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2024-10-07 - 00:21
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Sun Oct 06, 2024 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2542321430,0sleep20-21swapper/211:39:382
2542321430,0sleep20-21swapper/211:39:382
583221230,4sleep41992799cyclictest10:04:374
583221230,4sleep41992799cyclictest10:04:374
128042840,0sleep00-21swapper/009:37:470
249792820,0sleep40-21swapper/411:35:014
252572780,0sleep40-21swapper/408:25:154
215302740,0sleep50-21swapper/510:20:235
203892740,0sleep20-21swapper/209:29:482
178102730,0sleep00-21swapper/011:52:110
145392720,1sleep30-21swapper/310:10:203
293122710,0sleep20-21swapper/212:16:422
120502700,0sleep20-21swapper/210:51:302
52092690,1sleep30-21swapper/309:50:253
24492680,0sleep70-21swapper/709:59:277
240292680,0sleep20-21swapper/210:02:252
240292680,0sleep20-21swapper/210:02:252
54082670,0sleep00-21swapper/011:59:490
140162630,0sleep00-21swapper/010:37:570
1946625949,6sleep30-21swapper/307:07:283
325882530,0sleep20-21swapper/211:40:282
1963825040,6sleep70-21swapper/707:09:407
1942024938,7sleep50-21swapper/507:06:585
1962824837,7sleep60-21swapper/607:09:316
1951824636,6sleep10-21swapper/107:08:141
98972430,1sleep1231ktimersoftd/111:41:551
1936724230,7sleep00-21swapper/007:06:210
1935124231,7sleep20-21swapper/207:06:072
1955024131,6sleep40-21swapper/407:08:334
160802240,0sleep70-21swapper/712:01:077
316822230,1sleep3401rcuc/309:58:593
110352230,1sleep711030-21turbostat09:05:007
89492220,0sleep60-21swapper/611:37:116
89492220,0sleep60-21swapper/611:37:106
17502210,1sleep71751-21grepconf.sh10:22:187
248672200,0sleep40-21swapper/410:16:224
19911992018,1cyclictest587-21packagekitd12:02:522
1991199200,1cyclictest1-21systemd10:05:572
1991199200,19cyclictest8280-21bash12:09:212
141522200,1sleep60-21swapper/610:42:366
48502190,0sleep60-21swapper/609:45:476
35292190,0sleep00-21swapper/011:27:190
247652180,0sleep30-21swapper/310:16:213
230552180,0sleep60-21swapper/609:25:196
19927991817,0cyclictest540-40kipmi010:20:134
235842170,0sleep40-21swapper/412:06:494
22642170,0sleep30-21swapper/311:50:063
201152170,1sleep50-21swapper/511:15:455
1992799170,15cyclictest0-21swapper/411:25:144
137192170,0sleep40-21swapper/411:05:344
19927991615,0cyclictest540-40kipmi011:50:144
1992099160,14cyclictest0-21swapper/310:43:443
1991199163,12cyclictest0-21swapper/211:59:222
1991199160,15cyclictest22943-21bash12:11:152
191872160,0sleep1231ktimersoftd/109:34:111
11212160,1sleep60-21swapper/609:31:296
27732150,1sleep342-21ksoftirqd/309:45:283
1993799151,12cyclictest29252-21bash10:03:156
1993799151,12cyclictest29252-21bash10:03:156
1993299150,13cyclictest0-21swapper/512:28:475
1992799150,13cyclictest0-21swapper/410:42:054
1992799150,13cyclictest0-21swapper/409:59:284
1991199150,13cyclictest0-21swapper/210:26:082
1991199150,13cyclictest0-21swapper/209:54:082
190462150,0sleep50-21swapper/512:24:295
88162140,4sleep61993799cyclictest09:14:046
209812140,0sleep00-21swapper/010:25:070
19944991412,1cyclictest0-21swapper/711:06:167
1994499140,2cyclictest4258-21sed09:50:207
1994499140,2cyclictest0-21swapper/709:16:027
1994499140,1cyclictest0-21swapper/709:42:007
1993799140,2cyclictest25507-21systemd-cgroups10:58:056
1993799140,2cyclictest0-21swapper/611:18:316
19932991410,2cyclictest708-21dbus-daemon10:35:455
1993299140,12cyclictest0-21swapper/511:41:135
1992799140,2cyclictest0-21swapper/411:20:164
1992799140,13cyclictest735-21gdbus10:29:504
1992099140,12cyclictest463-21systemd-journal11:17:523
1992099140,12cyclictest0-21swapper/310:34:113
1991199140,12cyclictest0-21swapper/211:20:122
1991199140,12cyclictest0-21swapper/210:31:382
1990699140,2cyclictest31046-21sshd10:21:521
1989999141,12cyclictest0-21swapper/010:48:320
19899991410,3cyclictest0-21swapper/012:11:070
1989999140,12cyclictest0-21swapper/011:02:090
1989999140,12cyclictest0-21swapper/010:15:470
19944991311,1cyclictest0-21swapper/709:13:217
19944991310,1cyclictest25207-21sshd12:11:367
19944991310,1cyclictest0-21swapper/711:30:527
1994499130,1cyclictest19948-21sshd10:38:517
1994499130,12cyclictest0-21swapper/711:22:407
1994499130,12cyclictest0-21swapper/710:50:307
1993799138,4cyclictest19380-21munin-run12:20:016
19937991311,1cyclictest0-21swapper/610:29:296
1993799130,1cyclictest1-21systemd10:30:496
1993799130,12cyclictest26345-21sshd10:07:256
1993799130,12cyclictest0-21swapper/611:26:436
1993799130,12cyclictest0-21swapper/609:53:266
1993799130,12cyclictest0-21swapper/609:15:086
1993299139,2cyclictest0-21swapper/511:58:505
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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