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2026-05-05 - 08:03
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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 376 highest latencies:
System rack2slot0.osadl.org (updated Tue May 05, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12752780,1sleep21277-21bash21:51:512
23802620,0sleep10-21swapper/123:32:271
224772570,0sleep00-21swapper/022:15:560
104222570,0sleep00-21swapper/023:30:180
53572560,2sleep12883299cyclictest23:46:411
65722550,0sleep20-21swapper/223:18:512
296212550,0sleep10-21swapper/121:48:451
135652540,1sleep013561-21bash23:44:400
60732530,0sleep00-21swapper/023:27:090
315982530,0sleep10-21swapper/121:57:151
315982530,0sleep10-21swapper/121:57:141
21782530,0sleep31026-21sshd23:12:503
288382520,0sleep20-21swapper/200:02:432
43952510,1sleep00-21swapper/000:09:030
20982510,0sleep30-21swapper/321:38:023
297732500,0sleep10-21swapper/121:31:311
144562500,0sleep30-21swapper/321:53:003
77672490,0sleep00-21swapper/023:24:330
73452490,1sleep17343-21lspci22:53:461
172062490,1sleep017205-21bash22:07:070
88302480,0sleep3391rcuc/322:17:353
11192480,0sleep20-21swapper/223:32:202
156672460,0sleep30-21swapper/323:33:383
177762450,0sleep317756-21sshd23:36:333
87622430,2sleep32884499cyclictest21:13:113
315892380,2sleep22883699cyclictest22:30:392
325202370,0sleep00-21swapper/021:49:010
2846523626,6sleep10-21swapper/119:06:531
285102286,7sleep00-21swapper/019:07:240
2840122715,7sleep30-21swapper/319:06:063
269222276,7sleep20-21swapper/219:05:052
70732180,0sleep10-21swapper/123:13:161
173682180,0sleep00-21swapper/022:26:420
312202160,0sleep131215-21sshd00:36:361
237472160,0sleep00-21swapper/021:56:340
237472160,0sleep00-21swapper/021:56:330
217152160,1sleep321711-21lspci22:43:513
2884499156,3cyclictest41-21ksoftirqd/321:58:213
2884499156,3cyclictest41-21ksoftirqd/321:58:213
155392150,0sleep30-21swapper/321:29:533
320672140,0sleep0101ktimersoftd/022:36:180
2884499145,2cyclictest41-21ksoftirqd/323:20:553
2884499145,1cyclictest41-21ksoftirqd/323:41:583
2884499144,3cyclictest41-21ksoftirqd/300:04:193
2884499141,1cyclictest4354-21lspci23:15:473
276172140,0sleep127615-21lspci00:33:321
187652140,0sleep20-21swapper/200:35:292
181692140,0sleep1642-21systemd-logind23:50:331
119262140,0sleep00-21swapper/000:04:070
114292140,0sleep00-21swapper/022:01:020
304502130,0sleep20-21swapper/222:08:162
2884499136,3cyclictest41-21ksoftirqd/323:59:003
2884499135,1cyclictest41-21ksoftirqd/322:35:103
2884499134,2cyclictest41-21ksoftirqd/300:05:283
2884499134,1cyclictest41-21ksoftirqd/300:13:253
2884499133,3cyclictest41-21ksoftirqd/322:26:323
2884499132,2cyclictest41-21ksoftirqd/321:49:073
2884499132,1cyclictest41-21ksoftirqd/322:30:143
2884499130,2cyclictest710-21NetworkManager00:21:373
2884499130,2cyclictest41-21ksoftirqd/300:18:553
28836991311,1cyclictest7570-21sshd21:57:592
28836991311,1cyclictest7570-21sshd21:57:582
2883699130,1cyclictest674-21dbus-daemon00:34:192
2883699130,12cyclictest1-21systemd22:02:092
2883299130,1cyclictest27846-21sshd00:02:381
2882599130,12cyclictest29979-21gdbus21:31:300
257712130,0sleep20-21swapper/221:31:002
2884499125,3cyclictest41-21ksoftirqd/322:03:263
