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2026-06-11 - 19:41
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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 rack5slot2.osadl.org (updated Thu Jun 11, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173612204188,12sleep10-21swapper/107:05:311
175692194177,12sleep00-21swapper/007:08:150
174552181164,12sleep30-21swapper/307:06:463
176932177160,12sleep20-21swapper/207:09:502
19462440,0sleep00-21swapper/010:22:470
270292430,0sleep30-21swapper/311:22:393
116852430,0sleep00-21swapper/010:59:420
59062420,0sleep10-21swapper/112:15:501
265912410,0sleep20-21swapper/211:06:132
224562150,0sleep20-21swapper/211:36:032
27459290,0sleep30-21swapper/309:47:463
23004290,0sleep30-21swapper/309:14:323
15436290,0sleep10-21swapper/110:45:141
1209290,0sleep21212-21aten2_r5power_c07:40:112
179079981,3cyclictest32724-21awk09:35:010
903250,0sleep00-21swapper/011:57:440
3610250,0sleep20-21swapper/210:55:172
179189955,0cyclictest0-21swapper/309:36:043
179189952,3cyclictest205-21systemd-journal12:40:003
179189950,5cyclictest0-21swapper/311:54:083
179189950,5cyclictest0-21swapper/310:43:263
179189950,5cyclictest0-21swapper/310:07:033
179189950,5cyclictest0-21swapper/309:58:543
179189950,4cyclictest24753-21sh10:50:113
179189950,0cyclictest0-21swapper/312:05:213
179139954,1cyclictest31-21ksoftirqd/208:45:012
179139954,1cyclictest18362-21sh09:27:392
179139951,3cyclictest802-21snmpd11:53:532
179139950,5cyclictest0-21swapper/210:05:202
179139950,5cyclictest0-21swapper/209:48:192
179139950,5cyclictest0-21swapper/209:37:592
179139950,1cyclictest8596-21munin-run11:30:012
179089950,5cyclictest0-21swapper/112:32:321
179089950,5cyclictest0-21swapper/109:43:541
179089950,5cyclictest0-21swapper/107:15:011
179079951,3cyclictest802-21snmpd12:38:150
179079950,3cyclictest12143-21cat09:25:010
27896240,0sleep20-21swapper/212:10:392
179189944,0cyclictest8606-21/usr/sbin/munin07:55:133
179189944,0cyclictest20450-21kworker/3:112:30:493
179189944,0cyclictest20450-21kworker/3:109:54:063
179189944,0cyclictest0-21swapper/312:10:353
179189944,0cyclictest0-21swapper/310:56:053
179189944,0cyclictest0-21swapper/307:15:123
179189943,1cyclictest13981-21cron10:45:013
179189942,1cyclictest31006-21ssh10:36:493
179189941,2cyclictest0-21swapper/307:50:133
179189941,1cyclictest18588-21sh09:43:383
179189941,1cyclictest0-21swapper/307:35:113
179189940,4cyclictest9440-21taskset12:01:443
179189940,4cyclictest7828-21apt-get10:10:123
179189940,4cyclictest28662-21apt-get07:30:103
179189940,4cyclictest28134-21perl11:55:123
179189940,4cyclictest18529-21diskstats07:10:133
179189940,4cyclictest13286-21diskmemload11:34:133
179189940,4cyclictest12491-21ssh09:25:123
179189940,4cyclictest0-21swapper/312:15:223
179189940,4cyclictest0-21swapper/311:25:023
179189940,4cyclictest0-21swapper/311:15:113
179189940,4cyclictest0-21swapper/311:10:443
179189940,4cyclictest0-21swapper/311:01:493
179189940,4cyclictest0-21swapper/310:30:113
179189940,4cyclictest0-21swapper/310:20:113
179189940,4cyclictest0-21swapper/309:20:113
179189940,3cyclictest9856-21ntp_states09:00:173
179189940,3cyclictest6042-21date07:50:013
179189940,3cyclictest6011-21ssh10:25:093
179189940,3cyclictest30792-21cat08:40:013
179189940,3cyclictest307-21ssh11:10:003
179189940,3cyclictest25535-21memory09:15:173
179189940,3cyclictest24946-21ssh10:02:133
179189940,3cyclictest23245-21/usr/sbin/munin12:25:133
179189940,3cyclictest18054-21sh10:15:113
179189940,0cyclictest0-21swapper/311:42:123
179139944,0cyclictest31-21ksoftirqd/210:05:012
179139944,0cyclictest0-21swapper/210:51:272
179139943,1cyclictest27464-21ntp_states07:25:162
179139943,1cyclictest24259-21munin-run10:50:012
179139943,1cyclictest23722-21/usr/sbin/munin07:20:172
179139943,1cyclictest14003-21munin-run10:45:012
179139942,1cyclictest0-21swapper/208:55:112
179139942,1cyclictest0-21swapper/207:50:132
179139941,2cyclictest0-21swapper/211:55:092
179139941,2cyclictest0-21swapper/208:10:102
179139941,2cyclictest0-21swapper/207:15:112
179139941,1cyclictest0-21swapper/212:25:112
179139940,4cyclictest27319-21ssh09:15:542
179139940,4cyclictest22275-21ntp_states08:20:182
179139940,4cyclictest0-21swapper/211:43:512
179139940,4cyclictest0-21swapper/211:00:122
179139940,4cyclictest0-21swapper/210:24:332
179139940,4cyclictest0-21swapper/209:31:012
179139940,4cyclictest0-21swapper/208:25:102
179139940,3cyclictest29678-21ntp_states08:35:182
179139940,3cyclictest29497-21ssh10:35:542
179139940,3cyclictest23810-21latency_hist09:15:022
179139940,3cyclictest20182-21ssh09:44:372
179139940,3cyclictest11792-21perl09:05:142
179139940,3cyclictest0-21swapper/212:15:092
179139940,1cyclictest9080-21/usr/sbin/munin11:30:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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