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2026-05-17 - 08:45
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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 rack5slot0.osadl.org (updated Sun May 17, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2022821290,1sleep00-21swapper/022:59:260
589521230,1sleep25896-21sshd21:47:222
2133121200,4sleep31584299cyclictest23:54:033
1561021090,3sleep11583399cyclictest23:39:301
325972920,4sleep10-21swapper/122:10:331
306462890,1sleep030644-21bash22:24:390
1541328926,59sleep30-21swapper/319:07:463
99792870,3sleep30-21swapper/322:36:283
261682870,3sleep31584299cyclictest00:09:093
131652850,0sleep00-21swapper/023:49:430
10132850,1sleep31007-21id21:50:163
298122840,2sleep129801-21sshd23:15:261
1527128433,47sleep10-21swapper/119:06:071
139402840,2sleep20-21swapper/200:07:472
214822830,4sleep11583399cyclictest23:14:421
41952810,1sleep20-21swapper/222:43:012
113942810,1sleep08-21rcu_preempt23:28:150
68022780,0sleep041ktimersoftd/023:35:030
31572760,0sleep03155-21bash21:53:570
241612760,1sleep20-21swapper/223:29:572
1549127532,12sleep20-21swapper/219:08:452
143112750,2sleep10-21swapper/100:33:521
66952740,1sleep20-21swapper/222:39:402
271472730,0sleep00-21swapper/000:16:440
171002720,4sleep21583899cyclictest22:51:382
203952710,2sleep220397-21sshd22:12:482
179722710,1sleep20-21swapper/200:00:352
23412660,1sleep10-21swapper/100:13:561
1527025732,13sleep00-21swapper/019:06:060
16712530,2sleep31674-21sshd22:00:303
191932380,0sleep119192-21bash21:38:361
82752360,0sleep00-21swapper/000:10:350
223532360,2sleep222355-21munin-node21:25:172
159922312,27sleep1144650irq/27-eth023:25:041
126042290,0sleep212600-21cp21:41:132
89002280,1sleep02024-21nfsd23:16:450
224442270,2sleep10-21swapper/122:34:181
101672270,3sleep20-21swapper/200:14:572
264342260,2sleep20-21swapper/222:20:362
1583899262,11cyclictest31673-21sshd23:30:402
97582250,2sleep30-21swapper/300:14:553
312512250,0sleep00-21swapper/022:17:220
168492250,0sleep016846-21sshd22:33:370
133092250,23sleep3144650irq/27-eth021:10:413
26672240,22sleep228950irq/26-ahci[00021:36:492
202672240,1sleep20-21swapper/200:27:082
1583899246,4cyclictest2159-21bash23:41:262
1582799246,10cyclictest13568-21sshd22:51:120
1583899235,10cyclictest22594-21sshd23:14:492
1582799238,2cyclictest7238-21sshd22:11:210
15827992314,5cyclictest0-21swapper/021:45:000
131572230,2sleep30-21swapper/300:15:153
125432230,21sleep3144650irq/27-eth022:33:053
238882220,20sleep3144650irq/27-eth021:49:213
1583899226,3cyclictest803-21sshd23:48:202
1583899224,4cyclictest8683-21sshd22:08:092
1582799226,15cyclictest0-21swapper/021:45:120
1582799225,13cyclictest6489-21sshd21:23:410
1582799223,4cyclictest0-21swapper/023:42:100
15827992212,9cyclictest0-21swapper/023:54:190
15827992211,6cyclictest0-21swapper/022:47:300
46282210,1sleep00-21swapper/023:09:190
291402210,1sleep00-21swapper/021:32:500
1583899214,4cyclictest0-21swapper/221:50:092
1583899210,11cyclictest23491-21sshd21:55:592
1582799219,7cyclictest19342-21cut22:45:000
1582799217,8cyclictest3952-21cpuspeed_turbos23:20:120
1582799217,4cyclictest17030-21sshd22:26:320
1582799217,12cyclictest27533-21grep00:35:230
1582799216,6cyclictest13712-21sshd23:56:400
1582799216,5cyclictest13119-21sshd22:08:380
1582799215,5cyclictest8671-21sshd23:13:160
1582799215,2cyclictest13228-21sshd21:10:390
1582799215,11cyclictest28096-21bash22:00:000
92952200,3sleep31584299cyclictest23:56:103
1583899203,10cyclictest14808-21sshd23:02:202
1583899203,10cyclictest14808-21sshd23:02:192
1582799207,6cyclictest27998-21diskstats23:00:140
1582799207,6cyclictest27998-21diskstats23:00:130
1582799206,6cyclictest1012-21sshd23:30:500
1582799206,4cyclictest2132-21sshd21:57:230
1582799206,12cyclictest16938-21sshd00:00:270
1582799205,6cyclictest29505-21sshd00:24:320
1582799205,5cyclictest25254-21bash21:15:210
1582799205,5cyclictest19194-21sshd21:28:240
1582799205,14cyclictest0-21swapper/021:37:570
308292190,17sleep1144650irq/27-eth021:19:291
1583899196,3cyclictest2024-21nfsd21:14:032
1583399190,3cyclictest20757-21munin-node21:25:271
1582799198,2cyclictest1630-21sshd22:35:320
1582799197,11cyclictest18611-21sshd00:30:220
1582799197,10cyclictest5723-21sshd21:10:010
1582799195,9cyclictest0-21swapper/000:26:200
15827991911,7cyclictest0-21swapper/000:07:110
102822190,1sleep21583899cyclictest22:04:572
50292180,16sleep3144650irq/27-eth022:28:483
289612180,16sleep1144650irq/27-eth021:43:011
166242180,16sleep1144650irq/27-eth022:15:431
1583899186,9cyclictest2132-21sshd22:56:272
1583899186,4cyclictest0-21swapper/200:37:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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