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2025-12-01 - 09:51
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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 rackdslot0.osadl.org (updated Mon Dec 01, 2025 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22173992811,2cyclictest0-21swapper/222:35:202
2217399251,23cyclictest0-21swapper/200:36:372
2216899252,22cyclictest0-21swapper/122:49:191
2217399242,4cyclictest0-21swapper/219:32:272
2217399230,22cyclictest0-21swapper/221:33:592
2216899230,5cyclictest0-21swapper/100:31:401
2217399223,18cyclictest0-21swapper/223:58:562
2217399214,16cyclictest8716-21awk23:30:182
2217399213,17cyclictest20864-21cut21:00:192
22173992118,2cyclictest21469-21sort22:55:222
22173992117,3cyclictest4035-21anvil23:26:202
22173992117,3cyclictest3355-21qmgr21:09:062
2216899212,18cyclictest0-21swapper/122:53:131
22168992115,5cyclictest0-21swapper/119:15:121
2216899211,16cyclictest0-21swapper/119:52:281
2217399203,16cyclictest3663-21fschecks_time22:25:162
22173992017,2cyclictest30003-21taskset21:16:032
22173992017,2cyclictest28494-21expr19:20:172
22173992017,2cyclictest14867-21perf19:55:012
22173992017,2cyclictest0-21swapper/222:00:142
22173992016,3cyclictest4523-21H212:26:332
22173992016,3cyclictest2489-21wc00:20:162
2216899203,16cyclictest3662-21cut22:25:171
2216899203,16cyclictest19800-21cpuspeed_turbos21:00:141
22168992015,3cyclictest0-21swapper/120:13:261
2216899201,4cyclictest0-21swapper/123:47:111
2216399203,11cyclictest560-21gpgv00:20:000
22163992018,1cyclictest0-21swapper/020:10:290
2216399200,5cyclictest0-21swapper/022:43:430
2217399197,11cyclictest0-21swapper/220:42:132
2217399193,2cyclictest31018-21expr00:15:092
2217399192,16cyclictest4457-21cpuspeed_turbos00:25:142
2217399192,16cyclictest31791-21sed19:25:172
2217399192,16cyclictest27785-21find23:08:592
2217399192,16cyclictest271rcuc/220:45:212
2217399192,16cyclictest25476-21latency_hist23:05:002
2217399192,16cyclictest15872-21grep23:45:142
2217399192,16cyclictest0-21swapper/223:10:172
2217399192,16cyclictest0-21swapper/222:30:222
2217399192,16cyclictest0-21swapper/222:30:222
22173991916,2cyclictest508-21sed20:25:192
22173991916,2cyclictest4400-21sed23:25:012
22173991916,2cyclictest25904-21sed22:09:002
22173991916,2cyclictest16764-21processes19:55:192
22173991916,2cyclictest1296-21tr21:25:142
22173991916,2cyclictest0-21swapper/222:50:172
22173991916,2cyclictest0-21swapper/222:45:232
22173991915,3cyclictest0-21swapper/223:40:142
22173991915,3cyclictest0-21swapper/223:35:172
22173991915,3cyclictest0-21swapper/221:55:022
22173991915,3cyclictest0-21swapper/221:00:022
22173991915,3cyclictest0-21swapper/220:10:202
22173991914,4cyclictest0-21swapper/200:34:452
2217399191,17cyclictest25611-21expr21:10:152
2216899192,16cyclictest5240-21wc20:35:021
2216899192,16cyclictest31705-21munin-run20:25:001
2216899192,16cyclictest27330-21expr22:10:131
2216899192,16cyclictest16926-21cat20:55:151
2216899192,16cyclictest0-21swapper/123:20:181
22168991916,2cyclictest5895-21cat20:35:171
2216899191,3cyclictest24108-21grep19:10:241
2216899191,17cyclictest7062-21cpuspeed_turbos21:35:151
2216899190,18cyclictest0-21swapper/119:28:411
