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2026-07-18 - 10:25
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack5slot4.osadl.org (updated Sat Jul 18, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133402120111,6sleep10-21swapper/119:05:041
13347211298,8sleep30-21swapper/319:05:103
183992110100,7sleep20-21swapper/219:06:292
18345210998,5sleep00-21swapper/019:05:470
148352570,0sleep00-21swapper/021:55:180
249892550,0sleep00-21swapper/020:10:140
86352540,0sleep10-21swapper/123:15:161
83642350,0sleep2301ktimersoftd/219:55:182
1884199291,27cyclictest0-21swapper/220:48:252
18841992813,2cyclictest749-21snmpd20:50:142
1884199270,3cyclictest0-21swapper/220:36:592
18841992618,7cyclictest749-21snmpd22:19:052
18841992618,7cyclictest749-21snmpd19:42:222
18841992618,7cyclictest749-21snmpd00:26:002
18841992617,5cyclictest749-21snmpd23:30:112
1884199260,2cyclictest0-21swapper/220:00:352
18841992518,6cyclictest749-21snmpd22:20:142
18841992517,7cyclictest749-21snmpd23:13:542
1884199250,14cyclictest0-21swapper/222:10:112
1883099250,24cyclictest0-21swapper/000:09:030
1884199242,13cyclictest280-21systemd-journal00:36:122
18841992417,6cyclictest749-21snmpd20:41:352
18841992417,6cyclictest0-21swapper/200:00:212
18841992416,7cyclictest749-21snmpd22:08:082
18841992416,7cyclictest749-21snmpd21:50:092
1884199240,4cyclictest280-21systemd-journal19:50:212
1884199240,24cyclictest0-21swapper/219:16:072
1884199239,13cyclictest0-21swapper/220:30:132
1884199238,14cyclictest0-21swapper/219:25:172
1884199238,14cyclictest0-21swapper/219:25:162
18841992321,2cyclictest0-21swapper/221:37:442
18841992321,2cyclictest0-21swapper/220:22:012
18841992316,6cyclictest749-21snmpd21:45:352
18841992316,6cyclictest749-21snmpd20:17:592
18841992315,7cyclictest749-21snmpd21:59:472
18841992315,1cyclictest749-21snmpd21:17:142
1884199231,3cyclictest0-21swapper/223:26:482
1884199231,21cyclictest0-21swapper/222:57:442
1884199231,21cyclictest0-21swapper/222:04:112
1884199231,20cyclictest0-21swapper/221:20:112
1884199230,22cyclictest0-21swapper/221:00:502
18835992319,2cyclictest749-21snmpd21:35:201
1883599231,21cyclictest0-21swapper/120:27:261
1883599231,21cyclictest0-21swapper/120:19:501
1883599230,22cyclictest0-21swapper/119:41:221
18841992214,1cyclictest749-21snmpd23:40:442
1884199220,8cyclictest31988-21sshd00:33:332
1884199220,21cyclictest0-21swapper/222:54:022
1884199220,16cyclictest0-21swapper/221:09:022
1884199220,13cyclictest280-21systemd-journal23:56:042
18835992218,3cyclictest0-21swapper/121:44:021
1883599221,20cyclictest0-21swapper/122:25:351
1883599221,20cyclictest0-21swapper/120:40:591
1883599220,21cyclictest0-21swapper/123:05:051
1883599220,21cyclictest0-21swapper/123:00:261
1883599220,21cyclictest0-21swapper/121:53:441
1883599220,21cyclictest0-21swapper/121:04:051
1883599220,21cyclictest0-21swapper/119:48:231
1883599220,21cyclictest0-21swapper/100:38:121
1883599220,21cyclictest0-21swapper/100:25:481
28652210,1sleep10-21swapper/120:45:191
1884199212,14cyclictest0-21swapper/221:43:452
18841992119,2cyclictest0-21swapper/223:16:202
