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2026-06-10 - 18:35
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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 Wed Jun 10, 2026 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
79472201163,24sleep30-21swapper/307:05:263
81292200163,24sleep00-21swapper/007:07:360
81132199162,24sleep10-21swapper/107:07:261
81712198158,26sleep20-21swapper/207:08:102
317112760,0sleep00-21swapper/007:55:140
6942600,0sleep10-21swapper/109:05:191
153172480,1sleep0839399cyclictest11:38:500
286902180,0sleep20-21swapper/207:50:112
8393991513,1cyclictest9-21ksoftirqd/008:55:100
840099130,13cyclictest0-21swapper/208:45:172
8393991312,1cyclictest9-21ksoftirqd/010:45:190
8407991210,1cyclictest35-21ksoftirqd/312:25:003
839399129,2cyclictest561-21nscd11:25:170
840799119,1cyclictest35-21ksoftirqd/310:00:003
8407991111,0cyclictest35-21ksoftirqd/309:14:233
8407991110,1cyclictest35-21ksoftirqd/309:20:003
840099119,1cyclictest28-21ksoftirqd/210:30:002
840099119,1cyclictest28-21ksoftirqd/208:15:002
839399119,1cyclictest9-21ksoftirqd/011:20:140
839399119,1cyclictest9-21ksoftirqd/008:20:140
839399113,4cyclictest25337-21perf10:25:000
121642110,0sleep00-21swapper/012:17:160
840799109,1cyclictest35-21ksoftirqd/310:05:003
840799108,1cyclictest35-21ksoftirqd/309:55:003
840099109,1cyclictest28-21ksoftirqd/211:55:002
840099109,1cyclictest28-21ksoftirqd/207:40:002
840099109,1cyclictest28-21ksoftirqd/207:35:002
840099108,1cyclictest28-21ksoftirqd/211:20:002
839899109,0cyclictest102162sleep112:15:131
839399109,1cyclictest9-21ksoftirqd/012:30:000
839399109,1cyclictest9-21ksoftirqd/012:15:000
839399109,1cyclictest9-21ksoftirqd/010:10:170
839399109,1cyclictest9-21ksoftirqd/009:58:010
839399108,1cyclictest9-21ksoftirqd/011:00:140
839399108,1cyclictest9-21ksoftirqd/008:35:000
8393991010,0cyclictest9-21ksoftirqd/011:30:180
84079999,0cyclictest35-21ksoftirqd/310:55:003
84079998,1cyclictest35-21ksoftirqd/308:55:003
84009998,1cyclictest28-21ksoftirqd/212:19:592
84009998,1cyclictest28-21ksoftirqd/210:15:152
84009998,1cyclictest28-21ksoftirqd/208:05:012
84009998,1cyclictest28-21ksoftirqd/208:00:002
84009997,1cyclictest28-21ksoftirqd/210:45:132
84009997,1cyclictest28-21ksoftirqd/210:20:122
84009997,1cyclictest28-21ksoftirqd/207:45:012
84009990,6cyclictest21254-21df12:30:122
84009990,1cyclictest20469-21munin-run12:30:012
83939998,1cyclictest9-21ksoftirqd/010:32:300
83939998,1cyclictest9-21ksoftirqd/010:15:110
83939998,1cyclictest9-21ksoftirqd/009:15:010
83939998,1cyclictest9-21ksoftirqd/009:10:150
83939998,1cyclictest9-21ksoftirqd/008:05:200
83939997,2cyclictest9-21ksoftirqd/012:00:120
83939997,2cyclictest10758-21munin-node07:31:160
83939997,1cyclictest9-21ksoftirqd/011:50:140
83939990,6cyclictest26214-21/usr/sbin/munin07:45:190
83939990,4cyclictest10167-21ls08:20:000
84079987,1cyclictest35-21ksoftirqd/310:35:003
84079987,1cyclictest35-21ksoftirqd/308:40:003
84079986,1cyclictest1029-21snmpd11:20:233
84079986,1cyclictest1029-21snmpd11:11:353
84079986,1cyclictest1029-21snmpd09:47:243
84079986,1cyclictest1029-21snmpd09:06:493
84079986,1cyclictest1029-21snmpd08:11:183
84079986,1cyclictest1029-21snmpd07:59:143
84079986,1cyclictest1029-21snmpd07:52:333
84079986,1cyclictest1029-21snmpd07:44:173
84079986,1cyclictest1029-21snmpd07:37:293
84079980,6cyclictest1029-21snmpd10:41:433
84079980,5cyclictest20751-21ssh12:30:113
84009988,0cyclictest28-21ksoftirqd/210:30:152
84009988,0cyclictest0-21swapper/212:38:492
84009987,1cyclictest28-21ksoftirqd/212:05:002
84009987,1cyclictest28-21ksoftirqd/211:30:002
84009987,1cyclictest28-21ksoftirqd/211:20:122
84009987,1cyclictest28-21ksoftirqd/210:53:122
84009987,1cyclictest28-21ksoftirqd/208:20:002
84009986,1cyclictest28-21ksoftirqd/212:20:112
84009986,1cyclictest28-21ksoftirqd/209:15:182
84009986,1cyclictest1029-21snmpd11:13:092
84009986,1cyclictest1029-21snmpd07:28:302
84009982,5cyclictest1029-21snmpd09:44:392
84009980,7cyclictest31858-21kworker/u8:010:14:492
83989980,4cyclictest0-21swapper/110:45:141
83989980,3cyclictest0-21swapper/109:15:111
83939988,0cyclictest9-21ksoftirqd/012:20:180
83939988,0cyclictest9-21ksoftirqd/010:25:090
83939987,1cyclictest9-21ksoftirqd/010:35:110
83939987,1cyclictest9-21ksoftirqd/009:40:010
83939987,1cyclictest9-21ksoftirqd/007:15:000
83939987,0cyclictest9-21ksoftirqd/008:45:190
83939986,1cyclictest9-21ksoftirqd/012:30:130
83939986,1cyclictest9-21ksoftirqd/012:00:000
83939986,1cyclictest9-21ksoftirqd/011:15:140
83939986,1cyclictest1029-21snmpd09:34:480
83939986,1cyclictest1029-21snmpd09:08:340
83939986,1cyclictest1029-21snmpd08:36:510
83939984,2cyclictest1283-21diskmemload10:40:130
83939983,4cyclictest21281-21/usr/sbin/munin07:35:200
84079976,1cyclictest35-21ksoftirqd/312:30:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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