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2025-12-13 - 06:41
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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
Characteristics of the highest latencies:
System rack1slot1.osadl.org (updated Sat Dec 13, 2025 00:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
718923740,8sleep1201rcuc/119:05:201
77622205155,24sleep00-21swapper/019:08:370
75492199162,24sleep30-21swapper/319:05:513
55352188153,23sleep20-21swapper/219:05:012
797799160,15cyclictest3912-21/usr/sbin/munin22:25:112
797799150,14cyclictest6762-21awk21:20:172
797799150,14cyclictest0-21swapper/222:10:142
797799150,14cyclictest0-21swapper/220:10:012
7964991513,1cyclictest9-21ksoftirqd/022:30:010
797799140,13cyclictest6526-21grep20:12:242
797799140,13cyclictest29728-21cut23:20:012
797799140,13cyclictest26143-21apt-get20:55:122
797799140,13cyclictest0-21swapper/223:05:122
797799140,13cyclictest0-21swapper/200:30:162
233512140,0sleep30-21swapper/321:55:163
797799130,13cyclictest0-21swapper/200:15:102
797799130,12cyclictest3241-21ntpq23:30:142
797799130,12cyclictest30113-21sed21:00:212
797799130,12cyclictest24435-21perl20:50:132
797799130,12cyclictest10919-21users23:45:172
797799130,12cyclictest0-21swapper/222:20:012
797799130,12cyclictest0-21swapper/221:25:152
797799130,12cyclictest0-21swapper/219:50:152
797799130,12cyclictest0-21swapper/219:45:142
797799130,11cyclictest24243-21cat22:00:012
796499133,5cyclictest13706-21sed23:55:010
13622130,1sleep31366-21pmu-power20:02:223
7977991210,1cyclictest28-21ksoftirqd/222:45:012
797799120,9cyclictest16171-21cut19:25:132
797799120,12cyclictest0-21swapper/222:00:172
797799120,12cyclictest0-21swapper/219:35:122
797799120,12cyclictest0-21swapper/200:10:092
797799120,11cyclictest1145-21seq20:00:272
797799120,11cyclictest0-21swapper/223:35:152
797799120,11cyclictest0-21swapper/219:40:132
797799119,1cyclictest28-21ksoftirqd/200:05:012
797799111,9cyclictest13562-21apt-get19:20:112
797799110,9cyclictest0-21swapper/222:05:132
797799110,11cyclictest0-21swapper/222:31:492
796499119,1cyclictest9-21ksoftirqd/021:00:010
796499118,1cyclictest9-21ksoftirqd/022:10:010
796499118,1cyclictest9-21ksoftirqd/021:45:010
798399109,1cyclictest35-21ksoftirqd/300:20:013
798399108,1cyclictest35-21ksoftirqd/320:45:013
797799105,4cyclictest10765-21perf22:40:012
797799100,8cyclictest12902-21cstates21:35:132
796499108,1cyclictest9-21ksoftirqd/023:00:010
79839997,1cyclictest35-21ksoftirqd/322:19:143
79779993,4cyclictest240-21systemd-journal20:40:012
79779990,8cyclictest31078-21awk23:20:192
79779990,8cyclictest28438-21cpu00:25:092
79779990,8cyclictest27734-21taskset00:23:512
79779990,7cyclictest0-21swapper/221:52:282
79779990,6cyclictest240-21systemd-journal00:40:012
79779990,5cyclictest10219-21/usr/sbin/munin21:30:122
79649997,1cyclictest9-21ksoftirqd/023:10:010
79649990,8cyclictest8403-21munin-run22:35:010
79839986,1cyclictest707-21snmpd23:28:103
79839986,1cyclictest707-21snmpd21:52:583
79839986,1cyclictest707-21snmpd21:14:033
79839986,1cyclictest707-21snmpd20:50:143
79839986,1cyclictest707-21snmpd20:14:403
