You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-28 - 17:45
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Fri Nov 28, 2025 12:54:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71710rcu_preempt0-21swapper/112:20:421
71710rcu_preempt0-21swapper/112:20:421
71670rcu_preempt0-21swapper/010:55:450
71670rcu_preempt0-21swapper/010:55:450
71600rcu_preempt0-21swapper/310:48:533
71600rcu_preempt0-21swapper/310:48:533
71520rcu_preempt0-21swapper/009:17:590
71520rcu_preempt0-21swapper/009:17:590
71500rcu_preempt29901-21latency_hist10:32:461
71500rcu_preempt29901-21latency_hist10:32:461
71500rcu_preempt0-21swapper/010:48:110
71500rcu_preempt0-21swapper/010:48:110
71480rcu_preempt0-21swapper/110:55:431
71480rcu_preempt0-21swapper/110:55:431
244899482cyclictest10624-21apt-get13:07:531
244899482cyclictest10624-21apt-get13:07:531
244899481cyclictest27888-21/usr/sbin/munin11:33:141
244899481cyclictest27888-21/usr/sbin/munin11:33:141
71470rcu_preempt18903-21ssh11:13:351
71470rcu_preempt18903-21ssh11:13:351
71470rcu_preempt18903-21ssh11:13:351
71460rcu_preempt0-21swapper/311:11:453
71460rcu_preempt0-21swapper/311:11:453
71460rcu_preempt0-21swapper/012:28:290
71460rcu_preempt0-21swapper/012:28:290
71460rcu_preempt0-21swapper/012:28:290
71450rcu_preempt8148-21kworker/u8:212:57:481
71450rcu_preempt1128-1kworker/1:1H10:48:101
71450rcu_preempt1128-1kworker/1:1H10:48:101
71450rcu_preempt0-21swapper/309:40:493
71450rcu_preempt0-21swapper/309:40:493
71450rcu_preempt0-21swapper/112:07:431
71450rcu_preempt0-21swapper/112:07:431
71450rcu_preempt0-21swapper/110:05:041
71450rcu_preempt0-21swapper/110:05:041
71450rcu_preempt0-21swapper/110:05:041
71440rcu_preempt29133-21apt-get09:18:003
71440rcu_preempt29133-21apt-get09:18:003
71440rcu_preempt0-21swapper/311:43:023
71440rcu_preempt0-21swapper/311:43:023
71440rcu_preempt0-21swapper/311:07:093
71440rcu_preempt0-21swapper/311:07:093
71440rcu_preempt0-21swapper/010:08:100
71440rcu_preempt0-21swapper/010:08:100
71440rcu_preempt0-21swapper/010:08:100
244899444cyclictest0-21swapper/112:33:061
244899444cyclictest0-21swapper/112:33:061
71430rcu_preempt15248-21apt-get08:28:022
71430rcu_preempt15248-21apt-get08:28:022
71430rcu_preempt0-21swapper/109:46:571
71430rcu_preempt0-21swapper/109:46:571
71430rcu_preempt0-21swapper/108:22:401
71430rcu_preempt0-21swapper/108:22:401
71430rcu_preempt0-21swapper/010:21:140
71430rcu_preempt0-21swapper/010:21:140
71430rcu_preempt0-21swapper/010:21:140
244899432cyclictest28289-21/usr/sbin/munin09:13:011
244899432cyclictest28289-21/usr/sbin/munin09:13:011
244899431cyclictest12422-21apt-get09:58:091
244899431cyclictest12422-21apt-get09:58:091
2448994316cyclictest477-21aten_r4power_cu12:47:551
2448994316cyclictest477-21aten_r4power_cu12:47:551
244899423cyclictest0-21swapper/112:08:111
244899423cyclictest0-21swapper/112:08:111
244899423cyclictest0-21swapper/110:43:051
244899423cyclictest0-21swapper/110:43:051
244899423cyclictest0-21swapper/110:43:051
244899423cyclictest0-21swapper/108:43:121
244899423cyclictest0-21swapper/108:43:121
