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2026-06-25 - 04:18
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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 Thu Jun 25, 2026 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22241993836,2cyclictest21-21ksoftirqd/122:03:131
22241993736,0cyclictest0-21swapper/100:08:251
2224199370,36cyclictest0-21swapper/121:34:071
22241993635,0cyclictest0-21swapper/123:39:151
22241993635,0cyclictest0-21swapper/121:01:011
2224199360,35cyclictest0-21swapper/122:22:571
2224299350,35cyclictest0-21swapper/223:05:142
2224199350,35cyclictest7032-21kworker/1:121:38:481
2224199350,35cyclictest23965-21kworker/1:021:28:581
2224199350,0cyclictest0-21swapper/120:46:361
2224199340,34cyclictest0-21swapper/100:35:241
2224199330,33cyclictest0-21swapper/122:14:001
22241992626,0cyclictest0-21swapper/100:10:541
2224199260,25cyclictest21-21ksoftirqd/123:42:081
2224199240,9cyclictest0-21swapper/120:24:211
2224199240,24cyclictest0-21swapper/123:17:221
2224199240,24cyclictest0-21swapper/122:58:231
2224199240,24cyclictest0-21swapper/120:26:151
2224199240,1cyclictest0-21swapper/121:43:281
2224199240,0cyclictest12152-21kworker/1:223:34:281
2224199240,0cyclictest0-21swapper/122:19:101
2224199240,0cyclictest0-21swapper/120:10:181
2224299230,10cyclictest0-21swapper/220:10:032
22241992313,0cyclictest0-21swapper/120:34:261
2224199231,18cyclictest21-21ksoftirqd/123:47:411
2224199230,23cyclictest0-21swapper/120:35:261
2224199230,22cyclictest0-21swapper/121:24:131
2224199230,22cyclictest0-21swapper/121:24:121
2224199230,0cyclictest0-21swapper/122:47:001
2224199230,0cyclictest0-21swapper/121:46:451
22241992221,1cyclictest21-21ksoftirqd/123:05:301
2224199220,22cyclictest0-21swapper/121:16:371
2224199220,22cyclictest0-21swapper/120:02:351
2224199220,0cyclictest0-21swapper/120:09:511
22240992214,4cyclictest0-21swapper/023:48:520
22242992019,1cyclictest0-21swapper/220:53:372
22240992016,3cyclictest13025-21cpuspeed_turbos00:35:130
2224099200,0cyclictest0-21swapper/020:31:390
2224299192,2cyclictest18933-21expr22:50:152
2224299192,16cyclictest4035-21H222:10:212
2224299192,16cyclictest3976-21H222:10:212
22242991915,3cyclictest31448-21proc_pri20:20:212
22242991915,3cyclictest0-21swapper/222:07:382
2224299190,18cyclictest0-21swapper/222:27:282
2224299190,17cyclictest7703-21cpuspeed_turbos19:40:142
2224299190,16cyclictest4099-21H222:10:212
2224199193,2cyclictest22644-21cpuspeed_turbos19:10:141
2224199193,15cyclictest0-21swapper/119:19:191
22241991919,0cyclictest0-21swapper/123:10:421
22241991919,0cyclictest0-21swapper/122:41:201
22241991915,2cyclictest10722-21fschecks_time22:35:151
2224199190,1cyclictest21-21ksoftirqd/119:49:381
2224199190,18cyclictest3991-21H222:10:211
2224099193,15cyclictest9-21ksoftirqd/020:50:250
2224099192,16cyclictest1079-21cups-browsed22:37:150
22240991917,1cyclictest0-21swapper/022:30:430
22240991916,2cyclictest3979-21H222:10:210
22240991916,2cyclictest3979-21H222:10:210
2224099190,2cyclictest3981-21H222:10:210
2224099190,18cyclictest0-21swapper/021:15:000
2224099190,16cyclictest4099-21H222:10:210
2224299182,15cyclictest22560-21ntp_offset22:55:182
2224299182,15cyclictest0-21swapper/222:00:172
22242991816,1cyclictest3204-21JS22:10:212
22242991816,1cyclictest28-21ksoftirqd/221:35:152
