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2026-04-07 - 08:37
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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 highest latencies:
System rackbslot6.osadl.org (updated Tue Apr 07, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891950,4ptp4l401ktimersoftd/320:13:503
250722690,2sleep00-21swapper/000:43:580
156362690,2sleep00-21swapper/001:06:260
15162670,2sleep10-21swapper/122:39:281
302972640,2sleep10-21swapper/122:36:391
132372634,9sleep00-21swapper/020:12:380
152462590,2sleep21345099cyclictest23:27:232
106891590,1ptp4l401ktimersoftd/321:04:213
90642580,1sleep10-21swapper/122:14:271
193302570,2sleep10-21swapper/121:29:191
106891570,1ptp4l401ktimersoftd/301:39:113
106891550,1ptp4l401ktimersoftd/300:57:553
14942530,1sleep30-21swapper/322:39:263
106891530,13ptp4l4005-21kworker/3:201:06:043
263182520,2sleep30-21swapper/323:04:363
130572524,37sleep10-21swapper/120:10:171
106891500,0ptp4l401ktimersoftd/323:47:353
106891450,1ptp4l401ktimersoftd/322:00:483
106891450,1ptp4l401ktimersoftd/322:00:483
106891400,1ptp4l401ktimersoftd/320:59:143
106891390,2ptp4l4005-21kworker/3:200:28:403
106891390,1ptp4l401ktimersoftd/322:26:253
106891390,1ptp4l401ktimersoftd/321:33:583
106891390,1ptp4l401ktimersoftd/300:02:493
106682390,1sleep10-21swapper/101:34:211
106891380,1ptp4l401ktimersoftd/323:42:323
106891380,1ptp4l401ktimersoftd/323:36:373
106891380,1ptp4l401ktimersoftd/323:20:293
106891380,1ptp4l401ktimersoftd/323:15:063
106891380,1ptp4l401ktimersoftd/323:10:243
106891380,1ptp4l401ktimersoftd/323:03:023
106891380,1ptp4l401ktimersoftd/301:35:413
106891380,1ptp4l401ktimersoftd/301:31:123
106891380,1ptp4l401ktimersoftd/301:31:123
106891380,1ptp4l401ktimersoftd/301:11:333
106891380,1ptp4l401ktimersoftd/300:19:013
106891380,1ptp4l401ktimersoftd/300:12:353
106891380,1ptp4l401ktimersoftd/300:06:073
106891380,0ptp4l401ktimersoftd/301:27:063
106891370,1ptp4l401ktimersoftd/323:57:223
106891370,1ptp4l401ktimersoftd/322:58:403
106891370,1ptp4l401ktimersoftd/322:48:153
106891370,1ptp4l401ktimersoftd/322:32:043
106891370,1ptp4l401ktimersoftd/322:23:373
106891370,1ptp4l401ktimersoftd/320:58:583
106891370,1ptp4l401ktimersoftd/320:34:243
106891370,1ptp4l401ktimersoftd/300:41:493
106891370,1ptp4l401ktimersoftd/300:38:123
106891370,1ptp4l401ktimersoftd/300:29:073
106891370,0ptp4l401ktimersoftd/322:51:313
106891370,0ptp4l401ktimersoftd/322:15:173
106891360,3ptp4l4005-21kworker/3:201:19:113
106891360,1ptp4l401ktimersoftd/322:05:473
106891360,1ptp4l401ktimersoftd/301:14:513
106891360,1ptp4l401ktimersoftd/300:45:113
106891360,1ptp4l401ktimersoftd/300:19:043
106891360,0ptp4l401ktimersoftd/323:29:443
106891360,0ptp4l401ktimersoftd/301:01:433
301882350,4sleep21345099cyclictest01:21:012
106891350,2ptp4l3110-21kworker/3:220:23:453
106891350,2ptp4l3110-21kworker/3:220:23:453
106891350,1ptp4l401ktimersoftd/322:37:153
106891340,2ptp4l4005-21kworker/3:223:25:573
106891320,1ptp4l401ktimersoftd/323:50:183
106891320,1ptp4l401ktimersoftd/323:50:183
106891320,1ptp4l401ktimersoftd/322:10:353
106891320,1ptp4l401ktimersoftd/320:53:293
106891320,0ptp4l401ktimersoftd/320:43:503
13450993126,3cyclictest33-21ksoftirqd/222:13:592
13450993125,3cyclictest33-21ksoftirqd/201:12:002
106891310,9ptp4l401ktimersoftd/320:17:263
106891310,1ptp4l401ktimersoftd/321:16:373
13450993025,3cyclictest33-21ksoftirqd/222:23:592