2884499125,1cyclictest41-21ksoftirqd/323:50:113
2884499124,3cyclictest41-21ksoftirqd/322:13:003
2884499124,1cyclictest41-21ksoftirqd/300:26:143
2884499123,3cyclictest41-21ksoftirqd/321:44:483
2884499123,1cyclictest41-21ksoftirqd/321:23:293
2884499122,1cyclictest25384-21lspci22:55:163
28844991210,1cyclictest41-21ksoftirqd/323:47:433
2884499120,2cyclictest41-21ksoftirqd/322:08:223
2884499120,1cyclictest10238-21sshd22:45:343
2884499120,1cyclictest0-21swapper/300:35:473
2883699120,1cyclictest8900-21lspci22:39:592
2883699120,1cyclictest19204-21lspci00:27:082
2883699120,1cyclictest0-21swapper/223:22:082
2883699120,1cyclictest0-21swapper/223:06:292
2883699120,11cyclictest0-21swapper/219:20:172
28832991210,1cyclictest0-21swapper/121:35:081
2883299120,1cyclictest32053-21sshd22:27:591
2883299120,11cyclictest10738-21smartctl21:00:191
2882599120,1cyclictest699-21gdbus23:10:400
2882599120,11cyclictest0-21swapper/023:45:100
2882599120,11cyclictest0-21swapper/022:10:090
2882599120,11cyclictest0-21swapper/000:18:390
2884499119,1cyclictest41-21ksoftirqd/323:25:183
2884499115,1cyclictest41-21ksoftirqd/322:21:143
2884499114,1cyclictest41-21ksoftirqd/321:31:293
2884499113,4cyclictest41-21ksoftirqd/321:16:163
2884499111,1cyclictest41-21ksoftirqd/323:00:543
2884499111,1cyclictest41-21ksoftirqd/300:31:183
2884499110,3cyclictest41-21ksoftirqd/323:06:293
2883699119,1cyclictest13726-21grepconf.sh21:13:492
2883699119,1cyclictest0-21swapper/200:19:292
2883699110,10cyclictest0-21swapper/222:43:192
2883699110,0cyclictest0-21swapper/222:56:592
2883299119,1cyclictest24008-21lspci21:50:591
28832991110,0cyclictest0-21swapper/123:01:381
28832991110,0cyclictest0-21swapper/100:22:491
2883299110,1cyclictest19115-21lspci00:07:291
2883299110,10cyclictest0-21swapper/123:16:291
2883299110,0cyclictest0-21swapper/100:12:191
2882599119,1cyclictest31996-21grepconf.sh22:55:500
28825991110,0cyclictest0-21swapper/022:33:000
2882599110,1cyclictest0-21swapper/021:10:490
2882599110,10cyclictest0-21swapper/023:03:390
2882599110,10cyclictest0-21swapper/021:24:100
2882599110,0cyclictest0-21swapper/000:38:400
2884499109,0cyclictest0-21swapper/320:58:233
2884499109,0cyclictest0-21swapper/319:55:133
2884499103,1cyclictest41-21ksoftirqd/322:50:393
2883699109,0cyclictest0-21swapper/221:45:582
2883699108,1cyclictest12823-21sshd22:45:482
2883699108,1cyclictest0-21swapper/223:45:092
2883699100,0cyclictest0-21swapper/221:36:392
2883299109,0cyclictest0-21swapper/123:37:281
2883299109,0cyclictest0-21swapper/122:24:381
2883299100,0cyclictest0-21swapper/123:09:291
2883299100,0cyclictest0-21swapper/100:19:581
2882599109,0cyclictest0-21swapper/023:53:190
2882599109,0cyclictest0-21swapper/023:18:300
2882599109,0cyclictest0-21swapper/022:44:400
2882599109,0cyclictest0-21swapper/021:35:090
2882599108,1cyclictest0-21swapper/021:15:100
2882599100,0cyclictest0-21swapper/022:55:000
2882599100,0cyclictest0-21swapper/021:52:390
123282100,0sleep10-21swapper/122:01:071
288449991,1cyclictest41-21ksoftirqd/320:45:003
288369998,0cyclictest0-21swapper/223:53:192
288369997,1cyclictest1-21systemd00:14:392
288369996,2cyclictest674-21dbus-daemon21:22:562
288329998,0cyclictest0-21swapper/123:41:591
