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2026-04-01 - 07:26
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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 Wed Apr 01, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5392940,2sleep12744099cyclictest22:51:141
302442800,0sleep130247-21grep23:23:541
257942750,0sleep00-21swapper/023:45:240
251452570,1sleep1674-21dbus-daemon23:50:481
250202570,0sleep20-21swapper/223:23:272
192312570,0sleep10-21swapper/122:30:591
54992560,0sleep30-21swapper/321:28:413
60092550,0sleep30-21swapper/323:35:283
246122550,0sleep10-21swapper/100:37:281
246122550,0sleep10-21swapper/100:37:271
150862550,1sleep0111rcuc/021:14:120
115422550,0sleep00-21swapper/000:33:370
47132530,0sleep20-21swapper/222:51:352
292442530,0sleep00-21swapper/023:21:010
194312530,0sleep20-21swapper/200:09:412
76602520,0sleep10-21swapper/121:57:231
204872510,0sleep020488-21tty21:18:440
263792500,0sleep00-21swapper/023:18:040
241982500,0sleep10-21swapper/121:26:581
16842500,1sleep11686-21bash22:10:241
264522490,0sleep10-21swapper/122:18:001
177392490,0sleep117733-21sshd21:22:181
177392490,0sleep117733-21sshd21:22:181
249892480,0sleep20-21swapper/200:26:312
132012480,1sleep0111rcuc/022:38:430
183322460,0sleep00-21swapper/000:36:550
183322460,0sleep00-21swapper/000:36:550
207172450,0sleep3391rcuc/300:01:243
203222410,2sleep12744099cyclictest23:17:331
2700924035,3sleep30-21swapper/319:05:593
163772380,0sleep30-21swapper/323:28:133
175412350,0sleep00-21swapper/022:30:490
272572298,6sleep20-21swapper/219:09:062
2696822812,11sleep10-21swapper/119:05:291
127302250,0sleep00-21swapper/021:52:200
43282210,0sleep30-21swapper/323:05:143
2706222110,7sleep00-21swapper/019:06:360
248712210,0sleep30-21swapper/322:47:513
248712210,0sleep30-21swapper/322:47:503
68502200,6sleep341-21ksoftirqd/300:16:463
168612200,0sleep20-21swapper/223:47:262
152672200,0sleep015264-21sshd21:38:590
291542170,0sleep10-21swapper/121:34:441
27832170,0sleep10-21swapper/122:45:571
27832170,0sleep10-21swapper/122:45:561
253702170,0sleep30-21swapper/322:20:363
147322170,0sleep114731-21sshd00:31:061
134202170,2sleep12744099cyclictest00:28:181
131772160,0sleep30-21swapper/323:52:353
3022150,0sleep30-21swapper/321:40:223
27440991513,1cyclictest9864-21kworker/1:021:40:521
27440991513,1cyclictest1857-21kworker/1:200:07:511
221812150,0sleep20-21swapper/221:47:422
82742140,0sleep28276-21bash21:25:072
81022140,0sleep00-21swapper/022:00:100
66532140,0sleep00-21swapper/022:51:450
27444991412,1cyclictest22560-21sshd00:18:072
2743399140,2cyclictest21527-21sshd22:09:280
130932140,0sleep1231rcuc/123:05:561
320762130,0sleep2311rcuc/222:02:072
27444991311,1cyclictest0-21swapper/200:12:082
27433991312,0cyclictest5556-21lspci23:13:350
27433991312,0cyclictest22744-21lspci21:45:040
2743399130,12cyclictest649-21polkitd00:07:270
2743399130,12cyclictest31393-21sshd22:21:080
126872130,0sleep30-21swapper/322:52:163
113682130,0sleep30-21swapper/300:33:373
60102120,0sleep10-21swapper/122:24:301
27450991210,1cyclictest674-21dbus-daemon22:02:093
27450991210,1cyclictest1738-21bash21:37:493
2745099120,1cyclictest674-21dbus-daemon22:15:303
2745099120,1cyclictest0-21swapper/300:21:103