13450993025,3cyclictest33-21ksoftirqd/200:34:022
13450993023,5cyclictest33-21ksoftirqd/201:39:082
13450993022,5cyclictest33-21ksoftirqd/220:18:572
106891300,0ptp4l401ktimersoftd/321:42:343
106891300,0ptp4l401ktimersoftd/321:10:333
16072290,5sleep11344599cyclictest23:45:411
120362295,10sleep20-21swapper/220:09:172
13459992823,3cyclictest41-21ksoftirqd/321:23:583
1345099287,13cyclictest16622-21ssh23:29:132
13450992822,3cyclictest33-21ksoftirqd/220:39:102
13450992821,5cyclictest33-21ksoftirqd/222:29:292
13450992820,4cyclictest33-21ksoftirqd/200:09:142
13445992822,3cyclictest24967-21sendmail21:43:581
13459992720,4cyclictest41-21ksoftirqd/321:53:503
13450992722,3cyclictest33-21ksoftirqd/201:34:182
13450992722,3cyclictest33-21ksoftirqd/200:34:252
13450992721,3cyclictest33-21ksoftirqd/223:34:132
13450992721,3cyclictest33-21ksoftirqd/222:54:272
13450992721,3cyclictest33-21ksoftirqd/201:29:032
13450992720,5cyclictest33-21ksoftirqd/223:54:152
13450992720,4cyclictest33-21ksoftirqd/220:28:342
13445992720,4cyclictest25-21ksoftirqd/120:47:071
13440992715,7cyclictest46950irq/100-ens3-Tx23:59:130
106891270,1ptp4l401ktimersoftd/300:49:303
13459992611,3cyclictest230972sed20:29:243
13450992621,3cyclictest33-21ksoftirqd/223:59:172
13450992621,3cyclictest33-21ksoftirqd/220:34:252
13450992621,3cyclictest33-21ksoftirqd/201:04:222
13450992620,3cyclictest33-21ksoftirqd/222:44:192
13450992620,3cyclictest33-21ksoftirqd/220:18:572
13450992620,3cyclictest33-21ksoftirqd/220:18:572
13450992620,3cyclictest33-21ksoftirqd/200:39:212
13450992619,3cyclictest33-21ksoftirqd/223:49:202
13450992619,3cyclictest33-21ksoftirqd/223:49:202
13450992612,11cyclictest2033-21cstates23:14:162
13445992619,4cyclictest9400-21ssh00:27:351
13445992619,4cyclictest25-21ksoftirqd/122:06:241
13440992619,4cyclictest9-21ksoftirqd/020:58:270
106891260,1ptp4l401ktimersoftd/321:55:093
106891260,0ptp4l401ktimersoftd/320:46:403
224202250,5sleep01344099cyclictest01:14:050
1920322518,3sleep125-21ksoftirqd/123:30:491
13450992520,3cyclictest33-21ksoftirqd/223:39:152
13450992520,3cyclictest33-21ksoftirqd/221:39:162
13450992520,3cyclictest33-21ksoftirqd/221:26:252
13450992519,3cyclictest33-21ksoftirqd/222:26:092
13450992519,3cyclictest33-21ksoftirqd/221:44:162
13450992519,3cyclictest33-21ksoftirqd/220:44:582
13450992518,4cyclictest33-21ksoftirqd/221:19:402
13450992512,10cyclictest2792-21sh00:54:132
13445992519,3cyclictest25-21ksoftirqd/123:54:331
13445992518,5cyclictest25-21ksoftirqd/101:28:561
13445992518,4cyclictest25-21ksoftirqd/120:37:081
13445992518,4cyclictest20114-21ssh00:38:511
13440992520,3cyclictest9-21ksoftirqd/000:14:140
13440992519,3cyclictest9-21ksoftirqd/021:25:270
13440992519,3cyclictest9-21ksoftirqd/021:06:130
13440992518,4cyclictest9-21ksoftirqd/020:59:230
13440992518,4cyclictest9-21ksoftirqd/000:06:160
106891250,1ptp4l401ktimersoftd/321:45:523
106891250,0ptp4l401ktimersoftd/320:26:383
308052240,5sleep230807-21fschecks_time00:49:182
1345099244,14cyclictest32065-21ssh22:39:082
13450992419,3cyclictest33-21ksoftirqd/200:19:162
13450992418,3cyclictest33-21ksoftirqd/222:35:312
13450992418,3cyclictest33-21ksoftirqd/221:17:172
13450992417,4cyclictest33-21ksoftirqd/223:09:132
13450992417,4cyclictest33-21ksoftirqd/222:06:212
13450992417,4cyclictest33-21ksoftirqd/220:55:032
13450992412,7cyclictest33-21ksoftirqd/223:44:132
1344599249,4cyclictest308042grep00:49:181
