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2026-07-11 - 13:04
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot4.osadl.org (updated Sat Jul 11, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22502997712,5cyclictest0-21swapper/022:48:130
22515997615,34cyclictest29060-21df00:06:582
22502997611,31cyclictest0-21swapper/023:48:330
22502997611,31cyclictest0-21swapper/023:48:330
2250299758,33cyclictest0-21swapper/023:24:050
2250299746,62cyclictest0-21swapper/000:04:490
2250299737,32cyclictest0-21swapper/023:46:470
22515997216,50cyclictest26850-21/usr/sbin/munin18:52:062
2250299723,7cyclictest0-21swapper/020:57:240
22502997227,16cyclictest0-21swapper/020:46:340
2250299714,36cyclictest0-21swapper/019:07:070
22502997130,11cyclictest0-21swapper/023:54:500
22515997015,49cyclictest4688-21ssh23:34:202
22515997012,52cyclictest28035-21ssh22:39:562
2250299708,32cyclictest0-21swapper/022:24:030
2250299705,38cyclictest0-21swapper/018:52:160
22515996919,44cyclictest12828-21irqstats21:37:102
2250299693,35cyclictest4719-21ssh21:27:000
22515996817,45cyclictest23111-21/usr/sbin/munin18:42:202
22515996817,44cyclictest3810-21/usr/sbin/munin19:17:282
22515996816,46cyclictest21789-21df_inode22:32:022
2250299684,21cyclictest0-21swapper/023:28:590
22502996811,30cyclictest118582chrt21:36:340
2251599669,51cyclictest0-21swapper/221:05:532
2251599668,52cyclictest0-21swapper/223:24:252
22515996619,41cyclictest2632-21/usr/sbin/munin22:07:022
2250299664,8cyclictest0-21swapper/021:53:420
2250299664,25cyclictest0-21swapper/000:11:080
22515996520,39cyclictest25318-21/usr/sbin/munin00:02:012
22515996517,42cyclictest30589-21/usr/sbin/munin19:02:192
2251599645,53cyclictest0-21swapper/221:26:512
22515996421,37cyclictest23544-21/usr/sbin/munin23:17:022
22515996419,39cyclictest17134-21/usr/sbin/munin23:07:192
22515996417,41cyclictest29916-21fschecks_time21:17:042
22515996416,43cyclictest28287-21ssh21:14:352
2250299643,12cyclictest16460-21ls23:07:080
22515996318,39cyclictest1939-21/usr/sbin/munin19:12:162
22515996317,40cyclictest0-21swapper/223:43:172
2250299633,35cyclictest31985-21aten_rbpower_vo20:32:040
2251599626,50cyclictest0-21swapper/223:57:162
22515996219,9cyclictest22524-21/usr/sbin/munin20:07:242
22515996218,38cyclictest8529-21/usr/sbin/munin20:47:232
22515996218,38cyclictest8529-21/usr/sbin/munin20:47:232
22515996218,38cyclictest21692-21ssh23:13:542
22515996218,38cyclictest21227-21latency20:02:112
22515996218,38cyclictest18778-21/usr/sbin/munin19:57:142
22515996217,40cyclictest515-21ssh23:28:432
22515996217,39cyclictest12936-21/usr/sbin/munin23:02:142
22515996216,40cyclictest15907-21rt-features19:47:172
22515996215,41cyclictest21839-21ssh21:48:382
2250299623,38cyclictest0-21swapper/021:21:140
22515996120,9cyclictest17127-21ssh23:51:332
22515996120,9cyclictest17127-21ssh23:51:332
22515996119,36cyclictest29185-21ssh21:58:082
22515996118,38cyclictest29746-21iostat_ios22:42:062
22515996118,37cyclictest7173-21ssh22:55:172
22515996118,37cyclictest6178-21irqstats19:22:112
22515996118,37cyclictest18950-21ssh23:52:222
22515996118,37cyclictest0-21swapper/223:38:222
22515996117,9cyclictest16909-21/usr/sbin/munin19:52:182
22515996116,40cyclictest25652-21missed_timers18:47:152
22515996116,39cyclictest8360-21diskstats22:57:012
22515996116,39cyclictest14365-21fschecks_time22:22:052
22515996116,38cyclictest1832-21/usr/sbin/munin22:47:192
2250699614,51cyclictest0-21swapper/122:09:111