79839986,1cyclictest707-21snmpd20:07:313
79839986,1cyclictest707-21snmpd19:40:573
79839986,1cyclictest707-21snmpd00:02:593
79839986,1cyclictest35-21ksoftirqd/319:20:013
79779986,1cyclictest61650irq/122-eno121:45:142
79779983,4cyclictest20463-21aten_r1power_en23:00:122
79779983,4cyclictest19334-21expr20:40:142
79779983,4cyclictest15269-21ntpq20:30:172
79779983,4cyclictest13916-21fschecks_count22:45:112
79779982,5cyclictest31651-21expr21:05:152
79779981,7cyclictest0-21swapper/223:55:102
79779981,6cyclictest8158-21apt-get19:10:102
79779981,6cyclictest11547-21apt-get23:50:082
79779980,7cyclictest1929-21ntpq21:10:172
79779980,7cyclictest1891-21sshd22:20:142
79779980,7cyclictest11249-21aten2.4-expect19:15:132
79779980,7cyclictest0-21swapper/223:40:172
79779980,5cyclictest240-21systemd-journal20:00:012
79689988,0cyclictest0-21swapper/120:30:411
79689980,4cyclictest0-21swapper/122:15:171
79649986,1cyclictest9-21ksoftirqd/023:20:010
79649986,1cyclictest9-21ksoftirqd/000:20:010
79649986,1cyclictest707-21snmpd22:50:540
79649986,1cyclictest707-21snmpd22:24:260
79649986,1cyclictest707-21snmpd21:48:310
79649986,1cyclictest707-21snmpd21:26:310
79649986,1cyclictest707-21snmpd21:20:180
79649986,1cyclictest707-21snmpd19:30:120
79649986,1cyclictest707-21snmpd19:30:120
79649986,1cyclictest707-21snmpd19:24:060
79649986,1cyclictest707-21snmpd00:25:150
79649986,1cyclictest707-21snmpd00:08:560
79649986,1cyclictest707-21snmpd00:01:110
79649984,0cyclictest0-21swapper/022:00:090
79649980,7cyclictest19981-21irqstats20:40:170
79649980,4cyclictest1190-21perf00:40:010
79839976,1cyclictest707-21snmpd19:14:423
79839976,1cyclictest35-21ksoftirqd/323:25:013
79839976,1cyclictest14996-21cat20:30:153
79839975,1cyclictest707-21snmpd23:40:563
79839975,1cyclictest707-21snmpd23:39:563
79839975,1cyclictest707-21snmpd22:14:413
79839975,1cyclictest707-21snmpd21:27:433
79839975,1cyclictest707-21snmpd21:07:453
79839975,1cyclictest707-21snmpd20:59:273
79839975,1cyclictest707-21snmpd19:36:453
79839975,1cyclictest707-21snmpd19:31:573
79839975,1cyclictest707-21snmpd19:31:573
79839975,1cyclictest707-21snmpd00:29:513
79839975,1cyclictest35-21ksoftirqd/323:05:013
79839975,1cyclictest35-21ksoftirqd/300:35:013
79839975,1cyclictest19512-21cat00:05:133
79839970,1cyclictest240-21systemd-journal22:45:013
79779976,1cyclictest28-21ksoftirqd/200:05:092
79779975,1cyclictest61650irq/122-eno120:15:112
79779972,4cyclictest9705-21expr20:20:122
79779972,4cyclictest18707-21cat19:30:142
79779972,4cyclictest18707-21cat19:30:142
79779970,6cyclictest32188-21apt-get23:25:112
79779970,6cyclictest25618-21df23:10:112
79779970,6cyclictest18453-21cat22:55:102
79779970,6cyclictest15692-21apt-get22:50:072
79779970,6cyclictest14945-21apt-get21:40:122
79779970,6cyclictest12076-21seq20:25:132
79779970,5cyclictest240-21systemd-journal20:45:012
79779970,3cyclictest0-21swapper/221:19:082
79689971,6cyclictest0-21swapper/122:56:571
79689971,6cyclictest0-21swapper/122:32:051
79689971,6cyclictest0-21swapper/119:36:001
79689971,3cyclictest0-21swapper/120:35:161
79689970,5cyclictest0-21swapper/123:10:091
