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2026-05-25 - 01:33
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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 rack2slot0.osadl.org (updated Mon May 25, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273092890,0sleep127216-21sshd23:00:051
178522760,1sleep09-21ksoftirqd/023:15:510
176512760,2sleep2297399cyclictest22:48:092
204292750,0sleep10-21swapper/122:15:081
295942730,0sleep30-21swapper/322:24:153
145852710,0sleep00-21swapper/000:11:030
39492580,0sleep20-21swapper/221:15:362
273202540,0sleep20-21swapper/223:44:292
224832540,0sleep0111rcuc/000:22:520
121612540,0sleep00-21swapper/023:12:380
223492530,1sleep122351-21bash22:43:001
106842530,1sleep110680-21bash23:45:451
12472520,1sleep01250-21bash00:04:250
198992510,1sleep30-21swapper/323:38:173
164362510,0sleep20-21swapper/223:26:502
114162510,1sleep1623-17sedispatch22:47:361
34452500,1sleep21-21systemd23:39:402
229932500,0sleep20-21swapper/222:56:542
105102500,0sleep310512-21grep22:36:243
316512490,0sleep031652-21systemd-cgroups23:53:080
295402490,0sleep10-21swapper/121:10:511
250052490,1sleep1231rcuc/100:00:501
16682490,0sleep00-21swapper/022:13:300
129152480,0sleep00-21swapper/023:23:490
124572480,0sleep30-21swapper/321:28:403
44812470,0sleep10-21swapper/100:13:001
26812470,2sleep1296699cyclictest23:25:371
170322470,0sleep30-21swapper/300:22:243
229082460,0sleep20-21swapper/222:04:162
227522460,0sleep10-21swapper/121:18:011
291752450,0sleep20-21swapper/221:39:512
131992440,0sleep00-21swapper/022:50:270
250824332,6sleep30-21swapper/319:05:423
325102400,0sleep00-21swapper/021:59:320
303902320,0sleep20-21swapper/222:35:192
266422513,7sleep00-21swapper/019:07:340
21182229,7sleep20-21swapper/219:05:212
101422210,7sleep10-21swapper/119:05:031
80012200,1sleep37997-21sshd00:35:243
203562200,0sleep3391rcuc/321:17:423
28222190,0sleep30-21swapper/323:11:493
136472180,1sleep313618-21sshd21:41:133
222282170,0sleep022201-21sshd21:36:250
17042170,0sleep30-21swapper/322:07:563
95482160,2sleep1296699cyclictest00:32:511
95482160,2sleep1296699cyclictest00:32:501
37592160,2sleep2321ktimersoftd/221:34:552
313702160,0sleep331368-21sshd23:44:503
299072160,1sleep1674-21dbus-daemon21:22:481
179372160,2sleep1296699cyclictest23:21:251
38052150,0sleep00-21swapper/000:15:390
296099159,5cyclictest15377-21sshd22:36:500
2960991510,4cyclictest0-21swapper/000:37:000
292842150,0sleep00-21swapper/000:29:020
281212150,0sleep128122-21tty23:41:431
237132150,0sleep00-21swapper/021:42:070
210172150,1sleep121016-21bash23:16:081
187442150,1sleep3401ktimersoftd/323:24:193
90302140,0sleep10-21swapper/122:03:021
298222140,0sleep00-21swapper/000:34:380
298222140,0sleep00-21swapper/000:34:370
236032140,0sleep20-21swapper/200:28:312
231372140,0sleep30-21swapper/300:14:383
98682130,0sleep00-21swapper/022:19:470
50772130,0sleep30-21swapper/323:59:133
298252130,0sleep029823-21bash23:33:370
297799130,1cyclictest642-21systemd-logind00:16:083
297399130,1cyclictest32191-21sshd23:19:562