22242991816,1cyclictest0-21swapper/221:05:222
22242991816,1cyclictest0-21swapper/220:01:172
2224299181,2cyclictest5846-21nfsd419:35:182
2224299181,1cyclictest0-21swapper/221:30:152
2224199183,1cyclictest21-21ksoftirqd/120:51:171
22241991818,0cyclictest0-21swapper/121:58:591
22241991816,1cyclictest3565-21cat00:15:211
22241991816,1cyclictest21-21ksoftirqd/121:08:111
22241991815,1cyclictest0-21swapper/122:25:181
2224199181,16cyclictest21-21ksoftirqd/119:25:121
2224199180,2cyclictest3981-21H222:10:211
2224199180,18cyclictest0-21swapper/120:16:361
2224199180,17cyclictest0-21swapper/123:25:161
2224199180,17cyclictest0-21swapper/123:25:151
2224199180,15cyclictest21-21ksoftirqd/100:00:161
2224099182,2cyclictest1312-21chrt21:22:400
2224099182,2cyclictest1312-21chrt21:22:390
22240991816,1cyclictest0-21swapper/020:35:150
22240991816,1cyclictest0-21swapper/019:22:540
22240991815,2cyclictest26707-21cat00:00:210
22240991815,2cyclictest1100-21snmpd22:44:130
22240991814,3cyclictest27478-21cstates20:15:140
22240991814,2cyclictest3991-21H222:10:210
22240991814,2cyclictest3991-21H222:10:210
22240991813,4cyclictest835-21latency_hist19:30:010
2224099181,16cyclictest22684-21expr23:55:120
2224099181,16cyclictest20961-21grep21:55:190
2224099180,3cyclictest16085-21perf21:50:000
2224099180,2cyclictest3985-21H222:10:210
2224099180,16cyclictest22421-21nfsd422:55:170
2224099180,15cyclictest4035-21H222:10:210
2224099180,15cyclictest3981-21H222:10:210
2224299172,15cyclictest28-21ksoftirqd/222:42:232
22242991717,0cyclictest0-21swapper/223:32:022
22242991715,1cyclictest28-21ksoftirqd/221:15:072
22242991714,2cyclictest6885-21hddtemp_smartct20:35:152
22242991714,2cyclictest4712-21apache_volume00:20:122
22242991714,2cyclictest4109-21timerwakeupswit21:25:212
22242991714,2cyclictest3043-21/usr/sbin/munin22:20:182
22242991714,2cyclictest27577-21pzem_voltage21:10:212
22242991714,2cyclictest21660-21grep21:00:172
22242991714,2cyclictest20768-21/usr/sbin/munin21:55:192
22242991714,2cyclictest14203-21cpuspeed_turbos23:40:132
22242991714,2cyclictest14013-21wc21:45:132
22242991714,2cyclictest12615-21systemctl21:40:212
2224299171,2cyclictest863-21avahi-daemon23:10:202
2224299170,2cyclictest890-21df_inode20:25:122
2224299170,2cyclictest4207-21sshd00:19:222
2224299170,2cyclictest4099-21H222:10:212
2224299170,2cyclictest4099-21H222:10:212
2224299170,2cyclictest3979-21H222:10:212
2224299170,2cyclictest3976-21H222:10:212
2224299170,2cyclictest32259-21apache_volume23:15:122
2224299170,2cyclictest31178-21egrep22:15:152
2224299170,2cyclictest18394-21http_loadtime20:55:142
2224299170,16cyclictest7731-21cstates00:25:122
2224299170,16cyclictest626-21pzem_voltage21:20:172
2224299170,16cyclictest626-21pzem_voltage21:20:172
2224299170,16cyclictest3981-21H222:10:212
2224299170,16cyclictest3981-21H222:10:212
2224299170,16cyclictest3981-21H222:10:212
2224299170,16cyclictest24076-21timerandwakeup23:55:192
2224299170,16cyclictest21706-21cpuspeed_turbos20:05:122
2224299170,16cyclictest14499-21snapd22:47:572
2224299170,16cyclictest11781-21cron20:45:012
2224299170,16cyclictest11375-21grep22:35:172
2224299170,16cyclictest10162-21apache_processe00:30:112
2224299170,16cyclictest0-21swapper/219:32:402
2224299170,16cyclictest0-21swapper/200:10:012
2224299170,15cyclictest0-21swapper/220:31:112