13445992418,4cyclictest25-21ksoftirqd/121:10:081
13445992418,3cyclictest25-21ksoftirqd/121:56:571
13445992418,3cyclictest25-21ksoftirqd/101:06:461
13445992417,4cyclictest25-21ksoftirqd/122:10:421
13445992417,4cyclictest25-21ksoftirqd/121:36:451
13445992412,3cyclictest22533-21sh23:34:211
13440992419,3cyclictest9-21ksoftirqd/023:11:020
13440992419,3cyclictest9-21ksoftirqd/000:55:540
13440992418,3cyclictest9-21ksoftirqd/020:49:070
13440992418,3cyclictest9-21ksoftirqd/020:45:580
13440992418,3cyclictest9-21ksoftirqd/020:28:030
13440992418,3cyclictest9-21ksoftirqd/001:11:270
106891240,1ptp4l401ktimersoftd/321:34:093
106891240,1ptp4l401ktimersoftd/321:24:113
319932230,2sleep10-21swapper/123:10:521
172592230,4sleep017263-21switchtime00:34:300
13450992318,3cyclictest33-21ksoftirqd/222:49:142
13450992318,3cyclictest33-21ksoftirqd/200:44:202
13450992317,3cyclictest33-21ksoftirqd/220:29:142
13450992317,3cyclictest33-21ksoftirqd/201:33:262
13450992317,3cyclictest33-21ksoftirqd/201:33:262
13450992316,4cyclictest33-21ksoftirqd/221:10:532
13450992310,6cyclictest321ktimersoftd/221:34:092
1344599237,7cyclictest25-21ksoftirqd/122:49:161
13445992317,3cyclictest25-21ksoftirqd/121:26:221
13445992316,4cyclictest25-21ksoftirqd/121:05:501
13440992318,3cyclictest9-21ksoftirqd/023:14:170
13440992318,3cyclictest9-21ksoftirqd/001:39:080
13440992318,3cyclictest9-21ksoftirqd/000:09:330
13440992317,3cyclictest9-21ksoftirqd/021:13:080
13440992317,3cyclictest9-21ksoftirqd/020:17:200
13440992316,4cyclictest9-21ksoftirqd/023:04:130
13440992316,4cyclictest9-21ksoftirqd/022:49:350
13440992316,4cyclictest9-21ksoftirqd/021:37:570
13440992316,4cyclictest9-21ksoftirqd/000:25:190
13445992217,3cyclictest25-21ksoftirqd/101:15:301
13445992216,4cyclictest25-21ksoftirqd/123:08:031
13445992216,4cyclictest25-21ksoftirqd/121:03:491
13445992216,4cyclictest25-21ksoftirqd/120:42:181
13445992215,4cyclictest25-21ksoftirqd/121:15:421
13445992215,4cyclictest25-21ksoftirqd/100:16:491
13440992216,4cyclictest9-21ksoftirqd/023:39:050
13440992216,4cyclictest9-21ksoftirqd/021:42:020
13440992216,4cyclictest27237-21grep00:44:300
13440992216,3cyclictest9-21ksoftirqd/022:20:410
13440992216,3cyclictest9-21ksoftirqd/021:49:440
13440992216,3cyclictest9-21ksoftirqd/020:19:580
13440992216,3cyclictest9-21ksoftirqd/020:19:580
13440992214,6cyclictest7679-21ssh00:59:120
1344099221,18cyclictest15313-21cat21:23:580
13440992211,3cyclictest9-21ksoftirqd/023:21:230
13450992116,3cyclictest33-21ksoftirqd/223:04:192
13450992116,3cyclictest33-21ksoftirqd/220:52:002
13450992116,3cyclictest33-21ksoftirqd/201:16:522
13450992115,3cyclictest33-21ksoftirqd/223:19:182
13450992115,3cyclictest33-21ksoftirqd/200:59:212
13450992114,4cyclictest33-21ksoftirqd/221:56:502
13450992114,4cyclictest31604-21sh00:16:512
13450992113,5cyclictest29708-21cron21:53:582
13450992113,4cyclictest19941-21ptp4l00:04:242
1344599213,14cyclictest26589-21apt-get23:39:131
13445992116,3cyclictest25-21ksoftirqd/123:14:581
13445992116,3cyclictest25-21ksoftirqd/122:29:091
13445992116,3cyclictest25-21ksoftirqd/120:52:491
13445992115,3cyclictest25-21ksoftirqd/121:49:061
13445992114,4cyclictest25-21ksoftirqd/120:57:191
13445992114,4cyclictest22188-21sh00:07:261
13445992113,5cyclictest7888-21sh00:59:161
1344099218,10cyclictest1055-21runrttasks01:19:190
1344099214,14cyclictest26057-21latency_hist23:39:010
13440992116,3cyclictest9-21ksoftirqd/000:49:240
