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2026-04-08 - 20:11
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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 rack4slot4.osadl.org (updated Wed Apr 08, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71660rcu_preempt0-21swapper/111:47:221
71660rcu_preempt0-21swapper/111:47:221
71640rcu_preempt0-21swapper/210:07:202
71640rcu_preempt0-21swapper/210:07:202
71540rcu_preempt0-21swapper/311:10:213
71540rcu_preempt0-21swapper/311:10:213
3113999544cyclictest11802-21apt-get10:32:220
3113999544cyclictest11802-21apt-get10:32:220
3113999544cyclictest11802-21apt-get10:32:220
3113999523cyclictest0-21swapper/007:42:360
3113999523cyclictest0-21swapper/007:42:360
3113999523cyclictest0-21swapper/007:42:360
3113999513cyclictest0-21swapper/009:43:290
3113999513cyclictest0-21swapper/009:43:290
3113999513cyclictest0-21swapper/009:43:290
3113999513cyclictest0-21swapper/009:02:400
3113999513cyclictest0-21swapper/009:02:400
3113999513cyclictest0-21swapper/007:47:260
3113999513cyclictest0-21swapper/007:47:260
3113999512cyclictest28140-21diskstats10:02:280
3113999512cyclictest28140-21diskstats10:02:280
3113999512cyclictest28140-21diskstats10:02:280
31139995111cyclictest5510-21sendmail-msp09:25:400
31139995111cyclictest5510-21sendmail-msp09:25:400
3113999503cyclictest14078-21apt-get08:07:210
3113999503cyclictest14078-21apt-get08:07:210
3113999503cyclictest0-21swapper/012:30:020
3113999503cyclictest0-21swapper/012:30:020
3113999503cyclictest0-21swapper/012:30:020
3113999503cyclictest0-21swapper/011:28:330
3113999503cyclictest0-21swapper/011:28:330
3113999503cyclictest0-21swapper/010:48:390
3113999503cyclictest0-21swapper/010:48:390
3113999503cyclictest0-21swapper/010:48:390
3113999503cyclictest0-21swapper/009:50:020
3113999503cyclictest0-21swapper/009:50:020
3113999503cyclictest0-21swapper/009:50:020
3113999503cyclictest0-21swapper/009:16:310
3113999503cyclictest0-21swapper/009:16:310
3113999503cyclictest0-21swapper/009:16:310
3113999503cyclictest0-21swapper/008:27:290
3113999503cyclictest0-21swapper/008:27:290
3113999503cyclictest0-21swapper/008:12:280
3113999503cyclictest0-21swapper/008:12:280
3113999503cyclictest0-21swapper/007:52:240
3113999503cyclictest0-21swapper/007:52:240
3113999502cyclictest14375-21memory09:37:350
3113999502cyclictest14375-21memory09:37:350
3113999493cyclictest0-21swapper/012:35:370
3113999493cyclictest0-21swapper/012:35:370
3113999493cyclictest0-21swapper/012:02:410
3113999493cyclictest0-21swapper/012:02:410
3113999493cyclictest0-21swapper/011:02:420
3113999493cyclictest0-21swapper/011:02:420
3113999493cyclictest0-21swapper/010:42:360
3113999493cyclictest0-21swapper/010:42:360
3113999493cyclictest0-21swapper/010:16:320
3113999493cyclictest0-21swapper/010:16:320
3113999493cyclictest0-21swapper/008:32:380
3113999493cyclictest0-21swapper/008:32:380
3113999493cyclictest0-21swapper/007:22:240
3113999493cyclictest0-21swapper/007:22:240
3113999493cyclictest0-21swapper/007:22:240
3113999493cyclictest0-21swapper/007:12:250
3113999493cyclictest0-21swapper/007:12:250
3113999491cyclictest32249-21aten_r4power_vo12:07:250
3113999491cyclictest32249-21aten_r4power_vo12:07:250
