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2026-08-28 - 13:40
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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 rack3slot0.osadl.org (updated Fri Aug 28, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160152890,2sleep31007599cyclictest09:11:083
160152890,2sleep31007599cyclictest09:11:083
154442700,2sleep01004999cyclictest11:55:400
197222570,0sleep00-21swapper/010:48:360
226892530,0sleep20-21swapper/210:08:412
241802500,0sleep70-21swapper/711:45:227
58372490,1sleep01004999cyclictest10:14:560
109572490,0sleep00-21swapper/009:12:410
109572490,0sleep00-21swapper/009:12:410
137702480,0sleep40-21swapper/410:30:064
132862480,0sleep30-21swapper/310:28:133
127842480,0sleep00-21swapper/011:33:450
982624725,8sleep10-21swapper/107:03:591
965924724,8sleep30-21swapper/307:01:453
323182470,1sleep532321-21grepconf.sh09:42:255
58252460,0sleep6631rcuc/611:58:506
211062460,1sleep221104-21grepconf.sh09:25:402
109802460,0sleep10-21swapper/112:06:221
34512450,0sleep60-21swapper/611:11:176
26522450,0sleep60-21swapper/609:15:436
118212450,0sleep40-21swapper/410:02:434
8952440,0sleep50-21swapper/509:08:295
307402440,0sleep60-21swapper/610:21:516
302002440,0sleep30-21swapper/309:44:083
26622440,0sleep20-21swapper/211:00:232
136722440,0sleep10-21swapper/111:59:171
97862430,0sleep20-21swapper/212:17:122
76482430,0sleep60-21swapper/611:29:516
70462430,0sleep20-21swapper/211:58:542
43312430,1sleep125-21ksoftirqd/109:44:301
234342430,2sleep71010699cyclictest09:34:507
155462430,0sleep00-21swapper/011:35:380
991224230,8sleep00-21swapper/007:05:100
73042410,0sleep40-21swapper/407:55:264
69512410,0sleep00-21swapper/009:58:540
322082410,0sleep40-21swapper/409:15:334
261582410,0sleep00-21swapper/009:10:010
195782410,0sleep70-21swapper/709:11:207
195782410,0sleep70-21swapper/709:11:207
960524028,8sleep70-21swapper/707:01:017
46742400,0sleep10-21swapper/109:39:091
144532400,2sleep61009999cyclictest10:42:496
129942400,0sleep60-21swapper/612:13:486
127212400,2sleep1241ktimersoftd/112:33:531
986323926,9sleep20-21swapper/207:04:322
963823926,9sleep40-21swapper/407:01:304
962123927,8sleep50-21swapper/507:01:155
43672390,0sleep30-21swapper/309:17:403
266282390,0sleep60-21swapper/609:38:346
969823827,8sleep60-21swapper/607:02:206
92252380,0sleep40-21swapper/409:23:184
241502370,0sleep70-21swapper/710:25:127
153542370,2sleep61009999cyclictest11:04:446
147732360,0sleep50-21swapper/511:30:145
93392260,0sleep30-21swapper/309:51:523
88852190,1sleep68886-21sshd09:14:236
88852190,1sleep68886-21sshd09:14:236
118832190,0sleep70-21swapper/711:15:267
9022180,0sleep40-21swapper/412:14:584
250172180,0sleep30-21swapper/310:47:033
224332180,0sleep00-21swapper/009:31:070
109152180,0sleep20-21swapper/210:46:142
1009199181,2cyclictest0-21swapper/510:40:505
160182170,0sleep316010-21sshd11:32:043
10099991716,1cyclictest65-21ksoftirqd/611:41:276
155212160,2sleep215510-21grepconf.sh10:24:432
1009199162,1cyclictest10362-21sshd11:13:345
10091991610,5cyclictest30840-21sshd09:49:345
1009199160,3cyclictest0-21swapper/510:56:325
1009199160,3cyclictest0-21swapper/510:56:325
10064991615,1cyclictest33-21ksoftirqd/210:42:122
10049991611,1cyclictest9-21ksoftirqd/012:19:170
96262150,0sleep40-21swapper/412:06:174
70452150,2sleep71010699cyclictest10:05:587
14252150,0sleep1231rcuc/110:02:081
130942150,0sleep00-21swapper/011:24:400
102162150,2sleep21006499cyclictest12:20:492
10099991512,3cyclictest65-21ksoftirqd/610:10:326
1009199157,6cyclictest19034-21sshd11:23:105
1009199154,4cyclictest8174-21systemd10:26:045
1009199154,3cyclictest464-21systemd-journal10:19:325
1009199151,5cyclictest1-21systemd10:33:245
10064991514,1cyclictest33-21ksoftirqd/209:11:162
10064991514,1cyclictest33-21ksoftirqd/209:11:162
10064991513,2cyclictest33-21ksoftirqd/212:11:292
10064991513,2cyclictest33-21ksoftirqd/211:14:552
10064991513,2cyclictest33-21ksoftirqd/210:34:292
10064991513,1cyclictest33-21ksoftirqd/211:31:042
10064991513,1cyclictest33-21ksoftirqd/209:49:102
10064991512,2cyclictest21759-21sshd11:48:522
10064991510,4cyclictest33-21ksoftirqd/210:39:402
1005699153,1cyclictest756-21sshd10:46:061
1005699152,3cyclictest6231-21perf07:55:131
1004999154,7cyclictest0-21swapper/012:28:260
8442140,0sleep00-21swapper/010:31:060
69542140,0sleep10-21swapper/112:02:301
69542140,0sleep10-21swapper/112:02:301
156342140,0sleep00-21swapper/011:11:590
156122140,0sleep30-21swapper/309:25:253
1009199143,2cyclictest0-21swapper/511:56:105
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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