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2026-04-16 - 10:56
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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 rack1slot3.osadl.org (updated Thu Apr 16, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
417545799150,10cyclictest0-21swapper/321:40:113
417545799130,11cyclictest0-21swapper/320:35:113
4175457991211,0cyclictest0-21swapper/320:20:123
417545799120,11cyclictest0-21swapper/319:20:113
417545799120,11cyclictest0-21swapper/300:00:013
4175457991110,1cyclictest0-21swapper/322:25:103
417545799110,10cyclictest0-21swapper/321:30:183
417545799110,0cyclictest0-21swapper/323:15:123
417545799110,0cyclictest0-21swapper/300:00:103
4175457991010,0cyclictest0-21swapper/323:50:173
4175457991010,0cyclictest0-21swapper/323:05:133
4175457991010,0cyclictest0-21swapper/322:55:143
4175457991010,0cyclictest0-21swapper/321:50:113
4175457991010,0cyclictest0-21swapper/321:35:113
4175457991010,0cyclictest0-21swapper/319:25:183
4175457991010,0cyclictest0-21swapper/300:30:203
417545799100,9cyclictest0-21swapper/323:30:203
417545799100,9cyclictest0-21swapper/322:00:003
417545799100,10cyclictest0-21swapper/322:45:013
417545799100,0cyclictest0-21swapper/322:30:133
417545799100,0cyclictest0-21swapper/322:20:173
417545799100,0cyclictest0-21swapper/322:15:193
417545799100,0cyclictest0-21swapper/320:25:173
417545799100,0cyclictest0-21swapper/319:40:173
417545799100,0cyclictest0-21swapper/319:20:003
41754579999,0cyclictest0-21swapper/322:10:013
41754579999,0cyclictest0-21swapper/320:30:203
41754579999,0cyclictest0-21swapper/319:30:113
41754579999,0cyclictest0-21swapper/300:35:123
41754579999,0cyclictest0-21swapper/300:25:173
41754579999,0cyclictest0-21swapper/300:15:113
41754579999,0cyclictest0-21swapper/300:10:113
41754579998,0cyclictest0-21swapper/322:39:553
41754579998,0cyclictest0-21swapper/321:00:033
41754579990,9cyclictest0-21swapper/320:10:113
41754579990,8cyclictest0-21swapper/321:16:133
41754579990,0cyclictest0-21swapper/323:25:143
41754579988,0cyclictest0-21swapper/323:40:123
41754579988,0cyclictest0-21swapper/323:01:063
41754579988,0cyclictest0-21swapper/322:51:563
41754579988,0cyclictest0-21swapper/322:51:563
41754579988,0cyclictest0-21swapper/322:01:143
41754579988,0cyclictest0-21swapper/321:27:083
41754579988,0cyclictest0-21swapper/321:10:113
41754579988,0cyclictest0-21swapper/320:45:013
41754579988,0cyclictest0-21swapper/319:55:143
41754579980,7cyclictest0-21swapper/320:15:213
41754579977,0cyclictest0-21swapper/323:45:113
41754579977,0cyclictest0-21swapper/323:40:023
41754579977,0cyclictest0-21swapper/320:55:193
41754579977,0cyclictest0-21swapper/319:45:113
41754579966,0cyclictest0-21swapper/323:11:253
41754579966,0cyclictest0-21swapper/321:21:193
41754579966,0cyclictest0-21swapper/319:54:523
41754579966,0cyclictest0-21swapper/300:05:173
41754579965,0cyclictest0-21swapper/319:35:123
41754579965,0cyclictest0-21swapper/300:20:163
41754579960,5cyclictest0-21swapper/319:14:553
41754579960,0cyclictest0-21swapper/320:50:113
