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2026-03-15 - 10:38
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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 792 highest latencies:
System rackdslot3.osadl.org (updated Sun Mar 15, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491225197,18phc2sys0-21swapper/319:07:593
322112206173,22sleep00-21swapper/019:06:280
321762202169,22sleep20-21swapper/219:06:012
324002199167,21sleep10-21swapper/119:08:501
1914021600,5sleep331999cyclictest20:55:173
2056421470,7sleep131799cyclictest00:20:141
2764921310,4sleep231899cyclictest20:05:172
3249328163,10sleep00-21swapper/019:10:000
318996629,8cyclictest33-21ksoftirqd/200:00:012
139391660,1ptp4l401ktimersoftd/322:41:383
318996529,4cyclictest33-21ksoftirqd/223:20:002
318996429,5cyclictest33-21ksoftirqd/220:50:172
318996428,5cyclictest33-21ksoftirqd/221:45:002
318996428,5cyclictest33-21ksoftirqd/220:25:012
318996428,5cyclictest33-21ksoftirqd/220:25:012
318996427,7cyclictest33-21ksoftirqd/221:45:222
318996328,6cyclictest33-21ksoftirqd/200:35:002
318996327,5cyclictest33-21ksoftirqd/221:05:012
318996327,5cyclictest33-21ksoftirqd/219:24:592
318996326,8cyclictest33-21ksoftirqd/222:30:152
318996325,8cyclictest33-21ksoftirqd/222:45:182
318996323,7cyclictest33-21ksoftirqd/221:50:182
318996231,4cyclictest33-21ksoftirqd/219:40:012
318996229,5cyclictest33-21ksoftirqd/219:55:012
318996228,8cyclictest33-21ksoftirqd/200:25:002
318996228,6cyclictest33-21ksoftirqd/222:35:192
318996227,5cyclictest33-21ksoftirqd/200:25:272
318996221,5cyclictest33-21ksoftirqd/219:15:162
318996127,5cyclictest33-21ksoftirqd/223:05:232
318996127,5cyclictest33-21ksoftirqd/221:39:592
318996126,6cyclictest33-21ksoftirqd/219:30:202
318996126,6cyclictest33-21ksoftirqd/219:30:202
318996125,6cyclictest33-21ksoftirqd/219:45:272
318996123,7cyclictest33-21ksoftirqd/222:55:132
318996025,6cyclictest33-21ksoftirqd/223:40:212
318996025,5cyclictest33-21ksoftirqd/222:19:592
318995926,6cyclictest33-21ksoftirqd/223:55:162
318995926,6cyclictest33-21ksoftirqd/222:40:142
318995926,6cyclictest33-21ksoftirqd/222:05:142
318995926,6cyclictest33-21ksoftirqd/220:55:242
318995925,6cyclictest33-21ksoftirqd/221:25:262
318995925,6cyclictest33-21ksoftirqd/200:35:182
318995925,6cyclictest33-21ksoftirqd/200:10:142
318995925,5cyclictest33-21ksoftirqd/223:30:002
318995925,5cyclictest33-21ksoftirqd/223:10:252
318995924,5cyclictest33-21ksoftirqd/221:05:252
318995924,5cyclictest33-21ksoftirqd/200:15:192
318995922,7cyclictest33-21ksoftirqd/219:40:192
318995827,4cyclictest33-21ksoftirqd/222:10:242
318995826,6cyclictest33-21ksoftirqd/223:30:242
318995825,8cyclictest33-21ksoftirqd/221:10:152
318995825,6cyclictest33-21ksoftirqd/220:00:132
318995824,6cyclictest33-21ksoftirqd/220:45:182
318995824,5cyclictest33-21ksoftirqd/222:25:182
318995824,5cyclictest33-21ksoftirqd/219:55:232
318995823,7cyclictest33-21ksoftirqd/222:50:252
318995823,7cyclictest33-21ksoftirqd/220:25:022
318995822,5cyclictest33-21ksoftirqd/223:20:152
318995822,5cyclictest33-21ksoftirqd/223:05:002
31699587,6cyclictest16015-21df_abs00:10:140
318995728,3cyclictest33-21ksoftirqd/221:15:272
318995727,7cyclictest33-21ksoftirqd/220:40:182
318995726,5cyclictest33-21ksoftirqd/220:15:142
318995726,5cyclictest33-21ksoftirqd/220:10:212
318995724,6cyclictest33-21ksoftirqd/222:20:152