79689970,5cyclictest0-21swapper/121:35:111
79689970,4cyclictest0-21swapper/119:30:131
79689970,4cyclictest0-21swapper/119:30:131
79689970,2cyclictest0-21swapper/123:25:121
79689970,1cyclictest0-21swapper/121:51:191
79689970,1cyclictest0-21swapper/120:16:591
79649976,1cyclictest707-21snmpd20:51:260
79649976,1cyclictest707-21snmpd19:40:360
79649975,1cyclictest9-21ksoftirqd/021:20:010
79649975,1cyclictest707-21snmpd23:49:200
79649975,1cyclictest707-21snmpd22:37:210
79649975,1cyclictest707-21snmpd21:05:360
79649975,1cyclictest707-21snmpd20:12:160
79649975,1cyclictest707-21snmpd20:05:040
79649975,1cyclictest12351-21perf21:35:010
79649974,1cyclictest240-21systemd-journal23:15:010
79649972,1cyclictest12155-21ntp_states22:40:140
79649971,5cyclictest4464-21/usr/sbin/munin23:35:170
79649971,1cyclictest0-21swapper/021:13:000
79649970,6cyclictest17507-21memory20:35:160
79649970,6cyclictest15270-21ntp_states20:30:170
79649970,6cyclictest0-21swapper/021:38:130
79649970,1cyclictest21440-21/usr/sbin/munin20:45:160
79649970,1cyclictest0-21swapper/022:45:130
79649970,1cyclictest0-21swapper/000:34:090
79839965,1cyclictest707-21snmpd23:46:233
79839965,1cyclictest707-21snmpd23:05:073
79839965,1cyclictest707-21snmpd22:58:063
79839965,1cyclictest707-21snmpd22:25:173
79839965,1cyclictest28565-21cat19:50:153
79839965,1cyclictest27128-21sshd19:46:063
79839965,1cyclictest22602-21ntpq20:45:153
79839964,1cyclictest707-21snmpd22:30:563
79839964,1cyclictest707-21snmpd21:43:523
79839964,1cyclictest707-21snmpd21:38:463
79839964,1cyclictest707-21snmpd20:36:563
79839964,1cyclictest707-21snmpd00:23:213
79839964,1cyclictest707-21snmpd00:12:033
79839964,1cyclictest15912-21apt-get19:25:123
79839963,1cyclictest294-21systemd-udevd22:07:093
79839961,2cyclictest0-21swapper/321:30:143
79839960,4cyclictest13341-21/usr/sbin/munin22:45:123
79839960,1cyclictest240-21systemd-journal21:24:563
79839960,1cyclictest0-21swapper/322:20:173
79689965,1cyclictest0-21swapper/123:56:441
79689962,1cyclictest0-21swapper/119:20:121
79689960,6cyclictest0-21swapper/122:49:421
79689960,6cyclictest0-21swapper/121:06:241
79689960,2cyclictest0-21swapper/100:30:081
79689960,1cyclictest0-21swapper/123:34:491
79689960,1cyclictest0-21swapper/122:20:111
79689960,1cyclictest0-21swapper/120:25:411
79689960,1cyclictest0-21swapper/120:00:121
79689960,1cyclictest0-21swapper/119:45:191
79649964,1cyclictest707-21snmpd21:02:180
79649964,1cyclictest31387-21mailstats19:55:180
79649964,1cyclictest12941-21awk20:25:170
79649964,1cyclictest12066-21cat19:15:160
79649964,1cyclictest10601-21/usr/sbin/munin20:20:170
79649963,1cyclictest22557-21tune2fs21:55:110
79649962,2cyclictest240-21systemd-journal20:20:010
79649961,4cyclictest0-21swapper/020:00:150
79649961,1cyclictest25712-21/usr/sbin/munin00:20:210
79649960,6cyclictest0-21swapper/023:56:360
79649960,6cyclictest0-21swapper/023:00:150
79649960,6cyclictest0-21swapper/021:50:420
79649960,6cyclictest0-21swapper/019:26:270
79649960,6cyclictest0-21swapper/019:10:150
79649960,5cyclictest0-21swapper/019:45:120
79649960,3cyclictest0-21swapper/022:15:110
79649960,1cyclictest22561-21sshd19:38:060
79649960,0cyclictest0-21swapper/023:25:120
79649960,0cyclictest0-21swapper/023:20:130
79649960,0cyclictest0-21swapper/022:10:150
79649960,0cyclictest0-21swapper/019:51:150
79839955,0cyclictest0-21swapper/300:38:123
79839954,1cyclictest9409-21apt-get20:20:113
79839954,1cyclictest707-21snmpd20:26:293
79839953,1cyclictest559-21cron22:00:013
79839953,1cyclictest30229-21awk21:00:213
79839952,1cyclictest240-21systemd-journal23:59:563
79839951,2cyclictest0-21swapper/323:30:083
79839950,5cyclictest0-21swapper/322:39:533
79839950,2cyclictest18696-21sensors_temp21:45:203
79839950,2cyclictest0-21swapper/322:50:083
79689950,5cyclictest0-21swapper/123:48:221
79689950,5cyclictest0-21swapper/122:35:161
79689950,5cyclictest0-21swapper/122:25:501
79689950,5cyclictest0-21swapper/120:44:261
79689950,5cyclictest0-21swapper/120:10:191
79689950,5cyclictest0-21swapper/119:44:221
79689950,5cyclictest0-21swapper/100:02:401
79689950,4cyclictest0-21swapper/119:51:451
79689950,3cyclictest0-21swapper/123:50:341
79689950,3cyclictest0-21swapper/123:40:191
79689950,3cyclictest0-21swapper/122:50:081
79689950,3cyclictest0-21swapper/100:30:011
79689950,2cyclictest0-21swapper/120:05:111
79689950,2cyclictest0-21swapper/119:10:101
79689950,1cyclictest0-21swapper/122:02:231
79689950,1cyclictest0-21swapper/120:55:141
79689950,0cyclictest0-21swapper/123:38:031
79689950,0cyclictest0-21swapper/121:31:151
79689950,0cyclictest0-21swapper/100:10:401
79649951,3cyclictest0-21swapper/000:10:160
79649950,4cyclictest8005-21ntp_states23:40:190
79649950,4cyclictest2112-21/usr/sbin/munin23:30:080
79839944,0cyclictest28862-21sensors23:15:153
79839943,1cyclictest25928-21hwlatdetect23:10:123
79839942,1cyclictest14886-21rt-features19:20:183
79839942,1cyclictest11845-21cpuspeed_turbos23:50:103
79839940,3cyclictest0-21swapper/321:15:173
79839940,2cyclictest7027-21apt-get20:15:113
79839940,1cyclictest30026-21apt-get19:55:113
79689944,0cyclictest0-21swapper/122:13:311
79689944,0cyclictest0-21swapper/119:15:101
79689943,1cyclictest7315-21chrt21:21:061
79689942,1cyclictest4902-21chrt21:15:331
79689942,1cyclictest11174-21chrt20:20:391
79689942,1cyclictest0-21swapper/100:37:551
79689941,2cyclictest0-21swapper/120:50:101
79689941,2cyclictest0-21swapper/119:55:101
79689941,2cyclictest0-21swapper/100:15:081
79689941,2cyclictest0-21swapper/100:05:131
79689940,4cyclictest0-21swapper/123:05:171
79689940,4cyclictest0-21swapper/121:55:161
79689940,3cyclictest0-21swapper/121:10:151
79689940,3cyclictest0-21swapper/119:25:121
79689940,1cyclictest0-21swapper/123:20:011
79689940,1cyclictest0-21swapper/121:40:131
79689940,1cyclictest0-21swapper/121:25:131
79689940,1cyclictest0-21swapper/121:00:121
79689940,1cyclictest0-21swapper/120:45:151
79689940,0cyclictest0-21swapper/123:03:471
79689940,0cyclictest0-21swapper/121:45:201
79689931,1cyclictest0-21swapper/122:05:101
79689931,1cyclictest0-21swapper/100:20:111
79689930,3cyclictest0-21swapper/122:40:081
79689930,2cyclictest0-21swapper/123:20:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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