2966991311,1cyclictest17587-21bash23:51:541
296099139,3cyclictest0-21swapper/000:08:400
296099136,2cyclictest660-21avahi-daemon23:05:260
296099130,0cyclictest0-21swapper/022:26:300
223272130,0sleep11073-21nfsd00:25:331
203272130,0sleep00-21swapper/023:41:020
168682130,1sleep016870-21bash21:33:090
2977991210,1cyclictest7680-21lspci21:51:483
2977991210,1cyclictest1-21systemd22:30:183
297799120,1cyclictest674-21dbus-daemon21:46:383
297399120,11cyclictest0-21swapper/223:33:172
297399120,11cyclictest0-21swapper/223:04:162
296699120,1cyclictest0-21swapper/100:07:341
296699120,11cyclictest1-21systemd22:11:341
296099126,1cyclictest649-21polkitd22:03:000
2960991210,1cyclictest5711-21sshd21:15:510
2960991210,1cyclictest27464-21lspci22:46:100
296099120,1cyclictest5443-21sshd22:41:300
296099120,1cyclictest22275-21sshd22:56:510
296099120,1cyclictest0-21swapper/023:55:400
297799119,1cyclictest0-21swapper/322:42:293
2977991110,0cyclictest0-21swapper/323:29:083
2977991110,0cyclictest0-21swapper/322:57:483
2977991110,0cyclictest0-21swapper/300:26:083
2977991110,0cyclictest0-21swapper/300:01:583
297799110,10cyclictest0-21swapper/321:11:193
2973991110,0cyclictest0-21swapper/221:44:162
297399110,10cyclictest0-21swapper/200:16:362
296699110,1cyclictest0-21swapper/122:07:241
296699110,10cyclictest0-21swapper/121:32:441
296699110,10cyclictest0-21swapper/120:20:141
296699110,0cyclictest0-21swapper/122:24:541
296099119,1cyclictest710-21NetworkManager22:07:110
296099115,2cyclictest674-21dbus-daemon23:00:200
2960991110,0cyclictest0-21swapper/021:45:400
295862110,1sleep229581-21lspci23:58:312
297799109,0cyclictest0-21swapper/323:01:583
297799109,0cyclictest0-21swapper/322:53:393
297799109,0cyclictest0-21swapper/321:31:383
297799108,1cyclictest17433-21sshd23:15:493
297799100,0cyclictest0-21swapper/323:30:593
297799100,0cyclictest0-21swapper/300:33:583
297799100,0cyclictest0-21swapper/300:33:583
297399109,0cyclictest0-21swapper/222:51:462
297399109,0cyclictest0-21swapper/221:59:162
297399109,0cyclictest0-21swapper/221:54:372
297399108,1cyclictest3964-21sshd22:33:062
297399108,1cyclictest29615-21sshd21:14:562
297399108,1cyclictest27786-21sshd23:08:272
297399100,0cyclictest0-21swapper/200:14:272
297399100,0cyclictest0-21swapper/200:02:262
296699109,0cyclictest0-21swapper/122:32:241
296699108,1cyclictest20060-21sshd22:51:041
296699100,9cyclictest0-21swapper/119:30:041
296099109,0cyclictest0-21swapper/023:45:510
296099109,0cyclictest0-21swapper/019:20:000
296099100,0cyclictest0-21swapper/021:50:510
296099100,0cyclictest0-21swapper/021:22:100
192752100,0sleep2311rcuc/221:47:172
29779998,0cyclictest0-21swapper/300:09:083
29739998,0cyclictest0-21swapper/222:27:562
29739998,0cyclictest0-21swapper/222:08:062
29739998,0cyclictest0-21swapper/221:24:262
29739998,0cyclictest0-21swapper/200:34:272
29739998,0cyclictest0-21swapper/200:34:262
29669998,0cyclictest0-21swapper/123:07:451
29669998,0cyclictest0-21swapper/122:57:351
29669998,0cyclictest0-21swapper/121:25:351
29669998,0cyclictest0-21swapper/119:45:051
29669998,0cyclictest0-21swapper/119:26:541
29669997,1cyclictest32745-21bash22:27:141
29609990,5cyclictest1644-21perf20:24:590
6173280,0sleep06379-21bash22:22:120
29779987,0cyclictest0-21swapper/320:13:183
29779986,1cyclictest3011-21lspci22:46:523
29779985,2cyclictest674-21dbus-daemon21:59:543
29779985,2cyclictest660-21avahi-daemon23:53:293
29779985,2cyclictest660-21avahi-daemon23:49:213
29779985,2cyclictest660-21avahi-daemon22:01:003
29779985,2cyclictest660-21avahi-daemon21:22:523
29779985,2cyclictest0-21swapper/322:15:583
29779984,1cyclictest674-21dbus-daemon21:38:233
29779983,2cyclictest674-21dbus-daemon22:25:133
29739987,0cyclictest0-21swapper/223:46:462
29739987,0cyclictest0-21swapper/200:08:162
29739986,1cyclictest6068-21lspci22:16:382
29739986,1cyclictest1183-21lspci00:37:402
29739985,2cyclictest660-21avahi-daemon23:13:152
29739985,2cyclictest660-21avahi-daemon21:25:552
29739985,2cyclictest660-21avahi-daemon00:21:342
29669986,1cyclictest660-21avahi-daemon00:36:521
29669986,1cyclictest24125-21lspci23:13:411
29669985,2cyclictest660-21avahi-daemon23:36:161
29669985,2cyclictest660-21avahi-daemon22:37:291
29669985,2cyclictest660-21avahi-daemon21:58:391
29669985,2cyclictest660-21avahi-daemon21:50:471
29669985,2cyclictest660-21avahi-daemon21:44:111
29669985,2cyclictest660-21avahi-daemon00:23:271
29669984,3cyclictest674-21dbus-daemon23:59:141
29669984,3cyclictest660-21avahi-daemon00:16:161
29669984,1cyclictest660-21avahi-daemon23:31:131
29609985,2cyclictest660-21avahi-daemon23:35:250
29609985,2cyclictest660-21avahi-daemon22:30:420
29609985,2cyclictest15815-21lspci21:29:040
29779976,0cyclictest0-21swapper/321:08:083
29779974,2cyclictest674-21dbus-daemon22:10:253
29779974,2cyclictest660-21avahi-daemon23:05:493
29739976,0cyclictest0-21swapper/220:37:172
29739975,1cyclictest660-21avahi-daemon22:40:082
29739975,1cyclictest649-21polkitd23:20:162
29739974,2cyclictest660-21avahi-daemon23:52:462
29739974,2cyclictest660-21avahi-daemon22:21:132
29739974,2cyclictest660-21avahi-daemon22:10:322
29669976,0cyclictest0-21swapper/121:00:151
29669976,0cyclictest0-21swapper/120:47:141
29669975,1cyclictest660-21avahi-daemon21:35:361
29669972,2cyclictest699-21gdbus21:10:001
29669972,2cyclictest674-21dbus-daemon21:45:321
29609975,1cyclictest649-21polkitd23:25:130
29609974,2cyclictest660-21avahi-daemon21:14:590
29779965,0cyclictest0-21swapper/320:20:293
29779963,2cyclictest1002-21snmpd21:00:183
29779963,2cyclictest1002-21snmpd20:40:583
29779963,2cyclictest1002-21snmpd19:54:513
29779963,2cyclictest1002-21snmpd19:24:293
29779960,0cyclictest0-21swapper/320:32:183
29739965,0cyclictest0-21swapper/220:25:462
29739964,1cyclictest660-21avahi-daemon21:09:322
29739963,2cyclictest31975-21basename20:19:592
29739963,2cyclictest1002-21snmpd19:37:152
29669964,1cyclictest5707-21kworker/1:220:40:131
29669962,1cyclictest0-21swapper/120:32:161
29669960,5cyclictest0-21swapper/120:36:451
29669960,5cyclictest0-21swapper/120:13:551
29609963,2cyclictest1002-21snmpd21:08:050
29609963,2cyclictest1002-21snmpd20:01:070
