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2025-12-29 - 08:14
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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 Mon Dec 29, 2025 00:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
306842234161,26sleep30-21swapper/319:09:203
306532211172,25sleep20-21swapper/219:08:542
304902202162,26sleep10-21swapper/119:06:481
305472201161,26sleep00-21swapper/019:07:320
30836991513,1cyclictest28-21ksoftirqd/222:50:092
30836991312,0cyclictest22050-21apt-get00:30:132
30836991311,1cyclictest28-21ksoftirqd/200:40:002
30836991210,1cyclictest28-21ksoftirqd/221:20:002
3084499119,1cyclictest35-21ksoftirqd/323:00:193
30844991110,1cyclictest35-21ksoftirqd/319:25:013
3083699119,1cyclictest28-21ksoftirqd/200:20:012
105162110,0sleep00-21swapper/020:40:150
3084499109,1cyclictest35-21ksoftirqd/323:30:003
30844991010,0cyclictest35-21ksoftirqd/320:00:003
3084499100,7cyclictest8463-21hddtemp_smartct00:00:153
3083699108,1cyclictest28-21ksoftirqd/223:10:012
3083699108,1cyclictest28-21ksoftirqd/223:10:012
3083699100,5cyclictest0-21swapper/220:50:102
3082699109,1cyclictest9-21ksoftirqd/023:10:010
3082699109,1cyclictest9-21ksoftirqd/023:10:010
3082699107,1cyclictest9-21ksoftirqd/021:35:000
308449998,1cyclictest35-21ksoftirqd/321:10:013
308449998,0cyclictest35-21ksoftirqd/322:50:113
308369999,0cyclictest0-21swapper/221:33:172
308369997,1cyclictest28-21ksoftirqd/223:20:012
308369997,1cyclictest28-21ksoftirqd/221:10:012
308369997,1cyclictest28-21ksoftirqd/220:40:002
308369997,1cyclictest28-21ksoftirqd/220:35:002
308369997,1cyclictest28-21ksoftirqd/200:00:142
308299990,4cyclictest0-21swapper/122:40:121
308269997,1cyclictest9-21ksoftirqd/023:15:010
308269997,1cyclictest9-21ksoftirqd/022:44:590
308269991,4cyclictest14818-21latency_hist22:00:000
308449988,0cyclictest35-21ksoftirqd/321:50:123
308449987,1cyclictest35-21ksoftirqd/323:30:173
308449987,1cyclictest35-21ksoftirqd/323:20:003
308449987,1cyclictest35-21ksoftirqd/319:40:163
308449986,1cyclictest707-21snmpd22:15:453
308449986,1cyclictest707-21snmpd20:48:593
308449986,1cyclictest707-21snmpd20:04:143
308449980,3cyclictest0-21swapper/323:10:133
308369988,0cyclictest0-21swapper/222:39:422
308369987,1cyclictest28-21ksoftirqd/222:05:142
308369987,1cyclictest28-21ksoftirqd/222:05:142
308369987,1cyclictest28-21ksoftirqd/221:00:162
308369986,1cyclictest707-21snmpd22:23:062
308369986,1cyclictest28-21ksoftirqd/221:35:142
308299980,6cyclictest0-21swapper/123:25:121
308299980,4cyclictest0-21swapper/122:50:091
308269986,1cyclictest9-21ksoftirqd/000:20:010
308269986,1cyclictest707-21snmpd21:44:410
308269986,1cyclictest707-21snmpd20:53:000
308269986,1cyclictest707-21snmpd20:49:390
308269986,1cyclictest707-21snmpd20:23:140
308269984,4cyclictest749-21munin-node23:58:170
308269980,7cyclictest0-21swapper/019:20:110
308269980,4cyclictest1272-21apt-get22:39:590
308449977,0cyclictest35-21ksoftirqd/323:55:143
308449976,1cyclictest9810-21cat19:30:143
308449976,1cyclictest707-21snmpd21:28:523
308449976,1cyclictest707-21snmpd21:00:063
308449976,1cyclictest707-21snmpd19:47:403
308449976,1cyclictest35-21ksoftirqd/323:54:593
308449976,1cyclictest35-21ksoftirqd/322:40:003
308449976,1cyclictest35-21ksoftirqd/322:30:133