27444991210,1cyclictest674-21dbus-daemon23:29:372
27444991210,1cyclictest5050-21sshd22:21:382
2744499120,1cyclictest29979-21gdbus21:10:182
2744499120,11cyclictest7816-21sshd22:57:182
2744499120,11cyclictest24236-21lspci21:34:182
2744499120,11cyclictest0-21swapper/200:35:182
2744499120,11cyclictest0-21swapper/200:35:172
2744099127,1cyclictest25-21ksoftirqd/121:45:121
2744099125,1cyclictest25-21ksoftirqd/123:40:411
2744099125,1cyclictest25-21ksoftirqd/123:10:571
27440991210,1cyclictest29340-21lspci23:26:311
27440991210,1cyclictest0-21swapper/122:57:131
27433991211,0cyclictest13065-21lspci23:00:250
27433991211,0cyclictest10046-21lspci22:19:230
2743399120,1cyclictest20516-21sshd00:26:080
2743399120,11cyclictest0-21swapper/023:27:570
2743399120,11cyclictest0-21swapper/021:27:370
97292110,0sleep10-21swapper/122:05:401
63662110,0sleep21026-21sshd22:10:492
313232110,0sleep3391rcuc/323:21:123
2745099119,1cyclictest31172-21sshd23:12:593
2745099119,1cyclictest23826-21lspci21:50:303
27450991110,0cyclictest0-21swapper/322:40:103
27450991110,0cyclictest0-21swapper/321:22:203
27450991110,0cyclictest0-21swapper/321:22:193
2745099110,10cyclictest0-21swapper/321:17:503
2744499110,10cyclictest0-21swapper/222:44:182
2744499110,10cyclictest0-21swapper/222:27:472
2744099119,1cyclictest6083-21kworker/1:400:16:321
2744099119,1cyclictest27777-21vmstat20:25:211
2744099114,1cyclictest25-21ksoftirqd/123:56:011
27440991110,1cyclictest3741-21kworker/1:423:00:251
27440991110,0cyclictest8002-21kworker/1:222:25:461
27440991110,0cyclictest31333-21kworker/1:223:37:101
27440991110,0cyclictest0-21swapper/121:10:121
27440991110,0cyclictest0-21swapper/119:30:121
2744099110,10cyclictest7195-21lspci21:51:521
2743399119,1cyclictest29783-21bash00:10:280
27433991110,0cyclictest0-21swapper/023:34:480
2743399110,10cyclictest0-21swapper/021:24:080
2743399110,10cyclictest0-21swapper/021:24:080
11942110,0sleep20-21swapper/221:59:362
2745099109,0cyclictest0-21swapper/323:32:003
2745099109,0cyclictest0-21swapper/300:07:203
2745099100,0cyclictest0-21swapper/322:56:593
2745099100,0cyclictest0-21swapper/321:59:003
2744499109,0cyclictest0-21swapper/223:15:582
2744499109,0cyclictest0-21swapper/223:06:282
2744499109,0cyclictest0-21swapper/222:08:482
2744499108,1cyclictest4923-21lspci00:24:542
2744499100,0cyclictest0-21swapper/223:13:172
2744499100,0cyclictest0-21swapper/222:32:482
2744099109,0cyclictest25178-21kworker/1:322:39:481
2744099109,0cyclictest0-21swapper/120:35:221
2744099109,0cyclictest0-21swapper/100:10:531
2744099108,1cyclictest25-21ksoftirqd/123:45:531
2744099103,1cyclictest25-21ksoftirqd/121:38:341
2744099100,0cyclictest0-21swapper/100:20:131
2743399109,0cyclictest9-21ksoftirqd/022:00:000
2743399109,0cyclictest30939-21lspci21:43:000
2743399109,0cyclictest0-21swapper/022:56:480
2743399109,0cyclictest0-21swapper/000:21:180
2743399108,1cyclictest0-21swapper/022:28:280
274509998,0cyclictest0-21swapper/323:03:303
274509998,0cyclictest0-21swapper/322:36:193
274509998,0cyclictest0-21swapper/322:26:193
274449998,0cyclictest0-21swapper/221:35:272
274409999,0cyclictest25178-21kworker/1:322:41:211
274409998,0cyclictest0-21swapper/123:33:431
274409998,0cyclictest0-21swapper/119:21:211