318995724,6cyclictest33-21ksoftirqd/221:30:122
318995724,14cyclictest33-21ksoftirqd/219:25:242
318995723,5cyclictest33-21ksoftirqd/223:50:262
318995723,5cyclictest33-21ksoftirqd/222:05:012
318995722,6cyclictest33-21ksoftirqd/200:05:132
318995721,6cyclictest33-21ksoftirqd/220:30:182
318995719,6cyclictest33-21ksoftirqd/223:35:262
318995719,6cyclictest33-21ksoftirqd/223:35:262
318995625,5cyclictest33-21ksoftirqd/220:35:122
318995621,6cyclictest33-21ksoftirqd/221:20:102
318995621,5cyclictest33-21ksoftirqd/223:45:142
31699557,7cyclictest28693-21cut21:15:190
139391550,0ptp4l401ktimersoftd/323:31:423
318995424,9cyclictest33-21ksoftirqd/221:55:142
318995420,6cyclictest33-21ksoftirqd/219:10:132
31699547,7cyclictest8565-21cut19:25:180
31699546,7cyclictest19794-21readlink22:05:020
139391540,1ptp4l401ktimersoftd/319:18:283
139391540,1ptp4l401ktimersoftd/300:25:213
317995214,36cyclictest0-21swapper/121:09:331
31699526,6cyclictest26827-21expr20:05:110
31699520,13cyclictest31512grep22:35:220
317994910,28cyclictest15308-21seq20:45:281
31799461,25cyclictest4175-21latency_hist22:40:001
31699459,4cyclictest9-21ksoftirqd/021:40:220
316994510,5cyclictest9-21ksoftirqd/019:30:250
316994510,5cyclictest9-21ksoftirqd/019:30:240
31799449,21cyclictest27670-21seq21:14:071
31799441,20cyclictest0-21swapper/123:02:221
31699431,11cyclictest23629-21df_abs21:05:140
139391430,0ptp4l401ktimersoftd/319:35:353
317994227,13cyclictest25-21ksoftirqd/123:20:121
139391420,0ptp4l401ktimersoftd/321:10:303
31699417,4cyclictest9-21ksoftirqd/019:44:280
139391410,0ptp4l401ktimersoftd/321:20:013
317994010,28cyclictest0-21swapper/119:10:041
31799400,21cyclictest7188-21runrttasks19:22:191
31799400,20cyclictest10004-21/usr/sbin/munin19:30:261
31799400,20cyclictest10004-21/usr/sbin/munin19:30:251
31699407,4cyclictest9-21ksoftirqd/021:49:470
31699407,4cyclictest9-21ksoftirqd/020:01:160
317993932,4cyclictest17809-21cron00:15:001
31699396,4cyclictest9-21ksoftirqd/023:02:360
139391390,1ptp4l401ktimersoftd/320:40:133
31999381,35cyclictest25543-21ls23:25:003
31699387,4cyclictest9-21ksoftirqd/022:23:330
31699386,4cyclictest9-21ksoftirqd/021:00:290
31699386,4cyclictest9-21ksoftirqd/020:44:490
31699386,4cyclictest9-21ksoftirqd/000:34:070
316993819,4cyclictest9-21ksoftirqd/000:38:570
31699380,11cyclictest17171-21date22:00:000
319993732,3cyclictest41-21ksoftirqd/320:25:003
319993732,3cyclictest41-21ksoftirqd/320:25:003
319993732,3cyclictest41-21ksoftirqd/320:20:003
319993731,4cyclictest41-21ksoftirqd/319:14:213
317993731,4cyclictest25-21ksoftirqd/120:35:111
31799372,15cyclictest0-21swapper/121:24:331
31799371,22cyclictest14354-21taskset21:51:131
31799370,24cyclictest24828-21chrt00:28:401
31699378,4cyclictest9-21ksoftirqd/020:53:510
31699377,4cyclictest9-21ksoftirqd/023:24:230
31699377,4cyclictest9-21ksoftirqd/022:17:230
31699377,4cyclictest9-21ksoftirqd/022:10:580
31699377,4cyclictest9-21ksoftirqd/020:31:580
31699376,4cyclictest9-21ksoftirqd/023:13:110
31699375,4cyclictest9-21ksoftirqd/023:27:120
57898360,2rtkit-daemon0-21swapper/320:50:193
319993632,3cyclictest41-21ksoftirqd/323:05:013
319993630,4cyclictest41-21ksoftirqd/321:38:143
319993630,4cyclictest41-21ksoftirqd/320:28:093
317993630,4cyclictest25-21ksoftirqd/120:25:061
31799362,18cyclictest0-21swapper/119:45:281
31799361,22cyclictest16694-21seq19:42:291
31699367,5cyclictest9-21ksoftirqd/023:19:530
31699367,4cyclictest9-21ksoftirqd/023:07:180
31699367,4cyclictest9-21ksoftirqd/000:17:420
316993631,3cyclictest32639-21cron23:40:000
316993631,3cyclictest32639-21cron23:40:000
139391360,0ptp4l401ktimersoftd/322:30:233
139391360,0ptp4l401ktimersoftd/300:35:123
57898350,2rtkit-daemon0-21swapper/323:07:353
319993529,4cyclictest41-21ksoftirqd/319:30:003
319993527,6cyclictest41-21ksoftirqd/322:40:003
317993530,3cyclictest25-21ksoftirqd/123:42:271
317993529,4cyclictest25-21ksoftirqd/121:57:571
31799351,32cyclictest3653-21sed20:25:001
31799351,32cyclictest3653-21sed20:25:001
31799350,22cyclictest30816-21seq20:11:141
31799350,21cyclictest20263-21taskset20:55:331
31699357,4cyclictest9-21ksoftirqd/020:28:410
31699356,4cyclictest9-21ksoftirqd/022:04:330
316993529,4cyclictest9-21ksoftirqd/023:42:020
319993428,4cyclictest41-21ksoftirqd/322:53:113
319993428,4cyclictest41-21ksoftirqd/320:09:293
319993428,4cyclictest41-21ksoftirqd/319:59:093
319993428,4cyclictest41-21ksoftirqd/300:14:223
317993428,4cyclictest25-21ksoftirqd/122:51:001
317993428,4cyclictest25-21ksoftirqd/122:23:291
317993428,4cyclictest25-21ksoftirqd/122:09:481
317993428,4cyclictest25-21ksoftirqd/121:45:491
317993428,4cyclictest25-21ksoftirqd/120:43:561
317993428,4cyclictest25-21ksoftirqd/119:39:131
317993427,4cyclictest25-21ksoftirqd/123:45:191
31799340,1cyclictest0-21swapper/120:00:171
31699347,4cyclictest9-21ksoftirqd/023:34:140
31699346,4cyclictest9-21ksoftirqd/000:01:250
316993428,4cyclictest9-21ksoftirqd/020:12:010
316993428,4cyclictest9-21ksoftirqd/019:49:520
139391340,1ptp4l0-21swapper/320:47:093
319993328,3cyclictest41-21ksoftirqd/322:25:443
319993327,4cyclictest41-21ksoftirqd/323:57:493
319993327,4cyclictest41-21ksoftirqd/323:54:363
319993327,4cyclictest41-21ksoftirqd/323:48:433
319993327,4cyclictest41-21ksoftirqd/323:14:013
319993327,4cyclictest41-21ksoftirqd/322:13:153
319993327,4cyclictest41-21ksoftirqd/322:05:293
319993327,4cyclictest41-21ksoftirqd/321:53:053
319993327,4cyclictest41-21ksoftirqd/321:04:113
319993327,4cyclictest41-21ksoftirqd/319:54:553
317993328,3cyclictest25-21ksoftirqd/122:55:081
317993328,3cyclictest25-21ksoftirqd/100:04:591
317993327,4cyclictest25-21ksoftirqd/123:16:231
317993327,4cyclictest25-21ksoftirqd/122:33:111
317993327,4cyclictest25-21ksoftirqd/122:26:141
317993327,4cyclictest25-21ksoftirqd/121:37:201
317993327,4cyclictest25-21ksoftirqd/121:26:321
317993327,4cyclictest25-21ksoftirqd/119:52:411
31699337,4cyclictest9-21ksoftirqd/022:47:320
31699337,4cyclictest9-21ksoftirqd/021:54:210
319993227,3cyclictest41-21ksoftirqd/323:15:153
319993227,3cyclictest41-21ksoftirqd/300:20:003
319993226,4cyclictest41-21ksoftirqd/323:26:483
319993226,4cyclictest41-21ksoftirqd/321:49:203
319993226,4cyclictest41-21ksoftirqd/320:00:383
319993226,4cyclictest41-21ksoftirqd/319:45:453
317993226,4cyclictest25-21ksoftirqd/123:07:091
317993226,4cyclictest25-21ksoftirqd/122:17:261
317993226,4cyclictest25-21ksoftirqd/120:52:471
317993226,4cyclictest25-21ksoftirqd/120:06:381
317993226,4cyclictest25-21ksoftirqd/119:26:341
317993214,15cyclictest26594-21sensors_temp00:30:251
31699328,6cyclictest9-21ksoftirqd/020:15:130
316993227,3cyclictest9-21ksoftirqd/000:27:280
316993226,4cyclictest9-21ksoftirqd/022:44:220
