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2026-06-03 - 04:52
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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 Jun 03, 2026 00:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71610rcu_preempt0-21swapper/223:10:002
71610rcu_preempt0-21swapper/223:10:002
71510rcu_preempt0-21swapper/222:03:422
71510rcu_preempt0-21swapper/222:03:422
46050510irq/122-QManpo32438-210
46050510irq/122-QManpo32438-210
71490rcu_preempt0-21swapper/222:30:402
71490rcu_preempt0-21swapper/222:30:402
71490rcu_preempt0-21swapper/222:30:402
71470rcu_preempt0-21swapper/219:13:162
71470rcu_preempt0-21swapper/219:13:162
46650440irq/116-QManpo1284-2110:48:553
46650440irq/116-QManpo1284-2110:48:553
141499444cyclictest0-21swapper/100:21:281
141499444cyclictest0-21swapper/100:21:281
141499444cyclictest0-21swapper/100:21:281
141499443cyclictest0-21swapper/122:48:281
141499443cyclictest0-21swapper/122:48:281
141499443cyclictest0-21swapper/122:48:281
141499443cyclictest0-21swapper/121:08:351
141499443cyclictest0-21swapper/121:08:351
141499443cyclictest0-21swapper/121:08:351
71430rcu_preempt4791-21kworker/0:419:48:220
71430rcu_preempt4791-21kworker/0:419:48:220
141499433cyclictest0-21swapper/123:38:311
141499433cyclictest0-21swapper/123:38:311
141499433cyclictest0-21swapper/123:38:311
141499433cyclictest0-21swapper/123:13:431
141499433cyclictest0-21swapper/123:13:431
141499433cyclictest0-21swapper/123:13:431
141499432cyclictest18246-21ssh23:51:071
141499432cyclictest18246-21ssh23:51:071
141499432cyclictest18246-21ssh23:51:071
141499431cyclictest9101-21ssh21:29:231
141499431cyclictest9101-21ssh21:29:231
141499431cyclictest9101-21ssh21:29:231
141499431cyclictest24809-1kworker/1:0H23:08:341
141499431cyclictest24809-1kworker/1:0H23:08:341
1414994319cyclictest0-21swapper/122:38:421
1414994319cyclictest0-21swapper/122:38:421
1414994319cyclictest0-21swapper/122:38:421
71420rcu_preempt0-21swapper/021:28:040
71420rcu_preempt0-21swapper/021:28:040
71420rcu_preempt0-21swapper/021:28:040
46050420irq/122-QManpo13553-2110:48:550
46050420irq/122-QManpo13553-2110:48:550
46050420irq/122-QManpo13553-2110:48:550
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
141499424cyclictest0-21swapper/121:45:451
141499424cyclictest0-21swapper/121:45:451
141499424cyclictest0-21swapper/121:45:451
141499424cyclictest0-21swapper/100:23:271
141499424cyclictest0-21swapper/100:23:271
141499424cyclictest0-21swapper/100:23:271
141499423cyclictest0-21swapper/123:45:441
141499423cyclictest0-21swapper/123:45:441
141499423cyclictest0-21swapper/123:45:441
141499423cyclictest0-21swapper/122:09:461
141499423cyclictest0-21swapper/122:09:461
141499423cyclictest0-21swapper/122:09:461
141499423cyclictest0-21swapper/122:03:441
141499423cyclictest0-21swapper/122:03:441
141499423cyclictest0-21swapper/121:58:371
141499423cyclictest0-21swapper/121:58:371
141499423cyclictest0-21swapper/121:58:371
141499423cyclictest0-21swapper/121:37:261
141499423cyclictest0-21swapper/121:37:261
141499423cyclictest0-21swapper/121:19:241
141499423cyclictest0-21swapper/121:19:241