4173901261,3sleep30-21swapper/319:05:143
41754579955,0cyclictest0-21swapper/322:11:453
41754579954,0cyclictest0-21swapper/320:47:393
14039850,3rtkit-daemon4191150-21cat19:49:541
14039850,2rtkit-daemon35016-21apt-get21:25:121
14039850,2rtkit-daemon0-21swapper/119:06:421
14039850,0rtkit-daemon1402-21rtkit-daemon19:20:531
14039850,0rtkit-daemon0-21swapper/119:53:251
41754579944,0cyclictest0-21swapper/323:20:123
41754579944,0cyclictest0-21swapper/321:45:143
41754579943,0cyclictest0-21swapper/320:05:153
41754579940,3cyclictest0-21swapper/321:05:413
41754579940,2cyclictest0-21swapper/322:45:123
4173600242,1sleep20-21swapper/219:05:012
14039840,2rtkit-daemon78181-21vmstat23:05:201
14039840,2rtkit-daemon766-21snmpd20:27:181
14039840,2rtkit-daemon766-21snmpd20:15:081
14039840,2rtkit-daemon52957-21seq22:06:111
14039840,2rtkit-daemon440-21systemd-udevd00:07:581
14039840,2rtkit-daemon4177474-21munin-node23:44:171
14039840,2rtkit-daemon1-21systemd23:11:001
14039840,1rtkit-daemon3028-21apt-get20:05:011
14039840,1rtkit-daemon1-21systemd22:28:521
4185644230,1sleep14185670-21apt-get19:35:111
41754579930,2cyclictest1318-21chrt20:00:023
4173613231,1sleep00-21swapper/019:05:120
37433230,2sleep237522-21uname21:30:142
14039830,2rtkit-daemon772-21lldpd19:30:051
14039830,2rtkit-daemon766-21snmpd23:29:161
14039830,2rtkit-daemon7104-21latency_hist20:15:011
14039830,2rtkit-daemon440-21systemd-udevd21:17:581
14039830,2rtkit-daemon4177474-21munin-node00:00:181
14039830,2rtkit-daemon2117-21packagekitd00:15:121
14039830,2rtkit-daemon1410-21sendmail-mta19:40:281
14039830,1rtkit-daemon96987-21pool-udisksd23:50:421
14039830,1rtkit-daemon772-21lldpd22:20:531
14039830,1rtkit-daemon766-21snmpd22:56:341
14039830,1rtkit-daemon766-21snmpd21:03:181
14039830,1rtkit-daemon766-21snmpd20:48:141
14039830,1rtkit-daemon766-21snmpd20:24:561
14039830,1rtkit-daemon766-21snmpd00:32:191
14039830,1rtkit-daemon691-21gmain21:31:261
14039830,1rtkit-daemon622-21wpa_supplicant23:18:241
14039830,1rtkit-daemon622-21wpa_supplicant22:51:131
14039830,1rtkit-daemon622-21wpa_supplicant22:51:131
14039830,1rtkit-daemon622-21wpa_supplicant21:56:501
14039830,1rtkit-daemon622-21wpa_supplicant21:21:191
14039830,1rtkit-daemon622-21wpa_supplicant00:27:481
14039830,1rtkit-daemon606-21avahi-daemon21:48:251
14039830,1rtkit-daemon4177474-21munin-node23:03:221
14039830,1rtkit-daemon4177474-21munin-node00:11:041
14039830,1rtkit-daemon328-21plymouthd23:55:181
14039830,1rtkit-daemon328-21plymouthd22:46:251
14039830,1rtkit-daemon328-21plymouthd21:12:211
14039830,1rtkit-daemon1-21systemd23:36:221
14039830,1rtkit-daemon1-21systemd23:32:421
14039830,1rtkit-daemon1-21systemd22:40:221
14039830,1rtkit-daemon1-21systemd22:30:361
14039830,1rtkit-daemon1-21systemd21:51:171
14039830,1rtkit-daemon1-21systemd21:40:461
14039830,1rtkit-daemon1-21systemd21:38:091
14039830,1rtkit-daemon1-21systemd20:55:031
14039830,1rtkit-daemon1-21systemd19:25:291
14039830,1rtkit-daemon1-21systemd19:19:151
14039830,0rtkit-daemon328-21plymouthd00:22:441
92988220,0sleep00-21swapper/023:41:570
