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2024-11-21 - 16:08
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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 rackdslot2.osadl.org (updated Thu Nov 21, 2024 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170662235170,22sleep10-21swapper/107:06:221
170932231163,22sleep30-21swapper/307:06:443
170422204170,22sleep20-21swapper/207:06:032
171652202170,22sleep00-21swapper/007:07:410
2480621520,2sleep20-21swapper/209:44:592
1733828161,11sleep20-21swapper/207:10:012
1733828161,11sleep20-21swapper/207:10:012
1762999716,16cyclictest5716-21cstates11:20:140
17629997010,18cyclictest19371-21tune2fs10:40:160
1763099670,25cyclictest23333-21ps11:55:231
17632996637,3cyclictest41-21ksoftirqd/308:50:013
1762999669,11cyclictest26380-21sed07:25:270
17629996611,11cyclictest17811-21grep10:35:220
17631996522,6cyclictest33-21ksoftirqd/207:50:132
1763099650,24cyclictest31475-21users09:55:291
1763099650,24cyclictest19742-21sed10:40:191
1762999649,11cyclictest4304-21grep08:55:230
17631996325,6cyclictest33-21ksoftirqd/210:30:182
17631996324,6cyclictest33-21ksoftirqd/212:25:242
1763099630,35cyclictest3839-21/usr/sbin/munin10:05:261
1763099630,25cyclictest13479-21sed10:25:271
1763099630,24cyclictest12819-21cstates09:15:151
1763099630,23cyclictest23953-21df_abs10:50:131
1762999639,11cyclictest447-21sed08:50:010
1762999638,12cyclictest11319-21ls11:30:220
1762999638,11cyclictest6606-21latency_hist07:55:010
17629996310,11cyclictest11619-21tr08:05:150
17632996240,3cyclictest41-21ksoftirqd/312:30:293
17632996230,4cyclictest41-21ksoftirqd/307:35:213
17632996229,4cyclictest41-21ksoftirqd/309:20:193
1762999629,16cyclictest9490-21awk10:20:130
17629996211,11cyclictest9586-21tune2fs08:00:190
17629996211,11cyclictest3436-21/usr/sbin/munin10:05:210
17632996130,9cyclictest41-21ksoftirqd/308:35:233
17632996130,7cyclictest41-21ksoftirqd/311:05:173
17632996130,4cyclictest41-21ksoftirqd/307:20:193
17632996129,9cyclictest41-21ksoftirqd/312:25:173
17632996127,4cyclictest41-21ksoftirqd/311:35:233
17631996120,6cyclictest33-21ksoftirqd/211:10:272
1763099610,30cyclictest6386-21date12:30:001
1763099610,22cyclictest15000-21/usr/sbin/munin11:40:221
1763099610,18cyclictest0-21swapper/107:45:141
1762999619,11cyclictest22024-21sort08:25:190
17632996030,4cyclictest41-21ksoftirqd/310:45:003
17632996030,4cyclictest41-21ksoftirqd/309:05:003
17632996029,4cyclictest41-21ksoftirqd/308:10:133
17632996029,4cyclictest41-21ksoftirqd/308:10:133
17632996028,4cyclictest41-21ksoftirqd/310:30:013
17632996027,4cyclictest41-21ksoftirqd/311:45:143
17631996017,6cyclictest33-21ksoftirqd/207:25:232
17631996016,5cyclictest33-21ksoftirqd/212:35:162
1763099601,21cyclictest0-21swapper/108:00:301
1763099600,29cyclictest2743-21latency12:20:211
1763099600,25cyclictest12415-21cat09:15:001
1762999609,12cyclictest25758-21grep08:35:140
17632995930,4cyclictest41-21ksoftirqd/311:25:263
17632995929,4cyclictest41-21ksoftirqd/309:30:153
17632995927,4cyclictest41-21ksoftirqd/310:30:183
17632995927,11cyclictest41-21ksoftirqd/310:10:193
17632995926,4cyclictest41-21ksoftirqd/309:45:243
17632995925,7cyclictest41-21ksoftirqd/308:30:183
17631995918,6cyclictest33-21ksoftirqd/211:35:002
17631995918,6cyclictest33-21ksoftirqd/209:15:152
17631995918,6cyclictest33-21ksoftirqd/208:55:142
17631995917,6cyclictest33-21ksoftirqd/208:10:232
17631995917,6cyclictest33-21ksoftirqd/208:10:232
17631995916,8cyclictest33-21ksoftirqd/209:30:142
1763099590,26cyclictest742-21/usr/sbin/munin07:40:241
1763099590,26cyclictest742-21/usr/sbin/munin07:40:241
1762999599,16cyclictest29449-21/usr/sbin/munin07:35:150
1762999599,11cyclictest6811-21sh10:14:590
1762999599,11cyclictest20749-21fschecks_time09:35:150
1762999598,11cyclictest24088-21irqrtprio08:30:190
17629995911,12cyclictest15348-21/usr/sbin/munin08:10:250
17629995911,12cyclictest15348-21/usr/sbin/munin08:10:250
17629995910,11cyclictest20846-21irqrtprio07:15:180
17632995830,4cyclictest41-21ksoftirqd/311:30:213
17632995829,9cyclictest41-21ksoftirqd/312:10:303
17632995828,9cyclictest41-21ksoftirqd/307:40:313
17632995828,9cyclictest41-21ksoftirqd/307:40:313
17632995828,7cyclictest41-21ksoftirqd/311:25:013
17632995828,4cyclictest41-21ksoftirqd/308:10:003
17632995828,4cyclictest41-21ksoftirqd/307:25:213
17632995827,10cyclictest41-21ksoftirqd/312:05:233
17632995825,8cyclictest41-21ksoftirqd/309:10:203
17632995824,3cyclictest41-21ksoftirqd/311:40:133
17631995830,4cyclictest33-21ksoftirqd/210:45:012
17631995826,5cyclictest33-21ksoftirqd/207:45:002
17631995826,5cyclictest33-21ksoftirqd/207:45:002
17631995816,7cyclictest33-21ksoftirqd/209:35:162
1763099584,28cyclictest613-21gmain11:25:011
1763099580,25cyclictest29336-21cut07:35:001
1763099580,24cyclictest17447-21sed10:35:181
1763099580,23cyclictest31980-21cstates12:15:151
1762999589,11cyclictest21848-21wc11:55:010
1762999588,12cyclictest25063-21mailstats10:50:240
17629995812,18cyclictest12349-21fw_packets10:25:140
17632995729,4cyclictest41-21ksoftirqd/308:40:013
17632995726,5cyclictest41-21ksoftirqd/307:15:243
17632995726,4cyclictest41-21ksoftirqd/311:10:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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