141499423cyclictest0-21swapper/119:51:031
141499423cyclictest0-21swapper/119:51:031
141499423cyclictest0-21swapper/100:03:441
141499423cyclictest0-21swapper/100:03:441
141499423cyclictest0-21swapper/100:03:441
141499422cyclictest9197-21meminfo23:33:351
141499422cyclictest9197-21meminfo23:33:351
141499422cyclictest9197-21meminfo23:33:351
141499422cyclictest22772-21df_inode22:58:311
141499422cyclictest22772-21df_inode22:58:311
141499422cyclictest22772-21df_inode22:58:311
141499422cyclictest18771-21cat20:23:311
141499422cyclictest18771-21cat20:23:311
141499422cyclictest18771-21cat20:23:311
141499422cyclictest18310-21cat20:23:141
141499422cyclictest18310-21cat20:23:141
141499422cyclictest15003-21diskstats22:43:281
141499422cyclictest15003-21diskstats22:43:281
1414994213cyclictest5533-21ssh23:26:491
1414994213cyclictest5533-21ssh23:26:491
1414994213cyclictest5533-21ssh23:26:491
71410rcu_preempt0-21swapper/121:42:131
71410rcu_preempt0-21swapper/121:42:131
71410rcu_preempt0-21swapper/121:42:131
46050410irq/122-QManpo28647-2110:48:550
46050410irq/122-QManpo28647-2110:48:550
141499413cyclictest0-21swapper/122:32:511
141499413cyclictest0-21swapper/122:32:511
141499413cyclictest0-21swapper/122:32:511
141499413cyclictest0-21swapper/122:25:131
141499413cyclictest0-21swapper/122:25:131
141499413cyclictest0-21swapper/122:25:131
141499413cyclictest0-21swapper/122:23:181
141499413cyclictest0-21swapper/122:23:181
141499413cyclictest0-21swapper/122:23:181
141499413cyclictest0-21swapper/121:23:371
141499413cyclictest0-21swapper/121:23:371
141499413cyclictest0-21swapper/121:23:371
141499413cyclictest0-21swapper/100:35:091
141499413cyclictest0-21swapper/100:35:091
141499413cyclictest0-21swapper/100:09:561
141499413cyclictest0-21swapper/100:09:561
141499413cyclictest0-21swapper/100:09:561
141499412cyclictest14452-21df_inode20:08:301
141499412cyclictest14452-21df_inode20:08:301
1414994112cyclictest7253-21apt-get19:43:201
1414994112cyclictest7253-21apt-get19:43:201
71400rcu_preempt0-21swapper/319:28:163
71400rcu_preempt0-21swapper/319:28:163
71400rcu_preempt0-21swapper/022:34:480
71400rcu_preempt0-21swapper/022:34:480
71400rcu_preempt0-21swapper/022:34:480
71400rcu_preempt0-21swapper/022:08:300
71400rcu_preempt0-21swapper/022:08:300
71400rcu_preempt0-21swapper/022:08:300
71400rcu_preempt0-21swapper/021:29:190
71400rcu_preempt0-21swapper/021:29:190
71400rcu_preempt0-21swapper/021:29:190
71400rcu_preempt0-21swapper/000:14:470
71400rcu_preempt0-21swapper/000:14:470
71400rcu_preempt0-21swapper/000:11:030
71400rcu_preempt0-21swapper/000:11:030
71400rcu_preempt0-21swapper/000:11:030
46050400irq/122-QManpo14724-2110:48:550
46050400irq/122-QManpo14724-2110:48:550
200922400sleep018509-1kworker/0:2H22:53:260
200922400sleep018509-1kworker/0:2H22:53:260
200922400sleep018509-1kworker/0:2H22:53:260
141499403cyclictest3389-21munin-run23:23:121
141499403cyclictest3389-21munin-run23:23:121
141499403cyclictest0-21swapper/123:55:411
141499403cyclictest0-21swapper/123:55:411
141499403cyclictest0-21swapper/123:04:591
141499403cyclictest0-21swapper/123:04:591
141499403cyclictest0-21swapper/122:38:151
