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2026-05-17 - 07:07
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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 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
15838991816,1cyclictest0-21swapper/220:58:192
1583399183,3cyclictest28384-21sshd23:44:221
15833991814,2cyclictest0-21swapper/122:35:161
15833991812,2cyclictest144650irq/27-eth000:07:371
292542172,13sleep3144650irq/27-eth023:15:243
1584299173,2cyclictest0-21swapper/323:01:363
1584299173,2cyclictest0-21swapper/323:01:353
15842991712,3cyclictest4915-21bash00:36:303
1583899173,6cyclictest2024-21nfsd23:15:012
1583399178,4cyclictest16770-21sshd21:51:551
1583399175,10cyclictest0-21swapper/123:45:191
1583399173,6cyclictest0-21swapper/123:55:211
15833991713,3cyclictest16406-21sshd21:24:451
15833991712,4cyclictest17082-21sshd23:21:361
1582799179,6cyclictest12790-21crond20:14:590
1582799172,4cyclictest0-21swapper/019:45:420
1582799172,14cyclictest0-21swapper/019:51:220
15827991710,4cyclictest0-21swapper/020:20:550
239872162,12sleep3144650irq/27-eth000:30:593
202912162,12sleep1144650irq/27-eth000:15:571
15842991612,2cyclictest0-21swapper/323:45:303
1584299160,4cyclictest2023-21nfsd23:32:093
1584299160,14cyclictest0-21swapper/323:13:193
1584299160,11cyclictest22741-21sshd22:16:233
1584299160,11cyclictest0-21swapper/321:20:133
1583899167,2cyclictest28309-21sshd22:27:472
1583899163,5cyclictest17519-21sshd22:48:152
1583899163,12cyclictest0-21swapper/223:55:352
1583899161,13cyclictest7321-21sshd21:20:182
1583899160,9cyclictest0-21swapper/220:39:082
1583899160,8cyclictest13935-21sshd00:33:492
1583899160,14cyclictest0-21swapper/219:10:192
1583399169,1cyclictest5901-21sshd21:10:021
1583399167,8cyclictest0-21swapper/123:54:401
1583399163,3cyclictest3472-21sshd22:57:351
1583399161,2cyclictest22722-21sshd22:48:491
15833991612,3cyclictest24522-21sshd22:20:241
1583399160,14cyclictest0-21swapper/123:09:021
1583399160,14cyclictest0-21swapper/121:31:331
1582799165,10cyclictest4624-21sed19:55:140
1582799162,11cyclictest0-21swapper/020:55:360
15827991612,3cyclictest28095-21memory19:35:160
15827991612,3cyclictest27063-21cut20:45:120
15827991612,3cyclictest2006-21needreboot21:00:180
237052150,4sleep10-21swapper/100:01:141
166712152,11sleep2144650irq/27-eth023:50:062
1584299158,3cyclictest5919-21sshd23:27:323
1584299157,6cyclictest0-21swapper/322:55:193
15842991512,2cyclictest0-21swapper/321:36:023
15842991511,3cyclictest12054-21sshd23:39:053
1584299150,6cyclictest0-21swapper/320:00:173
1584299150,3cyclictest751-21bash22:24:563
1584299150,3cyclictest17533-21bash00:04:363
1584299150,3cyclictest144650irq/27-eth022:09:593
1584299150,14cyclictest684-21sshd21:57:033
1584299150,14cyclictest0-21swapper/323:42:403
1584299150,14cyclictest0-21swapper/323:22:503
1584299150,14cyclictest0-21swapper/321:17:453
1584299150,13cyclictest22802-21cut22:45:173
1583899153,5cyclictest30682-21sshd21:19:272
1583899153,5cyclictest14502-21sshd23:21:192
1583899153,4cyclictest24658-21sshd00:20:032
1583899152,12cyclictest2066-21nscd20:45:192
1583899151,8cyclictest4237-21sshd21:30:132
1583899150,8cyclictest15655-21sshd00:15:252
1583899150,8cyclictest0-21swapper/219:18:252
1583899150,4cyclictest20228-21bash22:30:192
1583899150,2cyclictest18765-21sshd23:39:512
1583899150,13cyclictest23970-21sshd23:07:382
1583899150,11cyclictest0-21swapper/220:24:282
1583399157,6cyclictest15021-21sshd21:55:111
1583399157,3cyclictest6955-21sshd21:47:291
1583399155,2cyclictest29343-21sshd22:00:081
15833991511,3cyclictest26313-21id00:20:121
1583399150,6cyclictest0-21swapper/122:43:521
1583399150,14cyclictest0-21swapper/122:28:071
1583399150,13cyclictest2132-21sshd23:00:101
1583399150,13cyclictest2132-21sshd23:00:101
1583399150,13cyclictest0-21swapper/123:30:251
1583399150,13cyclictest0-21swapper/122:53:141
1583399150,11cyclictest144650irq/27-eth020:51:501
1582799159,5cyclictest0-21swapper/020:30:170
1582799157,7cyclictest31104-21grep20:55:000
1582799155,9cyclictest2100-21snmpd20:36:250
1582799154,10cyclictest0-21swapper/019:15:220
1582799153,3cyclictest0-21swapper/019:25:160
