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2026-06-07 - 21:56
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot8.osadl.org (updated Sun Jun 07, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11940212520,2sleep1321rcuc/107:35:191
1155498992320,1cyclictest0-21swapper/311:15:183
1155498992320,1cyclictest0-21swapper/309:40:123
115549899221,17cyclictest1627557-21taskset12:33:583
115549899221,17cyclictest1333881-21taskset09:23:213
115549899221,17cyclictest1325976-21taskset09:18:083
115549899221,17cyclictest1325976-21taskset09:18:083
115549899221,17cyclictest1318294-21taskset09:13:193
1155498992112,7cyclictest1496690-21turbostat11:10:003
115549899211,17cyclictest1488136-21taskset11:02:283
115549899211,17cyclictest1457063-21taskset10:42:173
115549899211,17cyclictest1426298-21taskset10:22:243
115549899211,16cyclictest1619140-21taskset12:26:533
115549899211,16cyclictest1556940-21taskset11:45:343
115549899211,16cyclictest1541548-21taskset11:35:443
115549899211,16cyclictest1472788-21taskset10:53:103
115549899211,16cyclictest1449572-21taskset10:37:553
115549899211,16cyclictest1441376-21taskset10:31:263
115549899211,16cyclictest1434091-21taskset10:27:363
115549899211,16cyclictest1410338-21taskset10:10:563
115549899211,16cyclictest1394997-21taskset10:01:103
115549899211,16cyclictest1380182-21taskset09:53:083
115549899211,16cyclictest1310868-21taskset09:06:133
115549899211,16cyclictest1234270-21taskset08:08:043
115549899211,16cyclictest1195962-21taskset07:39:223
15717672201,4sleep0222-21plymouthd11:55:230
11962992201,9sleep11196300-21lockfile-remove07:40:091
115549899202,15cyclictest1285578-21taskset08:49:313
115549899202,14cyclictest1589624-21chrt12:10:123
115549899201,16cyclictest1604250-21taskset12:18:353
115549899201,16cyclictest1526632-21taskset11:27:263
115549899201,16cyclictest1411959-21taskset10:15:093
115549899201,16cyclictest1396536-21taskset10:05:073
115549899201,16cyclictest1291710-21taskset08:50:543
115549899201,16cyclictest1259892-21taskset08:29:053
115549899201,16cyclictest1246887-21taskset08:16:063
115549899201,16cyclictest1170034-21taskset07:15:493
115549899201,15cyclictest1631511-21taskset12:35:193
115549899201,15cyclictest1566507-21chrt11:55:133
115549899201,15cyclictest1388057-21taskset09:58:373
115549899201,15cyclictest1298065-21taskset08:55:483
115549899201,15cyclictest1272619-21taskset08:37:403
115549899201,15cyclictest1253259-21taskset08:20:353
115549899201,15cyclictest1221318-21taskset07:56:103
115549899201,15cyclictest1189224-21taskset07:30:533
115549899201,14cyclictest1512431-21chrt11:20:133
115549899200,16cyclictest1533666-21taskset11:30:273
115549899200,16cyclictest1464660-21taskset10:46:573
115549899200,16cyclictest1208729-21taskset07:48:243
11553612200,2sleep30-21swapper/307:09:563
13654142190,1sleep10-21swapper/109:45:001
115549899197,6cyclictest12023052sleep307:43:173
115549899196,10cyclictest1170397-21turbostat07:24:553
115549899191,15cyclictest1611460-21taskset12:22:033
115549899191,15cyclictest1588544-21taskset12:07:403
115549899191,15cyclictest1503663-21taskset11:12:523
115549899191,15cyclictest1480730-21taskset10:58:353
115549899191,15cyclictest1480730-21taskset10:58:353
115549899191,15cyclictest1372298-21taskset09:47:443
115549899191,15cyclictest1341340-21taskset09:27:313
115549899191,15cyclictest1278898-21taskset08:40:403
115549899191,15cyclictest1265996-21taskset08:30:413
115549899191,15cyclictest1227726-21taskset08:01:113
115549899191,15cyclictest1214922-21taskset07:51:143
115549899191,14cyclictest1348454-21taskset09:30:473
115549899191,14cyclictest1161852-21turbostat07:15:013
115549899191,13cyclictest1234724-21chrt08:10:133
115549899190,16cyclictest1580466-21taskset12:01:383
12088562181,13sleep21208996-21latency_hist07:50:002
115549899181,14cyclictest1566047-21taskset11:54:443
115549899181,13cyclictest1350216-21taskset09:35:133
115549899171,13cyclictest1304649-21taskset09:03:253
115549899171,13cyclictest1182293-21chrt07:25:233
14597262161,2sleep00-21swapper/010:45:190
115549899161,12cyclictest1549960-21taskset11:42:463
13864452151,11sleep01386488-21ntp_states09:55:230
12474762150,6sleep01247258-21sendmail-msp08:20:050
12143882151,6sleep21214468-21/usr/sbin/munin07:50:242
16051312141,10sleep01605223-21grep12:20:120
15337312140,2sleep00-21swapper/011:30:370
15022882131,9sleep01502338-21/usr/sbin/munin11:10:240
14758162131,2sleep20-21swapper/210:55:192
14758162131,2sleep20-21swapper/210:55:192
14559142131,9sleep21455965-21/usr/sbin/munin10:40:232
14031462130,3sleep1222-21plymouthd10:07:311
13253342131,3sleep1222-21plymouthd09:16:161
13253342131,3sleep1222-21plymouthd09:16:151
12981122131,1sleep00-21swapper/008:56:250
12190522131,9sleep01220497-21/usr/sbin/munin07:55:200
11877562130,4sleep1321rcuc/107:30:181
16026222121,8sleep01602674-21cat12:15:230
15952042121,3sleep11595459-21unixbench_singl12:10:271
15502612121,8sleep11550267-21ssh11:43:371
15360532120,9sleep21536762-21sed11:35:162
14182732120,9sleep21418279-21ssh10:16:342
12398912121,8sleep01239935-21ntpq08:10:230
16180782110,1sleep10-21swapper/112:25:231
15879242110,3sleep0151ktimers/012:05:490
15273262110,9sleep21527332-21ssh11:29:312
15180592110,8sleep11518249-21users11:20:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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