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2026-06-20 - 04:01
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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 Jun 20, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18755212844,7sleep10-21swapper/119:06:511
18751212465,6sleep20-21swapper/219:06:472
188292114104,7sleep30-21swapper/319:07:483
18687210797,7sleep00-21swapper/019:05:570
13932620,0sleep20-21swapper/200:35:182
37952550,0sleep00-21swapper/000:10:120
286222450,0sleep128630-21kthreadcore22:05:191
19166993936,2cyclictest0-21swapper/121:10:111
1916699330,31cyclictest0-21swapper/120:25:111
1917199280,27cyclictest0-21swapper/221:58:442
1917199271,25cyclictest0-21swapper/200:02:182
1917199270,26cyclictest0-21swapper/223:50:242
1916699270,26cyclictest0-21swapper/123:29:061
1916699270,26cyclictest0-21swapper/122:53:261
1916699270,26cyclictest0-21swapper/122:46:271
1916699270,26cyclictest0-21swapper/122:43:201
1916699270,26cyclictest0-21swapper/122:04:081
1916699270,26cyclictest0-21swapper/122:04:081
1916699270,26cyclictest0-21swapper/120:57:221
1916699270,26cyclictest0-21swapper/120:36:581
1916699270,26cyclictest0-21swapper/120:05:551
1916699270,26cyclictest0-21swapper/119:38:481
1916699270,26cyclictest0-21swapper/100:38:061
1916699270,26cyclictest0-21swapper/100:32:431
1916699270,17cyclictest0-21swapper/122:20:111
1917199260,25cyclictest0-21swapper/220:49:222
1917199260,25cyclictest0-21swapper/200:10:032
1916699260,25cyclictest0-21swapper/121:07:481
1916699260,25cyclictest0-21swapper/120:51:491
1916699260,25cyclictest0-21swapper/120:23:101
1916699260,25cyclictest0-21swapper/120:15:101
1916699260,25cyclictest0-21swapper/100:26:121
19171992521,3cyclictest0-21swapper/220:25:222
1917199240,23cyclictest0-21swapper/221:38:562
19166992417,7cyclictest0-21swapper/119:18:341
19171992321,2cyclictest0-21swapper/200:31:332
1917199230,22cyclictest0-21swapper/223:30:102
1917199230,22cyclictest0-21swapper/222:11:052
19166992316,7cyclictest0-21swapper/123:50:551
1916699230,2cyclictest0-21swapper/119:45:101
1917199221,3cyclictest0-21swapper/220:52:252
1917199221,3cyclictest0-21swapper/220:02:012
1917199221,20cyclictest0-21swapper/221:49:442
1917199220,21cyclictest0-21swapper/221:22:552
1917199220,21cyclictest0-21swapper/221:16:552
1917199220,21cyclictest0-21swapper/219:16:482
1917199220,21cyclictest0-21swapper/200:26:332
1916699221,3cyclictest0-21swapper/123:37:531
1916699220,21cyclictest0-21swapper/123:40:271
1916699220,21cyclictest0-21swapper/120:42:101
1916699220,21cyclictest0-21swapper/100:22:491
1915899228,9cyclictest0-21swapper/020:25:200
1915899228,9cyclictest0-21swapper/019:15:220
1915899227,14cyclictest0-21swapper/020:35:230
1915899226,14cyclictest0-21swapper/023:45:190
19171992119,2cyclictest0-21swapper/222:19:112
19171992119,1cyclictest749-21snmpd20:18:572
19171992118,2cyclictest4749-21munin-plugin-st22:45:002
19171992117,2cyclictest27235-21cron23:05:002
19171992117,2cyclictest23405-21/usr/sbin/munin22:00:202
19171992117,2cyclictest23405-21/usr/sbin/munin22:00:202
1917199210,20cyclictest0-21swapper/219:54:242
