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2026-05-07 - 08:39
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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 100 highest latencies:
System rack6slot5.osadl.org (updated Thu May 07, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60709999075225,4678cyclictest9558-21kworker/0:120:43:590
60709998025137,4654cyclictest9558-21kworker/0:120:49:500
60709992805024,4253cyclictest9558-21kworker/0:119:13:130
60709992564715,4531cyclictest9558-21kworker/0:119:49:340
60709992554814,4436cyclictest9558-21kworker/0:119:54:280
60709989584555,4361cyclictest9558-21kworker/0:120:37:040
60709989474560,4383cyclictest7525-21kworker/0:200:09:500
60709988424602,4229cyclictest9558-21kworker/0:120:26:270
60709987724471,4290cyclictest15819-21kworker/0:221:02:500
60709986504493,4134cyclictest29734-21kworker/0:121:34:080
60709984754403,4047cyclictest15819-21kworker/0:221:24:520
60709981844372,3800cyclictest9558-21kworker/0:120:55:590
60709981464356,3779cyclictest9558-21kworker/0:119:44:450
60709979834354,3614cyclictest17358-21kworker/0:222:42:550
60709979664028,3895cyclictest9558-21kworker/0:120:13:420
60709979024212,3676cyclictest9558-21kworker/0:120:24:510
60709976023832,3727cyclictest9558-21kworker/0:119:30:080
60709975754142,3409cyclictest3687-21kworker/0:021:52:400
60709974613981,3465cyclictest9558-21kworker/0:120:31:120
60709974483882,3523cyclictest9558-21kworker/0:119:25:500
60709973183888,3370cyclictest15819-21kworker/0:221:14:260
60709971163624,3440cyclictest9558-21kworker/0:119:58:050
60709970863896,3175cyclictest24116-21kworker/0:123:50:470
60709970513702,3334cyclictest10542-21kworker/0:023:27:380
60709968773500,3354cyclictest11727-21kworker/0:122:04:000
60709968713669,3188cyclictest29734-21kworker/0:121:40:540
60709967253649,3071cyclictest9558-21kworker/0:119:23:240
60709967223647,3064cyclictest9558-21kworker/0:120:04:310
60709966533675,2963cyclictest17358-21kworker/0:222:39:370
60709966233597,3021cyclictest9558-21kworker/0:119:19:400
60709966123589,3012cyclictest15819-21kworker/0:221:09:050
60709964843529,2951cyclictest9558-21kworker/0:120:15:060
60709964283545,2840cyclictest21236-21kworker/0:100:39:140
60709963893432,2915cyclictest9558-21kworker/0:120:08:230
60709963113398,2862cyclictest9558-21kworker/0:120:54:230
60709960653365,2649cyclictest17358-21kworker/0:222:14:210
60709960233343,2628cyclictest17358-21kworker/0:222:26:390
60709959203216,2693cyclictest15819-21kworker/0:221:16:030
60709946882430,2253cyclictest9558-21kworker/0:119:35:470
60709945084450,44cyclictest17358-21kworker/0:222:16:200
60709945004442,44cyclictest4579-21kworker/0:122:59:260
60709944542463,1948cyclictest24116-21kworker/0:123:48:440
60709937083624,33cyclictest7525-21kworker/0:200:23:190
60709934283341,36cyclictest3687-21kworker/0:021:49:130
60709926092562,34cyclictest7525-21kworker/0:200:25:220
54102781184,203sleep00-21swapper19:05:230
60709949632,458cyclictest31396-21kworker/u2:123:30:080
60709946936,373cyclictest4894-21runrttasks23:15:540
60709946534,361cyclictest14951-21munin-node22:06:020
60709946435,368cyclictest19294-21diskmemload21:38:160
60709946421,89cyclictest2819-21cut23:56:000
60709946132,359cyclictest12-21rcu_preempt23:20:250
60709945835,363cyclictest19294-21diskmemload00:30:410
60709941224,88cyclictest27659-21egrep23:40:310
60709941121,88cyclictest5383-21missed_timers00:01:140
60709940853,340cyclictest24113-21kworker/u2:221:28:240
60709940754,293cyclictest19294-21diskmemload22:49:490
60709940636,356cyclictest11-21ksoftirqd/000:19:330
60709940635,357cyclictest23534-21ssh22:22:000
60709940333,356cyclictest24116-21kworker/0:123:36:200
60709940231,356cyclictest28682-21ssh22:33:210
60709939936,363cyclictest0-21swapper23:04:340
60709939935,342cyclictest19294-21diskmemload23:12:090
60709939521,360cyclictest19294-21diskmemload21:55:440
60709939431,363cyclictest0-21swapper00:12:490
60709938833,243cyclictest4272-21snmpd23:08:240
60709938418,351cyclictest6176-21rm22:54:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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