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2026-07-23 - 07:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 376 highest latencies:
System rack4slot1.osadl.org (updated Thu Jul 23, 2026 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1171921520,2sleep20-21swapper/222:15:542
1171921520,2sleep20-21swapper/222:15:542
1171921520,2sleep20-21swapper/222:15:542
872021010,4chrt0-21swapper/219:11:302
872021010,4chrt0-21swapper/219:11:302
667021000,2chrt6598-21/usr/sbin/munin21:31:111
327592970,4chrt0-21swapper/221:23:002
327592970,4chrt0-21swapper/221:23:002
327592970,4chrt0-21swapper/221:23:002
79672920,3sleep20-21swapper/223:31:222
79672920,3sleep20-21swapper/223:31:222
268872850,2sleep173-21kswapd023:16:141
268872850,2sleep173-21kswapd023:16:141
268872850,2sleep173-21kswapd023:16:141
213162800,3sleep20-21swapper/223:46:092
213162800,3sleep20-21swapper/223:46:092
213162800,3sleep20-21swapper/223:46:092
53652730,3chrt0-21swapper/222:07:102
53652730,3chrt0-21swapper/222:07:102
42922690,4sleep20-21swapper/223:26:522
42922690,4sleep20-21swapper/223:26:522
137352670,3sleep30-21swapper/322:59:523
137352670,3sleep30-21swapper/322:59:523
137352670,3sleep30-21swapper/322:59:523
57722650,3sleep30-21swapper/320:31:173
57722650,3sleep30-21swapper/320:31:173
270482640,3sleep20-21swapper/223:16:152
270482640,3sleep20-21swapper/223:16:152
270482640,3sleep20-21swapper/223:16:152
220812630,2sleep1201rcuc/122:26:301
220812630,2sleep1201rcuc/122:26:301
220812630,2sleep1201rcuc/122:26:301
19882630,4sleep00-21swapper/020:21:130
19882630,4sleep00-21swapper/020:21:130
19882630,4sleep00-21swapper/020:21:130
252862620,3sleep30-21swapper/321:52:203
252862620,3sleep30-21swapper/321:52:203
252862620,3sleep30-21swapper/321:52:203
142832620,4sleep20-21swapper/222:17:552
111752620,4chrt0-21swapper/322:14:583
111752620,4chrt0-21swapper/322:14:583
111752620,4chrt0-21swapper/322:14:583
225372600,3sleep20-21swapper/219:51:092
225372600,3sleep20-21swapper/219:51:092
126522560,4chrt12627-21latency_hist00:16:002
126522560,4chrt12627-21latency_hist00:16:002
20012550,3sleep30-21swapper/300:01:143
62892540,2sleep06336-21tail00:06:180
62892540,2sleep06336-21tail00:06:180
62892540,2sleep06336-21tail00:06:180
168172540,2sleep10-21swapper/121:42:091
168172540,2sleep10-21swapper/121:42:091
168172540,2sleep10-21swapper/121:42:091
60222530,4sleep00-21swapper/022:08:160
60222530,4sleep00-21swapper/022:08:160
6702520,3sleep30-21swapper/321:23:383
6702520,3sleep30-21swapper/321:23:383
6702520,3sleep30-21swapper/321:23:383
46842520,2sleep30-21swapper/323:27:373
46842520,2sleep30-21swapper/323:27:373
31252510,2sleep23134-21ssh22:05:382
31252510,2sleep23134-21ssh22:05:382
31252510,2sleep23134-21ssh22:05:382
42332500,3sleep00-21swapper/023:26:470
42332500,3sleep00-21swapper/023:26:470
3252500,3chrt0-21swapper/123:59:221
3252500,3chrt0-21swapper/123:59:221
3252500,3chrt0-21swapper/123:59:221
270352500,9sleep333-21ksoftirqd/320:01:193
270352500,9sleep333-21ksoftirqd/320:01:193
270352500,9sleep333-21ksoftirqd/320:01:193
257012500,3sleep30-21swapper/322:32:393
257012500,3sleep30-21swapper/322:32:393
257012500,3sleep30-21swapper/322:32:393
81132490,2sleep17222-21ls19:11:181
81132490,2sleep17222-21ls19:11:181
75272490,3sleep30-21swapper/320:36:153
187112490,5sleep121-21ksoftirqd/121:06:191