308449976,1cyclictest35-21ksoftirqd/322:20:133
308449976,1cyclictest35-21ksoftirqd/322:00:153
308449976,1cyclictest35-21ksoftirqd/321:25:003
308449976,1cyclictest35-21ksoftirqd/321:10:163
308449976,1cyclictest35-21ksoftirqd/320:35:003
308449976,1cyclictest35-21ksoftirqd/320:15:013
308449976,1cyclictest31037-21cat20:15:183
308449975,1cyclictest707-21snmpd23:37:563
308449975,1cyclictest707-21snmpd22:48:283
308449975,1cyclictest707-21snmpd21:42:443
308449975,1cyclictest707-21snmpd21:30:553
308449975,1cyclictest707-21snmpd00:25:183
308449975,1cyclictest707-21snmpd00:15:183
308449970,1cyclictest14455-21apt-get20:50:093
308369977,0cyclictest28-21ksoftirqd/219:20:012
308369976,1cyclictest61650irq/122-eno122:40:002
308369976,1cyclictest61650irq/122-eno119:40:142
308369976,1cyclictest61650irq/122-eno119:10:182
308369976,1cyclictest28-21ksoftirqd/220:55:132
308369976,1cyclictest28-21ksoftirqd/219:55:002
308369976,1cyclictest28-21ksoftirqd/219:25:132
308369975,1cyclictest707-21snmpd21:52:592
308369975,1cyclictest28-21ksoftirqd/223:45:172
308369975,1cyclictest28-21ksoftirqd/223:40:152
308369975,1cyclictest28-21ksoftirqd/223:30:002
308369975,1cyclictest28-21ksoftirqd/223:00:182
308369975,1cyclictest28-21ksoftirqd/220:15:202
308369975,1cyclictest28-21ksoftirqd/200:20:142
308369975,1cyclictest10063-21ntpq19:30:172
308369973,2cyclictest240-21systemd-journal22:55:012
308369970,2cyclictest0-21swapper/223:35:112
308299970,6cyclictest0-21swapper/121:15:141
308299970,1cyclictest0-21swapper/119:45:121
308299970,1cyclictest0-21swapper/100:08:591
308269976,1cyclictest707-21snmpd19:29:400
308269975,2cyclictest1747-21ntpd19:43:570
308269975,1cyclictest9-21ksoftirqd/019:15:010
308269975,1cyclictest707-21snmpd22:46:370
308269975,1cyclictest707-21snmpd20:25:020
308269975,1cyclictest707-21snmpd19:57:310
308269975,1cyclictest3778-21sendmail19:20:010
308269973,2cyclictest29211-21ntp_offset23:35:180
308269972,1cyclictest21539-21/usr/sbin/munin21:05:220
308269971,4cyclictest26772-21fschecks_count21:15:140
308269971,1cyclictest0-21swapper/000:05:240
308269970,6cyclictest19563-21ntpq23:15:170
308269970,6cyclictest16521-21switchtime22:00:210
308269970,6cyclictest0-21swapper/023:00:200
308449966,0cyclictest35-21ksoftirqd/323:45:173
308449966,0cyclictest26844-21sensors20:05:203
308449965,1cyclictest707-21snmpd19:28:013
308449965,1cyclictest707-21snmpd00:30:033
308449965,1cyclictest35-21ksoftirqd/323:15:123
308449965,1cyclictest35-21ksoftirqd/322:55:203
308449965,1cyclictest35-21ksoftirqd/322:40:133
308449965,1cyclictest35-21ksoftirqd/321:55:163
308449965,1cyclictest35-21ksoftirqd/321:15:143
308449965,1cyclictest35-21ksoftirqd/320:55:153
308449965,1cyclictest35-21ksoftirqd/320:35:153
308449965,1cyclictest35-21ksoftirqd/319:50:143
308449965,1cyclictest35-21ksoftirqd/319:10:133
308449965,1cyclictest35-21ksoftirqd/300:35:143
308449964,1cyclictest707-21snmpd23:08:193
308449964,1cyclictest707-21snmpd23:08:193
308449964,1cyclictest707-21snmpd21:37:353
308449964,1cyclictest707-21snmpd00:06:573
308449963,1cyclictest240-21systemd-journal23:45:003
308449962,1cyclictest14489-21awk00:15:013
308449960,3cyclictest26864-21apt-get22:25:123
308449960,2cyclictest8453-21cstates21:45:153