3113999491cyclictest32249-21aten_r4power_vo12:07:250
3113999491cyclictest24242-21memory08:42:340
3113999491cyclictest24242-21memory08:42:340
31139994917cyclictest8953-21latency_hist10:27:140
31139994917cyclictest8953-21latency_hist10:27:140
31139994917cyclictest0-21swapper/011:57:120
31139994917cyclictest0-21swapper/011:57:120
3113999483cyclictest18305-21munin-run11:42:130
3113999483cyclictest18305-21munin-run11:42:130
3113999483cyclictest18305-21munin-run11:42:130
3113999483cyclictest0-21swapper/012:42:140
3113999483cyclictest0-21swapper/012:42:140
3113999483cyclictest0-21swapper/011:47:350
3113999483cyclictest0-21swapper/011:47:350
3113999483cyclictest0-21swapper/011:44:360
3113999483cyclictest0-21swapper/011:44:360
3113999483cyclictest0-21swapper/011:44:360
3113999483cyclictest0-21swapper/011:26:150
3113999483cyclictest0-21swapper/011:26:150
3113999483cyclictest0-21swapper/011:08:400
3113999483cyclictest0-21swapper/011:08:400
3113999483cyclictest0-21swapper/010:59:340
3113999483cyclictest0-21swapper/010:59:340
3113999483cyclictest0-21swapper/010:59:340
3113999483cyclictest0-21swapper/010:37:290
3113999483cyclictest0-21swapper/010:37:290
3113999483cyclictest0-21swapper/010:02:020
3113999483cyclictest0-21swapper/010:02:020
3113999483cyclictest0-21swapper/010:02:020
3113999483cyclictest0-21swapper/010:02:020
3113999483cyclictest0-21swapper/009:35:380
3113999483cyclictest0-21swapper/009:35:380
3113999483cyclictest0-21swapper/009:17:330
3113999483cyclictest0-21swapper/009:17:330
3113999483cyclictest0-21swapper/009:17:330
3113999483cyclictest0-21swapper/007:37:120
3113999483cyclictest0-21swapper/007:37:120
3113999482cyclictest1959-21runrttasks11:59:580
3113999482cyclictest1959-21runrttasks11:59:580
3113999482cyclictest1959-21runrttasks11:59:580
3113999482cyclictest10034-21grep10:27:430
3113999482cyclictest10034-21grep10:27:430
3113999481cyclictest1958-21snmpd12:21:440
3113999481cyclictest1958-21snmpd12:21:440
31139994816cyclictest18669-21meminfo08:22:340
31139994816cyclictest18669-21meminfo08:22:340
31139994813cyclictest8804-21memory09:27:360
31139994813cyclictest8804-21memory09:27:360
31139994813cyclictest23095-21df10:52:270
31139994813cyclictest23095-21df10:52:270
3113999473cyclictest0-21swapper/011:37:110
3113999473cyclictest0-21swapper/011:37:110
3113999473cyclictest0-21swapper/011:18:320
3113999473cyclictest0-21swapper/011:18:320
3113999473cyclictest0-21swapper/011:18:320
3113999473cyclictest0-21swapper/011:12:410
3113999473cyclictest0-21swapper/011:12:410
3113999473cyclictest0-21swapper/007:27:390
3113999473cyclictest0-21swapper/007:27:390
3113999472cyclictest8074-1kworker/0:5H08:02:400
3113999472cyclictest8074-1kworker/0:5H08:02:400
3113999472cyclictest8074-1kworker/0:5H08:02:400
3113999471cyclictest0-21swapper/010:18:190
3113999471cyclictest0-21swapper/010:18:190
3113999471cyclictest0-21swapper/010:18:190
31139994715cyclictest18892-1kworker/0:2H09:52:410
31139994715cyclictest18892-1kworker/0:2H09:52:410
31139994713cyclictest9162-21ssh12:22:560
31139994713cyclictest9162-21ssh12:22:560
31139994713cyclictest9162-21ssh12:22:560
71460rcu_preempt17877-1kworker/3:0H09:52:413
71460rcu_preempt17877-1kworker/3:0H09:52:413
71460rcu_preempt0-21swapper/112:25:281