288329998,0cyclictest0-21swapper/122:15:091
288329990,8cyclictest15122-21sshd21:41:541
288259998,0cyclictest0-21swapper/022:45:290
288259998,0cyclictest0-21swapper/022:22:590
288259997,1cyclictest18619-21lspci00:21:300
288369987,0cyclictest0-21swapper/223:41:292
288369986,1cyclictest698-21gdbus22:10:292
288369986,1cyclictest660-21avahi-daemon23:36:082
288369986,1cyclictest660-21avahi-daemon23:12:282
288369986,1cyclictest660-21avahi-daemon00:07:592
288369985,2cyclictest660-21avahi-daemon23:04:322
288369985,2cyclictest660-21avahi-daemon22:53:462
288369985,2cyclictest660-21avahi-daemon22:20:232
288369985,2cyclictest660-21avahi-daemon22:16:262
288329986,1cyclictest27485-21lspci21:11:271
288329986,1cyclictest25-21ksoftirqd/122:58:441
288329986,1cyclictest1960-21sshd22:44:581
288329984,3cyclictest674-21dbus-daemon23:20:531
288329983,3cyclictest9043-21sshd22:31:341
288329982,1cyclictest121rcu_preempt00:27:431
288259987,0cyclictest0-21swapper/021:09:400
288259987,0cyclictest0-21swapper/020:00:180
288259986,1cyclictest12322-21kworker/u8:121:44:300
288259985,2cyclictest660-21avahi-daemon00:33:470
288259985,2cyclictest660-21avahi-daemon00:25:150
288259985,2cyclictest30298-21sshd23:09:440
288259980,4cyclictest29595-21perf20:30:010
288259980,4cyclictest29595-21perf20:30:000
21046280,0sleep10-21swapper/122:35:201
288449976,0cyclictest0-21swapper/319:53:243
288449971,3cyclictest41-21ksoftirqd/320:30:013
288449971,3cyclictest41-21ksoftirqd/320:30:013
288369975,1cyclictest699-21gdbus00:22:092
288369975,1cyclictest30529-21sshd21:15:452
288369975,1cyclictest16067-21sshd21:25:512
288369975,1cyclictest13179-21lspci23:25:012
288369974,2cyclictest660-21avahi-daemon23:56:182
288369974,2cyclictest660-21avahi-daemon22:25:042
288369974,2cyclictest660-21avahi-daemon21:40:212
288329976,0cyclictest0-21swapper/123:25:081
288329975,1cyclictest660-21avahi-daemon21:20:331
288329975,1cyclictest642-21systemd-logind21:27:491
288329975,1cyclictest5762-21lspci21:16:431
288329974,2cyclictest660-21avahi-daemon22:12:271
288329974,2cyclictest660-21avahi-daemon22:05:311
288329974,2cyclictest649-21polkitd23:55:191
288329974,1cyclictest11173-21sshd22:45:381
288259975,1cyclictest8868-21timerwakeupswit20:55:200
288259975,1cyclictest8699-21sshd21:29:010
288259975,1cyclictest660-21avahi-daemon23:55:420
288259974,2cyclictest660-21avahi-daemon00:10:400
288259971,1cyclictest7650-21lspci23:35:390
288449965,0cyclictest41-21ksoftirqd/320:55:003
288449964,1cyclictest5388-21perf20:50:013
288449963,2cyclictest1002-21snmpd19:34:113
288449961,3cyclictest41-21ksoftirqd/319:25:193
288449961,2cyclictest41-21ksoftirqd/319:24:593
288449961,2cyclictest0-21swapper/320:34:553
288449961,1cyclictest23450-21crond20:15:003
288449960,5cyclictest0-21swapper/320:16:043
288449960,1cyclictest41-21ksoftirqd/321:09:393
288369965,0cyclictest0-21swapper/219:45:382
288369965,0cyclictest0-21swapper/219:10:182
288369964,1cyclictest699-21gdbus21:05:002
288369964,1cyclictest18065-21cat20:00:142
288369964,1cyclictest14075-21sshd21:09:492
288369963,2cyclictest1002-21snmpd20:52:532
288369963,2cyclictest1002-21snmpd20:40:262
288329963,2cyclictest1002-21snmpd20:34:371
