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2025-12-04 - 19:41
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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 Dec 04, 2025 12:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1638223810,7sleep335-21ksoftirqd/307:05:143
178242234157,62sleep20-21swapper/207:05:342
178572213149,22sleep00-21swapper/007:06:010
179562211173,25sleep10-21swapper/107:07:181
213542160,1sleep228-21ksoftirqd/211:38:222
1826099140,14cyclictest0-21swapper/309:42:433
18254991312,1cyclictest20220-21ntpq10:50:182
18254991311,1cyclictest28-21ksoftirqd/210:30:122
1824299132,5cyclictest29263-21perf08:40:010
18242991312,1cyclictest9-21ksoftirqd/008:24:550
1825499129,3cyclictest28-21ksoftirqd/212:30:212
18254991211,1cyclictest28-21ksoftirqd/209:46:412
18254991211,1cyclictest28-21ksoftirqd/209:25:132
18254991211,1cyclictest22030-21latency_hist09:25:002
18254991210,1cyclictest28-21ksoftirqd/209:15:172
18254991210,1cyclictest28-21ksoftirqd/208:55:002
1825499119,1cyclictest28-21ksoftirqd/212:02:062
1825499119,1cyclictest28-21ksoftirqd/211:15:232
1825499119,1cyclictest28-21ksoftirqd/211:10:162
18254991110,1cyclictest28-21ksoftirqd/212:26:522
18254991110,1cyclictest28-21ksoftirqd/211:25:192
18254991110,1cyclictest28-21ksoftirqd/211:09:462
18254991110,1cyclictest28-21ksoftirqd/210:35:182
18254991110,1cyclictest28-21ksoftirqd/210:04:092
18254991110,1cyclictest28-21ksoftirqd/209:50:012
18242991111,0cyclictest9-21ksoftirqd/012:40:000
18242991111,0cyclictest9-21ksoftirqd/011:05:220
18242991110,1cyclictest9-21ksoftirqd/012:30:000
18242991110,1cyclictest9-21ksoftirqd/012:16:380
18242991110,1cyclictest9-21ksoftirqd/010:00:150
18242991110,1cyclictest9-21ksoftirqd/009:10:000
1826099100,7cyclictest14667-21apt-get12:15:123
1825499109,1cyclictest28-21ksoftirqd/212:07:232
1825499109,1cyclictest28-21ksoftirqd/211:45:172
1825499109,1cyclictest28-21ksoftirqd/211:25:002
1825499109,1cyclictest28-21ksoftirqd/210:46:472
1825499109,1cyclictest28-21ksoftirqd/210:40:152
1825499109,1cyclictest28-21ksoftirqd/210:20:232
1825499109,1cyclictest28-21ksoftirqd/210:10:202
1825499109,1cyclictest28-21ksoftirqd/209:56:452
1825499109,1cyclictest28-21ksoftirqd/209:10:132
1825499109,0cyclictest28-21ksoftirqd/209:35:152
1825499109,0cyclictest28-21ksoftirqd/209:35:152
18254991010,0cyclictest28-21ksoftirqd/212:35:562
1824299109,1cyclictest9-21ksoftirqd/012:30:170
1824299109,1cyclictest9-21ksoftirqd/010:00:000
1824299105,1cyclictest23245-21fschecks_time10:55:170
18242991010,0cyclictest9-21ksoftirqd/010:50:140
1824299101,4cyclictest17428-21perf08:15:000
182609999,0cyclictest35-21ksoftirqd/312:20:213
182609997,1cyclictest5377-21latency_hist07:50:003
182609991,5cyclictest564-21nscd09:25:183
182549999,0cyclictest28-21ksoftirqd/211:55:202
182549999,0cyclictest28-21ksoftirqd/211:30:202
182549999,0cyclictest28-21ksoftirqd/210:16:542
182549998,1cyclictest28-21ksoftirqd/212:20:192
182549998,1cyclictest28-21ksoftirqd/212:15:202
182549998,1cyclictest28-21ksoftirqd/211:00:162
182549998,1cyclictest28-21ksoftirqd/210:25:152
182549998,1cyclictest28-21ksoftirqd/209:43:192
182549997,1cyclictest28-21ksoftirqd/209:10:002
182549997,1cyclictest28-21ksoftirqd/208:35:122
182549997,1cyclictest28-21ksoftirqd/207:30:142
182549997,1cyclictest28-21ksoftirqd/207:15:002
182549996,3cyclictest28-21ksoftirqd/211:40:212
182479997,1cyclictest119292sleep110:40:061
182429998,1cyclictest9-21ksoftirqd/012:20:130
182429998,1cyclictest9-21ksoftirqd/012:10:000
182429998,1cyclictest9-21ksoftirqd/011:10:210
182429998,1cyclictest9-21ksoftirqd/010:40:000
182429998,1cyclictest9-21ksoftirqd/010:20:150
182429998,1cyclictest9-21ksoftirqd/009:30:150
182429997,1cyclictest9-21ksoftirqd/009:35:170
182429997,1cyclictest9-21ksoftirqd/009:35:160
182429997,1cyclictest9-21ksoftirqd/008:20:000
182429997,1cyclictest9-21ksoftirqd/007:15:160
182429995,1cyclictest9-21ksoftirqd/008:50:000
182609986,1cyclictest30197-21cat11:50:163
182609983,2cyclictest570-21systemd-logind10:45:203
182609980,6cyclictest20608-21munin-node07:22:343
182609980,5cyclictest22364-21apt-get08:25:113
182609980,3cyclictest0-21swapper/307:15:133
182549987,1cyclictest28-21ksoftirqd/211:50:422
182549987,1cyclictest28-21ksoftirqd/210:55:412
182549987,1cyclictest28-21ksoftirqd/210:09:502
182549986,1cyclictest60950irq/123-eno112:10:142
182549984,3cyclictest24719-21apt-get08:30:122
182429987,1cyclictest9-21ksoftirqd/011:25:140
182429987,1cyclictest9-21ksoftirqd/011:20:170
182429987,1cyclictest9-21ksoftirqd/008:50:160
182429987,1cyclictest554-21in:imuxsock08:31:320
182429987,0cyclictest18957-21df_inode07:10:130
182429986,1cyclictest9-21ksoftirqd/010:20:000
182429982,5cyclictest1927-21perl10:25:160
182429982,5cyclictest11145-21/usr/sbin/munin12:10:220
182429980,7cyclictest28622-21ssh11:48:490
182429980,7cyclictest2809-21ssh11:57:070
182429980,7cyclictest26218-21gpgv10:15:000
182429980,7cyclictest26162-21/usr/sbin/munin11:00:180
182429980,7cyclictest19122-21ssh10:05:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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