71460rcu_preempt0-21swapper/112:25:281
71460rcu_preempt0-21swapper/112:25:281
3113999462cyclictest32358-21ssh10:10:200
3113999462cyclictest32358-21ssh10:10:200
3113999462cyclictest32358-21ssh10:10:200
3113999462cyclictest32358-21ssh10:10:200
31139994614cyclictest0-21swapper/008:52:130
31139994614cyclictest0-21swapper/008:52:130
31139994614cyclictest0-21swapper/008:17:380
31139994614cyclictest0-21swapper/008:17:380
31139994614cyclictest0-21swapper/008:17:380
31139994611cyclictest23744-21sed08:42:140
31139994611cyclictest23744-21sed08:42:140
31139994611cyclictest23744-21sed08:42:140
3113999452cyclictest0-21swapper/009:02:170
3113999452cyclictest0-21swapper/009:02:170
3113999452cyclictest0-21swapper/007:17:350
3113999452cyclictest0-21swapper/007:17:350
31139994514cyclictest0-21swapper/012:12:240
31139994514cyclictest0-21swapper/012:12:240
71440rcu_preempt29784-21taskset07:07:230
71440rcu_preempt29784-21taskset07:07:230
71440rcu_preempt29784-21taskset07:07:230
71440rcu_preempt0-21swapper/212:32:232
71440rcu_preempt0-21swapper/212:32:232
3113999443cyclictest0-21swapper/008:02:110
3113999443cyclictest0-21swapper/008:02:110
31139994412cyclictest0-21swapper/007:42:140
31139994412cyclictest0-21swapper/007:42:140
71430rcu_preempt13777-21latency_hist09:37:141
71430rcu_preempt13777-21latency_hist09:37:141
71430rcu_preempt0-21swapper/110:04:481
71430rcu_preempt0-21swapper/110:04:481
71430rcu_preempt0-21swapper/110:04:481
71420rcu_preempt9583-21sh11:26:132
71420rcu_preempt9583-21sh11:26:132
71420rcu_preempt0-21swapper/211:47:472
71420rcu_preempt0-21swapper/211:47:472
71420rcu_preempt0-21swapper/111:22:161
71420rcu_preempt0-21swapper/111:22:161
71420rcu_preempt0-21swapper/111:22:161
31139994210cyclictest26627-21apt08:52:220
31139994210cyclictest26627-21apt08:52:220
46450410irq/118-QManpo30013-2110:48:552
46450410irq/118-QManpo30013-2110:48:552
46450410irq/118-QManpo30013-2110:48:552
3113999414cyclictest0-21swapper/009:07:310
3113999414cyclictest0-21swapper/009:07:310
71400rcu_preempt0-21swapper/211:28:032
71400rcu_preempt0-21swapper/211:28:032
71400rcu_preempt0-21swapper/111:26:561
71400rcu_preempt0-21swapper/111:26:561
71400rcu_preempt0-21swapper/110:50:381
71400rcu_preempt0-21swapper/110:50:381
71400rcu_preempt0-21swapper/110:50:381
71400rcu_preempt0-21swapper/109:22:541
71400rcu_preempt0-21swapper/109:22:541
71400rcu_preempt0-21swapper/107:12:201
71400rcu_preempt0-21swapper/107:12:201
71390rcu_preempt8040-1kworker/2:0H12:22:262
71390rcu_preempt8040-1kworker/2:0H12:22:262
71390rcu_preempt8040-1kworker/2:0H12:22:262
71390rcu_preempt7023-21copy07:42:243
71390rcu_preempt7023-21copy07:42:243
71390rcu_preempt7023-21copy07:42:243
71390rcu_preempt30833-21/usr/sbin/munin10:07:292
71390rcu_preempt30833-21/usr/sbin/munin10:07:292
71390rcu_preempt30833-21/usr/sbin/munin10:07:292
71390rcu_preempt30833-21/usr/sbin/munin10:07:292
71390rcu_preempt2725-21sh11:12:562
71390rcu_preempt2725-21sh11:12:562
71390rcu_preempt1699migration/111:35:011
71390rcu_preempt1699migration/111:35:011
71390rcu_preempt0-21swapper/111:27:381
71390rcu_preempt0-21swapper/111:27:381
71390rcu_preempt0-21swapper/111:05:101
71390rcu_preempt0-21swapper/111:05:101
71380rcu_preempt737-21kworker/1:010:13:311
71380rcu_preempt737-21kworker/1:010:13:311
71380rcu_preempt18603-21ssh09:45:131
71380rcu_preempt18603-21ssh09:45:131
71380rcu_preempt18603-21ssh09:45:131
71380rcu_preempt0-21swapper/310:12:403
71380rcu_preempt0-21swapper/310:12:403
71380rcu_preempt0-21swapper/210:22:222
71380rcu_preempt0-21swapper/210:22:222
71380rcu_preempt0-21swapper/210:05:442
71380rcu_preempt0-21swapper/109:50:021
71380rcu_preempt0-21swapper/109:50:021
71380rcu_preempt0-21swapper/109:50:021
71380rcu_preempt0-21swapper/109:38:591
71380rcu_preempt0-21swapper/109:38:591
71380rcu_preempt0-21swapper/109:03:481
71380rcu_preempt0-21swapper/109:03:481
71380rcu_preempt0-21swapper/107:42:241
71380rcu_preempt0-21swapper/107:42:241
71380rcu_preempt0-21swapper/107:42:241
71380rcu_preempt0-21swapper/107:23:561
71380rcu_preempt0-21swapper/107:23:561
71380rcu_preempt0-21swapper/107:23:561
46650380irq/116-QManpo31034-2110:48:553
46650380irq/116-QManpo31034-2110:48:553
46650380irq/116-QManpo31034-2110:48:553
71370rcu_preempt6350-21ssh10:22:162
71370rcu_preempt6350-21ssh10:22:162
71370rcu_preempt6350-21ssh10:22:162
71370rcu_preempt0-21swapper/311:31:263
71370rcu_preempt0-21swapper/311:31:263
71370rcu_preempt0-21swapper/210:54:182
71370rcu_preempt0-21swapper/210:54:182
71370rcu_preempt0-21swapper/210:12:502
71370rcu_preempt0-21swapper/210:12:502
71370rcu_preempt0-21swapper/112:15:431
71370rcu_preempt0-21swapper/112:15:431
71370rcu_preempt0-21swapper/111:41:321
71370rcu_preempt0-21swapper/111:41:321
71370rcu_preempt0-21swapper/111:41:321
71370rcu_preempt0-21swapper/111:10:001
71370rcu_preempt0-21swapper/111:10:001
71370rcu_preempt0-21swapper/110:45:461
71370rcu_preempt0-21swapper/110:45:461
71370rcu_preempt0-21swapper/108:41:441
71370rcu_preempt0-21swapper/108:41:441
71370rcu_preempt0-21swapper/108:41:441
71360rcu_preempt26980-21runrttasks10:00:211
71360rcu_preempt26980-21runrttasks10:00:211
71360rcu_preempt26980-21runrttasks10:00:211
71360rcu_preempt26980-21runrttasks10:00:211
71360rcu_preempt1958-21snmpd08:32:212
71360rcu_preempt1958-21snmpd08:32:212
71360rcu_preempt1256-1kworker/1:0H12:19:161
71360rcu_preempt1256-1kworker/1:0H12:19:161
71360rcu_preempt0-21swapper/312:30:163
71360rcu_preempt0-21swapper/312:30:163
71360rcu_preempt0-21swapper/312:30:163
71360rcu_preempt0-21swapper/212:29:202
71360rcu_preempt0-21swapper/212:29:202
71360rcu_preempt0-21swapper/212:29:202
71360rcu_preempt0-21swapper/211:09:022
71360rcu_preempt0-21swapper/211:09:022
71360rcu_preempt0-21swapper/210:43:332
71360rcu_preempt0-21swapper/210:43:332
71360rcu_preempt0-21swapper/210:01:512
71360rcu_preempt0-21swapper/210:01:512
71360rcu_preempt0-21swapper/210:01:512
71360rcu_preempt0-21swapper/210:01:512
71360rcu_preempt0-21swapper/209:24:372
71360rcu_preempt0-21swapper/209:24:372
71360rcu_preempt0-21swapper/209:14:322
71360rcu_preempt0-21swapper/209:14:322
71360rcu_preempt0-21swapper/209:14:322
71360rcu_preempt0-21swapper/112:40:251
71360rcu_preempt0-21swapper/112:40:251
71360rcu_preempt0-21swapper/112:36:421
71360rcu_preempt0-21swapper/112:36:421
71360rcu_preempt0-21swapper/112:10:501
71360rcu_preempt0-21swapper/112:10:501
71360rcu_preempt0-21swapper/112:10:501