244899423cyclictest0-21swapper/108:28:101
244899423cyclictest0-21swapper/108:28:101
244899423cyclictest0-21swapper/107:58:051
244899423cyclictest0-21swapper/107:58:051
244899423cyclictest0-21swapper/107:58:051
244899422cyclictest16277-21users11:08:101
244899422cyclictest16277-21users11:08:101
2448994220cyclictest25477-21ntp_states10:23:091
2448994220cyclictest25477-21ntp_states10:23:091
2448994220cyclictest11134-21latency_hist08:12:461
2448994220cyclictest11134-21latency_hist08:12:461
2448994219cyclictest27977-21diskstats12:37:581
2448994219cyclictest27977-21diskstats12:37:581
71410rcu_preempt0-21swapper/308:12:553
71410rcu_preempt0-21swapper/308:12:553
71410rcu_preempt0-21swapper/010:33:060
71410rcu_preempt0-21swapper/010:33:060
244899414cyclictest0-21swapper/111:03:121
244899414cyclictest0-21swapper/111:03:121
244899414cyclictest0-21swapper/110:58:121
244899414cyclictest0-21swapper/110:58:121
244899413cyclictest0-21swapper/111:53:041
244899413cyclictest0-21swapper/111:53:041
244899413cyclictest0-21swapper/111:53:041
244899412cyclictest7891-21/usr/sbin/munin13:03:001
244899412cyclictest7891-21/usr/sbin/munin13:03:001
244899412cyclictest7891-21/usr/sbin/munin13:03:001
244899412cyclictest27019-21ntp_states09:08:071
244899412cyclictest27019-21ntp_states09:08:071
244899412cyclictest21060-21ssh10:13:441
244899412cyclictest21060-21ssh10:13:441
71400rcu_preempt0-21swapper/111:25:351
71400rcu_preempt0-21swapper/111:25:351
71400rcu_preempt0-21swapper/111:25:351
71400rcu_preempt0-21swapper/012:26:470
71400rcu_preempt0-21swapper/012:26:470
71400rcu_preempt0-21swapper/010:59:240
71400rcu_preempt0-21swapper/010:59:240
244899403cyclictest8116-21ntp_states09:48:071
244899403cyclictest8116-21ntp_states09:48:071
244899403cyclictest0-21swapper/112:58:051
244899403cyclictest0-21swapper/112:58:051
244899403cyclictest0-21swapper/110:38:021
244899403cyclictest0-21swapper/110:38:021
244899403cyclictest0-21swapper/109:07:411
244899403cyclictest0-21swapper/109:07:411
244899402cyclictest7420-21/usr/sbin/munin11:58:111
244899402cyclictest7420-21/usr/sbin/munin11:58:111
244899402cyclictest2941-21memory09:38:021
244899402cyclictest2941-21memory09:38:021
244899402cyclictest18479-21irqstats08:38:051
244899402cyclictest18479-21irqstats08:38:051
244899402cyclictest15149-21df12:12:591
244899402cyclictest15149-21df12:12:591
244899402cyclictest10406-21/usr/sbin/munin09:53:001
244899402cyclictest10406-21/usr/sbin/munin09:53:001
2448994019cyclictest0-21swapper/111:43:011
2448994019cyclictest0-21swapper/111:43:011
2448994018cyclictest23683-21latency_hist08:57:461
2448994018cyclictest23683-21latency_hist08:57:461
71390rcu_preempt0-21swapper/311:26:263
71390rcu_preempt0-21swapper/311:26:263
71390rcu_preempt0-21swapper/311:26:263
71390rcu_preempt0-21swapper/112:28:461
71390rcu_preempt0-21swapper/112:28:461
71390rcu_preempt0-21swapper/112:28:461
244899394cyclictest0-21swapper/110:33:081
244899394cyclictest0-21swapper/110:33:081
244899393cyclictest0-21swapper/112:27:431
244899393cyclictest0-21swapper/112:27:431