81562220,1sleep00-21swapper/023:15:160
7096220,0sleep00-21swapper/020:15:010
69324220,1sleep069496-21python322:45:180
61108220,1sleep00-21swapper/022:25:160
56767220,1sleep00-21swapper/022:15:200
5184220,0sleep00-21swapper/020:10:010
47120220,1sleep247154-21/usr/sbin/munin21:55:012
4179891222,0sleep00-21swapper/019:20:020
31841220,1sleep232003-21sed21:15:192
20978221,1sleep04150976-21kworker/0:1+events20:49:070
18876220,1sleep219106-21sed20:45:012
16540220,0sleep00-21swapper/020:38:140
14039820,1rtkit-daemon769-21ntpd00:35:021
14039820,1rtkit-daemon691-21gmain20:35:141
14039820,1rtkit-daemon4177474-21munin-node22:35:311
14039820,1rtkit-daemon4177474-21munin-node20:50:541
14039820,1rtkit-daemon4177474-21munin-node20:30:351
14039820,1rtkit-daemon328-21plymouthd23:45:011
14039820,1rtkit-daemon328-21plymouthd19:55:011
14039820,0rtkit-daemon328-21plymouthd22:15:161
14039820,0rtkit-daemon328-21plymouthd21:05:021
14039820,0rtkit-daemon328-21plymouthd19:10:281
14039820,0rtkit-daemon0-21swapper/123:20:231
14039820,0rtkit-daemon0-21swapper/122:10:201
14039820,0rtkit-daemon0-21swapper/122:00:041
14039820,0rtkit-daemon0-21swapper/120:40:171
14039820,0rtkit-daemon0-21swapper/120:00:181
108226220,1sleep00-21swapper/000:20:110
104550220,1sleep00-21swapper/000:10:160
100482220,1sleep0100642-21ntp_states00:00:150
98120210,0sleep00-21swapper/023:55:150
97497210,0sleep20-21swapper/223:55:012
96565210,0sleep00-21swapper/023:50:180
95112210,0sleep295116-21ssh23:47:202
91522210,0sleep20-21swapper/223:40:122
90805210,0sleep20-21swapper/223:36:152
89821210,0sleep00-21swapper/023:35:130
87753210,0sleep20-21swapper/223:30:152
87373210,0sleep00-21swapper/023:30:130
86855210,0sleep20-21swapper/223:28:142
85298210,0sleep00-21swapper/023:25:130
84626210,0sleep20-21swapper/223:21:552
78957210,0sleep00-21swapper/023:10:120
78708210,0sleep20-21swapper/223:10:022
77848210,0sleep00-21swapper/023:05:190
76907210,0sleep20-21swapper/223:05:132
74949210,0sleep00-21swapper/023:00:140
74794210,0sleep20-21swapper/223:00:132
73983210,0sleep20-21swapper/222:55:212
72956210,0sleep00-21swapper/022:55:150
71894210,0sleep00-21swapper/022:50:190
71894210,0sleep00-21swapper/022:50:190
69765210,0sleep20-21swapper/222:45:202
66482210,0sleep20-21swapper/222:40:122
66168210,0sleep00-21swapper/022:40:020
65382210,0sleep20-21swapper/222:35:202
64476210,0sleep00-21swapper/022:35:140
63657210,0sleep20-21swapper/222:31:112
63568210,0sleep00-21swapper/022:30:210
60178210,0sleep20-21swapper/222:25:112
58578210,0sleep00-21swapper/022:20:170
5854210,0sleep20-21swapper/220:10:142
55847210,0sleep20-21swapper/222:15:142
55161210,0sleep00-21swapper/022:12:160
51554210,0sleep00-21swapper/022:05:120
50796210,0sleep00-21swapper/022:00:260
49203210,0sleep20-21swapper/222:00:012
48714210,0sleep00-21swapper/021:55:390
48688210,0sleep20-21swapper/221:55:252
46849210,0sleep00-21swapper/021:52:350
44715210,0sleep20-21swapper/221:47:092
43658210,0sleep00-21swapper/021:45:130
42442210,0sleep20-21swapper/221:40:242
