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2024-07-16 - 08:19
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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 50 highest latencies:
System rackdslot4.osadl.org (updated Mon Jul 15, 2024 12:46:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1299911820,6ptp4l401ktimersoftd/307:08:503
1352721750,8sleep31031099cyclictest09:30:193
3053521680,7sleep11030899cyclictest11:15:161
2220021220,6sleep21030999cyclictest12:05:282
9766211090,10sleep10-21swapper/107:06:421
10307998632,6cyclictest9-21ksoftirqd/008:45:390
10307998529,5cyclictest9-21ksoftirqd/010:00:000
10309998311,10cyclictest1-21systemd08:45:042
10307998323,5cyclictest9-21ksoftirqd/011:00:010
10309998111,19cyclictest22862-21sed09:50:152
10309998111,13cyclictest5632-21grep10:20:382
10307997927,5cyclictest9-21ksoftirqd/009:45:360
98222779,56sleep00-21swapper/007:07:270
10309997712,18cyclictest2899-21df_abs11:25:182
10309997711,14cyclictest7344-21cpuspeed_turbos11:35:132
10309997711,14cyclictest31443-21ps11:15:332
10309997711,12cyclictest1-21systemd08:44:412
1030999769,20cyclictest7200-21irqrtprio08:10:292
10309997610,21cyclictest1340-21/usr/sbin/munin09:05:422
1030999759,12cyclictest20670-21ls10:55:002
1030999758,21cyclictest19851-21sed08:35:402
1030999756,13cyclictest2300-21idleruntime-cro11:25:002
10307997525,5cyclictest9-21ksoftirqd/012:25:190
1030999749,13cyclictest14512-21sed08:25:252
1030999748,14cyclictest30611-21sed08:55:352
1030999748,14cyclictest30611-21sed08:55:342
10309997412,18cyclictest25905-21cut07:40:372
10309997411,13cyclictest12083-21interrupts08:20:252
10307997433,5cyclictest9-21ksoftirqd/009:25:390
10309997311,20cyclictest10366-21ls08:15:352
10307997345,3cyclictest9-21ksoftirqd/008:50:380
1030999729,13cyclictest472-21grep12:30:112
1030999716,14cyclictest26316-21irqrtprio11:05:242
10309997110,14cyclictest3792-21cat08:05:012
10307997120,5cyclictest9-21ksoftirqd/007:50:000
1030999709,14cyclictest12091-21mailstats09:25:342
1030999708,20cyclictest15248-21wc09:35:012
1030999708,18cyclictest3934-21apt-config08:05:002
1030999708,13cyclictest17031-21sed08:30:342
1030999707,14cyclictest21202-21df_abs10:55:172
10307997034,4cyclictest9-21ksoftirqd/009:40:320
10307997021,5cyclictest9-21ksoftirqd/008:15:210
1030999699,14cyclictest629-21ls09:00:552
1030999699,14cyclictest629-21ls09:00:552
1030999698,15cyclictest18674-21ls09:40:252
1030999697,15cyclictest10649-21date09:25:012
10307996916,11cyclictest9-21ksoftirqd/010:35:170
1030999688,13cyclictest2347-21df_abs10:15:162
1030999688,12cyclictest22391-21sed09:50:002
10307996859,4cyclictest9-21ksoftirqd/010:50:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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