244899393cyclictest0-21swapper/111:40:011
244899393cyclictest0-21swapper/111:40:011
244899392cyclictest3237-21diskstats12:52:571
244899392cyclictest30609-21df_inode12:42:571
244899392cyclictest30609-21df_inode12:42:571
244899392cyclictest11060-21apt-get08:13:031
244899392cyclictest11060-21apt-get08:13:031
244899391cyclictest6149-21ntp_states07:53:061
244899391cyclictest6149-21ntp_states07:53:061
71380rcu_preempt27390-21latency_hist10:27:470
71380rcu_preempt27390-21latency_hist10:27:470
71380rcu_preempt25245-21copy11:27:560
71380rcu_preempt25245-21copy11:27:560
71380rcu_preempt15397-21apt-get08:27:540
71380rcu_preempt15397-21apt-get08:27:540
71380rcu_preempt0-21swapper/210:32:552
71380rcu_preempt0-21swapper/210:32:552
71380rcu_preempt0-21swapper/011:33:050
71380rcu_preempt0-21swapper/011:33:050
71380rcu_preempt0-21swapper/011:08:040
71380rcu_preempt0-21swapper/011:08:040
71380rcu_preempt0-21swapper/009:17:480
71380rcu_preempt0-21swapper/009:17:480
244899383cyclictest0-21swapper/110:18:181
244899383cyclictest0-21swapper/110:18:181
244899383cyclictest0-21swapper/110:18:181
244899383cyclictest0-21swapper/109:23:061
244899383cyclictest0-21swapper/109:23:061
244899383cyclictest0-21swapper/108:47:561
244899383cyclictest0-21swapper/108:47:561
244899383cyclictest0-21swapper/108:47:561
244899382cyclictest17648-21users08:33:111
244899382cyclictest17648-21users08:33:111
244899382cyclictest17648-21users08:33:111
244899382cyclictest0-21swapper/111:28:141
244899382cyclictest0-21swapper/111:28:141
100550380irq/38-i2c-mpc4219-21ssh12:54:080
100550380irq/38-i2c-mpc4219-21ssh12:54:080
71370rcu_preempt0-21swapper/213:10:412
71370rcu_preempt0-21swapper/213:10:412
71370rcu_preempt0-21swapper/212:11:292
71370rcu_preempt0-21swapper/212:11:292
71370rcu_preempt0-21swapper/013:06:430
71370rcu_preempt0-21swapper/013:06:430
71370rcu_preempt0-21swapper/013:06:430
71370rcu_preempt0-21swapper/011:13:420
71370rcu_preempt0-21swapper/011:13:420
71370rcu_preempt0-21swapper/011:13:420
71370rcu_preempt0-21swapper/010:12:560
71370rcu_preempt0-21swapper/010:12:560
46050370irq/122-QManpo7700-2109:24:360
46050370irq/122-QManpo7700-2109:24:360
244899373cyclictest0-21swapper/111:48:551
244899373cyclictest0-21swapper/111:48:551
244899371cyclictest9657-21munin-run08:07:421
244899371cyclictest9657-21munin-run08:07:421
2448993716cyclictest18750-21sh10:08:571
2448993716cyclictest18750-21sh10:08:571
2448993716cyclictest18750-21sh10:08:571
2448993715cyclictest32371-21if_eth309:28:071
2448993715cyclictest32371-21if_eth309:28:071
2448993715cyclictest32371-21if_eth309:28:071
71360rcu_preempt11465-21/usr/sbin/munin08:13:000
71360rcu_preempt11465-21/usr/sbin/munin08:13:000
71360rcu_preempt0-21swapper/211:53:402
71360rcu_preempt0-21swapper/211:53:402
71360rcu_preempt0-21swapper/211:53:402
71360rcu_preempt0-21swapper/012:03:100
71360rcu_preempt0-21swapper/012:03:100
71360rcu_preempt0-21swapper/011:39:030
71360rcu_preempt0-21swapper/011:39:030
71360rcu_preempt0-21swapper/009:22:520
71360rcu_preempt0-21swapper/009:22:520
71360rcu_preempt0-21swapper/009:02:570