308369966,0cyclictest61650irq/122-eno123:51:322
308369966,0cyclictest61650irq/122-eno122:26:482
308369966,0cyclictest61650irq/122-eno120:20:162
308369966,0cyclictest61650irq/122-eno120:12:152
308369966,0cyclictest61650irq/122-eno120:05:142
308369966,0cyclictest61650irq/122-eno100:10:212
308369966,0cyclictest61650irq/122-eno100:07:362
308369965,1cyclictest9148-21ntpq21:45:202
308369965,1cyclictest707-21snmpd23:13:462
308369965,1cyclictest28-21ksoftirqd/223:30:182
308369965,1cyclictest28-21ksoftirqd/222:30:102
308369965,1cyclictest28-21ksoftirqd/219:35:122
308369965,1cyclictest28-21ksoftirqd/219:20:132
308369965,1cyclictest0-21swapper/220:00:152
308369964,1cyclictest707-21snmpd21:55:322
308369964,1cyclictest707-21snmpd21:12:482
308369964,1cyclictest28-21ksoftirqd/222:15:142
308369964,1cyclictest28-21ksoftirqd/219:55:162
308369964,1cyclictest13264-21ntpq20:45:192
308369964,1cyclictest10640-21cat20:40:162
308369963,1cyclictest240-21systemd-journal20:27:082
308369962,2cyclictest240-21systemd-journal23:20:012
308369962,2cyclictest240-21systemd-journal00:25:002
308369961,5cyclictest0-21swapper/222:48:372
308369960,6cyclictest0-21swapper/221:40:152
308369960,5cyclictest0-21swapper/222:10:122
308369960,1cyclictest0-21swapper/222:00:122
308299965,1cyclictest0-21swapper/122:05:111
308299965,1cyclictest0-21swapper/122:05:111
308299965,1cyclictest0-21swapper/121:30:221
308299961,2cyclictest0-21swapper/122:10:141
308299960,6cyclictest0-21swapper/122:22:271
308299960,6cyclictest0-21swapper/121:38:291
308299960,6cyclictest0-21swapper/120:47:441
308299960,5cyclictest0-21swapper/123:38:171
308299960,5cyclictest0-21swapper/123:12:251
308299960,4cyclictest0-21swapper/120:15:151
308299960,1cyclictest0-21swapper/123:57:301
308299960,1cyclictest0-21swapper/121:55:041
308299960,1cyclictest0-21swapper/119:21:241
308269966,0cyclictest0-21swapper/020:10:180
308269965,1cyclictest9161-21ntpq21:45:210
308269965,1cyclictest9-21ksoftirqd/000:36:320
308269965,1cyclictest707-21snmpd22:55:520
308269965,1cyclictest707-21snmpd20:16:130
308269965,1cyclictest24260-21irqstats23:25:160
308269964,2cyclictest1747-21ntpd20:31:210
308269964,1cyclictest9-21ksoftirqd/000:25:000
308269962,2cyclictest13210-21idleruntime00:10:170
308269960,6cyclictest0-21swapper/023:50:050
308269960,6cyclictest0-21swapper/021:36:420
308269960,6cyclictest0-21swapper/021:25:130
308269960,6cyclictest0-21swapper/021:23:070
308269960,6cyclictest0-21swapper/021:14:160
308269960,6cyclictest0-21swapper/020:39:060
308269960,6cyclictest0-21swapper/020:08:110
308269960,6cyclictest0-21swapper/019:30:150
308269960,5cyclictest0-21swapper/023:45:150
308269960,5cyclictest0-21swapper/000:20:210
308269960,2cyclictest0-21swapper/023:30:230
308269960,2cyclictest0-21swapper/019:45:130
308269960,0cyclictest0-21swapper/023:43:110
308269960,0cyclictest0-21swapper/022:25:180
308269960,0cyclictest0-21swapper/022:05:340
308269960,0cyclictest0-21swapper/022:05:340
308269960,0cyclictest0-21swapper/019:54:540
308449955,0cyclictest0-21swapper/320:40:003
308449954,1cyclictest707-21snmpd20:25:143
308449954,1cyclictest707-21snmpd00:21:193
308449954,1cyclictest35-21ksoftirqd/320:20:183
308449954,1cyclictest35-21ksoftirqd/319:15:013
308449953,1cyclictest35-21ksoftirqd/319:35:113