187112490,5sleep121-21ksoftirqd/121:06:191
8778994822,20cyclictest1-21systemd00:01:040
8778994822,20cyclictest1-21systemd00:01:040
8778994822,20cyclictest1-21systemd00:01:040
20732470,4chrt0-21swapper/220:21:152
20732470,4chrt0-21swapper/220:21:152
20732470,4chrt0-21swapper/220:21:152
249092450,2sleep00-21swapper/021:51:400
249092450,2sleep00-21swapper/021:51:400
249092450,2sleep00-21swapper/021:51:400
160412450,5sleep2261rcuc/221:41:212
160412450,5sleep2261rcuc/221:41:212
160412450,5sleep2261rcuc/221:41:212
120842450,3chrt0-21swapper/122:16:091
120842450,3chrt0-21swapper/122:16:091
120842450,3chrt0-21swapper/122:16:091
102082440,4sleep30-21swapper/323:34:003
102082440,4sleep30-21swapper/323:34:003
202812430,2sleep020452-21ssh21:46:230
202812430,2sleep020452-21ssh21:46:230
202812430,2sleep020452-21ssh21:46:230
288372420,3sleep30-21swapper/323:17:443
288372420,3sleep30-21swapper/323:17:443
288372420,3sleep30-21swapper/323:17:443
72162410,3sleep30-21swapper/300:06:443
72162410,3sleep30-21swapper/300:06:443
72162410,3sleep30-21swapper/300:06:443
197692400,3chrt0-21swapper/022:24:560
197692400,3chrt0-21swapper/022:24:560
197692400,3chrt0-21swapper/022:24:560
877999393,30cyclictest2402-21ssh00:01:191
877999393,30cyclictest2402-21ssh00:01:191
877999393,30cyclictest2402-21ssh00:01:191
75842390,3sleep30-21swapper/322:11:003
75842390,3sleep30-21swapper/322:11:003
318692390,2sleep30-21swapper/323:21:223
318692390,2sleep30-21swapper/323:21:223
314072390,3sleep20-21swapper/200:37:062
314072390,3sleep20-21swapper/200:37:062
250542390,4sleep20-21swapper/223:13:292
250542390,4sleep20-21swapper/223:13:292
147072390,3sleep30-21swapper/322:18:403
300912380,2chrt0-21swapper/022:40:070
300912380,2chrt0-21swapper/022:40:070
300912380,2chrt0-21swapper/022:40:070
282742380,3sleep30-21swapper/321:56:183
282742380,3sleep30-21swapper/321:56:183
154152380,3sleep20-21swapper/220:56:202
154152380,3sleep20-21swapper/220:56:202
877899372,31cyclictest3248-21ssh00:02:070
877899372,31cyclictest3248-21ssh00:02:070
877899372,31cyclictest3248-21ssh00:02:070
326962360,4sleep00-21swapper/023:22:080
326962360,4sleep00-21swapper/023:22:080
151112340,3sleep30-21swapper/323:38:433
151112340,3sleep30-21swapper/323:38:433
239212330,2sleep023930-21ssh00:28:410
239212330,2sleep023930-21ssh00:28:410
239212330,2sleep023930-21ssh00:28:410
291302320,2sleep312774-21kworker/3:000:35:303
291302320,2sleep312774-21kworker/3:000:35:303
105382320,4sleep012-21ksoftirqd/022:13:470
105382320,4sleep012-21ksoftirqd/022:13:470
105382320,4sleep012-21ksoftirqd/022:13:470
878199317,17cyclictest0-21swapper/300:01:053
878199317,17cyclictest0-21swapper/300:01:053
38362310,2sleep23844-21ssh00:03:102
38362310,2sleep23844-21ssh00:03:102
38362310,2sleep23844-21ssh00:03:102
90162290,3chrt0-21swapper/021:33:190
90162290,3chrt0-21swapper/021:33:190
211162290,7sleep333-21ksoftirqd/323:08:403
211162290,7sleep333-21ksoftirqd/323:08:403
210752290,3sleep20-21swapper/219:46:152
131632290,3sleep10-21swapper/123:36:231
131632290,3sleep10-21swapper/123:36:231
877999287,12cyclictest21-21ksoftirqd/122:10:461
877999287,12cyclictest21-21ksoftirqd/122:10:461
877999286,11cyclictest21-21ksoftirqd/100:34:511
877999286,11cyclictest21-21ksoftirqd/100:34:511
8779992821,4cyclictest201rcuc/119:42:331
8779992821,4cyclictest201rcuc/119:42:331