18841992117,3cyclictest0-21swapper/200:15:282
18841992115,1cyclictest749-21snmpd22:38:532
18841992113,1cyclictest749-21snmpd22:43:082
18841992113,1cyclictest749-21snmpd19:37:112
1884199210,9cyclictest0-21swapper/219:12:092
1884199210,20cyclictest0-21swapper/223:05:072
1884199210,20cyclictest0-21swapper/220:59:082
1884199210,20cyclictest0-21swapper/219:49:352
1884199210,20cyclictest0-21swapper/219:23:182
1884199210,14cyclictest0-21swapper/223:35:242
1884199210,14cyclictest0-21swapper/221:14:372
18835992119,2cyclictest0-21swapper/120:56:171
18835992118,3cyclictest0-21swapper/122:41:321
18835992117,3cyclictest0-21swapper/122:53:171
18835992117,3cyclictest0-21swapper/122:18:291
18835992117,3cyclictest0-21swapper/119:55:531
18835992117,3cyclictest0-21swapper/100:22:001
18835992117,3cyclictest0-21swapper/100:13:001
1883599211,19cyclictest0-21swapper/120:32:461
1883599210,2cyclictest0-21swapper/123:21:321
1883599210,20cyclictest0-21swapper/123:56:511
1883599210,20cyclictest0-21swapper/122:48:291
1883599210,20cyclictest0-21swapper/122:24:051
1883599210,20cyclictest0-21swapper/121:57:171
1883599210,20cyclictest0-21swapper/121:47:231
1883599210,20cyclictest0-21swapper/121:30:171
1883599210,20cyclictest0-21swapper/120:51:111
1883599210,20cyclictest0-21swapper/120:08:371
1883599210,20cyclictest0-21swapper/120:01:231
1883599210,20cyclictest0-21swapper/119:36:441
1883599210,20cyclictest0-21swapper/100:30:281
1883599210,19cyclictest5649-21runrttasks19:22:271
18830992118,2cyclictest749-21snmpd23:16:230
18830992118,2cyclictest749-21snmpd21:53:440
18830992118,2cyclictest749-21snmpd20:27:260
18830992118,2cyclictest749-21snmpd19:41:230
1884199206,8cyclictest8015-21/usr/sbin/munin23:45:132
18841992016,3cyclictest0-21swapper/222:28:592
18841992011,3cyclictest0-21swapper/200:07:492
1884199200,19cyclictest0-21swapper/220:05:222
1884199200,15cyclictest0-21swapper/220:12:312
1884199200,14cyclictest0-21swapper/222:45:162
1884199200,14cyclictest0-21swapper/220:25:132
18835992018,2cyclictest0-21swapper/123:12:181
18835992018,2cyclictest0-21swapper/120:39:231
18835992017,3cyclictest0-21swapper/122:06:591
18835992017,3cyclictest0-21swapper/121:28:501
18835992016,3cyclictest0-21swapper/123:36:481
1883599200,19cyclictest0-21swapper/119:16:161
1883599200,19cyclictest0-21swapper/100:15:171
1883599200,19cyclictest0-21swapper/100:05:301
18830992018,1cyclictest749-21snmpd23:21:330
18830992018,1cyclictest749-21snmpd22:01:290
18830992018,1cyclictest749-21snmpd20:39:560
18830992018,1cyclictest749-21snmpd20:32:470
18830992018,1cyclictest749-21snmpd20:09:560
18830992018,1cyclictest749-21snmpd19:58:170
18830992018,1cyclictest749-21snmpd19:48:230
18830992017,2cyclictest749-21snmpd21:04:050
18830992017,2cyclictest749-21snmpd20:18:220
93902199,3sleep30-21swapper/320:51:033
1884199196,3cyclictest0-21swapper/223:20:112
1884199195,9cyclictest0-21swapper/221:30:252
1884199191,8cyclictest0-21swapper/222:31:242
18841991917,1cyclictest749-21snmpd23:00:442
18841991917,1cyclictest749-21snmpd21:25:592
18835991917,2cyclictest0-21swapper/123:46:001