141499403cyclictest0-21swapper/122:38:151
141499403cyclictest0-21swapper/122:38:151
141499403cyclictest0-21swapper/122:15:121
141499403cyclictest0-21swapper/122:15:121
141499403cyclictest0-21swapper/122:15:121
141499403cyclictest0-21swapper/121:15:341
141499403cyclictest0-21swapper/121:15:341
141499403cyclictest0-21swapper/121:15:341
141499402cyclictest6159-21/usr/sbin/munin23:28:401
141499402cyclictest6159-21/usr/sbin/munin23:28:401
141499402cyclictest6159-21/usr/sbin/munin23:28:401
141499402cyclictest31790-21ssh00:16:221
141499402cyclictest31790-21ssh00:16:221
141499402cyclictest27583-21users20:53:401
141499402cyclictest27583-21users20:53:401
71390rcu_preempt22046-21ssh22:57:222
71390rcu_preempt22046-21ssh22:57:222
71390rcu_preempt22046-21ssh22:57:222
71390rcu_preempt0-21swapper/119:34:381
71390rcu_preempt0-21swapper/119:34:381
71390rcu_preempt0-21swapper/119:34:381
71390rcu_preempt0-21swapper/023:38:150
71390rcu_preempt0-21swapper/023:38:150
71390rcu_preempt0-21swapper/023:38:150
71390rcu_preempt0-21swapper/023:03:380
71390rcu_preempt0-21swapper/023:03:380
71390rcu_preempt0-21swapper/021:16:420
71390rcu_preempt0-21swapper/021:16:420
71390rcu_preempt0-21swapper/021:16:420
71390rcu_preempt0-21swapper/000:37:140
71390rcu_preempt0-21swapper/000:37:140
46050390irq/122-QManpo4479-2110:48:550
46050390irq/122-QManpo4479-2110:48:550
46050390irq/122-QManpo4479-2110:48:550
46050390irq/122-QManpo19802-2110:48:550
46050390irq/122-QManpo19802-2110:48:550
46050390irq/122-QManpo19802-2110:48:550
141499393cyclictest0-21swapper/123:58:261
141499393cyclictest0-21swapper/123:58:261
141499393cyclictest0-21swapper/122:54:451
141499393cyclictest0-21swapper/122:54:451
141499393cyclictest0-21swapper/122:54:451
141499392cyclictest28269-21df20:58:241
141499392cyclictest28269-21df20:58:241
141499392cyclictest19559-21ssh21:49:411
141499392cyclictest19559-21ssh21:49:411
141499392cyclictest19559-21ssh21:49:411
141499392cyclictest12894-1kworker/1:0H20:03:391
141499392cyclictest12894-1kworker/1:0H20:03:391
141499392cyclictest0-21swapper/120:48:221
141499392cyclictest0-21swapper/120:48:221
141499392cyclictest0-21swapper/120:48:221
141499391cyclictest24118-21df_abs20:43:261
141499391cyclictest24118-21df_abs20:43:261
141499391cyclictest24118-21df_abs20:43:261
1414993915cyclictest7187-21sed19:43:141
1414993915cyclictest7187-21sed19:43:141
1414993915cyclictest7187-21sed19:43:141
1414993912cyclictest30011-21ntp_states21:03:371
1414993912cyclictest30011-21ntp_states21:03:371
1414993912cyclictest30011-21ntp_states21:03:371
71380rcu_preempt18164-21cat21:48:140
71380rcu_preempt18164-21cat21:48:140
71380rcu_preempt18164-21cat21:48:140
71380rcu_preempt18078-1kworker/0:2H23:52:500
71380rcu_preempt18078-1kworker/0:2H23:52:500
71380rcu_preempt18078-1kworker/0:2H23:52:500
71380rcu_preempt0-21swapper/223:32:292
71380rcu_preempt0-21swapper/223:32:292
71380rcu_preempt0-21swapper/223:32:292
71380rcu_preempt0-21swapper/023:32:230
71380rcu_preempt0-21swapper/023:32:230
71380rcu_preempt0-21swapper/023:32:230
71380rcu_preempt0-21swapper/023:21:430
71380rcu_preempt0-21swapper/023:21:430