288329963,2cyclictest1002-21snmpd19:33:421
288259963,2cyclictest1002-21snmpd20:45:460
288259963,2cyclictest1002-21snmpd20:43:200
288259960,5cyclictest3473-21tr19:25:120
288259960,5cyclictest0-21swapper/019:32:290
288449953,1cyclictest674-21dbus-daemon19:15:003
288449953,1cyclictest20109-21cat20:05:143
288449953,1cyclictest18029-21cat20:00:153
288449953,1cyclictest1002-21snmpd19:45:053
288449953,1cyclictest1002-21snmpd19:41:423
288449953,1cyclictest1002-21snmpd19:10:443
288449952,2cyclictest10029-21sed21:00:133
288449952,1cyclictest0-21swapper/320:20:153
288449950,3cyclictest41-21ksoftirqd/320:35:123
288449950,3cyclictest41-21ksoftirqd/319:35:203
288369953,1cyclictest8094-21cat20:55:132
288369953,1cyclictest26221-21cat20:20:152
288369953,1cyclictest22022-21grep20:10:122
288369953,1cyclictest14917-21sshd19:50:222
288369953,1cyclictest1002-21snmpd20:45:352
288369953,1cyclictest1002-21snmpd20:36:282
288369953,1cyclictest1002-21snmpd20:30:122
288369953,1cyclictest1002-21snmpd20:16:102
288369953,1cyclictest1002-21snmpd20:05:582
288369953,1cyclictest1002-21snmpd19:55:402
288369953,1cyclictest1002-21snmpd19:41:062
288369953,1cyclictest1002-21snmpd19:35:182
288369953,1cyclictest1002-21snmpd19:30:212
288369953,1cyclictest1002-21snmpd19:27:152
288369953,1cyclictest1002-21snmpd19:16:052
288369952,2cyclictest1002-21snmpd20:28:102
288369952,2cyclictest1002-21snmpd20:28:092
288329954,0cyclictest0-21swapper/120:00:381
288329954,0cyclictest0-21swapper/119:45:381
288329953,1cyclictest649-21polkitd19:24:541
288329953,1cyclictest21655-21/usr/sbin/munin20:10:181
288329953,1cyclictest1088-21ntpd19:10:171
288329953,1cyclictest1002-21snmpd20:55:011
288329953,1cyclictest1002-21snmpd20:49:161
288329953,1cyclictest1002-21snmpd20:42:261
288329953,1cyclictest1002-21snmpd20:39:041
288329953,1cyclictest1002-21snmpd20:22:251
288329953,1cyclictest1002-21snmpd20:16:491
288329953,1cyclictest1002-21snmpd20:06:011
288329953,1cyclictest1002-21snmpd19:58:161
288329953,1cyclictest1002-21snmpd19:52:341
288329953,1cyclictest1002-21snmpd19:38:501
288329952,2cyclictest1002-21snmpd20:25:011
288329952,2cyclictest1002-21snmpd20:25:001
288329952,2cyclictest1002-21snmpd19:26:301
288329952,2cyclictest1002-21snmpd19:17:271
288329950,4cyclictest9434-21/usr/sbin/munin19:40:141
288329950,4cyclictest13464-21taskset21:09:261
288259954,0cyclictest0-21swapper/020:33:500
288259953,1cyclictest699-21gdbus19:45:010
288259953,1cyclictest23689-21/usr/sbin/munin20:15:150
288259953,1cyclictest22594-21awk20:10:170
288259953,1cyclictest14372-21ntp_states19:50:170
288259953,1cyclictest1002-21snmpd20:52:440
288259953,1cyclictest1002-21snmpd19:16:410
288259953,1cyclictest1002-21snmpd19:10:040
288259952,2cyclictest9551-21tr19:40:110
288259952,2cyclictest32489-21cat20:35:130
288259952,2cyclictest2679-21unixbench_singl19:20:200
288259952,2cyclictest10304-21wc21:00:150
288259951,3cyclictest16856-21grep19:55:200
288329940,1cyclictest5607-21/usr/sbin/munin20:50:131
288259942,1cyclictest20297-21cat20:05:160
288259942,1cyclictest1002-21snmpd20:20:040
288259941,2cyclictest8109-21nfsd19:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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