18835991917,2cyclictest0-21swapper/123:28:291
18835991915,3cyclictest0-21swapper/122:36:051
18835991915,3cyclictest0-21swapper/119:25:401
18835991915,3cyclictest0-21swapper/119:25:391
18830991917,1cyclictest749-21snmpd23:56:510
18830991917,1cyclictest749-21snmpd23:05:050
18830991917,1cyclictest749-21snmpd22:48:290
18830991917,1cyclictest749-21snmpd21:47:230
18830991917,1cyclictest749-21snmpd21:41:110
18830991917,1cyclictest749-21snmpd21:30:170
18830991917,1cyclictest749-21snmpd20:40:590
18830991917,1cyclictest749-21snmpd19:36:430
18830991917,1cyclictest749-21snmpd19:29:440
18830991917,1cyclictest749-21snmpd19:29:440
18830991917,1cyclictest749-21snmpd00:25:490
18830991917,1cyclictest4742-21cat00:10:160
18830991916,2cyclictest749-21snmpd22:25:360
18830991916,2cyclictest749-21snmpd21:08:560
18830991916,2cyclictest749-21snmpd00:38:120
18830991916,2cyclictest749-21snmpd00:16:010
18830991916,2cyclictest749-21snmpd00:03:280
1884199182,13cyclictest0-21swapper/200:21:102
18841991816,1cyclictest749-21snmpd19:31:442
18835991817,1cyclictest0-21swapper/122:30:151
18835991816,2cyclictest0-21swapper/121:14:051
18835991815,3cyclictest0-21swapper/120:13:471
18835991815,2cyclictest7799-21awk23:44:591
18835991814,3cyclictest0-21swapper/100:01:041
18830991816,1cyclictest749-21snmpd23:47:220
18830991816,1cyclictest749-21snmpd23:39:260
18830991816,1cyclictest749-21snmpd23:30:230
18830991816,1cyclictest749-21snmpd23:00:260
18830991816,1cyclictest749-21snmpd22:43:420
18830991816,1cyclictest749-21snmpd22:33:350
18830991816,1cyclictest749-21snmpd22:24:050
18830991816,1cyclictest749-21snmpd22:08:290
18830991816,1cyclictest749-21snmpd21:28:500
18830991816,1cyclictest749-21snmpd20:58:290
18830991816,1cyclictest749-21snmpd20:51:110
18830991816,1cyclictest749-21snmpd20:01:230
18830991816,1cyclictest749-21snmpd19:20:490
18830991816,1cyclictest749-21snmpd19:16:160
18830991816,1cyclictest749-21snmpd00:30:270
18830991815,2cyclictest749-21snmpd23:10:560
18830991815,2cyclictest27431-21ntp_states21:35:200
18830991815,1cyclictest749-21snmpd21:11:500
84572177,3sleep30-21swapper/322:15:283
1884199172,12cyclictest0-21swapper/200:10:312
18835991715,2cyclictest0-21swapper/123:31:291
18835991715,2cyclictest0-21swapper/122:00:411
18835991715,2cyclictest0-21swapper/121:07:351
18835991714,3cyclictest0-21swapper/122:11:201
18835991714,3cyclictest0-21swapper/119:31:471
18835991714,2cyclictest0-21swapper/122:56:211
18835991713,3cyclictest0-21swapper/121:18:501
18830991715,1cyclictest749-21snmpd22:35:500
18830991715,1cyclictest749-21snmpd22:18:410
18830991715,1cyclictest749-21snmpd21:15:110
18830991714,2cyclictest749-21snmpd22:59:180
18830991714,2cyclictest749-21snmpd22:11:230
18830991714,2cyclictest17104-21sadc19:35:010
18830991713,2cyclictest749-21snmpd22:53:170
1883099170,16cyclictest0-21swapper/023:50:230
18841991612,3cyclictest0-21swapper/223:54:342
18835991614,2cyclictest0-21swapper/120:23:141
18835991614,2cyclictest0-21swapper/119:12:481
18835991614,1cyclictest749-21snmpd19:51:131
18835991612,3cyclictest0-21swapper/123:51:551
18830991614,1cyclictest749-21snmpd23:41:590