308449952,1cyclictest240-21systemd-journal22:09:553
308449952,1cyclictest240-21systemd-journal22:09:543
308449950,2cyclictest20179-21cstates22:10:153
308369955,0cyclictest61650irq/122-eno121:25:212
308369954,1cyclictest61650irq/122-eno121:20:132
308369953,1cyclictest61650irq/122-eno123:55:152
308369952,1cyclictest16014-21apt-get19:45:122
308299955,0cyclictest0-21swapper/122:56:501
308299955,0cyclictest0-21swapper/121:02:391
308299955,0cyclictest0-21swapper/120:32:301
308299953,2cyclictest0-21swapper/119:50:121
308299952,3cyclictest0-21swapper/122:25:201
308299951,3cyclictest0-21swapper/121:54:591
308299951,2cyclictest0-21swapper/121:10:131
308299951,2cyclictest0-21swapper/119:40:141
308299951,1cyclictest0-21swapper/120:40:111
308299951,1cyclictest0-21swapper/119:30:131
308299951,0cyclictest0-21swapper/123:05:161
308299951,0cyclictest0-21swapper/123:05:161
308299950,5cyclictest0-21swapper/123:51:361
308299950,5cyclictest0-21swapper/123:23:221
308299950,5cyclictest0-21swapper/122:32:291
308299950,5cyclictest0-21swapper/122:00:301
308299950,5cyclictest0-21swapper/120:56:331
308299950,5cyclictest0-21swapper/100:20:571
308299950,5cyclictest0-21swapper/100:12:441
308299950,4cyclictest15223-21chrt00:15:131
308299950,3cyclictest0-21swapper/119:35:091
308299950,3cyclictest0-21swapper/119:10:121
308299950,3cyclictest0-21swapper/100:30:131
308299950,2cyclictest0-21swapper/120:00:121
308299950,0cyclictest0-21swapper/123:00:031
308269954,1cyclictest9-21ksoftirqd/022:15:460
308269954,1cyclictest9-21ksoftirqd/022:10:140
308269951,1cyclictest17969-21ntp_states20:55:190
308269950,5cyclictest0-21swapper/019:35:110
308269950,4cyclictest8168-21diskstats00:00:120
308269950,4cyclictest10347-21/usr/sbin/munin21:50:190
308269950,4cyclictest0-21swapper/021:00:030
308269950,0cyclictest0-21swapper/023:20:210
308269950,0cyclictest0-21swapper/022:50:110
308269950,0cyclictest0-21swapper/022:30:140
308269950,0cyclictest0-21swapper/020:00:180
308269950,0cyclictest0-21swapper/000:33:350
308299944,0cyclictest0-21swapper/119:29:351
308299944,0cyclictest0-21swapper/100:35:551
308299942,1cyclictest27757-21chrt23:34:171
308299942,0cyclictest0-21swapper/120:20:211
308299941,1cyclictest0-21swapper/121:05:151
308299941,1cyclictest0-21swapper/120:26:261
308299941,0cyclictest0-21swapper/121:20:201
308299940,4cyclictest0-21swapper/122:15:211
308299940,4cyclictest0-21swapper/119:19:111
308299940,4cyclictest0-21swapper/100:25:161
308299940,3cyclictest0-21swapper/100:00:111
308299940,2cyclictest0-21swapper/121:45:191
308299940,2cyclictest0-21swapper/120:35:171
308299940,2cyclictest0-21swapper/120:10:131
308299940,1cyclictest0-21swapper/123:15:111
308299940,1cyclictest0-21swapper/122:35:131
308299940,0cyclictest0-21swapper/120:50:101
308269943,1cyclictest25112-21grep22:20:140
308299932,1cyclictest21862sleep123:46:101
308299931,1cyclictest0-21swapper/122:45:121
308299931,1cyclictest0-21swapper/121:40:111
308299931,1cyclictest0-21swapper/121:25:131
308299931,1cyclictest0-21swapper/120:05:121
308299931,1cyclictest0-21swapper/119:55:131
308299930,2cyclictest0-21swapper/123:40:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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