13440992115,3cyclictest4904-21cat22:09:130
13440992115,3cyclictest26516-21cut21:44:190
13440992115,3cyclictest11963-21expr23:24:150
13440992114,4cyclictest9-21ksoftirqd/021:16:250
13440992114,4cyclictest31489-21timerandwakeup21:54:260
13440992114,4cyclictest24201-21sh22:29:410
13440992113,4cyclictest4220-21latency_hist22:44:000
179662200,2sleep10-21swapper/122:57:121
1345099202,15cyclictest361-21sed21:59:142
1345099202,15cyclictest361-21sed21:59:142
13450992014,3cyclictest33-21ksoftirqd/221:33:582
13450992013,4cyclictest7273-21sh22:14:052
13450992013,4cyclictest19975-21hddtemp_smartct22:59:172
13445992014,4cyclictest26559-21sendmail_mailst21:44:201
13445992014,4cyclictest19254-21/usr/sbin/munin20:24:171
13445992014,4cyclictest16036-21phc2sys01:39:241
13445992014,4cyclictest12443-21ps23:24:201
13445992014,3cyclictest3868-21sh23:49:111
13445992014,3cyclictest3868-21sh23:49:111
13445992014,3cyclictest27318-21sh01:19:051
13445992014,3cyclictest25460-21sh00:09:411
13445992014,3cyclictest25-21ksoftirqd/120:31:331
13445992014,3cyclictest20063-21sh01:10:391
13445992014,3cyclictest13248-21cpuspeed_turbos21:19:101
1344599201,3cyclictest5659-21ssh00:56:071
13445992013,4cyclictest4562-21/usr/sbin/munin22:44:141
13445992013,4cyclictest22089-21sh23:00:491
13445992013,4cyclictest19027-21idleruntime-cro20:23:561
13445992013,4cyclictest19027-21idleruntime-cro20:23:561
13445992013,4cyclictest13753-21mailstats22:19:231
13445992012,5cyclictest18896-21timerandwakeup22:24:301
13440992015,3cyclictest9-21ksoftirqd/022:14:080
13440992014,4cyclictest9-21ksoftirqd/023:00:470
13440992014,3cyclictest9-21ksoftirqd/021:33:430
13440992014,3cyclictest27368-21expr22:34:120
13440992014,3cyclictest25208-21sed20:34:160
13440992013,4cyclictest26947-21grep20:39:120
13440992013,4cyclictest10843-21sh00:29:160
13440992013,4cyclictest10122-21sh01:34:180
1345099194,9cyclictest3707-21apt-get20:59:082
13450991914,3cyclictest33-21ksoftirqd/221:05:312
13450991912,4cyclictest5588-21sh00:24:032
1344599198,8cyclictest25938-21fschecks_time00:44:181
13445991913,4cyclictest47050irq/101-ens3-Tx23:59:131
13445991913,4cyclictest10854-21ls00:29:161
13445991913,3cyclictest8557-21awk23:19:281
13445991913,3cyclictest7910-21sh01:31:371
13445991913,3cyclictest7910-21sh01:31:371
13445991913,3cyclictest2918-21sh00:19:531
13445991913,3cyclictest20637-21apt-get00:39:141
13440991914,3cyclictest32318-21/usr/sbin/munin01:24:240
13440991913,4cyclictest3849-21seq23:49:090
13440991913,4cyclictest3849-21seq23:49:090
13440991913,4cyclictest1176-21fschecks_count00:19:180
13440991913,3cyclictest9-21ksoftirqd/023:31:470
13440991913,3cyclictest4639-21apt22:44:120
13440991913,3cyclictest2974-21if_err_ens322:04:190
13440991913,3cyclictest23845-21apt-config20:33:570
13440991913,3cyclictest14932-21sh22:54:160
13440991912,4cyclictest9-21ksoftirqd/022:01:170
13440991912,4cyclictest9-21ksoftirqd/022:01:170
13440991912,4cyclictest32524-21load23:44:200
13445991813,3cyclictest13622-21/usr/sbin/munin20:14:161
13445991812,3cyclictest1430-21timerandwakeup21:59:261
13445991812,3cyclictest1430-21timerandwakeup21:59:261
13440991812,3cyclictest6779-21diskmemload01:29:270
13440991812,3cyclictest6779-21diskmemload01:29:270
13440991812,3cyclictest17745-21gltestperf22:24:180
13440991811,4cyclictest6779-21diskmemload23:54:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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