22515996017,9cyclictest12346-21sed20:52:222
22515996017,9cyclictest12346-21sed20:52:222
22515996017,37cyclictest10139-21ssh22:16:512
22515996016,38cyclictest18060-21fschecks_count22:27:032
22515996016,38cyclictest0-21swapper/222:14:122
22515995921,33cyclictest15989-21ssh21:41:522
22515995921,33cyclictest15989-21ssh21:41:522
22515995919,34cyclictest26266-21/usr/sbin/munin20:17:112
22515995919,34cyclictest24398-21/usr/sbin/munin20:12:222
22515995918,35cyclictest8676-21/usr/sbin/munin21:32:042
22515995918,35cyclictest31877-21/usr/sbin/munin20:32:072
22515995917,36cyclictest14870-21df20:57:042
22515995916,37cyclictest28299-21df_inode20:22:032
22515995916,37cyclictest11300-21/usr/sbin/munin19:37:072
22515995915,38cyclictest1374-21/usr/sbin/munin20:37:032
22515995914,40cyclictest0-21swapper/221:30:342
22515995914,39cyclictest13501-21perl19:42:122
22515995914,39cyclictest0-21swapper/221:08:382
22515995913,40cyclictest0-21swapper/220:42:012
22515995817,36cyclictest629-21snmpd19:27:222
22515995817,36cyclictest24226-21latency21:52:082
22515995817,35cyclictest30002-21/usr/sbin/munin20:27:212
22515995813,39cyclictest0-21swapper/222:03:052
2250699574,46cyclictest0-21swapper/121:55:121
22515995618,12cyclictest9415-21/usr/sbin/munin19:32:152
22515995615,35cyclictest629-21snmpd19:08:002
2250299564,46cyclictest0-21swapper/023:59:310
2250699554,45cyclictest0-21swapper/123:46:001
22652543,18sleep10-21swapper/122:06:391
2250699544,6cyclictest0-21swapper/123:31:201
2250299545,7cyclictest0-21swapper/023:17:210
22515995316,32cyclictest629-21snmpd19:01:122
2250699533,44cyclictest0-21swapper/121:03:241
22506995313,34cyclictest0-21swapper/121:59:131
22506995312,35cyclictest0-21swapper/122:27:141
2252399523,6cyclictest3512-21ssh22:50:313
2250699524,42cyclictest0-21swapper/123:38:201
2250699524,42cyclictest0-21swapper/121:08:331
2250699524,41cyclictest0-21swapper/122:52:011
2250699523,5cyclictest0-21swapper/100:07:491
2250699523,43cyclictest0-21swapper/123:05:471
2252399515,6cyclictest0-21swapper/322:12:023
2252399514,41cyclictest0-21swapper/321:32:163
2252399514,11cyclictest0-21swapper/322:58:113
2250699514,41cyclictest0-21swapper/121:49:131
2250299514,41cyclictest0-21swapper/020:52:340
2250299514,41cyclictest0-21swapper/020:52:340
2250299513,42cyclictest0-21swapper/021:38:130
2250299513,42cyclictest0-21swapper/020:22:050
2250299512,43cyclictest2497-21diskstats23:32:000
2250299512,43cyclictest16238-21diskstats21:42:030
2250299512,43cyclictest16238-21diskstats21:42:030
2252399508,36cyclictest13415-21ssh20:54:403
2252399508,36cyclictest13415-21ssh20:54:403
2250699506,38cyclictest0-21swapper/120:47:341
2250699506,38cyclictest0-21swapper/120:47:341
2250699504,40cyclictest0-21swapper/123:14:061
2250699504,40cyclictest0-21swapper/123:00:011
2250699503,42cyclictest0-21swapper/122:32:021
2250699503,41cyclictest0-21swapper/120:54:581
2250699503,41cyclictest0-21swapper/120:54:581
2250699503,40cyclictest0-21swapper/121:13:531
2250299504,40cyclictest0-21swapper/023:02:060
2250299504,40cyclictest0-21swapper/022:02:000
2252399497,36cyclictest23796-21df21:52:023
2252399493,40cyclictest0-21swapper/323:53:203
2250699493,9cyclictest0-21swapper/121:43:131
2250699493,9cyclictest0-21swapper/121:43:131
2250699493,41cyclictest0-21swapper/122:23:021
2250699493,40cyclictest11016-21ssh22:17:121
2250699493,40cyclictest0-21swapper/123:52:521
22506994912,5cyclictest0-21swapper/121:31:381
2250299493,41cyclictest0-21swapper/022:40:020