71360rcu_preempt0-21swapper/009:02:570
71360rcu_preempt0-21swapper/008:06:160
71360rcu_preempt0-21swapper/008:06:160
46450360irq/118-QManpo20763-2109:24:362
46450360irq/118-QManpo20763-2109:24:362
46050360irq/122-QManpo5026-2109:24:360
46050360irq/122-QManpo5026-2109:24:360
46050360irq/122-QManpo5026-2109:24:360
244899362cyclictest29133-21apt-get09:17:591
244899362cyclictest29133-21apt-get09:17:591
244899362cyclictest21454-21ssh11:18:491
244899362cyclictest21454-21ssh11:18:491
71350rcu_preempt8626-21runrttasks10:47:522
71350rcu_preempt8626-21runrttasks10:47:522
71350rcu_preempt24682-21taskset08:59:110
71350rcu_preempt24682-21taskset08:59:110
71350rcu_preempt24682-21taskset08:59:110
71350rcu_preempt12887-21snmpd09:50:190
71350rcu_preempt12887-21snmpd09:50:190
71350rcu_preempt0-21swapper/212:36:372
71350rcu_preempt0-21swapper/212:36:372
71350rcu_preempt0-21swapper/211:49:082
71350rcu_preempt0-21swapper/211:49:082
71350rcu_preempt0-21swapper/210:22:442
71350rcu_preempt0-21swapper/210:22:442
71350rcu_preempt0-21swapper/210:22:442
71350rcu_preempt0-21swapper/209:58:142
71350rcu_preempt0-21swapper/209:58:142
71350rcu_preempt0-21swapper/012:32:520
71350rcu_preempt0-21swapper/012:32:520
71350rcu_preempt0-21swapper/011:59:200
71350rcu_preempt0-21swapper/011:59:200
71350rcu_preempt0-21swapper/011:53:270
71350rcu_preempt0-21swapper/011:53:270
71350rcu_preempt0-21swapper/011:53:270
71350rcu_preempt0-21swapper/011:07:340
71350rcu_preempt0-21swapper/011:07:340
71350rcu_preempt0-21swapper/009:29:070
71350rcu_preempt0-21swapper/009:29:070
71350rcu_preempt0-21swapper/009:29:070
71350rcu_preempt0-21swapper/008:12:460
71350rcu_preempt0-21swapper/008:12:460
46050350irq/122-QManpo30357-210
46050350irq/122-QManpo30357-210
46050350irq/122-QManpo17981-2109:24:360
46050350irq/122-QManpo17981-2109:24:360
46050350irq/122-QManpo17260-210
46050350irq/122-QManpo17260-210
46050350irq/122-QManpo17260-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
244899351cyclictest1050-21apt-get09:32:551
244899351cyclictest1050-21apt-get09:32:551
71340rcu_preempt2022-21taskset09:34:100
71340rcu_preempt2022-21taskset09:34:100
71340rcu_preempt12959-21ssh09:58:040
71340rcu_preempt12959-21ssh09:58:040
71340rcu_preempt0-21swapper/212:41:442
71340rcu_preempt0-21swapper/212:41:442
71340rcu_preempt0-21swapper/211:47:192
71340rcu_preempt0-21swapper/211:47:192
71340rcu_preempt0-21swapper/211:38:452
71340rcu_preempt0-21swapper/211:38:452
71340rcu_preempt0-21swapper/211:34:532
71340rcu_preempt0-21swapper/211:34:532
71340rcu_preempt0-21swapper/211:08:132
71340rcu_preempt0-21swapper/211:08:132
71340rcu_preempt0-21swapper/209:39:462
71340rcu_preempt0-21swapper/209:39:462
71340rcu_preempt0-21swapper/208:53:122
71340rcu_preempt0-21swapper/208:53:122
71340rcu_preempt0-21swapper/208:02:542
71340rcu_preempt0-21swapper/208:02:542
71340rcu_preempt0-21swapper/013:12:180
71340rcu_preempt0-21swapper/013:12:180
71340rcu_preempt0-21swapper/012:37:540
71340rcu_preempt0-21swapper/012:37:540
71340rcu_preempt0-21swapper/012:14:450
71340rcu_preempt0-21swapper/012:14:450