71380rcu_preempt0-21swapper/021:54:330
71380rcu_preempt0-21swapper/021:54:330
71380rcu_preempt0-21swapper/019:28:230
71380rcu_preempt0-21swapper/019:28:230
71380rcu_preempt0-21swapper/019:28:230
46250380irq/120-QManpo0-2110:48:551
46250380irq/120-QManpo0-2110:48:551
46050380irq/122-QManpo30929-2110:48:550
46050380irq/122-QManpo30929-2110:48:550
46050380irq/122-QManpo30929-2110:48:550
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
46050380irq/122-QManpo0-210
141499383cyclictest0-21swapper/120:34:231
141499383cyclictest0-21swapper/120:34:231
141499383cyclictest0-21swapper/119:23:201
141499383cyclictest0-21swapper/119:23:201
141499383cyclictest0-21swapper/100:39:501
141499383cyclictest0-21swapper/100:39:501
141499382cyclictest3246-21munin-run19:23:111
141499382cyclictest3246-21munin-run19:23:111
141499382cyclictest3246-21munin-run19:23:111
141499382cyclictest21464-21ntp_states21:53:381
141499382cyclictest21464-21ntp_states21:53:381
141499381cyclictest3255-21sendmail-msp19:33:011
141499381cyclictest3255-21sendmail-msp19:33:011
141499381cyclictest3255-21sendmail-msp19:33:011
1414993815cyclictest23093-21/usr/sbin/munin20:38:361
1414993815cyclictest23093-21/usr/sbin/munin20:38:361
71370rcu_preempt28653-21sh22:07:100
71370rcu_preempt28653-21sh22:07:100
71370rcu_preempt15548-21sh22:43:422
71370rcu_preempt15548-21sh22:43:422
71370rcu_preempt15009-1kworker/2:2H23:53:412
71370rcu_preempt15009-1kworker/2:2H23:53:412
71370rcu_preempt0-21swapper/223:42:042
71370rcu_preempt0-21swapper/223:42:042
71370rcu_preempt0-21swapper/223:42:042
71370rcu_preempt0-21swapper/221:39:112
71370rcu_preempt0-21swapper/221:39:112
71370rcu_preempt0-21swapper/221:39:112
71370rcu_preempt0-21swapper/119:54:381
71370rcu_preempt0-21swapper/119:54:381
71370rcu_preempt0-21swapper/022:58:220
71370rcu_preempt0-21swapper/022:58:220
71370rcu_preempt0-21swapper/022:58:220
71370rcu_preempt0-21swapper/022:52:300
71370rcu_preempt0-21swapper/022:52:300
71370rcu_preempt0-21swapper/022:52:300
71370rcu_preempt0-21swapper/022:32:500
71370rcu_preempt0-21swapper/022:32:500
71370rcu_preempt0-21swapper/022:32:500
71370rcu_preempt0-21swapper/022:00:150
71370rcu_preempt0-21swapper/022:00:150
71370rcu_preempt0-21swapper/022:00:150
71370rcu_preempt0-21swapper/020:09:510
71370rcu_preempt0-21swapper/020:09:510
71370rcu_preempt0-21swapper/019:24:310
71370rcu_preempt0-21swapper/019:24:310
46650370irq/116-QManpo24328-2110:48:553
46650370irq/116-QManpo24328-2110:48:553
46650370irq/116-QManpo24328-2110:48:553
46050370irq/122-QManpo459-2110:48:550
46050370irq/122-QManpo459-2110:48:550
46050370irq/122-QManpo459-2110:48:550
46050370irq/122-QManpo29905-2110:48:550
46050370irq/122-QManpo29905-2110:48:550
46050370irq/122-QManpo29905-2110:48:550
46050370irq/122-QManpo26957-2110:48:550
46050370irq/122-QManpo26957-2110:48:550
46050370irq/122-QManpo10551-2110:48:550
46050370irq/122-QManpo10551-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
141499372cyclictest5620-21/usr/sbin/munin00:28:271
141499372cyclictest5620-21/usr/sbin/munin00:28:271
141499371cyclictest18251-21sendmail-msp20:29:071
141499371cyclictest18251-21sendmail-msp20:29:071