2216399193,15cyclictest0-21swapper/022:54:230
2216399192,16cyclictest20849-21grep22:55:190
2216399192,15cyclictest4523-21H212:26:330
2216399192,11cyclictest18771-21perf21:00:010
2216399190,16cyclictest4528-21H212:26:330
22173991816,1cyclictest46652chrt20:31:482
22173991815,2cyclictest4536-21H212:26:332
22173991815,2cyclictest269362chrt00:06:382
22173991815,2cyclictest0-21swapper/219:40:162
22173991815,2cyclictest0-21swapper/219:15:152
22173991815,2cyclictest0-21swapper/200:10:122
22173991814,3cyclictest0-21swapper/222:40:192
22173991814,3cyclictest0-21swapper/219:15:022
2217399181,16cyclictest540-21grep22:20:142
2217399181,16cyclictest0-21swapper/222:15:182
2217399181,16cyclictest0-21swapper/221:45:112
2217399181,16cyclictest0-21swapper/221:20:202
2217399181,16cyclictest0-21swapper/220:50:152
2217399181,16cyclictest0-21swapper/220:20:212
2217399181,16cyclictest0-21swapper/220:15:172
2217399180,17cyclictest0-21swapper/223:50:152
2217399180,17cyclictest0-21swapper/220:35:262
2217399180,17cyclictest0-21swapper/220:05:222
2217399180,17cyclictest0-21swapper/219:38:222
2217399180,16cyclictest4523-21H212:26:332
2216899182,1cyclictest4526-21H212:26:331
2216899182,15cyclictest0-21swapper/122:15:141
22168991816,1cyclictest0-21swapper/123:19:031
22168991816,1cyclictest0-21swapper/121:20:131
22168991816,1cyclictest0-21swapper/100:20:091
22168991815,2cyclictest4581-21H212:26:331
22168991815,2cyclictest3076-21rs:main1
22168991815,2cyclictest27733-21latency_hist21:15:011
22168991815,2cyclictest25458-21latency_hist23:05:011
22168991815,2cyclictest25208-21nfsd400:00:181
22168991815,2cyclictest20514-21cat20:05:001
22168991815,2cyclictest201rcuc/119:30:151
22168991815,2cyclictest12760-21nfsd422:40:201
22168991815,2cyclictest11889-21uname20:45:181
22168991815,2cyclictest0-21swapper/122:39:351
22168991815,2cyclictest0-21swapper/120:25:191
22168991814,3cyclictest454-21plymouthd20:40:231
22168991814,3cyclictest27706-21sshd23:08:381
22168991814,3cyclictest0-21swapper/122:00:161
2216899181,2cyclictest9847-21cpu19:45:131
2216899181,16cyclictest541-21cut22:20:141
2216899181,16cyclictest19822-21sed21:55:241
2216899180,17cyclictest7091-21awk22:30:191
2216899180,17cyclictest7091-21awk22:30:181
2216899180,17cyclictest4532-21H212:26:331
2216899180,17cyclictest0-21swapper/122:55:151
2216899180,17cyclictest0-21swapper/121:20:011
2216899180,15cyclictest0-21swapper/122:06:251
22163991817,1cyclictest9-21ksoftirqd/000:27:150
22163991815,2cyclictest8763-21nfsd423:30:180
22163991814,3cyclictest4538-21H212:26:330
22163991814,3cyclictest4538-21H212:26:330
22163991814,3cyclictest4536-21H212:26:330
22163991814,3cyclictest24706-21cron21:09:010
22163991814,3cyclictest2363-21idleruntime-cro22:25:000
22163991814,3cyclictest0-21swapper/019:51:550
2216399180,4cyclictest0-21swapper/019:17:030
2216399180,2cyclictest4536-21H212:26:330
2216399180,2cyclictest4536-21H212:26:330
2216399180,2cyclictest4536-21H212:26:330
2216399180,2cyclictest4526-21H212:26:330
2216399180,17cyclictest2303-21fschecks_time23:20:150
2216399180,16cyclictest4528-21H212:26:330
2216399180,16cyclictest4528-21H212:26:330
2216399180,16cyclictest4526-21H212:26:330
2216399180,15cyclictest4532-21H212:26:330