25952280,3chrt0-21swapper/022:04:380
25952280,3chrt0-21swapper/022:04:380
25952280,3chrt0-21swapper/022:04:380
131812280,2sleep113188-21ssh22:58:501
131812280,2sleep113188-21ssh22:58:501
131812280,2sleep113188-21ssh22:58:501
96042270,3sleep00-21swapper/022:54:380
96042270,3sleep00-21swapper/022:54:380
96042270,3sleep00-21swapper/022:54:380
877999277,10cyclictest21-21ksoftirqd/122:18:091
877999277,10cyclictest21-21ksoftirqd/121:12:071
877999277,10cyclictest21-21ksoftirqd/121:12:071
877999276,10cyclictest21-21ksoftirqd/123:41:291
877999276,10cyclictest21-21ksoftirqd/123:41:291
877999276,10cyclictest21-21ksoftirqd/123:41:291
8779992711,5cyclictest21-21ksoftirqd/100:21:121
8778992716,8cyclictest832-21systemd-journal21:31:110
87232275,12sleep00-21swapper/019:11:330
87232275,12sleep00-21swapper/019:11:330
301122270,11sleep2271ksoftirqd/220:11:112
237542270,2sleep30-21swapper/319:51:223
237542270,2sleep30-21swapper/319:51:223
877999268,7cyclictest21-21ksoftirqd/122:03:441
877999268,7cyclictest21-21ksoftirqd/122:03:441
877999268,7cyclictest21-21ksoftirqd/122:03:441
877999268,6cyclictest21-21ksoftirqd/122:38:151
877999268,6cyclictest21-21ksoftirqd/122:38:151
877999268,6cyclictest21-21ksoftirqd/122:38:151
877999267,6cyclictest21-21ksoftirqd/121:25:251
877999267,6cyclictest21-21ksoftirqd/121:25:251
877999267,6cyclictest21-21ksoftirqd/121:25:251
877999266,10cyclictest21-21ksoftirqd/123:24:361
877999266,10cyclictest21-21ksoftirqd/123:24:361
877999263,7cyclictest21-21ksoftirqd/120:11:121
877999263,7cyclictest21-21ksoftirqd/120:11:121
8779992617,6cyclictest19358-21ssh22:24:151
8779992617,6cyclictest19358-21ssh22:24:151
8779992617,6cyclictest19358-21ssh22:24:151
115972260,2sleep30-21swapper/319:21:123
115972260,2sleep30-21swapper/319:21:123
8780992514,9cyclictest29107-21ssh00:35:272
8780992514,9cyclictest29107-21ssh00:35:272
8780992514,8cyclictest32588-21kworker/u8:023:06:212
8780992514,8cyclictest32588-21kworker/u8:023:06:212
877999257,9cyclictest21-21ksoftirqd/100:10:351
877999257,9cyclictest21-21ksoftirqd/100:10:351
877999257,9cyclictest21-21ksoftirqd/100:10:351
877999257,6cyclictest21-21ksoftirqd/100:40:271
877999257,6cyclictest21-21ksoftirqd/100:40:271
877999256,11cyclictest21-21ksoftirqd/121:28:381
877999256,11cyclictest21-21ksoftirqd/121:28:381
877999253,5cyclictest21-21ksoftirqd/119:18:271
877999253,5cyclictest21-21ksoftirqd/119:18:271
877999251,7cyclictest987-21runrttasks22:43:291
877999251,7cyclictest987-21runrttasks22:43:291
877999251,7cyclictest987-21runrttasks22:43:291
8779992512,3cyclictest0-21swapper/120:07:231
8779992512,3cyclictest0-21swapper/120:07:231
8778992517,6cyclictest22929-21ssh23:46:520
8778992517,6cyclictest22929-21ssh23:46:520
8778992517,6cyclictest22929-21ssh23:46:520
8778992517,5cyclictest22696-21ssh22:27:400
8778992517,5cyclictest22696-21ssh22:27:400
8778992517,5cyclictest22696-21ssh22:27:400
320222250,2sleep00-21swapper/020:16:110
320222250,2sleep00-21swapper/020:16:110
204542250,4sleep120444-21unixbench_multi21:46:231
204542250,4sleep120444-21unixbench_multi21:46:231
204542250,4sleep120444-21unixbench_multi21:46:231
8780992415,6cyclictest31210-21sh23:21:142
8780992415,6cyclictest31210-21sh23:21:142
877999248,8cyclictest21-21ksoftirqd/121:37:571
877999248,8cyclictest21-21ksoftirqd/121:37:571
