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2026-04-18 - 15:12
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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 Sat Apr 18, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71610rcu_preempt0-21swapper/011:03:480
71610rcu_preempt0-21swapper/011:03:480
71610rcu_preempt0-21swapper/011:03:480
71610rcu_preempt0-21swapper/009:14:400
71610rcu_preempt0-21swapper/009:14:400
71610rcu_preempt0-21swapper/009:14:400
2895099573cyclictest0-21swapper/011:26:560
2895099573cyclictest0-21swapper/011:26:560
2895099573cyclictest0-21swapper/011:26:560
2895099573cyclictest0-21swapper/009:42:290
2895099563cyclictest0-21swapper/012:11:160
2895099563cyclictest0-21swapper/012:11:160
2895099563cyclictest0-21swapper/012:11:160
2895099563cyclictest0-21swapper/012:11:160
46050530irq/122-QManpo28844-2110:48:550
46050530irq/122-QManpo28844-2110:48:550
2895099539cyclictest29922-21ssh10:10:150
2895099539cyclictest29922-21ssh10:10:150
71520rcu_preempt0-21swapper/011:52:400
71520rcu_preempt0-21swapper/011:52:400
2895099522cyclictest51352sleep009:25:050
2895099522cyclictest51352sleep009:25:050
2895099522cyclictest51352sleep009:25:050
2895099521cyclictest5738-21/usr/sbin/munin12:22:460
2895099521cyclictest5738-21/usr/sbin/munin12:22:460
2895099521cyclictest1735-21meminfo10:17:440
2895099521cyclictest1735-21meminfo10:17:440
28950995218cyclictest27339-21diskstats12:02:390
28950995218cyclictest27339-21diskstats12:02:390
2895099513cyclictest8992-21df_inode09:32:380
2895099513cyclictest8992-21df_inode09:32:380
2895099513cyclictest0-21swapper/010:42:470
2895099513cyclictest0-21swapper/010:42:470
2895099513cyclictest0-21swapper/010:42:470
2895099513cyclictest0-21swapper/009:42:350
2895099513cyclictest0-21swapper/009:42:350
2895099513cyclictest0-21swapper/009:42:350
2895099512cyclictest21440-21tr08:42:220
2895099512cyclictest21440-21tr08:42:220
2895099511cyclictest6956-21ssh10:27:360
2895099511cyclictest6956-21ssh10:27:360
2895099511cyclictest6956-21ssh10:27:360
2895099506cyclictest0-21swapper/011:28:520
2895099506cyclictest0-21swapper/011:28:520
2895099504cyclictest6354-21ssh10:26:250
2895099504cyclictest6354-21ssh10:26:250
2895099504cyclictest0-21swapper/009:38:120
2895099503cyclictest12043-21df08:07:390
2895099503cyclictest12043-21df08:07:390
2895099502cyclictest3254-21munin-run09:22:240
2895099502cyclictest3254-21munin-run09:22:240
2895099502cyclictest20030-21df_inode09:52:410
2895099502cyclictest20030-21df_inode09:52:410
2895099502cyclictest15902-21sendmail-msp08:27:370
2895099502cyclictest15902-21sendmail-msp08:27:370
2895099501cyclictest31761-21/usr/sbin/munin07:22:400
2895099501cyclictest31761-21/usr/sbin/munin07:22:400
2895099501cyclictest31761-21/usr/sbin/munin07:22:400
71490rcu_preempt0-21swapper/012:40:050
71490rcu_preempt0-21swapper/012:40:050
2895099494cyclictest0-21swapper/010:57:240
2895099494cyclictest0-21swapper/010:57:240
2895099494cyclictest0-21swapper/008:02:410
2895099494cyclictest0-21swapper/008:02:410
2895099494cyclictest0-21swapper/008:02:410
2895099493cyclictest23427-21apt-get10:57:350
2895099493cyclictest23427-21apt-get10:57:350