71340rcu_preempt0-21swapper/011:27:140
71340rcu_preempt0-21swapper/011:27:140
71340rcu_preempt0-21swapper/011:27:140
46050340irq/122-QManpo8409-10
46050340irq/122-QManpo8409-10
46050340irq/122-QManpo4880-2109:24:360
46050340irq/122-QManpo4880-2109:24:360
46050340irq/122-QManpo15354-2109:24:360
46050340irq/122-QManpo15354-2109:24:360
46050340irq/122-QManpo15354-2109:24:360
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
244899342cyclictest12887-21snmpd09:01:191
244899342cyclictest12887-21snmpd09:01:191
244899342cyclictest12887-21snmpd09:01:191
244899341cyclictest13979-21apt-get08:22:521
244899341cyclictest13979-21apt-get08:22:521
244899341cyclictest13979-21apt-get08:22:521
71330rcu_preempt14174-21sh12:10:140
71330rcu_preempt14174-21sh12:10:140
71330rcu_preempt0-21swapper/212:55:022
71330rcu_preempt0-21swapper/212:55:022
71330rcu_preempt0-21swapper/212:29:262
71330rcu_preempt0-21swapper/212:29:262
71330rcu_preempt0-21swapper/212:29:262
71330rcu_preempt0-21swapper/212:22:152
71330rcu_preempt0-21swapper/212:22:152
71330rcu_preempt0-21swapper/211:13:562
71330rcu_preempt0-21swapper/211:13:562
71330rcu_preempt0-21swapper/211:13:562
71330rcu_preempt0-21swapper/210:47:452
71330rcu_preempt0-21swapper/210:47:452
71330rcu_preempt0-21swapper/210:47:452
71330rcu_preempt0-21swapper/210:37:532
71330rcu_preempt0-21swapper/210:37:532
71330rcu_preempt0-21swapper/210:17:032
71330rcu_preempt0-21swapper/210:17:032
71330rcu_preempt0-21swapper/209:43:322
71330rcu_preempt0-21swapper/209:43:322
71330rcu_preempt0-21swapper/012:48:400
71330rcu_preempt0-21swapper/012:48:400
71330rcu_preempt0-21swapper/008:42:470
71330rcu_preempt0-21swapper/008:22:430
71330rcu_preempt0-21swapper/008:22:430
46450330irq/118-QManpo15248-2109:24:362
46450330irq/118-QManpo15248-2109:24:362
46450330irq/118-QManpo15248-2109:24:362
46050330irq/122-QManpo7423-2109:24:360
46050330irq/122-QManpo7423-2109:24:360
46050330irq/122-QManpo7423-2109:24:360
46050330irq/122-QManpo724-210
46050330irq/122-QManpo724-210
46050330irq/122-QManpo2511-2109:24:360
46050330irq/122-QManpo2511-2109:24:360
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
71320rcu_preempt0-21swapper/212:51:582
71320rcu_preempt0-21swapper/212:51:582
71320rcu_preempt0-21swapper/212:05:432
71320rcu_preempt0-21swapper/212:05:432
71320rcu_preempt0-21swapper/212:01:242
71320rcu_preempt0-21swapper/212:01:242
71320rcu_preempt0-21swapper/211:26:492
71320rcu_preempt0-21swapper/211:26:492
71320rcu_preempt0-21swapper/211:26:492
71320rcu_preempt0-21swapper/210:58:222
71320rcu_preempt0-21swapper/210:58:222
71320rcu_preempt0-21swapper/210:53:122
71320rcu_preempt0-21swapper/210:53:122
71320rcu_preempt0-21swapper/210:06:332
71320rcu_preempt0-21swapper/210:06:332
71320rcu_preempt0-21swapper/210:06:332
71320rcu_preempt0-21swapper/209:55:202
71320rcu_preempt0-21swapper/209:55:202
71320rcu_preempt0-21swapper/209:48:122
71320rcu_preempt0-21swapper/209:48:122
71320rcu_preempt0-21swapper/207:57:182
71320rcu_preempt0-21swapper/207:57:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional