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2026-05-07 - 08:36
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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 rackdslot3.osadl.org (updated Thu May 07, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13692200167,22sleep30-21swapper/319:05:513
16872199165,23sleep00-21swapper/019:09:490
15012198165,22sleep20-21swapper/219:07:262
16412196163,22sleep10-21swapper/119:09:151
544221420,4sleep2199999cyclictest23:45:182
1394918263,10phc2sys0-21swapper/319:10:003
1997997020,5cyclictest25-21ksoftirqd/119:15:141
1997997020,5cyclictest25-21ksoftirqd/119:15:141
263582640,3sleep30-21swapper/300:30:123
2000996232,11cyclictest41-21ksoftirqd/320:40:173
1997996027,5cyclictest25-21ksoftirqd/121:50:011
1997995828,4cyclictest25-21ksoftirqd/119:55:011
24472560,3sleep22448-21fschecks_count19:10:142
277092550,26sleep233-21ksoftirqd/221:10:132
2000995310,10cyclictest41-21ksoftirqd/321:20:033
1997995324,9cyclictest25-21ksoftirqd/119:10:271
200099529,8cyclictest41-21ksoftirqd/319:20:133
2000995217,7cyclictest41-21ksoftirqd/321:20:003
1999995216,9cyclictest33-21ksoftirqd/220:45:182
1996995230,6cyclictest9-21ksoftirqd/019:35:010
267532510,1sleep20-21swapper/220:00:172
2000995120,4cyclictest41-21ksoftirqd/321:35:153
2000995119,4cyclictest41-21ksoftirqd/323:10:153
2000995116,7cyclictest41-21ksoftirqd/319:55:133
2000995022,4cyclictest41-21ksoftirqd/319:35:003
2000995017,7cyclictest41-21ksoftirqd/320:20:003
2000995017,4cyclictest41-21ksoftirqd/322:15:133
2000995017,4cyclictest41-21ksoftirqd/322:15:133
2000995015,3cyclictest41-21ksoftirqd/319:45:173
2000995013,7cyclictest41-21ksoftirqd/322:30:003
139391500,1ptp4l401ktimersoftd/323:31:133
200099499,7cyclictest41-21ksoftirqd/323:05:253
2000994916,9cyclictest41-21ksoftirqd/300:35:143
2000994913,9cyclictest41-21ksoftirqd/319:15:253
2000994913,9cyclictest41-21ksoftirqd/319:15:253
2000994913,8cyclictest41-21ksoftirqd/323:25:173
2000994913,4cyclictest41-21ksoftirqd/321:30:143
2000994911,8cyclictest41-21ksoftirqd/322:50:013
1997994916,4cyclictest25-21ksoftirqd/121:10:001
200099487,7cyclictest41-21ksoftirqd/321:55:283
2000994819,3cyclictest41-21ksoftirqd/319:25:233
2000994818,4cyclictest41-21ksoftirqd/323:17:203
2000994813,6cyclictest41-21ksoftirqd/322:15:003
200099476,10cyclictest41-21ksoftirqd/322:55:163
2000994719,7cyclictest41-21ksoftirqd/323:00:183
2000994718,7cyclictest41-21ksoftirqd/322:05:173
2000994717,7cyclictest41-21ksoftirqd/300:20:193
2000994717,4cyclictest41-21ksoftirqd/323:43:083
2000994717,3cyclictest41-21ksoftirqd/321:50:143
2000994715,9cyclictest41-21ksoftirqd/322:25:003
2000994712,8cyclictest41-21ksoftirqd/320:25:003
2000994710,8cyclictest41-21ksoftirqd/320:35:243
2000994710,7cyclictest41-21ksoftirqd/322:30:243
200099470,6cyclictest41-21ksoftirqd/321:15:003
199799473,2cyclictest121rcu_preempt20:14:591
199699475,3cyclictest9-21ksoftirqd/020:55:270
43482460,2sleep10-21swapper/120:20:181
200099467,7cyclictest41-21ksoftirqd/323:50:133
2000994617,8cyclictest41-21ksoftirqd/322:00:143
2000994616,7cyclictest41-21ksoftirqd/321:00:013
2000994612,6cyclictest41-21ksoftirqd/319:50:113
2000994612,4cyclictest41-21ksoftirqd/300:05:013
2000994610,7cyclictest41-21ksoftirqd/323:55:143
2000994610,7cyclictest41-21ksoftirqd/323:55:143
1999994640,3cyclictest23355-21tr21:00:192
1996994629,8cyclictest9-21ksoftirqd/021:45:130
200099459,8cyclictest41-21ksoftirqd/300:20:003
200099456,7cyclictest41-21ksoftirqd/320:25:183
200099450,7cyclictest41-21ksoftirqd/320:30:123
1999994540,3cyclictest8156-21cron20:30:012
1997994533,2cyclictest25-21ksoftirqd/122:20:001
1997994533,2cyclictest25-21ksoftirqd/122:20:001
200099448,9cyclictest41-21ksoftirqd/319:35:233
200099445,2cyclictest41-21ksoftirqd/322:35:203
2000994434,3cyclictest41-21ksoftirqd/322:45:003
2000994417,7cyclictest41-21ksoftirqd/322:50:173
2000994410,7cyclictest41-21ksoftirqd/321:05:513
1999994427,9cyclictest33-21ksoftirqd/222:25:012
1999994426,9cyclictest33-21ksoftirqd/220:35:012
199699442,4cyclictest9-21ksoftirqd/023:20:150
200099435,4cyclictest41-21ksoftirqd/321:40:263
200099431,3cyclictest121rcu_preempt20:45:233
2000994313,3cyclictest41-21ksoftirqd/323:20:173
2000994312,8cyclictest41-21ksoftirqd/321:00:263
2000994310,11cyclictest41-21ksoftirqd/323:45:233
1999994323,10cyclictest33-21ksoftirqd/219:35:192
199999430,5cyclictest0-21swapper/223:25:232
1996994317,3cyclictest9-21ksoftirqd/000:20:140
199699431,6cyclictest9-21ksoftirqd/022:20:260
200099429,8cyclictest41-21ksoftirqd/320:05:263
200099429,6cyclictest41-21ksoftirqd/300:05:223
200099426,4cyclictest41-21ksoftirqd/300:15:003
2000994230,3cyclictest41-21ksoftirqd/321:49:473
1999994227,5cyclictest33-21ksoftirqd/222:50:182
1999994213,18cyclictest33-21ksoftirqd/222:00:192
199799423,9cyclictest25-21ksoftirqd/121:40:131
1997994236,3cyclictest25-21ksoftirqd/122:35:001
1997994210,4cyclictest25-21ksoftirqd/123:40:191
200099414,3cyclictest121rcu_preempt23:35:163
2000994113,3cyclictest41-21ksoftirqd/319:40:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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