29609963,2cyclictest1002-21snmpd19:49:070
29609960,5cyclictest0-21swapper/019:56:000
29779953,1cyclictest3643-21cat19:10:143
29779953,1cyclictest30461-21grep20:15:133
29779953,1cyclictest12335-21cat19:30:143
29779953,1cyclictest1082-21lldpd19:15:573
29779953,1cyclictest10729-21tr20:45:163
29779953,1cyclictest1002-21snmpd20:59:593
29779953,1cyclictest1002-21snmpd20:51:353
29779953,1cyclictest1002-21snmpd20:37:323
29779953,1cyclictest1002-21snmpd20:29:583
29779953,1cyclictest1002-21snmpd20:06:183
29779953,1cyclictest1002-21snmpd19:45:573
29779953,1cyclictest1002-21snmpd19:40:123
29779953,1cyclictest1002-21snmpd19:26:323
29779952,2cyclictest674-21dbus-daemon20:00:003
29779952,2cyclictest22709-21rm19:55:173
29779952,2cyclictest1002-21snmpd19:37:423
29739954,0cyclictest0-21swapper/219:45:272
29739954,0cyclictest0-21swapper/219:15:162
29739953,1cyclictest8227-21cat19:20:132
29739953,1cyclictest642-21systemd-logind20:40:002
29739953,1cyclictest11844-21/usr/sbin/munin19:30:132
29739953,1cyclictest10297-21cat19:25:142
29739953,1cyclictest1002-21snmpd21:00:152
29739953,1cyclictest1002-21snmpd20:56:022
29739953,1cyclictest1002-21snmpd20:53:232
29739953,1cyclictest1002-21snmpd20:49:232
29739953,1cyclictest1002-21snmpd20:21:192
29739953,1cyclictest1002-21snmpd20:00:272
29739953,1cyclictest1002-21snmpd19:54:122
29739953,1cyclictest1002-21snmpd19:41:242
29739952,2cyclictest674-21dbus-daemon19:59:562
29739952,2cyclictest1002-21snmpd20:30:072
29669953,1cyclictest3225-21unixbench_multi20:25:201
29669953,1cyclictest24498-21cat20:00:121
29669953,1cyclictest20472-21cat19:50:141
29669953,1cyclictest1002-21snmpd20:55:411
29669953,1cyclictest1002-21snmpd20:52:331
29669953,1cyclictest1002-21snmpd20:08:571
29669953,1cyclictest1002-21snmpd19:55:211
29669953,1cyclictest1002-21snmpd19:40:421
29669953,1cyclictest1002-21snmpd19:24:451
29669953,1cyclictest1002-21snmpd19:15:051
29669953,1cyclictest1002-21snmpd19:11:111
29669952,1cyclictest0-21swapper/119:39:411
29609954,0cyclictest0-21swapper/020:19:100
29609953,1cyclictest6449-21cat20:35:150
29609953,1cyclictest3925-21/usr/sbin/munin20:30:130
29609953,1cyclictest26463-21cut20:05:130
29609953,1cyclictest16623-21cat21:00:140
29609953,1cyclictest12111-21cpu20:50:120
29609953,1cyclictest11600-21idleruntime-cro19:30:000
29609953,1cyclictest11033-21processes20:45:170
29609953,1cyclictest1002-21snmpd19:51:270
29609953,1cyclictest1002-21snmpd19:40:150
29609953,1cyclictest1002-21snmpd19:35:480
29609953,1cyclictest1002-21snmpd19:20:180
29609953,1cyclictest1002-21snmpd19:14:390
29609952,2cyclictest9017-21sendmail_mailqu20:40:170
29609952,2cyclictest3341-21taskset20:25:550
29609952,2cyclictest1002-21snmpd20:55:380
29609952,2cyclictest1002-21snmpd20:10:200
28665250,0sleep20-21swapper/220:10:142
29739942,1cyclictest1002-21snmpd20:05:092
29739942,1cyclictest1002-21snmpd19:10:022
29669942,1cyclictest30267-21cut20:15:121
29609942,1cyclictest12401-21wc19:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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