877999248,10cyclictest21-21ksoftirqd/121:17:431
877999248,10cyclictest21-21ksoftirqd/121:17:431
877999247,9cyclictest21-21ksoftirqd/122:53:251
877999247,9cyclictest21-21ksoftirqd/122:53:251
877999247,9cyclictest21-21ksoftirqd/122:53:251
877999247,9cyclictest21-21ksoftirqd/122:47:411
877999247,9cyclictest21-21ksoftirqd/122:47:411
877999247,9cyclictest21-21ksoftirqd/122:47:411
877999247,8cyclictest21-21ksoftirqd/123:01:491
877999247,8cyclictest21-21ksoftirqd/123:01:491
877999247,8cyclictest21-21ksoftirqd/100:18:131
877999247,8cyclictest21-21ksoftirqd/100:18:131
877999247,6cyclictest21-21ksoftirqd/123:29:081
877999247,6cyclictest21-21ksoftirqd/123:29:081
877999247,6cyclictest21-21ksoftirqd/123:15:131
877999247,6cyclictest21-21ksoftirqd/123:15:131
877999247,6cyclictest21-21ksoftirqd/121:56:471
877999247,6cyclictest21-21ksoftirqd/121:56:471
877999247,5cyclictest21-21ksoftirqd/100:15:321
877999247,5cyclictest21-21ksoftirqd/100:15:321
877999246,9cyclictest21-21ksoftirqd/123:34:201
877999246,9cyclictest21-21ksoftirqd/123:34:201
877999246,12cyclictest21-21ksoftirqd/122:33:541
877999246,12cyclictest21-21ksoftirqd/122:33:541
877999246,12cyclictest21-21ksoftirqd/122:33:541
877999246,10cyclictest21-21ksoftirqd/121:52:211
877999246,10cyclictest21-21ksoftirqd/121:52:211
877999246,10cyclictest21-21ksoftirqd/121:52:211
8779992418,4cyclictest201rcuc/119:26:061
8779992418,4cyclictest201rcuc/119:26:061
8779992416,4cyclictest201rcuc/100:27:391
8779992416,4cyclictest201rcuc/100:27:391
8779992416,4cyclictest201rcuc/100:27:391
8779992415,6cyclictest201rcuc/120:20:351
8779992415,6cyclictest201rcuc/120:20:351
877999241,4cyclictest21-21ksoftirqd/119:46:131
877899243,17cyclictest21543-21tune2fs00:26:100
8778992411,10cyclictest6927-21/usr/sbin/munin23:31:110
8778992411,10cyclictest6927-21/usr/sbin/munin23:31:110
878099232,16cyclictest21694-21perl23:46:132
878099232,16cyclictest21694-21perl23:46:132
878099232,16cyclictest21694-21perl23:46:132
877999238,9cyclictest21-21ksoftirqd/123:09:021
877999238,9cyclictest21-21ksoftirqd/123:09:021
877999238,8cyclictest21-21ksoftirqd/123:51:481
877999238,8cyclictest21-21ksoftirqd/123:51:481
877999237,6cyclictest21-21ksoftirqd/121:31:381
877999237,6cyclictest21-21ksoftirqd/121:31:381
877999236,9cyclictest21-21ksoftirqd/123:46:491
877999236,9cyclictest21-21ksoftirqd/123:46:491
877999236,9cyclictest21-21ksoftirqd/123:46:491
877999232,15cyclictest24468-21ls19:56:111
877999232,15cyclictest24468-21ls19:56:111
8779992317,4cyclictest21-21ksoftirqd/120:31:551
8779992317,4cyclictest21-21ksoftirqd/120:31:551
8779992316,5cyclictest201rcuc/121:04:441
8779992316,5cyclictest201rcuc/121:04:441
877999231,18cyclictest17881-21ssh00:21:181
877999231,18cyclictest17881-21ssh00:21:181
877899231,18cyclictest11272-21find19:21:090
877899231,18cyclictest11272-21find19:21:090
8778992310,10cyclictest17502-21if_eth023:41:150
8778992310,10cyclictest17502-21if_eth023:41:150
8778992310,10cyclictest17502-21if_eth023:41:150
290092230,3sleep20-21swapper/221:56:282
290092230,3sleep20-21swapper/221:56:282
277892230,3sleep20-21swapper/223:53:002
277892230,3sleep20-21swapper/223:53:002
878199225,10cyclictest0-21swapper/300:01:213
878199225,10cyclictest0-21swapper/300:01:213
878199225,10cyclictest0-21swapper/300:01:213
878099228,11cyclictest1368-40mandb00:01:042
878099228,11cyclictest1368-40mandb00:01:042
