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2025-12-16 - 06:39
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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 100 highest latencies:
System rack1slot1.osadl.org (updated Tue Dec 16, 2025 00:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
108442215149,21sleep00-21swapper/019:05:310
109032208129,64sleep20-21swapper/219:06:182
109782200160,26sleep30-21swapper/319:07:153
109812198129,24sleep10-21swapper/119:07:171
11298992212,9cyclictest0-21swapper/023:35:130
185192150,0sleep00-21swapper/019:20:180
1131599130,12cyclictest0-21swapper/121:25:131
1129899131,4cyclictest240-21systemd-journal20:45:000
11320991210,1cyclictest28-21ksoftirqd/219:45:002
1131599120,11cyclictest1145-21taskset19:55:071
21172110,0sleep20-21swapper/219:55:162
1129899114,6cyclictest19516-21cat22:50:010
1132099109,1cyclictest28-21ksoftirqd/221:20:012
1132099109,1cyclictest28-21ksoftirqd/200:05:012
1132099109,1cyclictest28-21ksoftirqd/200:05:012
1132099108,1cyclictest28-21ksoftirqd/222:45:002
113289991,6cyclictest12706-21aten_r1power_fr22:35:133
112989997,1cyclictest9-21ksoftirqd/023:20:010
112989991,4cyclictest17693-21perf20:30:000
113289987,1cyclictest0-21swapper/321:30:133
113289986,1cyclictest707-21snmpd22:56:463
113289986,1cyclictest707-21snmpd22:28:333
113289986,1cyclictest707-21snmpd21:48:053
113289986,1cyclictest707-21snmpd21:00:163
113289986,1cyclictest707-21snmpd20:44:313
113289986,1cyclictest707-21snmpd20:33:153
113289986,1cyclictest707-21snmpd20:29:093
113289986,1cyclictest707-21snmpd20:17:423
113289986,1cyclictest35-21ksoftirqd/319:16:503
113289985,1cyclictest7032-21cat23:30:163
113289982,2cyclictest13866-21idleruntime19:15:013
113209987,1cyclictest28-21ksoftirqd/221:00:012
113209986,1cyclictest707-21snmpd00:32:342
113209986,1cyclictest61650irq/122-eno122:20:012
113209986,1cyclictest61650irq/122-eno121:20:162
113209986,1cyclictest61650irq/122-eno119:10:152
113209986,1cyclictest23476-21cat20:40:162
113209980,3cyclictest0-21swapper/222:50:112
113159981,3cyclictest0-21swapper/121:00:131
112989987,1cyclictest9-21ksoftirqd/000:05:120
112989986,1cyclictest9-21ksoftirqd/021:05:010
112989986,1cyclictest9-21ksoftirqd/020:10:130
112989986,1cyclictest7743-21fschecks_time21:15:170
112989986,1cyclictest707-21snmpd22:58:310
112989986,1cyclictest707-21snmpd20:54:250
112989980,7cyclictest27939-21ntp_states23:05:190
112989980,4cyclictest7355-21perf00:40:010
113289976,1cyclictest707-21snmpd23:13:323
113289976,1cyclictest707-21snmpd22:47:583
113289976,1cyclictest5594-21cat21:10:173
113289976,1cyclictest35-21ksoftirqd/321:10:013
113289976,1cyclictest32118-21cat19:50:183
113289976,1cyclictest17143-21ntpq23:50:193
113289975,1cyclictest707-21snmpd23:56:333
113289975,1cyclictest707-21snmpd23:48:483
113289975,1cyclictest707-21snmpd23:43:153
113289975,1cyclictest707-21snmpd23:38:053
113289975,1cyclictest707-21snmpd23:19:053
113289975,1cyclictest707-21snmpd23:02:193
113289975,1cyclictest707-21snmpd22:02:003
113289975,1cyclictest707-21snmpd21:54:423
113289975,1cyclictest707-21snmpd21:26:473
113289975,1cyclictest707-21snmpd19:41:263
113289975,1cyclictest707-21snmpd19:28:583
113289975,1cyclictest707-21snmpd00:26:133
113289975,1cyclictest707-21snmpd00:23:523
113289975,1cyclictest707-21snmpd00:15:403
113289975,1cyclictest707-21snmpd00:07:513
113289975,1cyclictest35-21ksoftirqd/322:20:113
113289972,4cyclictest23729-21perf19:35:003
113289971,1cyclictest240-21systemd-journal19:25:013
113289970,4cyclictest0-21swapper/321:35:013
113209976,1cyclictest9837-21sensors20:10:212
113209976,1cyclictest61650irq/122-eno123:06:152
113209976,1cyclictest61650irq/122-eno121:10:172
113209976,1cyclictest28-21ksoftirqd/223:45:012
113209975,1cyclictest707-21snmpd23:10:262
113209975,1cyclictest707-21snmpd22:07:182
113209975,1cyclictest707-21snmpd21:43:052
113209975,1cyclictest707-21snmpd21:36:082
113209975,1cyclictest707-21snmpd00:21:252
113209975,1cyclictest61650irq/122-eno123:50:222
113209975,1cyclictest61650irq/122-eno119:15:222
113209975,1cyclictest28-21ksoftirqd/222:00:012
113209974,1cyclictest240-21systemd-journal19:40:002
113209971,6cyclictest0-21swapper/223:34:592
113209971,1cyclictest0-21swapper/222:31:552
113209970,6cyclictest8828-21ls23:35:142
113159970,2cyclictest0-21swapper/120:55:151
112989976,1cyclictest9-21ksoftirqd/023:40:120
112989975,1cyclictest9-21ksoftirqd/000:20:010
112989975,1cyclictest9-21ksoftirqd/000:15:010
112989975,1cyclictest707-21snmpd23:02:550
112989975,1cyclictest707-21snmpd21:33:380
112989975,1cyclictest707-21snmpd19:25:580
112989975,1cyclictest25665-21unixbench_singl19:35:210
112989973,2cyclictest240-21systemd-journal21:00:010
112989973,2cyclictest240-21systemd-journal20:40:000
112989970,6cyclictest7304-21ntp_states23:30:180
112989970,6cyclictest21168-21expr00:00:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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