1917199210,20cyclictest0-21swapper/200:07:122
19166992118,3cyclictest0-21swapper/121:22:011
19166992116,4cyclictest0-21swapper/121:27:531
1916699210,3cyclictest0-21swapper/119:33:311
1916699210,20cyclictest0-21swapper/122:35:441
1916699210,20cyclictest0-21swapper/122:27:531
1916699210,20cyclictest0-21swapper/122:15:261
1916699210,20cyclictest0-21swapper/121:57:531
1916699210,20cyclictest0-21swapper/119:29:371
1915899216,14cyclictest0-21swapper/021:30:220
19158992119,1cyclictest749-21snmpd20:01:240
1915899210,20cyclictest0-21swapper/022:00:150
1915899210,20cyclictest0-21swapper/022:00:150
1915899210,20cyclictest0-21swapper/000:21:240
2689222010,3sleep30-21swapper/323:00:363
1917199206,13cyclictest0-21swapper/220:05:282
19171992018,1cyclictest749-21snmpd23:36:382
19171992018,1cyclictest749-21snmpd23:27:382
19171992018,1cyclictest749-21snmpd20:59:122
19171992018,1cyclictest749-21snmpd19:48:012
19171992017,2cyclictest749-21snmpd19:31:402
19171992016,3cyclictest0-21swapper/221:29:172
19171992016,2cyclictest14693-21munin-run22:25:002
1917199200,1cyclictest0-21swapper/221:43:262
1917199200,19cyclictest0-21swapper/223:10:112
1917199200,19cyclictest0-21swapper/221:34:442
1917199200,19cyclictest0-21swapper/221:09:072
1917199200,19cyclictest0-21swapper/200:20:202
19166992018,2cyclictest0-21swapper/119:55:281
19166992017,3cyclictest0-21swapper/123:57:271
19166992016,3cyclictest0-21swapper/122:31:381
1916699200,3cyclictest0-21swapper/120:45:161
1916699200,2cyclictest0-21swapper/123:20:171
1916699200,2cyclictest0-21swapper/123:10:591
1916699200,2cyclictest0-21swapper/123:01:051
1916699200,2cyclictest0-21swapper/121:15:191
1916699200,19cyclictest0-21swapper/123:08:291
1916699200,19cyclictest0-21swapper/121:52:531
1916699200,19cyclictest0-21swapper/119:44:371
1915899206,8cyclictest19195-21/usr/sbin/munin23:55:240
1915899206,8cyclictest0-21swapper/021:25:160
19158992018,1cyclictest749-21snmpd23:19:560
19158992018,1cyclictest749-21snmpd23:09:080
19158992018,1cyclictest749-21snmpd22:37:560
19158992018,1cyclictest749-21snmpd21:43:560
19158992018,1cyclictest749-21snmpd20:22:340
19158992018,1cyclictest749-21snmpd20:18:100
19158992018,1cyclictest749-21snmpd20:13:240
19158992018,1cyclictest749-21snmpd20:09:580
19158992018,1cyclictest749-21snmpd00:28:060
19158992017,1cyclictest752-21lldpd22:47:000
19158992016,3cyclictest0-21swapper/000:34:260
192992190,0sleep30-21swapper/322:00:123
192992190,0sleep30-21swapper/322:00:123
19171991917,1cyclictest749-21snmpd19:11:102
19171991916,2cyclictest7739-21sadc23:45:012
1917199190,3cyclictest0-21swapper/223:15:292
1917199190,18cyclictest0-21swapper/223:55:222
19166991917,2cyclictest0-21swapper/122:57:411
19166991917,2cyclictest0-21swapper/121:43:381
19166991917,1cyclictest749-21snmpd21:35:111
19166991916,3cyclictest0-21swapper/119:22:001
19166991915,3cyclictest0-21swapper/100:15:211
19166991915,2cyclictest19794-21sadc20:35:001
19166991912,7cyclictest0-21swapper/121:03:041
1916699190,18cyclictest0-21swapper/119:12:421
1915899195,8cyclictest0-21swapper/020:40:110
19158991917,2cyclictest0-21swapper/022:55:160