316993226,4cyclictest9-21ksoftirqd/021:33:130
316993226,4cyclictest9-21ksoftirqd/019:56:060
139391320,1ptp4l401ktimersoftd/323:35:173
139391320,1ptp4l401ktimersoftd/323:35:173
139391320,0ptp4l401ktimersoftd/300:32:573
319993126,3cyclictest41-21ksoftirqd/321:17:013
319993126,3cyclictest41-21ksoftirqd/300:05:113
319993125,4cyclictest41-21ksoftirqd/322:03:043
319993125,4cyclictest41-21ksoftirqd/321:42:553
317993127,3cyclictest25-21ksoftirqd/122:42:131
317993126,3cyclictest25-21ksoftirqd/123:12:401
317993125,4cyclictest25-21ksoftirqd/123:25:421
317993125,4cyclictest25-21ksoftirqd/122:02:261
317993125,4cyclictest25-21ksoftirqd/120:32:561
317993125,4cyclictest25-21ksoftirqd/100:37:271
317993125,4cyclictest25-21ksoftirqd/100:16:291
31799310,4cyclictest22011-21cpuspeed_turbos19:55:121
31699316,4cyclictest9-21ksoftirqd/021:25:450
316993125,4cyclictest9-21ksoftirqd/022:58:330
316993125,4cyclictest9-21ksoftirqd/020:24:020
316993125,4cyclictest9-21ksoftirqd/020:24:010
139391310,0ptp4l401ktimersoftd/322:59:183
139391310,0ptp4l401ktimersoftd/322:21:003
139391310,0ptp4l401ktimersoftd/321:30:113
139391310,0ptp4l401ktimersoftd/319:42:593
139391310,0ptp4l401ktimersoftd/319:34:433
139391310,0ptp4l401ktimersoftd/319:34:433
319993025,3cyclictest41-21ksoftirqd/320:10:133
319993024,4cyclictest41-21ksoftirqd/320:36:243
319993024,4cyclictest41-21ksoftirqd/320:34:113
319993024,3cyclictest41-21ksoftirqd/319:20:183
317993024,4cyclictest25-21ksoftirqd/120:18:091
317993013,15cyclictest23300-21sed22:10:201
31799301,25cyclictest2518-21gnome-shell19:15:591
31799301,24cyclictest2518-21gnome-shell23:53:591
31799300,3cyclictest29512-21cat23:30:241
31799300,3cyclictest2945-21grep21:30:121
316993027,2cyclictest111rcuc/020:55:000
316993024,4cyclictest9-21ksoftirqd/021:22:460
316993024,4cyclictest9-21ksoftirqd/020:36:160
316993024,4cyclictest9-21ksoftirqd/019:51:280
316993024,4cyclictest9-21ksoftirqd/000:20:010
31699300,11cyclictest5384-21grep19:20:120
139391300,0ptp4l401ktimersoftd/300:02:283
319992924,3cyclictest41-21ksoftirqd/300:21:003
319992923,4cyclictest41-21ksoftirqd/322:16:133
319992923,4cyclictest41-21ksoftirqd/321:27:543
317992924,3cyclictest25-21ksoftirqd/122:46:091
317992923,4cyclictest25-21ksoftirqd/123:55:511
317992923,4cyclictest25-21ksoftirqd/121:43:541
31799291,23cyclictest2031-21Xorg23:39:581
31799291,23cyclictest2031-21Xorg23:39:581
31799290,3cyclictest13644-21hwlatdetect00:05:171
139391290,0ptp4l401ktimersoftd/323:44:413
31799282,21cyclictest0-21swapper/121:00:111
31799281,25cyclictest2518-21gnome-shell21:17:581
316992826,1cyclictest111rcuc/000:06:570
316992822,4cyclictest9-21ksoftirqd/023:58:180
316992822,4cyclictest9-21ksoftirqd/022:52:320
316992822,4cyclictest9-21ksoftirqd/022:31:380
316992822,4cyclictest9-21ksoftirqd/021:14:040
319992721,4cyclictest41-21ksoftirqd/322:48:093
316992721,4cyclictest9-21ksoftirqd/022:29:010
316992721,4cyclictest9-21ksoftirqd/019:38:210
316992623,2cyclictest111rcuc/023:47:080
316992621,3cyclictest9-21ksoftirqd/023:50:110
316992620,4cyclictest9-21ksoftirqd/019:18:220
316992619,4cyclictest9-21ksoftirqd/020:49:320
139391250,0ptp4l401ktimersoftd/321:55:123
139391240,0ptp4l401ktimersoftd/321:05:253
31699231,5cyclictest9-21ksoftirqd/021:35:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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