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2025-11-19 - 23:47
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot4.osadl.org (updated Wed Nov 19, 2025 00:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11856682377355,15sleep00-21swapper/019:08:160
11856932371348,15sleep70-21swapper/719:08:3813
11855752361316,14sleep90-21swapper/919:07:0515
11856492356312,14sleep40-21swapper/419:08:0410
11855772355312,14sleep110-21swapper/1119:07:063
11856742354312,14sleep60-21swapper/619:08:2212
11856612354312,14sleep100-21swapper/1019:08:092
11857032352310,33sleep150-21swapper/1519:08:477
11856802351308,14sleep120-21swapper/1219:08:284
11855432348325,15sleep140-21swapper/1419:06:386
11822172345322,15sleep10-21swapper/119:05:041
11854692343320,15sleep20-21swapper/219:05:368
11856812341318,15sleep130-21swapper/1319:08:295
11822302341319,14sleep80-21swapper/819:05:1114
11855712339315,16sleep50-21swapper/519:07:0111
11854702335313,14sleep30-21swapper/319:05:389
118620799295295,0cyclictest0-21swapper/1121:55:183
118618199140139,1cyclictest1330867-21nodev-device-ev21:55:199
118620599132131,1cyclictest0-21swapper/1020:00:222
1186175999796,1cyclictest1296680-21nodev-device-ev21:15:191
118620199940,93cyclictest0-21swapper/919:55:1915
1186189998988,1cyclictest1433466-21nodev-device-ev23:55:2111
1186201998887,1cyclictest0-21swapper/922:45:2115
1186195998786,1cyclictest0-21swapper/720:30:1913
1186205997675,1cyclictest1288122-21nodev-device-ev21:05:212
1186199997675,1cyclictest1365056-21nodev-device-ev22:35:2014
1186195997574,1cyclictest1309490-21nodev-device-ev21:30:2113
1186195997574,1cyclictest1309490-21nodev-device-ev21:30:2013
1186185997574,1cyclictest1271007-21nodev-device-ev20:45:2010
1186181997372,1cyclictest1253912-21nodev-device-ev20:25:189
1186199997069,1cyclictest1407821-21nodev-device-ev23:25:2014
1186215996867,1cyclictest0-21swapper/1319:10:185
1186191996867,1cyclictest1275294-21nodev-device-ev20:50:1912
1186175996766,1cyclictest1386443-21nodev-device-ev23:00:201
1186171996766,1cyclictest0-21swapper/022:35:200
1186220996463,1cyclictest0-21swapper/1520:10:227
1186181996463,1cyclictest1266751-21nodev-device-ev20:40:239
1186181996463,1cyclictest0-21swapper/319:45:219
1186171996160,1cyclictest0-21swapper/023:25:200
12267572580,0sleep130-21swapper/1319:55:135
1186215995857,1cyclictest0-21swapper/1321:45:215
1186215994645,1cyclictest1249655-21nodev-device-ev20:20:195
1186189994645,1cyclictest1188703-21nodev-device-ev19:10:1811
1186185994342,1cyclictest0-21swapper/421:00:1910
1186179994238,4cyclictest0-21swapper/200:24:448
1186185994140,1cyclictest0-21swapper/421:25:2110
1186179994137,4cyclictest0-21swapper/200:02:128
1186215993937,1cyclictest0-21swapper/1322:05:205
1186201993939,0cyclictest0-21swapper/923:07:4215
1186217993736,1cyclictest0-21swapper/1420:50:196
118620599371,11cyclictest0-21swapper/1022:41:402
1186199993736,1cyclictest0-21swapper/800:35:2114
1186179993737,0cyclictest0-21swapper/223:45:228
1186189993635,1cyclictest1322324-21nodev-device-ev21:45:2111
1186185993636,0cyclictest0-21swapper/400:24:4410
1186179993636,0cyclictest0-21swapper/222:25:228
1186179993633,3cyclictest0-21swapper/223:40:208
1186179993535,0cyclictest0-21swapper/221:40:268
1186179993535,0cyclictest0-21swapper/221:40:268
1186179993535,0cyclictest0-21swapper/219:45:158
1186179993535,0cyclictest0-21swapper/219:20:178
1186179993532,0cyclictest0-21swapper/221:54:268
118620199345,29cyclictest0-21swapper/922:29:0815
1186179993434,0cyclictest0-21swapper/200:10:268
1186201993333,0cyclictest0-21swapper/921:12:5015
1186179993333,0cyclictest0-21swapper/223:35:308
1186179993333,0cyclictest0-21swapper/221:55:138
1186179993332,1cyclictest1454872-21kworker/2:1-mm_percpu_wq00:25:228
1186179993332,1cyclictest1306558-21kworker/u32:2+flush-259:022:05:218
1186179993321,12cyclictest1293627-21kworker/2:1+mm_percpu_wq22:10:268
1186179993321,12cyclictest0-21swapper/223:16:128
1186179993321,12cyclictest0-21swapper/222:52:588
1186179993321,12cyclictest0-21swapper/222:02:068
1186179993321,12cyclictest0-21swapper/219:10:258
1186179993320,12cyclictest1238204-21kworker/2:2-events_power_efficient20:35:148
118620599328,11cyclictest0-21swapper/1019:34:572
1186205993219,13cyclictest0-21swapper/1023:25:372
1186179993232,0cyclictest1293627-21kworker/2:1-rcu_gp21:20:208
1186179993232,0cyclictest1225521-21kworker/2:0-events19:55:238
1186179993232,0cyclictest0-21swapper/221:25:248
1186179993232,0cyclictest0-21swapper/221:15:228
1186179993231,0cyclictest0-21swapper/221:45:168
1186179993220,12cyclictest0-21swapper/223:25:248
1186179993220,12cyclictest0-21swapper/220:55:548
118620599317,11cyclictest0-21swapper/1021:24:472
1186179993131,0cyclictest0-21swapper/223:55:248
1186179993131,0cyclictest0-21swapper/223:10:268
1186179993131,0cyclictest0-21swapper/223:00:208
1186179993131,0cyclictest0-21swapper/200:39:548
1186179993119,12cyclictest0-21swapper/220:43:108
1186179993119,12cyclictest0-21swapper/200:31:108
118617999310,1cyclictest1434798-21kworker/2:2+mm_percpu_wq00:05:228
1186215993029,1cyclictest0-21swapper/1320:05:205
118620599306,11cyclictest0-21swapper/1020:18:542
1186201993030,0cyclictest0-21swapper/921:18:5615
118620199300,24cyclictest1041ktimers/920:40:1415
1186179993030,0cyclictest0-21swapper/223:20:268
1186179993030,0cyclictest0-21swapper/223:05:008
1186179993030,0cyclictest0-21swapper/221:30:208
1186179993030,0cyclictest0-21swapper/221:30:208
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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