2250299493,41cyclictest0-21swapper/021:57:180
2250299493,40cyclictest0-21swapper/022:19:420
2252399485,37cyclictest0-21swapper/323:20:163
2252399484,38cyclictest0-21swapper/321:17:013
2252399484,38cyclictest0-21swapper/300:07:093
2252399484,37cyclictest0-21swapper/320:50:203
2252399484,37cyclictest0-21swapper/320:50:203
22523994810,33cyclictest12359-21wget21:37:023
2250699484,38cyclictest0-21swapper/123:24:121
2250699484,37cyclictest0-21swapper/122:36:521
22506994833,10cyclictest0-21swapper/122:16:321
2250699483,40cyclictest0-21swapper/120:27:231
2250699483,19cyclictest0-21swapper/120:58:321
22506994812,30cyclictest0-21swapper/121:20:571
22506994811,31cyclictest0-21swapper/120:45:371
22502994832,11cyclictest0-21swapper/023:38:300
2250299483,40cyclictest0-21swapper/020:03:450
2252399474,37cyclictest0-21swapper/323:40:073
2252399474,37cyclictest0-21swapper/321:05:373
2252399474,37cyclictest0-21swapper/320:42:473
2252399474,18cyclictest0-21swapper/322:33:013
2252399473,38cyclictest0-21swapper/322:20:123
22523994710,31cyclictest0-21swapper/322:06:083
2250699474,37cyclictest0-21swapper/123:33:121
2250699474,36cyclictest0-21swapper/122:46:111
2250699473,7cyclictest0-21swapper/119:02:361
2250699473,39cyclictest0-21swapper/123:19:311
22506994715,7cyclictest21532-21fschecks_count23:57:021
22506994711,30cyclictest0-21swapper/122:48:591
2250299474,38cyclictest0-21swapper/022:59:290
2250299474,37cyclictest0-21swapper/023:13:290
2250299473,9cyclictest0-21swapper/022:53:410
83112463,8sleep10-21swapper/119:27:181
2252399464,36cyclictest0-21swapper/323:23:073
2252399464,36cyclictest0-21swapper/322:43:553
2252399464,36cyclictest0-21swapper/321:23:583
2252399464,36cyclictest0-21swapper/321:10:113
22523994612,28cyclictest20849-21smart_sda21:47:183
2250699469,31cyclictest0-21swapper/123:48:461
2250699469,31cyclictest0-21swapper/123:48:461
2250699464,37cyclictest0-21swapper/118:42:151
2250699464,36cyclictest0-21swapper/121:39:191
2250699464,36cyclictest0-21swapper/121:24:131
2250699464,16cyclictest0-21swapper/121:35:001
2250699463,37cyclictest0-21swapper/123:06:511
2250299464,37cyclictest0-21swapper/021:02:150
2250299464,36cyclictest0-21swapper/021:25:090
2250299462,39cyclictest32666-21ssh22:46:410
22502994611,30cyclictest0-21swapper/021:12:070
2252399459,31cyclictest0-21swapper/322:24:443
2252399454,35cyclictest16259-21ssh23:49:433
2252399454,35cyclictest16259-21ssh23:49:433
2250699454,9cyclictest0-21swapper/118:57:231
2250699454,34cyclictest0-21swapper/100:02:121
2250299456,34cyclictest5527-21runrttasks22:10:310
2250299455,35cyclictest0-21swapper/021:09:110
2250299454,9cyclictest0-21swapper/018:57:090
2250299454,35cyclictest0-21swapper/020:50:000
2250299454,35cyclictest0-21swapper/020:50:000
2250299453,7cyclictest0-21swapper/019:58:450
2252399447,32cyclictest629-21snmpd23:08:443
2252399445,33cyclictest0-21swapper/323:03:543
2252399445,33cyclictest0-21swapper/322:55:503
2252399445,33cyclictest0-21swapper/322:01:183
2252399445,33cyclictest0-21swapper/321:15:053
2252399445,33cyclictest0-21swapper/320:59:453
2252399444,6cyclictest0-21swapper/323:32:133
2252399444,35cyclictest0-21swapper/321:30:233
2252399444,35cyclictest0-21swapper/300:05:003
2252399442,8cyclictest1054-21switchtime19:07:213
2250299445,33cyclictest0-21swapper/022:36:410
2250299445,33cyclictest0-21swapper/022:13:310
2250299443,8cyclictest26321-21tr20:17:040
2252399433,34cyclictest0-21swapper/318:42:563