19158991917,1cyclictest749-21snmpd23:51:370
19158991917,1cyclictest749-21snmpd23:04:530
19158991917,1cyclictest749-21snmpd22:25:380
19158991917,1cyclictest749-21snmpd22:13:230
19158991917,1cyclictest749-21snmpd21:59:140
19158991917,1cyclictest749-21snmpd21:52:080
19158991917,1cyclictest749-21snmpd20:46:160
19158991917,1cyclictest749-21snmpd19:46:090
19158991917,1cyclictest749-21snmpd19:37:550
19158991917,1cyclictest749-21snmpd19:30:060
19158991915,3cyclictest749-21snmpd20:58:100
19171991816,2cyclictest0-21swapper/222:49:142
19171991816,2cyclictest0-21swapper/222:30:232
19171991816,1cyclictest749-21snmpd22:27:202
19171991816,1cyclictest749-21snmpd20:35:252
19171991816,1cyclictest749-21snmpd19:35:062
19171991814,2cyclictest749-21snmpd22:54:532
1917199181,15cyclictest0-21swapper/222:55:362
1917199181,13cyclictest0-21swapper/219:40:222
19166991816,2cyclictest0-21swapper/122:11:441
19166991816,2cyclictest0-21swapper/121:45:441
19166991816,2cyclictest0-21swapper/119:52:041
19166991815,2cyclictest0-21swapper/121:31:321
19166991814,3cyclictest0-21swapper/123:45:061
19166991811,7cyclictest0-21swapper/100:10:391
1915899184,8cyclictest24842-21/usr/sbin/munin00:00:200
19158991816,1cyclictest749-21snmpd23:41:000
19158991816,1cyclictest749-21snmpd22:33:140
19158991816,1cyclictest749-21snmpd22:20:500
19158991816,1cyclictest749-21snmpd22:05:200
19158991816,1cyclictest749-21snmpd21:47:320
19158991816,1cyclictest749-21snmpd21:21:070
19158991816,1cyclictest749-21snmpd21:17:330
19158991816,1cyclictest749-21snmpd21:14:010
19158991816,1cyclictest749-21snmpd20:31:400
19158991816,1cyclictest749-21snmpd19:51:340
19158991816,1cyclictest749-21snmpd19:40:400
19158991816,1cyclictest749-21snmpd19:23:000
19158991816,1cyclictest749-21snmpd00:17:130
1917199173,13cyclictest0-21swapper/200:15:072
1917199172,14cyclictest0-21swapper/223:20:252
1917199172,13cyclictest0-21swapper/222:05:172
19171991716,1cyclictest0-21swapper/221:10:162
19171991715,1cyclictest749-21snmpd23:06:172
19171991715,1cyclictest749-21snmpd20:11:342
19171991715,1cyclictest749-21snmpd19:29:422
19171991713,2cyclictest30411-21latency22:35:182
1917199171,15cyclictest0-21swapper/220:30:432
1917199170,11cyclictest0-21swapper/220:20:172
19166991715,2cyclictest0-21swapper/120:13:101
19166991715,2cyclictest0-21swapper/120:04:481
1916699170,16cyclictest0-21swapper/123:19:581
19158991715,1cyclictest749-21snmpd23:38:390
19158991715,1cyclictest749-21snmpd23:33:200
19158991715,1cyclictest749-21snmpd23:20:410
19158991715,1cyclictest749-21snmpd22:51:530
19158991715,1cyclictest749-21snmpd21:04:220
19158991715,1cyclictest749-21snmpd20:51:150
19158991715,1cyclictest749-21snmpd19:58:190
1915899170,16cyclictest0-21swapper/000:40:000
1915899170,11cyclictest0-21swapper/022:40:130
1915899170,11cyclictest0-21swapper/019:25:180
1915899170,11cyclictest0-21swapper/019:10:260
2590121610,3sleep30-21swapper/322:35:013
230782166,3sleep30-21swapper/323:27:353
19171991614,2cyclictest0-21swapper/221:50:022
19171991614,1cyclictest749-21snmpd19:24:132
1917199160,15cyclictest0-21swapper/223:45:152
1917199160,15cyclictest0-21swapper/219:55:152
