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2025-07-02 - 12:49
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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 Wed Jul 02, 2025 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
650399101065343,4712cyclictest13889-21kworker/0:219:14:360
65039996625153,4498cyclictest13788-21kworker/0:221:03:010
65039992194604,4563cyclictest24613-21kworker/0:019:57:030
65039991054696,4398cyclictest13889-21kworker/0:219:16:460
65039990714657,4409cyclictest13889-21kworker/0:219:25:200
65039986624569,4082cyclictest13889-21kworker/0:219:35:540
65039986424334,4285cyclictest30744-21kworker/0:021:51:460
65039985404291,4197cyclictest28873-21kworker/0:120:07:540
65039983954237,4147cyclictest13889-21kworker/0:219:49:590
65039978564246,3595cyclictest30744-21kworker/0:022:12:470
65039975743897,3653cyclictest17978-21kworker/0:123:57:190
65039975673918,3634cyclictest985-21kworker/0:100:21:430
65039974843951,3518cyclictest22889-21kworker/0:122:34:390
65039974734027,3395cyclictest9882-21kworker/0:020:47:270
65039969993586,3353cyclictest30744-21kworker/0:022:09:440
65039969403474,3414cyclictest8358-21kworker/0:123:13:110
65039968813627,3202cyclictest985-21kworker/0:100:19:290
65039967693722,3036cyclictest13889-21kworker/0:219:42:480
65039966063315,3268cyclictest25571-21kworker/0:221:25:280
65039965803522,2891cyclictest10915-21kworker/0:223:28:580
65039965333558,2915cyclictest17978-21kworker/0:123:47:430
65039964953258,3214cyclictest8358-21kworker/0:123:15:150
65039964703247,3200cyclictest28237-21kworker/0:222:57:530
65039963633364,2938cyclictest28873-21kworker/0:120:34:460
65039962823170,3082cyclictest10915-21kworker/0:223:31:590
65039961663497,2655cyclictest13889-21kworker/0:219:34:290
65039961533281,2857cyclictest25571-21kworker/0:221:22:480
65039961173056,3008cyclictest28873-21kworker/0:120:22:470
65039960913170,2907cyclictest22889-21kworker/0:122:36:380
65039957653125,2636cyclictest28873-21kworker/0:120:36:210
65039955222861,2610cyclictest28237-21kworker/0:222:54:390
65039950222652,2359cyclictest13889-21kworker/0:219:20:510
65039947592570,2137cyclictest30744-21kworker/0:021:48:470
65039932803195,35cyclictest28873-21kworker/0:120:18:490
65039959654,89cyclictest11-21ksoftirqd/022:01:140
65039957254,458cyclictest14207-21ssh00:37:020
60132572183,199sleep00-21swapper19:06:360
65039950855,439cyclictest31811-21ssh00:04:470
65039949255,376cyclictest4278-21kworker/u2:023:20:100
65039947853,364cyclictest29016-21ssh22:45:300
65039947852,365cyclictest9226-21ssh21:59:450
65039947235,437cyclictest0-21swapper20:01:290
6503994634,445cyclictest0-21swapper20:54:190
6503994601,445cyclictest0-21swapper20:44:360
65039945191,187cyclictest11-21ksoftirqd/023:44:430
6503994514,432cyclictest4897-21runrttasks00:31:400
6503994434,369cyclictest19534-19diskmemload00:26:220
6503994421,249cyclictest15394-21fschecks_count20:56:510
65039944152,375cyclictest31755-21df_abs21:35:590
6503994402,368cyclictest203482sleep022:25:390
6503994394,374cyclictest19395-21ssh22:22:400
6503994361,373cyclictest6129-21ssh23:06:390
6503994355,369cyclictest4897-21runrttasks00:11:520
65039943271,300cyclictest979-21ssh00:07:000
6503994271,249cyclictest1235-21ssh21:41:010
65039941952,345cyclictest29830-21cut21:30:590
65039941853,350cyclictest19534-21diskmemload21:19:130
65039941353,345cyclictest19654-21ssh23:36:470
65039941153,343cyclictest20302-21runrttasks21:10:510
65039940954,341cyclictest28237-21kworker/0:222:42:520
65039940754,340cyclictest16186-21ssh22:15:150
65039940753,354cyclictest0-21swapper19:54:240
65039940644,87cyclictest2775-21munin-node20:25:140
65039940253,349cyclictest0-21swapper20:11:050
65039939533,362cyclictest0-21swapper23:02:080
65039936375,275cyclictest11-21ksoftirqd/021:08:360
65039923722,202cyclictest4611-21snmpd23:52:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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