878099228,11cyclictest1368-40mandb00:01:042
878099221,17cyclictest674-21snmpd21:16:142
878099221,17cyclictest674-21snmpd21:16:142
877999227,5cyclictest21-21ksoftirqd/120:43:481
877999226,6cyclictest21-21ksoftirqd/119:38:081
877999226,6cyclictest21-21ksoftirqd/119:38:081
877999226,6cyclictest21-21ksoftirqd/119:38:081
877999225,7cyclictest21-21ksoftirqd/121:00:161
877999225,7cyclictest21-21ksoftirqd/121:00:161
877999221,5cyclictest21-21ksoftirqd/119:28:151
877999221,5cyclictest21-21ksoftirqd/119:28:151
8779992215,5cyclictest201rcuc/120:25:371
8779992215,5cyclictest201rcuc/120:25:371
8779992215,5cyclictest201rcuc/120:25:371
877999221,4cyclictest201rcuc/120:39:131
877999220,19cyclictest11800-21ls20:46:191
877999220,19cyclictest11800-21ls20:46:191
8778992215,5cyclictest38150irq/55-eth023:36:120
8778992215,5cyclictest38150irq/55-eth023:36:120
877899221,15cyclictest30287-21latency_hist21:21:050
877899221,15cyclictest30287-21latency_hist21:21:050
877899221,12cyclictest131rcu_preempt19:31:210
877899221,12cyclictest131rcu_preempt19:31:210
877899221,10cyclictest7210-21fschecks_count20:36:130
877899221,10cyclictest31650-21cron20:15:580
877899221,10cyclictest31650-21cron20:15:580
8778992210,9cyclictest0-21swapper/021:14:330
8778992210,9cyclictest0-21swapper/021:14:330
80252224,10sleep30-21swapper/319:11:163
80252224,10sleep30-21swapper/319:11:163
878099214,4cyclictest27-21ksoftirqd/221:41:132
878099211,3cyclictest0-21swapper/222:34:572
878099211,3cyclictest0-21swapper/222:34:572
878099211,3cyclictest0-21swapper/222:34:572
8780992113,6cyclictest674-21snmpd22:50:162
8780992113,6cyclictest674-21snmpd22:50:162
8780992113,6cyclictest674-21snmpd22:50:162
878099211,15cyclictest13662-21runrttasks00:16:172
878099211,15cyclictest13662-21runrttasks00:16:172
878099211,15cyclictest13662-21runrttasks00:16:172
878099211,11cyclictest5391-21cut20:31:132
878099211,11cyclictest5391-21cut20:31:132
878099211,11cyclictest13513-21gunzip20:51:232
878099211,11cyclictest13513-21gunzip20:51:232
877999216,5cyclictest21-21ksoftirqd/119:52:001
877999216,5cyclictest21-21ksoftirqd/119:52:001
877999216,5cyclictest21-21ksoftirqd/119:36:081
877999216,5cyclictest21-21ksoftirqd/119:36:081
877999215,5cyclictest21-21ksoftirqd/120:51:151
877999215,5cyclictest21-21ksoftirqd/120:51:151
877999213,5cyclictest21-21ksoftirqd/120:01:271
877999213,5cyclictest21-21ksoftirqd/120:01:271
877999213,5cyclictest21-21ksoftirqd/120:01:271
877899212,14cyclictest23308-21ssh23:11:170
877899212,14cyclictest23308-21ssh23:11:170
877899211,9cyclictest16409-21latency_hist21:01:080
877899211,9cyclictest16409-21latency_hist21:01:080
877899211,9cyclictest11504-21grep22:56:200
877899211,9cyclictest11504-21grep22:56:200
877899211,9cyclictest11504-21grep22:56:200
877899211,7cyclictest73-21kswapd021:46:120
8778992114,5cyclictest2442-21df21:26:110
8778992114,5cyclictest2442-21df21:26:110
877899211,17cyclictest2865-21ssh21:26:150
877899211,17cyclictest2865-21ssh21:26:150
8778992111,7cyclictest12-21ksoftirqd/019:46:130
877899211,15cyclictest18947-21sort19:41:120
877899211,15cyclictest18947-21sort19:41:120
877899211,14cyclictest26501-21timerandwakeup00:31:210
877899211,14cyclictest26501-21timerandwakeup00:31:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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