
24819940452,292cyclictest13650-21ssh22:16:170
24819940235,353cyclictest13-21rcuc/021:11:180
24819940037,349cyclictest20396-21ssh23:41:490
24819940031,369cyclictest0-21swapper23:37:460
24819940019,367cyclictest29415-21fschecks_count00:01:380
24819939949,338cyclictest8743-21ssh00:27:560
24819939935,304cyclictest16715-21ssh22:23:390
24819939834,341cyclictest9950-21sort23:20:200
24819939635,361cyclictest0-21swapper20:08:460
24819939632,350cyclictest21943-21cat20:00:210
24819939532,350cyclictest5490-21rm21:59:200
24819939434,360cyclictest0-21swapper23:34:420
24819939235,188cyclictest2472-21cyclictest19:50:260
24819939032,345cyclictest344450irq/10-eth021:29:520
24819938417,352cyclictest16965-21strings19:45:420
24819938237,345cyclictest0-21swapper22:56:540
24819938135,346cyclictest0-21swapper20:38:230
24819937832,337cyclictest11-21ksoftirqd/020:17:110
2481993733,370cyclictest0-21swapper19:58:330
2481993723,369cyclictest0-21swapper20:53:520
24819937220,339cyclictest11-21ksoftirqd/021:04:010
2481993722,370cyclictest0-21swapper19:23:510
24819937032,338cyclictest18330-21ssh21:15:530
2481993642,362cyclictest0-21swapper21:48:220
2481993624,358cyclictest0-21swapper20:28:580
24819935492,249cyclictest11-21ksoftirqd/019:25:540
24819934272,258cyclictest0-21swapper20:24:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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