2895099493cyclictest0-21swapper/012:31:290
2895099493cyclictest0-21swapper/012:31:290
2895099493cyclictest0-21swapper/011:32:450
2895099493cyclictest0-21swapper/011:32:450
2895099493cyclictest0-21swapper/010:02:490
2895099493cyclictest0-21swapper/010:02:490
2895099493cyclictest0-21swapper/010:02:490
2895099493cyclictest0-21swapper/009:07:490
2895099493cyclictest0-21swapper/009:07:490
2895099492cyclictest31770-21egrep11:12:390
2895099492cyclictest31770-21egrep11:12:390
2895099492cyclictest29145-21df11:07:370
2895099492cyclictest29145-21df11:07:370
2895099491cyclictest210692sleep011:52:080
2895099491cyclictest210692sleep011:52:080
28950994915cyclictest27158-21apt-get09:02:360
28950994915cyclictest27158-21apt-get09:02:360
2895099484cyclictest0-21swapper/011:59:470
2895099484cyclictest0-21swapper/011:59:470
2895099484cyclictest0-21swapper/008:12:460
2895099484cyclictest0-21swapper/008:12:460
2895099484cyclictest0-21swapper/008:12:460
2895099483cyclictest31395-21ntp_states10:12:490
2895099483cyclictest31395-21ntp_states10:12:490
2895099483cyclictest0-21swapper/011:42:350
2895099483cyclictest0-21swapper/011:42:350
2895099483cyclictest0-21swapper/011:42:350
2895099483cyclictest0-21swapper/011:20:510
2895099483cyclictest0-21swapper/011:20:510
2895099483cyclictest0-21swapper/011:20:510
2895099483cyclictest0-21swapper/009:47:450
2895099483cyclictest0-21swapper/009:47:450
2895099483cyclictest0-21swapper/009:47:450
2895099482cyclictest968-21diskstats07:27:400
2895099482cyclictest968-21diskstats07:27:400
2895099482cyclictest9481-21meminfo07:57:420
2895099482cyclictest9481-21meminfo07:57:420
2895099482cyclictest9481-21meminfo07:57:420
2895099482cyclictest4932-21apt-get07:42:360
2895099482cyclictest4932-21apt-get07:42:360
2895099482cyclictest4932-21apt-get07:42:360
2895099482cyclictest21750-21df08:42:350
2895099482cyclictest21750-21df08:42:350
2895099482cyclictest21750-21df08:42:350
2895099482cyclictest12342-21date10:37:290
2895099482cyclictest12342-21date10:37:290
2895099481cyclictest17895-21apt-get10:47:340
2895099481cyclictest17895-21apt-get10:47:340
71470rcu_preempt11964-21/usr/sbin/munin12:32:540
71470rcu_preempt11964-21/usr/sbin/munin12:32:540
71470rcu_preempt11964-21/usr/sbin/munin12:32:540
2895099473cyclictest0-21swapper/012:20:560
2895099473cyclictest0-21swapper/012:20:560
2895099473cyclictest0-21swapper/012:20:560
2895099473cyclictest0-21swapper/008:57:420
2895099473cyclictest0-21swapper/008:57:420
2895099473cyclictest0-21swapper/008:47:490
2895099473cyclictest0-21swapper/008:47:490
2895099473cyclictest0-21swapper/008:27:190
2895099473cyclictest0-21swapper/008:27:190
2895099473cyclictest0-21swapper/008:27:190
2895099473cyclictest0-21swapper/008:17:480
2895099473cyclictest0-21swapper/008:17:480
2895099471cyclictest22633-21apt-get09:57:350
2895099471cyclictest22633-21apt-get09:57:350
28950994717cyclictest0-21swapper/011:42:240
28950994717cyclictest0-21swapper/011:42:240
2895099463cyclictest6559-21diskstats07:47:400
2895099463cyclictest6559-21diskstats07:47:400
2895099463cyclictest6347-21df_inode09:27:370
2895099463cyclictest6347-21df_inode09:27:370
2895099463cyclictest6347-21df_inode09:27:370
2895099463cyclictest0-21swapper/010:32:360