22173991715,2cyclictest0-21swapper/219:45:142
22173991715,1cyclictest0-21swapper/223:15:132
22173991715,1cyclictest0-21swapper/221:35:152
22173991714,2cyclictest20322-21chrt21:59:362
2217399170,2cyclictest4581-21H212:26:332
2216899172,15cyclictest0-21swapper/123:43:081
22168991716,1cyclictest21-21ksoftirqd/100:25:041
22168991715,1cyclictest29794-21sed19:20:231
22168991715,1cyclictest21-21ksoftirqd/123:10:211
22168991715,1cyclictest0-21swapper/123:40:011
22168991715,1cyclictest0-21swapper/121:54:011
22168991715,1cyclictest0-21swapper/120:15:191
22168991714,2cyclictest7309-21cpuspeed_turbos19:40:151
22168991714,2cyclictest31196-21grep00:15:111
22168991714,2cyclictest22433-21cpu21:05:161
22168991714,2cyclictest16052-21if_eno119:55:161
22168991714,2cyclictest0-21swapper/123:30:141
22168991713,3cyclictest0-21swapper/123:55:171
2216899170,3cyclictest823-21systemd-network21:32:581
2216899170,2cyclictest4526-21H212:26:331
2216899170,16cyclictest10242-21cat00:35:161
22163991716,1cyclictest9-21ksoftirqd/020:45:380
22163991715,1cyclictest0-21swapper/019:25:010
22163991714,2cyclictest8206-21sed19:40:190
22163991714,2cyclictest4581-21H212:26:330
22163991714,2cyclictest4532-21H212:26:330
22163991714,2cyclictest3172-21expr22:25:150
22163991714,2cyclictest21625-21cat23:55:140
22163991714,2cyclictest18181-21cpuspeed_turbos21:55:150
22163991714,2cyclictest15296-21sendmail_mailtr20:50:230
2216399170,2cyclictest9496-21awk00:35:000
2216399170,2cyclictest6096-21ntpq23:25:180
2216399170,2cyclictest4532-21H212:26:330
2216399170,2cyclictest32113-21nfsd421:20:180
2216399170,2cyclictest30686-21/usr/sbin/munin19:25:140
2216399170,2cyclictest18633-21expr23:50:150
2216399170,2cyclictest15428-21grep22:45:190
2216399170,2cyclictest1079-21gdbus20:05:200
2216399170,1cyclictest4532-21H212:26:330
2216399170,1cyclictest0-21swapper/019:55:140
2216399170,16cyclictest4526-21H212:26:330
2216399170,16cyclictest3350-21master23:40:280
2216399170,16cyclictest31761-21expr23:15:150
2216399170,16cyclictest30949-21tr22:15:200
2216399170,16cyclictest28613-21fschecks_count21:15:160
2216399170,16cyclictest23674-21awk23:00:170
2216399170,16cyclictest1901-21/usr/sbin/munin21:25:160
2216399170,16cyclictest0-21swapper/021:31:500
2216399170,16cyclictest0-21swapper/020:40:190
2216399170,16cyclictest0-21swapper/019:36:010
2216399170,15cyclictest998-21gmain21:41:180
22168991615,1cyclictest21-21ksoftirqd/121:45:071
22168991615,1cyclictest0-21swapper/100:06:381
2216899160,1cyclictest0-21swapper/120:50:161
2216899160,15cyclictest0-21swapper/119:35:151
22163991614,1cyclictest15316-21/usr/sbin/munin21:50:140
22163991614,1cyclictest0-21swapper/023:45:160
22163991614,1cyclictest0-21swapper/022:05:160
22163991614,1cyclictest0-21swapper/020:30:140
22163991613,2cyclictest27312-21ls22:10:140
22163991613,2cyclictest1167-21dpkg00:20:010
2216399160,15cyclictest995-21irqbalance19:30:130
2216399160,15cyclictest4532-21H212:26:330
2216399160,15cyclictest0-21swapper/020:00:150
2216399160,15cyclictest0-21swapper/000:35:150
22163991514,1cyclictest0-21swapper/021:35:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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