4193316210,0sleep00-21swapper/019:55:120
4193303210,0sleep20-21swapper/219:55:022
4192869210,1sleep00-21swapper/019:52:280
4192365210,0sleep24192568-21/usr/sbin/munin19:50:172
4189936210,0sleep00-21swapper/019:45:150
4188618210,0sleep00-21swapper/019:40:190
4186073210,0sleep00-21swapper/019:35:130
4184016210,0sleep00-21swapper/019:30:140
4183730210,0sleep20-21swapper/219:30:122
4182943210,0sleep20-21swapper/219:25:202
4181940210,0sleep00-21swapper/019:25:140
4180584210,0sleep20-21swapper/219:20:162
4178813210,0sleep00-21swapper/019:15:170
4178489210,0sleep20-21swapper/219:15:152
4177060210,1sleep00-21swapper/019:12:290
41573210,0sleep00-21swapper/021:40:140
39654210,0sleep20-21swapper/221:35:162
39408210,0sleep00-21swapper/021:35:140
37054210,0sleep00-21swapper/021:30:130
35441210,0sleep20-21swapper/221:25:152
35094210,0sleep00-21swapper/021:25:130
33010210,0sleep00-21swapper/021:20:130
32409210,0sleep00-21swapper/021:16:450
30304210,0sleep20-21swapper/221:10:382
29000210,0sleep00-21swapper/021:10:120
28441210,0sleep00-21swapper/021:06:240
27150210,0sleep20-21swapper/221:05:142
25591210,0sleep00-21swapper/021:00:160
24105210,0sleep00-21swapper/020:55:190
22339210,0sleep00-21swapper/020:50:190
22045210,0sleep20-21swapper/220:50:162
1962210,0sleep00-21swapper/020:00:150
18682210,1sleep00-21swapper/020:42:300
1763210,0sleep20-21swapper/220:00:142
15017210,0sleep20-21swapper/220:35:122
13880210,0sleep00-21swapper/020:30:180
11656210,0sleep20-21swapper/220:25:162
116472210,0sleep20-21swapper/200:39:152
115355210,0sleep00-21swapper/000:35:170
113278210,0sleep20-21swapper/200:30:182
113078210,0sleep00-21swapper/000:30:170
111673210,0sleep20-21swapper/200:25:552
110930210,0sleep00-21swapper/000:25:170
10970210,0sleep00-21swapper/020:25:020
10933210,0sleep20-21swapper/220:24:562
108380210,0sleep20-21swapper/200:20:142
106797210,0sleep00-21swapper/000:15:160
106539210,0sleep20-21swapper/200:15:142
103781210,0sleep20-21swapper/200:10:022
102470210,0sleep00-21swapper/000:05:150
102206210,0sleep20-21swapper/200:05:122
101237210,0sleep20-21swapper/200:00:572
97735200,0sleep20-21swapper/223:55:052
93567200,0sleep00-21swapper/023:45:020
9011200,0sleep00-21swapper/020:20:010
83133200,0sleep00-21swapper/023:20:040
80788200,0sleep20-21swapper/223:15:022
7330200,0sleep20-21swapper/220:15:032
70591200,0sleep20-21swapper/222:50:052
70591200,0sleep20-21swapper/222:50:042
57812200,0sleep20-21swapper/222:20:032
53389200,0sleep20-21swapper/222:10:012
51305200,0sleep20-21swapper/222:05:022
4189244200,0sleep20-21swapper/219:45:002
4187310200,0sleep20-21swapper/219:40:012
4185397200,0sleep20-21swapper/219:35:002
4175581200,0sleep20-21swapper/219:10:032
3508200,0sleep00-21swapper/020:05:040
3505200,0sleep20-21swapper/220:05:022
32991200,0sleep20-21swapper/221:20:032
24875200,0sleep20-21swapper/221:00:022
22963200,0sleep20-21swapper/220:55:012
19377200,0sleep20-21swapper/220:45:052
13094200,0sleep20-21swapper/220:30:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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