2895099463cyclictest0-21swapper/010:32:360
2895099462cyclictest3933-21meminfo07:37:420
2895099462cyclictest3933-21meminfo07:37:420
2895099462cyclictest19040-21diskstats08:32:400
2895099462cyclictest19040-21diskstats08:32:400
2895099462cyclictest0-21swapper/008:52:490
2895099462cyclictest0-21swapper/008:52:490
2895099462cyclictest0-21swapper/008:52:490
2895099461cyclictest32380-21apt-get12:12:350
2895099461cyclictest32380-21apt-get12:12:350
2895099452cyclictest31734-21sed07:22:270
2895099452cyclictest31734-21sed07:22:270
2895099442cyclictest7702-21/usr/sbin/munin07:52:500
2895099442cyclictest7702-21/usr/sbin/munin07:52:500
2895099442cyclictest28984-21apt-get07:12:330
2895099442cyclictest28984-21apt-get07:12:330
2895099442cyclictest2453-21irqstats07:32:420
2895099442cyclictest2453-21irqstats07:32:420
71430rcu_preempt0-21swapper/108:42:441
71430rcu_preempt0-21swapper/108:42:441
71430rcu_preempt0-21swapper/108:42:441
71430rcu_preempt0-21swapper/107:52:361
71430rcu_preempt0-21swapper/107:52:361
71420rcu_preempt0-21swapper/211:14:512
71420rcu_preempt0-21swapper/211:14:512
71420rcu_preempt0-21swapper/111:49:081
71420rcu_preempt0-21swapper/111:49:081
71420rcu_preempt0-21swapper/111:12:341
71420rcu_preempt0-21swapper/111:12:341
71410rcu_preempt0-21swapper/111:32:261
71410rcu_preempt0-21swapper/111:32:261
46250410irq/120-QManpo28837-2110:48:551
46250410irq/120-QManpo28837-2110:48:551
71400rcu_preempt19947-21sh10:51:081
71400rcu_preempt19947-21sh10:51:081
71400rcu_preempt0-21swapper/211:34:372
71400rcu_preempt0-21swapper/211:34:372
71390rcu_preempt7247-21ssh12:24:321
71390rcu_preempt7247-21ssh12:24:321
71390rcu_preempt24947-21processes08:52:511
71390rcu_preempt24947-21processes08:52:511
71390rcu_preempt24947-21processes08:52:511
71390rcu_preempt0-21swapper/212:09:472
71390rcu_preempt0-21swapper/212:09:472
71390rcu_preempt0-21swapper/212:09:472
71390rcu_preempt0-21swapper/212:09:472
71390rcu_preempt0-21swapper/209:47:072
71390rcu_preempt0-21swapper/209:47:072
71390rcu_preempt0-21swapper/209:47:072
71390rcu_preempt0-21swapper/109:48:341
71390rcu_preempt0-21swapper/109:48:341
71390rcu_preempt0-21swapper/109:48:341
71380rcu_preempt23968-21runrttasks08:49:212
71380rcu_preempt23968-21runrttasks08:49:212
71380rcu_preempt0-21swapper/311:29:243
71380rcu_preempt0-21swapper/311:29:243
71380rcu_preempt0-21swapper/209:29:492
71380rcu_preempt0-21swapper/209:29:492
71380rcu_preempt0-21swapper/209:29:492
71380rcu_preempt0-21swapper/112:08:511
71380rcu_preempt0-21swapper/112:08:511
71380rcu_preempt0-21swapper/112:08:511
71380rcu_preempt0-21swapper/112:08:511
71380rcu_preempt0-21swapper/112:03:221
71380rcu_preempt0-21swapper/112:03:221
71380rcu_preempt0-21swapper/110:29:071
71380rcu_preempt0-21swapper/110:29:071
71380rcu_preempt0-21swapper/110:29:071
71370rcu_preempt0-21swapper/210:26:542
71370rcu_preempt0-21swapper/210:26:542
71370rcu_preempt0-21swapper/208:27:022
71370rcu_preempt0-21swapper/208:27:022
71370rcu_preempt0-21swapper/208:27:022
71370rcu_preempt0-21swapper/110:27:301
71370rcu_preempt0-21swapper/108:36:151
71370rcu_preempt0-21swapper/108:36:151
71360rcu_preempt6339-21sh11:24:041