18830991613,2cyclictest749-21snmpd00:22:000
192552159,3sleep30-21swapper/320:30:243
188562150,0sleep30-21swapper/320:05:123
18830991513,1cyclictest749-21snmpd23:28:290
18830991513,1cyclictest749-21snmpd20:20:230
1701621510,3sleep30-21swapper/319:34:013
88142148,3sleep30-21swapper/322:20:013
83312149,3sleep30-21swapper/320:24:273
74132149,3sleep30-21swapper/321:48:413
566021410,3sleep30-21swapper/319:22:353
478121410,3sleep30-21swapper/322:45:093
392321410,3sleep30-21swapper/320:47:503
381821410,3sleep30-21swapper/300:10:063
323362149,3sleep30-21swapper/300:35:103
312032145,3sleep30-21swapper/322:38:193
2994321410,3sleep30-21swapper/322:09:203
288421410,3sleep30-21swapper/322:11:043
281782149,3sleep30-21swapper/319:42:433
2563821410,3sleep30-21swapper/322:34:273
226492149,4sleep30-21swapper/321:34:483
2093121410,3sleep30-21swapper/321:04:433
1985321410,3sleep30-21swapper/320:35:083
1984021410,3sleep30-21swapper/322:27:143
18562148,5sleep30-21swapper/323:36:463
1798921410,3sleep30-21swapper/320:00:373
168032144,3sleep30-21swapper/321:27:113
16022149,3sleep30-21swapper/321:41:453
1572021410,3sleep30-21swapper/322:54:053
1397921410,3sleep30-21swapper/320:29:563
1271621410,3sleep30-21swapper/319:59:523
56892139,3sleep30-21swapper/323:11:433
43232139,3sleep30-21swapper/322:42:083
35482136,4sleep30-21swapper/300:09:313
325192139,3sleep30-21swapper/323:07:143
323492139,3sleep30-21swapper/319:17:083
319952139,3sleep30-21swapper/321:12:253
306162139,3sleep30-21swapper/320:41:223
303052139,3sleep30-21swapper/300:03:533
292902138,3sleep30-21swapper/320:11:463
280882139,3sleep30-21swapper/321:37:003
269282139,3sleep30-21swapper/323:02:313
263342139,3sleep30-21swapper/321:06:573
262552139,3sleep30-21swapper/300:27:563
246002139,3sleep30-21swapper/323:59:253
24352139,3sleep30-21swapper/320:16:153
241922139,3sleep30-21swapper/319:12:383
241412139,3sleep30-21swapper/322:02:073
224602139,3sleep30-21swapper/319:36:303
213832139,3sleep30-21swapper/322:59:013
18830991311,2cyclictest0-21swapper/019:51:130
18830991311,1cyclictest749-21snmpd19:12:480
1883099130,12cyclictest0-21swapper/021:20:130
186582139,3sleep30-21swapper/321:59:073
150022135,7sleep30-21swapper/320:55:473
146322139,3sleep30-21swapper/300:17:473
12212139,3sleep30-21swapper/319:46:113
121532139,3sleep30-21swapper/323:20:083
112752139,3sleep30-21swapper/323:15:553
111282139,3sleep30-21swapper/321:21:503
111262139,3sleep30-21swapper/319:25:493
111262139,3sleep30-21swapper/319:25:493
52582128,3sleep30-21swapper/321:18:063
317452128,3sleep30-21swapper/300:31:093
287002128,3sleep30-21swapper/323:32:333
204542128,3sleep30-21swapper/300:20:443
188392128,3sleep30-21swapper/323:52:403
1883599121,9cyclictest0-21swapper/121:20:151
134062128,3sleep30-21swapper/323:49:553
128222128,3sleep30-21swapper/321:51:103
75782117,3sleep30-21swapper/323:42:283
67972117,3sleep30-21swapper/319:50:523
1883099110,10cyclictest0-21swapper/020:45:170
229872105,3sleep30-21swapper/323:27:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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