1582799153,11cyclictest0-21swapper/019:30:250
1582799153,11cyclictest0-21swapper/019:10:150
1582799153,10cyclictest0-21swapper/020:25:120
15827991512,2cyclictest30246-21iostat19:40:160
15827991512,2cyclictest0-21swapper/020:40:130
15827991511,3cyclictest103642sleep020:08:080
143472150,2sleep20-21swapper/222:15:272
15842991411,2cyclictest15366-21sshd21:34:503
1584299140,5cyclictest12135-21sshd22:40:123
1584299140,5cyclictest11070-21sshd00:26:043
1584299140,13cyclictest30645-21sshd21:29:393
1584299140,13cyclictest0-21swapper/323:06:043
1584299140,13cyclictest0-21swapper/321:43:183
1584299140,13cyclictest0-21swapper/300:22:343
1583899144,9cyclictest153250irq/28-eth1-rx-19:54:402
1583899143,10cyclictest153250irq/28-eth1-rx-21:00:022
1583899142,1cyclictest0-21swapper/219:45:112
15838991411,2cyclictest17649-21munin-node20:25:102
1583399140,8cyclictest13990-21sshd22:05:161
1583399140,3cyclictest144650irq/27-eth019:55:021
1583399140,3cyclictest144650irq/27-eth019:46:161
1583399140,13cyclictest0-21swapper/121:01:541
1583399140,13cyclictest0-21swapper/120:45:291
1583399140,12cyclictest5682-21sshd00:25:261
1583399140,12cyclictest0-21swapper/120:36:001
1583399140,10cyclictest31931-21sshd00:35:531
1582799144,6cyclictest0-21swapper/019:20:120
138572141,12sleep3144650irq/27-eth022:51:163
1584299139,3cyclictest144650irq/27-eth019:30:013
1584299137,5cyclictest25-21rcuop/120:30:233
1584299137,5cyclictest0-21swapper/321:00:163
15842991311,1cyclictest0-21swapper/320:42:293
1584299130,5cyclictest0-21swapper/320:05:583
1584299130,3cyclictest144650irq/27-eth019:22:293
1584299130,12cyclictest144650irq/27-eth020:25:213
1584299130,12cyclictest0-21swapper/322:12:173
1584299130,12cyclictest0-21swapper/321:07:443
1584299130,12cyclictest0-21swapper/320:55:243
1584299130,12cyclictest0-21swapper/320:51:013
1584299130,12cyclictest0-21swapper/320:37:403
1584299130,12cyclictest0-21swapper/320:20:573
1584299130,12cyclictest0-21swapper/320:11:543
1583899139,3cyclictest144650irq/27-eth020:32:552
1583899138,3cyclictest25720-21iostat_ios19:30:222
1583899133,9cyclictest153250irq/28-eth1-rx-19:41:072
1583899132,4cyclictest0-21swapper/219:27:262
1583899131,5cyclictest2024-21nfsd20:40:132
1583899131,5cyclictest2024-21nfsd20:15:382
1583899131,11cyclictest144650irq/27-eth019:57:202
1583899130,12cyclictest0-21swapper/221:05:192
1583899130,12cyclictest0-21swapper/220:52:352
1583899130,10cyclictest144650irq/27-eth019:20:012
1583399139,3cyclictest144650irq/27-eth020:30:551
1583399139,3cyclictest144650irq/27-eth019:30:101
1583399137,5cyclictest0-21swapper/120:40:161
1583399132,10cyclictest144650irq/27-eth020:23:411
1583399131,3cyclictest29761-21munin-node19:40:121
1583399130,4cyclictest21701-21munin-node19:20:201
1583399130,12cyclictest22-21ksoftirqd/120:00:221
1583399130,12cyclictest0-21swapper/120:11:001
1583399130,12cyclictest0-21swapper/119:25:041
1583399130,11cyclictest27212-21chrt19:35:081
1583399130,11cyclictest14295-21munin-node20:15:181
1582799136,6cyclictest6236-21cut20:00:110
1582799133,9cyclictest0-21swapper/020:15:100
1584299128,3cyclictest0-21swapper/319:50:133
1584299126,5cyclictest0-21swapper/319:19:323
1584299121,10cyclictest144650irq/27-eth019:25:523
1584299120,8cyclictest0-21swapper/320:45:153
1584299120,7cyclictest0-21swapper/319:35:153
1584299120,11cyclictest0-21swapper/320:15:573
1584299120,11cyclictest0-21swapper/319:47:263
1584299120,11cyclictest0-21swapper/319:40:153
1584299120,10cyclictest4343-21munin-node19:55:133
1583899120,3cyclictest9359-21memory20:05:172
1583899120,3cyclictest6961-21iostat20:00:142
1583899120,11cyclictest144650irq/27-eth019:38:462
1583899120,11cyclictest0-21swapper/220:11:032
1583399127,4cyclictest0-21swapper/120:56:211
1583399120,4cyclictest0-21swapper/119:10:121
1583399120,3cyclictest3388-21munin-node21:05:111
1583399120,3cyclictest1589-21munin-node19:50:111
1583399120,10cyclictest18466-21diskstats19:15:131
1583399120,10cyclictest17894-21diskstats20:25:121
1583399120,10cyclictest0-21swapper/120:05:121
1584299110,10cyclictest16136-21df19:10:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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