71360rcu_preempt6339-21sh11:24:041
71360rcu_preempt6339-21sh11:24:041
71360rcu_preempt5654-21sh09:26:371
71360rcu_preempt5654-21sh09:26:371
71360rcu_preempt5654-21sh09:26:371
71360rcu_preempt19883-21aten_r4power_vo09:52:392
71360rcu_preempt19883-21aten_r4power_vo09:52:392
71360rcu_preempt14832-21ssh10:41:492
71360rcu_preempt14832-21ssh10:41:492
71360rcu_preempt10126-21sendmail10:32:502
71360rcu_preempt10126-21sendmail10:32:502
71360rcu_preempt0-21swapper/308:08:233
71360rcu_preempt0-21swapper/308:08:233
71360rcu_preempt0-21swapper/210:04:362
71360rcu_preempt0-21swapper/210:04:362
71360rcu_preempt0-21swapper/210:04:362
71360rcu_preempt0-21swapper/209:57:582
71360rcu_preempt0-21swapper/209:57:582
71360rcu_preempt0-21swapper/209:04:502
71360rcu_preempt0-21swapper/209:04:502
71360rcu_preempt0-21swapper/208:44:462
71360rcu_preempt0-21swapper/208:44:462
71360rcu_preempt0-21swapper/208:44:462
71360rcu_preempt0-21swapper/112:27:441
71360rcu_preempt0-21swapper/112:27:441
71360rcu_preempt0-21swapper/112:20:441
71360rcu_preempt0-21swapper/112:20:441
71360rcu_preempt0-21swapper/112:20:441
71360rcu_preempt0-21swapper/111:38:181
71360rcu_preempt0-21swapper/111:38:181
71360rcu_preempt0-21swapper/111:11:431
71360rcu_preempt0-21swapper/111:11:431
71360rcu_preempt0-21swapper/111:03:531
71360rcu_preempt0-21swapper/111:03:531
71360rcu_preempt0-21swapper/111:03:531
71360rcu_preempt0-21swapper/110:35:001
71360rcu_preempt0-21swapper/110:35:001
71360rcu_preempt0-21swapper/110:23:421
71360rcu_preempt0-21swapper/110:10:281
71360rcu_preempt0-21swapper/110:10:281
71360rcu_preempt0-21swapper/109:13:331
71360rcu_preempt0-21swapper/109:13:331
71360rcu_preempt0-21swapper/109:13:331
71360rcu_preempt0-21swapper/109:07:531
71360rcu_preempt0-21swapper/109:07:531
71360rcu_preempt0-21swapper/108:57:461
71360rcu_preempt0-21swapper/108:57:461
71360rcu_preempt0-21swapper/108:24:421
71360rcu_preempt0-21swapper/108:24:421
71360rcu_preempt0-21swapper/108:24:421
71360rcu_preempt0-21swapper/107:58:021
71360rcu_preempt0-21swapper/107:58:021
71360rcu_preempt0-21swapper/107:58:021
46650360irq/116-QManpo0-2110:48:553
46650360irq/116-QManpo0-2110:48:553
71350rcu_preempt31189-1kworker/2:0H09:17:442
71350rcu_preempt31189-1kworker/2:0H09:17:442
71350rcu_preempt18499-21ssh11:47:212
71350rcu_preempt18499-21ssh11:47:212
71350rcu_preempt18499-21ssh11:47:212
71350rcu_preempt0-21swapper/310:37:333
71350rcu_preempt0-21swapper/310:37:333
71350rcu_preempt0-21swapper/310:04:123
71350rcu_preempt0-21swapper/310:04:123
71350rcu_preempt0-21swapper/310:04:123
71350rcu_preempt0-21swapper/309:52:373
71350rcu_preempt0-21swapper/309:52:373
71350rcu_preempt0-21swapper/212:30:572
71350rcu_preempt0-21swapper/212:30:572
71350rcu_preempt0-21swapper/212:22:352
71350rcu_preempt0-21swapper/212:22:352
71350rcu_preempt0-21swapper/211:48:322
71350rcu_preempt0-21swapper/211:48:322
71350rcu_preempt0-21swapper/211:25:042
71350rcu_preempt0-21swapper/211:25:042
71350rcu_preempt0-21swapper/211:25:042
71350rcu_preempt0-21swapper/211:10:012
71350rcu_preempt0-21swapper/211:10:012
71350rcu_preempt0-21swapper/210:10:262
71350rcu_preempt0-21swapper/210:10:262
71350rcu_preempt0-21swapper/209:49:492