22523994311,27cyclictest0-21swapper/322:29:263
2250299435,33cyclictest0-21swapper/022:30:350
2250299435,32cyclictest0-21swapper/021:48:230
2250299432,35cyclictest3022-21crond20:41:520
2250699423,34cyclictest0-21swapper/120:22:231
166692423,8sleep10-21swapper/119:51:411
2250299414,31cyclictest0-21swapper/019:49:260
2250299413,33cyclictest0-21swapper/020:31:020
2250299413,33cyclictest0-21swapper/019:28:090
2250299413,33cyclictest0-21swapper/019:02:540
2250299413,33cyclictest0-21swapper/018:43:060
2250299412,34cyclictest26109-21latency_hist20:16:530
34742403,8sleep30-21swapper/322:07:133
32182403,7sleep10-21swapper/119:12:251
282162403,8sleep10-21swapper/118:53:301
2252399404,11cyclictest0-21swapper/318:58:573
2250699403,31cyclictest0-21swapper/119:18:111
2250299403,33cyclictest0-21swapper/019:18:200
2217224016,18sleep20-21swapper/218:40:482
183352403,8sleep30-21swapper/319:54:163
145102403,32sleep10-21swapper/119:43:121
314812393,8sleep30-21swapper/320:29:493
2250299393,32cyclictest0-21swapper/019:38:100
2250299393,30cyclictest0-21swapper/019:13:080
147112393,7sleep30-21swapper/319:45:353
258442383,7sleep10-21swapper/120:14:261
2252399388,24cyclictest9919-21/usr/sbin/munin23:42:113
2252399384,30cyclictest0-21swapper/323:11:503
2250299384,28cyclictest0-21swapper/019:43:200
2250699373,30cyclictest0-21swapper/119:33:151
2211523613,17sleep30-21swapper/318:40:083
2197723611,18sleep00-21swapper/018:38:240
58402351,26sleep05849-21diskstats19:22:060
2250699353,26cyclictest0-21swapper/120:03:501
22506993524,7cyclictest16936-21tr19:52:031
2199523511,18sleep10-21swapper/118:38:381
27022343,26sleep30-21swapper/320:38:023
22523993421,8cyclictest25719-21tr18:47:163
2250699343,26cyclictest0-21swapper/119:07:471
22506993422,7cyclictest31877-21/usr/sbin/munin20:32:181
22523993322,6cyclictest17223-21ssh21:42:193
22523993322,6cyclictest17223-21ssh21:42:193
22523993321,8cyclictest6407-21grep19:22:153
2250699333,25cyclictest0-21swapper/120:07:061
2250699333,25cyclictest0-21swapper/120:00:451
22502993322,7cyclictest24173-21crond20:11:520
2252399325,22cyclictest0-21swapper/323:26:493
2252399324,23cyclictest0-21swapper/322:37:103
22523993221,7cyclictest18778-21/usr/sbin/munin19:57:033
2250699324,23cyclictest0-21swapper/119:38:301
277642313,8sleep30-21swapper/320:20:073
22523993120,7cyclictest23701-21grep20:07:223
22523993120,7cyclictest15777-21grep19:47:133
22523993116,10cyclictest0-21swapper/300:00:543
22523993114,10cyclictest21151-21/usr/sbin/munin20:02:113
2250699314,23cyclictest0-21swapper/119:23:271
22506993120,7cyclictest1374-21/usr/sbin/munin20:37:071
22502993119,7cyclictest17352-21if_err_eth219:52:090
22523993016,9cyclictest0-21swapper/319:28:183
22523993014,11cyclictest0-21swapper/319:02:223
22506993014,12cyclictest27296-21timerandwakeup20:17:211
22502993020,6cyclictest10545-21grep19:32:230
22523992912,12cyclictest0-21swapper/318:56:543
2250699294,21cyclictest0-21swapper/118:47:251
2250299292,22cyclictest25149-21df_inode18:47:060
2252399284,20cyclictest0-21swapper/319:18:023
22523992816,7cyclictest32740-21awk20:32:183
22523992811,12cyclictest0-21swapper/320:12:193
22523992716,7cyclictest28134-21/usr/sbin/munin20:22:023
22523992714,8cyclictest11645-21fschecks_time19:37:083
22523992713,9cyclictest0-21swapper/319:32:153
22523992712,10cyclictest2834-21/usr/sbin/munin19:12:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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