274409992,1cyclictest25-21ksoftirqd/122:00:161
274339998,0cyclictest0-21swapper/022:47:380
274339998,0cyclictest0-21swapper/022:47:380
274339994,1cyclictest649-21polkitd23:35:370
274339992,2cyclictest674-21dbus-daemon22:41:150
274339991,1cyclictest622-13audispd22:12:160
274339991,1cyclictest121rcu_preempt00:18:370
274339990,1cyclictest131rcu_sched23:53:510
274339990,1cyclictest131rcu_sched23:41:320
274509987,0cyclictest0-21swapper/323:15:403
274509987,0cyclictest0-21swapper/300:10:203
274509986,1cyclictest660-21avahi-daemon21:12:103
274509986,1cyclictest28727-21lspci00:26:503
274509986,1cyclictest25709-21lspci22:09:493
274509985,2cyclictest674-21dbus-daemon23:57:133
274509985,2cyclictest660-21avahi-daemon21:46:313
274509985,2cyclictest660-21avahi-daemon00:35:243
274509985,2cyclictest660-21avahi-daemon00:35:233
274509984,3cyclictest16295-21sshd22:30:443
274509984,2cyclictest29153-21sshd23:40:153
274449986,1cyclictest7638-21lspci22:46:222
274449986,1cyclictest7638-21lspci22:46:212
274449986,1cyclictest660-21avahi-daemon22:15:222
274449986,1cyclictest660-21avahi-daemon19:20:002
274449986,1cyclictest33-21ksoftirqd/223:56:462
274449986,1cyclictest20628-21lspci21:18:452
274449986,1cyclictest1650-21lspci23:43:262
274449986,1cyclictest14974-21sshd21:41:382
274449985,2cyclictest674-21dbus-daemon23:53:442
274449985,2cyclictest660-21avahi-daemon23:01:412
274449985,2cyclictest660-21avahi-daemon22:37:022
274449985,1cyclictest6813-21lspci21:20:552
274449985,1cyclictest6813-21lspci21:20:552
274449985,1cyclictest13736-21sshd23:36:102
274449980,1cyclictest131rcu_sched00:00:032
274409987,0cyclictest0-21swapper/120:46:221
274409986,1cyclictest0-21swapper/100:00:031
274409984,3cyclictest12809-21sshd21:17:471
274339987,0cyclictest15971-21lspci00:01:000
274339986,1cyclictest9-21ksoftirqd/023:56:410
274339986,1cyclictest9-21ksoftirqd/023:05:230
274509976,1cyclictest3277-21lspci23:46:163
274509975,1cyclictest660-21avahi-daemon21:30:123
274509974,2cyclictest660-21avahi-daemon22:10:083
274449975,1cyclictest660-21avahi-daemon23:30:062
274449975,1cyclictest3532-21lspci00:30:122
274449975,1cyclictest2455-21lspci21:51:282
274409976,0cyclictest0-21swapper/119:39:211
274339970,1cyclictest131rcu_sched21:34:300
274509963,2cyclictest674-21dbus-daemon20:54:553
274509963,2cyclictest649-21polkitd20:39:593
274509963,2cyclictest1002-21snmpd20:56:403
274509963,2cyclictest1002-21snmpd19:48:103
274509963,2cyclictest1002-21snmpd19:21:303
274449963,2cyclictest1002-21snmpd20:23:392
274449963,2cyclictest1002-21snmpd19:49:582
274449960,5cyclictest0-21swapper/220:01:072
274409963,2cyclictest699-21gdbus21:00:011
274409963,2cyclictest674-21dbus-daemon21:10:011
274409963,2cyclictest1002-21snmpd20:15:211
274409963,2cyclictest1002-21snmpd19:26:411
274409963,2cyclictest1002-21snmpd19:19:311
274409963,2cyclictest1002-21snmpd19:19:311
274409962,1cyclictest25-21ksoftirqd/120:51:201
274339965,0cyclictest9-21ksoftirqd/019:25:010
274339964,1cyclictest9-21ksoftirqd/020:44:590
274339964,1cyclictest9-21ksoftirqd/019:40:000
274339964,1cyclictest660-21avahi-daemon21:09:560
274339963,2cyclictest1002-21snmpd20:37:400
274339963,2cyclictest1002-21snmpd20:21:090
