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2025-07-03 - 14:13
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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 Thu Jul 03, 2025 12:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91982213150,23sleep20-21swapper/207:07:312
92142202163,25sleep30-21swapper/307:07:443
93352199159,26sleep00-21swapper/007:09:180
91652195158,24sleep10-21swapper/107:07:061
48722580,0sleep20-21swapper/212:00:162
947099190,18cyclictest11391-21ssh12:10:110
9487991815,1cyclictest28-21ksoftirqd/212:11:542
947099160,15cyclictest2131-21diskmemload11:42:230
949599150,1cyclictest6539-21hddtemp_smartct09:55:173
11702150,0sleep10-21swapper/110:30:181
949599140,1cyclictest5681-21ssh09:14:003
949599140,1cyclictest19355-21diskstats12:20:163
9487991412,1cyclictest28-21ksoftirqd/212:15:182
949599133,9cyclictest21847-21pmu-power08:40:223
949599130,0cyclictest0-21swapper/307:50:013
9487991313,0cyclictest28-21ksoftirqd/211:33:532
9487991312,1cyclictest28-21ksoftirqd/211:59:592
9487991312,1cyclictest28-21ksoftirqd/211:22:362
9487991312,1cyclictest28-21ksoftirqd/209:37:312
9470991311,1cyclictest9-21ksoftirqd/009:25:000
9470991311,1cyclictest9-21ksoftirqd/008:20:000
949599120,1cyclictest0-21swapper/309:53:413
949599120,0cyclictest2131-21diskmemload11:50:043
949599120,0cyclictest2131-21diskmemload10:25:183
9470991211,1cyclictest9-21ksoftirqd/011:15:010
949599114,6cyclictest2131-21diskmemload12:18:483
949599112,0cyclictest2131-21diskmemload11:05:583
949599111,9cyclictest2131-21diskmemload11:40:223
949599111,1cyclictest11829-21munin-node07:15:003
949599111,0cyclictest2131-21diskmemload12:37:123
949599111,0cyclictest2131-21diskmemload11:47:333
949599111,0cyclictest2131-21diskmemload10:33:393
949599111,0cyclictest2131-21diskmemload10:22:463
949599110,9cyclictest6263-21apt-get08:10:123
949599110,2cyclictest0-21swapper/311:03:203
949599110,0cyclictest0-21swapper/311:26:303
949599110,0cyclictest0-21swapper/310:52:053
948799119,1cyclictest28-21ksoftirqd/212:30:162
948799119,1cyclictest28-21ksoftirqd/211:40:162
948799119,1cyclictest28-21ksoftirqd/210:45:172
948799119,1cyclictest28-21ksoftirqd/209:10:242
948799119,1cyclictest28-21ksoftirqd/208:50:002
948799119,1cyclictest28-21ksoftirqd/207:45:012
9487991110,1cyclictest28-21ksoftirqd/212:24:422
9487991110,1cyclictest28-21ksoftirqd/211:50:162
9487991110,1cyclictest28-21ksoftirqd/210:55:152
9487991110,1cyclictest28-21ksoftirqd/210:39:122
9487991110,1cyclictest28-21ksoftirqd/210:15:172
9487991110,1cyclictest28-21ksoftirqd/210:11:312
9487991110,1cyclictest28-21ksoftirqd/209:50:182
9487991110,1cyclictest28-21ksoftirqd/209:30:012
948799111,9cyclictest28-21ksoftirqd/209:00:152
9470991110,1cyclictest9-21ksoftirqd/011:31:370
9470991110,1cyclictest9-21ksoftirqd/008:40:010
949599108,1cyclictest35-21ksoftirqd/307:45:003
949599106,4cyclictest17740-21snmpd08:59:443
949599104,5cyclictest2131-21diskmemload09:25:063
949599102,0cyclictest2131-21diskmemload09:47:353
9495991010,0cyclictest35-21ksoftirqd/307:59:493
949599101,1cyclictest8635-21irqstats12:05:213
949599101,1cyclictest2131-21diskmemload12:25:503
949599101,1cyclictest16001-21cpuspeed_turbos08:30:133
949599101,0cyclictest2131-21diskmemload11:31:183
949599101,0cyclictest2131-21diskmemload10:40:283
949599101,0cyclictest2131-21diskmemload10:09:063
949599100,9cyclictest0-21swapper/310:12:303
949599100,2cyclictest0-21swapper/311:12:473
949599100,10cyclictest0-21swapper/310:59:553
949599100,1cyclictest928-21cut09:05:143
949599100,1cyclictest5589-21/usr/sbin/munin10:35:223
949599100,1cyclictest22724-21sh09:35:143
949599100,1cyclictest0-21swapper/309:23:323
949599100,0cyclictest0-21swapper/312:02:343
948799109,1cyclictest28-21ksoftirqd/212:05:222
948799109,1cyclictest28-21ksoftirqd/211:35:162
948799109,1cyclictest28-21ksoftirqd/211:15:012
948799109,1cyclictest28-21ksoftirqd/211:00:152
948799109,1cyclictest28-21ksoftirqd/210:52:092
948799109,1cyclictest28-21ksoftirqd/210:40:572
948799109,1cyclictest28-21ksoftirqd/210:30:012
948799109,1cyclictest28-21ksoftirqd/210:27:342
948799109,1cyclictest28-21ksoftirqd/209:46:212
948799109,1cyclictest28-21ksoftirqd/209:34:272
948799108,1cyclictest28-21ksoftirqd/212:35:202
948799108,1cyclictest28-21ksoftirqd/211:05:192
948799106,2cyclictest28-21ksoftirqd/212:25:162
9487991010,0cyclictest28-21ksoftirqd/211:49:322
9487991010,0cyclictest28-21ksoftirqd/210:05:202
947999102,2cyclictest5391-21chrt09:13:171
947999100,4cyclictest0-21swapper/111:35:121
947099108,1cyclictest9-21ksoftirqd/010:15:000
947099108,1cyclictest9-21ksoftirqd/009:40:150
947099103,3cyclictest3714-21sed08:04:590
94959998,1cyclictest35-21ksoftirqd/308:25:003
94959991,0cyclictest2131-21diskmemload11:35:013
94959990,8cyclictest17740-21snmpd07:18:173
94959990,8cyclictest0-21swapper/312:11:373
94959990,3cyclictest17740-21snmpd08:49:263
94959990,2cyclictest0-21swapper/311:16:253
94959990,2cyclictest0-21swapper/310:16:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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