2224299170,15cyclictest0-21swapper/200:09:012
22241991717,0cyclictest0-21swapper/123:03:351
22241991717,0cyclictest0-21swapper/123:03:351
22241991717,0cyclictest0-21swapper/120:55:221
22241991717,0cyclictest0-21swapper/100:30:061
22241991716,1cyclictest21-21ksoftirqd/121:50:121
22241991715,1cyclictest15718-21munin-run19:55:011
22241991714,2cyclictest8548-21nfsd422:30:171
22241991714,2cyclictest22282-21/usr/sbin/munin23:55:091
22241991714,1cyclictest0-21swapper/119:35:141
2224199170,2cyclictest4841-21cpuspeed_turbos00:20:121
2224199170,2cyclictest3981-21H222:10:211
2224199170,2cyclictest3414-21master19:23:371
2224199170,2cyclictest27251-21nfsd421:10:181
2224199170,2cyclictest1420-21apt-config19:30:021
2224199170,16cyclictest7414-21/usr/sbin/munin00:25:141
2224199170,16cyclictest3976-21H222:10:211
22240991714,2cyclictest9663-21grep20:40:140
22240991714,2cyclictest7124-21awk19:40:010
22240991714,2cyclictest3981-21H222:10:210
22240991714,2cyclictest3979-21H222:10:210
22240991714,2cyclictest3909-21chrt00:16:290
22240991714,2cyclictest25208-21hddtemp_smartct20:10:150
22240991714,2cyclictest19582-21apt-get23:50:110
22240991714,2cyclictest1936-21sshd23:15:480
22240991714,2cyclictest18539-21cpuspeed_turbos22:50:140
22240991714,2cyclictest15974-21cstates22:45:120
22240991714,2cyclictest1351-21lxd21:26:480
22240991714,2cyclictest1100-21snmpd23:07:390
22240991713,3cyclictest16792-21gpgv21:50:020
2224099171,15cyclictest4035-21H222:10:210
2224099170,2cyclictest6859-21seq00:23:080
2224099170,2cyclictest4099-21H222:10:210
2224099170,2cyclictest4035-21H222:10:210
2224099170,2cyclictest3987-21H222:10:210
2224099170,2cyclictest2881-21sshd19:10:130
2224099170,16cyclictest9162-21/usr/sbin/munin00:25:200
2224099170,16cyclictest5873-21grep22:25:190
2224099170,16cyclictest4194-21cron22:25:000
2224099170,16cyclictest3991-21H222:10:210
2224099170,16cyclictest3985-21H222:10:210
2224099170,16cyclictest3979-21H222:10:210
2224099170,16cyclictest32448-21awk00:10:180
2224099170,16cyclictest31098-21taskset22:15:100
2224099170,16cyclictest2729-21apache_volume23:20:090
2224099170,16cyclictest17665-21sed19:55:190
2224099170,16cyclictest15732-21perf19:55:020
2224099170,16cyclictest14087-21/usr/sbin/munin23:40:150
2224099170,16cyclictest12350-21needreboot23:35:170
2224099170,15cyclictest3979-21H222:10:210
22242991614,1cyclictest13396-21apache_volume19:50:122
22242991614,1cyclictest0-21swapper/223:00:022
22242991614,1cyclictest0-21swapper/223:00:012
22242991614,1cyclictest0-21swapper/222:30:112
22242991614,1cyclictest0-21swapper/219:20:142
22242991614,1cyclictest0-21swapper/219:10:142
22242991613,2cyclictest31041-21expr19:25:142
22242991613,2cyclictest12470-21cstates20:45:142
2224299160,15cyclictest3662-21hddtemp_smartct23:20:132
2224299160,15cyclictest0-21swapper/220:15:142
2224299160,15cyclictest0-21swapper/200:00:582
22241991614,1cyclictest0-21swapper/119:55:131
2224199160,15cyclictest19158-21smartctl22:50:161
22240991614,1cyclictest0-21swapper/023:30:090
22240991613,2cyclictest23589-21expr21:05:140
22240991613,2cyclictest18903-21wc20:00:130
2224099160,1cyclictest0-21swapper/020:25:130
2224099160,1cyclictest0-21swapper/019:15:090
2224099160,15cyclictest22275-21fschecks_time20:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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