19166991613,3cyclictest0-21swapper/123:30:411
19166991612,3cyclictest0-21swapper/100:09:251
19158991614,1cyclictest749-21snmpd21:36:530
1915899160,15cyclictest0-21swapper/023:10:100
1915899160,15cyclictest0-21swapper/021:05:080
2874821510,3sleep30-21swapper/323:33:253
225502155,3sleep30-21swapper/319:39:333
2028421510,3sleep30-21swapper/322:29:493
19171991514,0cyclictest749-21snmpd20:44:572
1917199150,14cyclictest0-21swapper/221:00:122
1916699150,10cyclictest0-21swapper/100:00:141
19158991513,1cyclictest749-21snmpd23:26:140
19158991513,1cyclictest749-21snmpd22:17:110
187702159,3sleep30-21swapper/323:52:463
184212159,3sleep30-21swapper/321:57:013
1393721510,3sleep30-21swapper/320:27:063
13362155,3sleep30-21swapper/319:49:343
99182147,4sleep30-21swapper/320:51:373
89092149,3sleep30-21swapper/322:18:073
882221410,3sleep30-21swapper/300:11:093
706121410,3sleep30-21swapper/321:45:353
70502140,0sleep30-21swapper/321:20:153
55742149,3sleep30-21swapper/321:17:003
43122149,3sleep30-21swapper/320:46:293
3259521410,3sleep30-21swapper/323:06:493
325042149,3sleep30-21swapper/319:19:453
325021410,3sleep30-21swapper/322:12:553
3239921410,3sleep30-21swapper/321:12:033
3009621410,3sleep30-21swapper/322:08:263
28452148,3sleep30-21swapper/320:18:363
2817421410,3sleep30-21swapper/321:38:383
2439221410,3sleep30-21swapper/319:11:053
2284221410,3sleep30-21swapper/319:40:083
2258821410,3sleep30-21swapper/321:34:103
2165121410,3sleep30-21swapper/321:05:073
2061321410,3sleep30-21swapper/300:24:183
183421410,3sleep30-21swapper/323:36:523
1734221410,3sleep30-21swapper/323:20:583
1674621410,3sleep30-21swapper/321:26:133
1654921410,3sleep30-21swapper/319:30:283
1565821410,3sleep30-21swapper/322:50:553
1460121410,3sleep30-21swapper/300:18:213
1434921410,3sleep30-21swapper/322:20:513
13472149,3sleep30-21swapper/321:43:193
1280521410,3sleep30-21swapper/321:51:483
1226821410,3sleep30-21swapper/319:56:033
1173221410,3sleep30-21swapper/323:16:313
1015421410,3sleep30-21swapper/322:47:273
82552133,3sleep30-21swapper/320:20:583
60342139,3sleep30-21swapper/323:11:013
55752139,3sleep30-21swapper/319:23:153
51122139,3sleep30-21swapper/300:39:573
44942139,3sleep30-21swapper/322:41:583
316052139,3sleep30-21swapper/300:30:593
313772139,3sleep30-21swapper/320:44:443
256612139,3sleep30-21swapper/320:39:163
244872139,3sleep30-21swapper/323:59:003
23272139,3sleep30-21swapper/323:40:053
215092139,3sleep30-21swapper/322:58:523
211172139,3sleep30-21swapper/321:01:063
208962139,3sleep30-21swapper/300:25:033
194322139,3sleep30-21swapper/320:30:343
1915899131,10cyclictest0-21swapper/000:05:200
179942139,3sleep30-21swapper/320:02:153
154602139,3sleep30-21swapper/320:55:533
131362139,3sleep30-21swapper/323:47:173
111402139,3sleep30-21swapper/319:27:423
32022128,3sleep30-21swapper/300:06:083
295472128,3sleep30-21swapper/320:12:413
255702128,3sleep30-21swapper/322:30:453
235142128,3sleep30-21swapper/320:06:113
68302117,3sleep30-21swapper/319:53:133
300162106,3sleep30-21swapper/300:01:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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