141499371cyclictest18251-21sendmail-msp20:29:071
1414993712cyclictest0-21swapper/120:03:111
1414993712cyclictest0-21swapper/120:03:111
1414993712cyclictest0-21swapper/120:03:111
1414993710cyclictest2770-21latency_hist19:18:151
1414993710cyclictest2770-21latency_hist19:18:151
71360rcu_preempt29451-21taskset00:12:062
71360rcu_preempt29451-21taskset00:12:062
71360rcu_preempt29451-21taskset00:12:062
71360rcu_preempt26402-21sendmail-msp22:37:072
71360rcu_preempt26402-21sendmail-msp22:37:072
71360rcu_preempt26402-21sendmail-msp22:37:072
71360rcu_preempt25779-21ssh00:03:470
71360rcu_preempt25779-21ssh00:03:470
71360rcu_preempt25779-21ssh00:03:470
71360rcu_preempt12562-1kworker/3:0H23:52:333
71360rcu_preempt12562-1kworker/3:0H23:52:333
71360rcu_preempt12562-1kworker/3:0H23:52:333
71360rcu_preempt0-21swapper/223:13:482
71360rcu_preempt0-21swapper/223:13:482
71360rcu_preempt0-21swapper/223:13:482
71360rcu_preempt0-21swapper/223:06:112
71360rcu_preempt0-21swapper/223:06:112
71360rcu_preempt0-21swapper/223:02:572
71360rcu_preempt0-21swapper/223:02:572
71360rcu_preempt0-21swapper/223:02:572
71360rcu_preempt0-21swapper/221:48:362
71360rcu_preempt0-21swapper/221:48:362
71360rcu_preempt0-21swapper/221:48:362
71360rcu_preempt0-21swapper/221:43:282
71360rcu_preempt0-21swapper/221:43:282
71360rcu_preempt0-21swapper/221:43:282
71360rcu_preempt0-21swapper/221:21:272
71360rcu_preempt0-21swapper/221:21:272
71360rcu_preempt0-21swapper/221:12:262
71360rcu_preempt0-21swapper/221:12:262
71360rcu_preempt0-21swapper/221:12:262
71360rcu_preempt0-21swapper/023:45:060
71360rcu_preempt0-21swapper/023:45:060
71360rcu_preempt0-21swapper/023:45:060
71360rcu_preempt0-21swapper/020:28:360
71360rcu_preempt0-21swapper/020:28:360
71360rcu_preempt0-21swapper/020:28:360
71360rcu_preempt0-21swapper/000:25:360
71360rcu_preempt0-21swapper/000:25:360
71360rcu_preempt0-21swapper/000:25:360
46050360irq/122-QManpo8510-2110:48:550
46050360irq/122-QManpo8510-2110:48:550
46050360irq/122-QManpo3568-2110:48:550
46050360irq/122-QManpo3568-2110:48:550
46050360irq/122-QManpo3568-2110:48:550
46050360irq/122-QManpo32308-2110:48:550
46050360irq/122-QManpo32308-2110:48:550
46050360irq/122-QManpo32308-2110:48:550
46050360irq/122-QManpo31056-2110:48:550
46050360irq/122-QManpo31056-2110:48:550
46050360irq/122-QManpo31056-2110:48:550
46050360irq/122-QManpo18357-2110:48:550
46050360irq/122-QManpo18357-2110:48:550
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
71350rcu_preempt0-21swapper/322:54:293
71350rcu_preempt0-21swapper/322:54:293
71350rcu_preempt0-21swapper/322:54:293
71350rcu_preempt0-21swapper/322:23:133
71350rcu_preempt0-21swapper/322:23:133
71350rcu_preempt0-21swapper/322:23:133
71350rcu_preempt0-21swapper/223:59:392
71350rcu_preempt0-21swapper/223:59:392
71350rcu_preempt0-21swapper/222:49:462
71350rcu_preempt0-21swapper/222:49:462
71350rcu_preempt0-21swapper/222:49:462
71350rcu_preempt0-21swapper/222:40:482
71350rcu_preempt0-21swapper/222:40:482
71350rcu_preempt0-21swapper/222:40:482
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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