71350rcu_preempt0-21swapper/209:49:492
71350rcu_preempt0-21swapper/209:49:492
71350rcu_preempt0-21swapper/112:42:241
71350rcu_preempt0-21swapper/112:42:241
71350rcu_preempt0-21swapper/111:58:511
71350rcu_preempt0-21swapper/111:58:511
71350rcu_preempt0-21swapper/111:43:571
71350rcu_preempt0-21swapper/111:43:571
71350rcu_preempt0-21swapper/111:43:571
71350rcu_preempt0-21swapper/111:37:241
71350rcu_preempt0-21swapper/111:37:241
71350rcu_preempt0-21swapper/111:21:171
71350rcu_preempt0-21swapper/111:21:171
71350rcu_preempt0-21swapper/111:21:171
71350rcu_preempt0-21swapper/110:44:041
71350rcu_preempt0-21swapper/110:44:041
71350rcu_preempt0-21swapper/110:44:041
71350rcu_preempt0-21swapper/110:14:481
71350rcu_preempt0-21swapper/110:14:481
71350rcu_preempt0-21swapper/109:58:361
71350rcu_preempt0-21swapper/109:58:361
71350rcu_preempt0-21swapper/109:54:081
71350rcu_preempt0-21swapper/109:54:081
71350rcu_preempt0-21swapper/107:27:501
71350rcu_preempt0-21swapper/107:27:501
46250350irq/120-QManpo3263-2110:48:551
46250350irq/120-QManpo3263-2110:48:551
46250350irq/120-QManpo3263-2110:48:551
71340rcu_preempt15489-21runrttasks09:43:021
71340rcu_preempt15489-21runrttasks09:43:021
71340rcu_preempt15489-21runrttasks09:43:021
71340rcu_preempt0-21swapper/310:28:213
71340rcu_preempt0-21swapper/310:28:213
71340rcu_preempt0-21swapper/310:28:213
71340rcu_preempt0-21swapper/211:39:052
71340rcu_preempt0-21swapper/211:39:052
71340rcu_preempt0-21swapper/211:02:342
71340rcu_preempt0-21swapper/211:02:342
71340rcu_preempt0-21swapper/211:02:342
71340rcu_preempt0-21swapper/210:30:142
71340rcu_preempt0-21swapper/210:30:142
71340rcu_preempt0-21swapper/210:30:142
71340rcu_preempt0-21swapper/210:13:532
71340rcu_preempt0-21swapper/210:13:532
71340rcu_preempt0-21swapper/112:32:421
71340rcu_preempt0-21swapper/112:32:421
71340rcu_preempt0-21swapper/112:32:421
71340rcu_preempt0-21swapper/110:56:031
71340rcu_preempt0-21swapper/110:56:031
71340rcu_preempt0-21swapper/110:39:001
71340rcu_preempt0-21swapper/110:39:001
71340rcu_preempt0-21swapper/110:07:111
71340rcu_preempt0-21swapper/110:07:111
71340rcu_preempt0-21swapper/110:07:111
71330rcu_preempt23440-21ssh10:57:362
71330rcu_preempt23440-21ssh10:57:362
71330rcu_preempt17905-21ssh10:47:342
71330rcu_preempt17905-21ssh10:47:342
71330rcu_preempt0-21swapper/311:58:563
71330rcu_preempt0-21swapper/311:58:563
71330rcu_preempt0-21swapper/311:27:243
71330rcu_preempt0-21swapper/311:27:243
71330rcu_preempt0-21swapper/311:27:243
71330rcu_preempt0-21swapper/311:17:513
71330rcu_preempt0-21swapper/311:17:513
71330rcu_preempt0-21swapper/311:17:513
71330rcu_preempt0-21swapper/210:56:252
71330rcu_preempt0-21swapper/210:56:252
71330rcu_preempt0-21swapper/209:33:212
71330rcu_preempt0-21swapper/209:33:212
71330rcu_preempt0-21swapper/209:26:252
71330rcu_preempt0-21swapper/209:26:252
71330rcu_preempt0-21swapper/209:26:252
71330rcu_preempt0-21swapper/209:16:252
71330rcu_preempt0-21swapper/209:16:252
71330rcu_preempt0-21swapper/209:16:252
71330rcu_preempt0-21swapper/208:32:362
71330rcu_preempt0-21swapper/208:32:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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