274339963,2cyclictest1002-21snmpd20:15:050
274339963,2cyclictest1002-21snmpd20:00:050
274339960,1cyclictest723-21gdbus20:00:000
28867250,0sleep10-21swapper/119:10:211
274509954,0cyclictest0-21swapper/320:02:303
274509953,1cyclictest649-21polkitd21:01:003
274509953,1cyclictest646-21lsmd20:10:453
274509953,1cyclictest41-21ksoftirqd/320:05:403
274509953,1cyclictest28545-21grep19:10:173
274509953,1cyclictest24824-21cat20:20:143
274509953,1cyclictest22750-21cat20:15:133
274509953,1cyclictest10773-21cat21:05:123
274509953,1cyclictest1002-21snmpd20:45:553
274509953,1cyclictest1002-21snmpd20:41:553
274509953,1cyclictest1002-21snmpd20:25:513
274509953,1cyclictest1002-21snmpd19:57:153
274509953,1cyclictest1002-21snmpd19:50:263
274509953,1cyclictest1002-21snmpd19:32:073
274509953,1cyclictest1002-21snmpd19:27:443
274509953,1cyclictest1002-21snmpd19:15:523
274509953,1cyclictest1002-21snmpd19:15:523
274509952,2cyclictest7327-21tail19:35:203
274509952,2cyclictest699-21gdbus19:45:003
274509952,2cyclictest1002-21snmpd20:30:093
274449954,0cyclictest0-21swapper/219:35:182
274449953,1cyclictest660-21avahi-daemon20:35:512
274449953,1cyclictest660-21avahi-daemon19:25:482
274449953,1cyclictest646-21lsmd19:42:302
274449953,1cyclictest12207-21sshd21:09:572
274449953,1cyclictest1002-21snmpd21:02:122
274449953,1cyclictest1002-21snmpd20:58:162
274449953,1cyclictest1002-21snmpd20:54:482
274449953,1cyclictest1002-21snmpd20:45:402
274449953,1cyclictest1002-21snmpd20:40:342
274449953,1cyclictest1002-21snmpd20:33:242
274449953,1cyclictest1002-21snmpd20:25:562
274449953,1cyclictest1002-21snmpd20:19:272
274449953,1cyclictest1002-21snmpd20:06:062
274449953,1cyclictest1002-21snmpd19:18:522
274449953,1cyclictest1002-21snmpd19:18:522
274449953,1cyclictest1002-21snmpd19:11:032
274449952,2cyclictest1002-21snmpd20:10:592
274449952,2cyclictest1002-21snmpd19:53:472
274409953,1cyclictest6694-21cat20:55:141
274409953,1cyclictest536-21cat20:40:131
274409953,1cyclictest25663-21grep20:20:201
274409953,1cyclictest1002-21snmpd20:32:121
274409953,1cyclictest1002-21snmpd20:11:121
274409953,1cyclictest1002-21snmpd20:08:361
274409953,1cyclictest1002-21snmpd20:01:201
274409953,1cyclictest1002-21snmpd19:55:291
274409953,1cyclictest1002-21snmpd19:52:321
274409953,1cyclictest1002-21snmpd19:43:501
274409950,0cyclictest0-21swapper/119:45:511
274339954,0cyclictest0-21swapper/020:26:270
274339954,0cyclictest0-21swapper/020:13:080
274339953,1cyclictest646-21lsmd19:14:290
274339953,1cyclictest28902-21cat20:30:140
274339953,1cyclictest2425-21cat19:25:150
274339953,1cyclictest12602-21cat19:50:140
274339953,1cyclictest1002-21snmpd20:57:520
274339953,1cyclictest1002-21snmpd20:50:480
274339953,1cyclictest1002-21snmpd20:05:060
274339953,1cyclictest1002-21snmpd19:47:260
274339953,1cyclictest1002-21snmpd19:33:200
274339952,2cyclictest29756-21expr19:15:010
274339952,2cyclictest29756-21expr19:15:000
274339952,2cyclictest1002-21snmpd19:40:320
14318250,0sleep21072-21nfsd19:55:142
274449942,1cyclictest1002-21snmpd19:30:022
274339942,1cyclictest21672chrt20:45:090
274339942,1cyclictest0-21swapper/021:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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