71360rcu_preempt0-21swapper/111:56:151
71360rcu_preempt0-21swapper/111:56:151
71360rcu_preempt0-21swapper/110:23:161
71360rcu_preempt0-21swapper/110:23:161
71360rcu_preempt0-21swapper/110:18:591
71360rcu_preempt0-21swapper/110:18:591
71360rcu_preempt0-21swapper/110:18:591
71360rcu_preempt0-21swapper/110:09:371
71360rcu_preempt0-21swapper/110:09:371
71360rcu_preempt0-21swapper/110:09:371
71360rcu_preempt0-21swapper/110:09:371
71360rcu_preempt0-21swapper/109:56:441
71360rcu_preempt0-21swapper/109:56:441
71360rcu_preempt0-21swapper/108:52:211
71360rcu_preempt0-21swapper/108:52:211
71350rcu_preempt9887-21sh09:29:292
71350rcu_preempt9887-21sh09:29:292
71350rcu_preempt18947-21/usr/sbin/munin11:42:352
71350rcu_preempt18947-21/usr/sbin/munin11:42:352
71350rcu_preempt18947-21/usr/sbin/munin11:42:352
71350rcu_preempt0-21swapper/312:37:123
71350rcu_preempt0-21swapper/312:37:123
71350rcu_preempt0-21swapper/212:09:242
71350rcu_preempt0-21swapper/212:09:242
71350rcu_preempt0-21swapper/212:09:242
71350rcu_preempt0-21swapper/211:59:522
71350rcu_preempt0-21swapper/211:59:522
71350rcu_preempt0-21swapper/211:59:522
71350rcu_preempt0-21swapper/210:47:402
71350rcu_preempt0-21swapper/210:47:402
71350rcu_preempt0-21swapper/210:47:402
71350rcu_preempt0-21swapper/111:43:031
71350rcu_preempt0-21swapper/111:43:031
71350rcu_preempt0-21swapper/111:43:031
71350rcu_preempt0-21swapper/111:00:451
71350rcu_preempt0-21swapper/111:00:451
71350rcu_preempt0-21swapper/111:00:451
71350rcu_preempt0-21swapper/110:54:521
71350rcu_preempt0-21swapper/110:54:521
71350rcu_preempt0-21swapper/109:28:501
71350rcu_preempt0-21swapper/109:28:501
71350rcu_preempt0-21swapper/109:16:011
71350rcu_preempt0-21swapper/109:16:011
71350rcu_preempt0-21swapper/109:16:011
71350rcu_preempt0-21swapper/108:22:401
71350rcu_preempt0-21swapper/108:22:401
71350rcu_preempt0-21swapper/108:03:501
71350rcu_preempt0-21swapper/108:03:501
71350rcu_preempt0-21swapper/108:03:501
71350rcu_preempt0-21swapper/107:55:131
71350rcu_preempt0-21swapper/107:55:131
46250350irq/120-QManpo29300-2110:48:551
46250350irq/120-QManpo29300-2110:48:551
71340rcu_preempt7766-1kworker/2:3H07:47:252
71340rcu_preempt7766-1kworker/2:3H07:47:252
71340rcu_preempt4029-21runrttasks07:30:051
71340rcu_preempt4029-21runrttasks07:30:051
71340rcu_preempt30920-21runrttasks07:11:021
71340rcu_preempt30920-21runrttasks07:11:021
71340rcu_preempt30920-21runrttasks07:11:021
71340rcu_preempt22770-21copy10:52:263
71340rcu_preempt22770-21copy10:52:263
71340rcu_preempt1958-21snmpd08:02:222
71340rcu_preempt1958-21snmpd08:02:222
71340rcu_preempt1958-21snmpd08:02:222
71340rcu_preempt18360-21copy11:42:163
71340rcu_preempt18360-21copy11:42:163
71340rcu_preempt18360-21copy11:42:163
71340rcu_preempt1408-21sendmail-msp07:22:402
71340rcu_preempt1408-21sendmail-msp07:22:402
71340rcu_preempt1408-21sendmail-msp07:22:402
71340rcu_preempt0-21swapper/311:12:453
71340rcu_preempt0-21swapper/311:12:453
71340rcu_preempt0-21swapper/309:02:513
71340rcu_preempt0-21swapper/309:02:513
71340rcu_preempt0-21swapper/211:19:082
71340rcu_preempt0-21swapper/211:19:082
71340rcu_preempt0-21swapper/211:19:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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