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2026-08-08 - 06:29
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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 highest latencies:
System rackbslot6.osadl.org (updated Sat Aug 08, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116621720,4sleep0723699cyclictest23:21:570
1068911090,4ptp4l401ktimersoftd/321:20:433
301622840,3sleep1724399cyclictest01:28:091
106891710,1ptp4l401ktimersoftd/323:33:483
106891710,1ptp4l401ktimersoftd/323:33:483
179002670,2sleep30-21swapper/301:49:033
70952650,5sleep07098-21irqrtprio23:27:150
70952650,5sleep07098-21irqrtprio23:27:150
111032650,2sleep20-21swapper/200:02:542
106891630,1ptp4l401ktimersoftd/302:17:133
218542610,3sleep121855-21unixbench_multi21:47:241
17892590,2sleep10-21swapper/101:32:231
191402580,2sleep30-21swapper/322:52:093
106891580,1ptp4l401ktimersoftd/302:50:063
106891570,1ptp4l401ktimersoftd/322:47:193
69302564,40sleep00-21swapper/021:19:120
106891560,1ptp4l401ktimersoftd/322:05:583
106891560,1ptp4l401ktimersoftd/301:19:293
106891550,1ptp4l401ktimersoftd/302:22:123
106891550,1ptp4l401ktimersoftd/300:59:433
106891550,1ptp4l401ktimersoftd/300:56:243
106891540,1ptp4l401ktimersoftd/301:54:083
35902530,2sleep30-21swapper/302:07:223
202622520,1sleep10-21swapper/100:12:211
7256995142,4cyclictest41-21ksoftirqd/301:12:113
7256995142,4cyclictest41-21ksoftirqd/301:12:113
7256995040,5cyclictest41-21ksoftirqd/322:17:093
7256994940,5cyclictest41-21ksoftirqd/321:57:083
7256994637,5cyclictest41-21ksoftirqd/322:12:053
7256994536,5cyclictest41-21ksoftirqd/323:07:093
7256994534,5cyclictest41-21ksoftirqd/323:45:093
7256994329,6cyclictest41-21ksoftirqd/321:32:063
106891410,1ptp4l401ktimersoftd/302:41:503
106891410,1ptp4l401ktimersoftd/302:00:383
106891410,1ptp4l401ktimersoftd/300:21:123
7256994027,6cyclictest41-21ksoftirqd/322:07:073
7248994028,6cyclictest33-21ksoftirqd/201:27:122
7236993927,7cyclictest9-21ksoftirqd/000:02:090
65242395,20sleep26650-21/usr/sbin/munin21:17:242
106891390,2ptp4l17300-21kworker/3:100:29:003
106891390,1ptp4l401ktimersoftd/301:03:413
106891390,1ptp4l401ktimersoftd/300:09:063
106891380,2ptp4l17300-21kworker/3:100:49:023
106891380,1ptp4l401ktimersoftd/323:58:553
106891380,1ptp4l401ktimersoftd/302:29:573
106891380,1ptp4l401ktimersoftd/302:16:093
106891380,1ptp4l401ktimersoftd/300:42:493
106891380,1ptp4l401ktimersoftd/300:26:213
106891380,0ptp4l401ktimersoftd/300:02:063
7256993724,3cyclictest41-21ksoftirqd/301:47:013
131802370,1sleep10-21swapper/102:17:191
106891370,1ptp4l401ktimersoftd/323:27:443
106891370,1ptp4l401ktimersoftd/323:27:443
106891370,1ptp4l401ktimersoftd/323:25:013
106891370,1ptp4l401ktimersoftd/302:42:533
106891370,1ptp4l401ktimersoftd/302:33:213
106891370,1ptp4l401ktimersoftd/302:05:393
106891370,1ptp4l401ktimersoftd/301:39:003
106891370,1ptp4l401ktimersoftd/301:32:383
106891370,1ptp4l401ktimersoftd/301:28:233
106891370,1ptp4l401ktimersoftd/301:22:533
106891370,1ptp4l401ktimersoftd/300:37:493
106891370,0ptp4l401ktimersoftd/300:13:293
7256993630,3cyclictest41-21ksoftirqd/321:41:553
106891360,1ptp4l401ktimersoftd/322:37:333
106891360,0ptp4l401ktimersoftd/323:38:163
106891350,1ptp4l401ktimersoftd/323:49:383
106891350,0ptp4l401ktimersoftd/301:08:083
106891350,0ptp4l401ktimersoftd/300:35:313
7236993419,5cyclictest9-21ksoftirqd/022:38:050
690223412,11sleep125-21ksoftirqd/121:18:531
106891330,1ptp4l401ktimersoftd/321:27:243
7256993220,10cyclictest41-21ksoftirqd/321:22:103
7248993225,4cyclictest33-21ksoftirqd/223:11:562
106891320,1ptp4l401ktimersoftd/323:55:113
7256993125,3cyclictest41-21ksoftirqd/322:36:573
7256993125,3cyclictest41-21ksoftirqd/322:27:003
7256993125,3cyclictest41-21ksoftirqd/321:51:553
140902310,1sleep00-21swapper/001:45:550
106891310,1ptp4l401ktimersoftd/322:46:433
106891310,0ptp4l401ktimersoftd/323:18:483
7256993024,3cyclictest41-21ksoftirqd/322:26:563
106891300,0ptp4l401ktimersoftd/321:54:363
106891300,0ptp4l401ktimersoftd/321:45:163
106891300,0ptp4l401ktimersoftd/321:45:163
7243992922,4cyclictest31591-21sed00:57:171
7256992822,3cyclictest41-21ksoftirqd/323:02:153
725699281,4cyclictest121rcu_preempt22:57:263
7243992821,4cyclictest16343-21grep21:37:151
7236992822,3cyclictest9-21ksoftirqd/021:54:550
724399271,3cyclictest121rcu_preempt22:38:051
7236992720,4cyclictest9-21ksoftirqd/023:46:460
7256992620,3cyclictest41-21ksoftirqd/323:12:263
724899264,12cyclictest16365-21ssh23:37:102
7248992620,4cyclictest33-21ksoftirqd/200:19:092
7248992620,3cyclictest33-21ksoftirqd/222:41:562
7248992620,3cyclictest33-21ksoftirqd/222:34:302
7248992620,3cyclictest33-21ksoftirqd/202:17:152
7248992620,3cyclictest16503-21kworker/2:102:47:232
7248992619,4cyclictest33-21ksoftirqd/222:26:112
7248992619,4cyclictest33-21ksoftirqd/221:54:192
7243992619,4cyclictest25-21ksoftirqd/101:37:041
7243992619,4cyclictest10209-21ssh23:30:431
7243992619,4cyclictest10209-21ssh23:30:431
7236992612,4cyclictest9-21ksoftirqd/000:54:240
7236992610,8cyclictest9-21ksoftirqd/000:41:510
122122260,2sleep10-21swapper/102:48:311
7248992519,4cyclictest33-21ksoftirqd/223:47:142
7248992519,3cyclictest33-21ksoftirqd/222:02:032
7248992519,3cyclictest33-21ksoftirqd/221:36:412
7248992519,3cyclictest33-21ksoftirqd/200:32:132
7248992519,3cyclictest17348-21latency_hist21:41:552
7248992518,4cyclictest33-21ksoftirqd/223:03:122
7248992518,4cyclictest33-21ksoftirqd/221:26:212
7248992518,4cyclictest33-21ksoftirqd/202:06:202
7248992518,4cyclictest33-21ksoftirqd/200:09:532
724899250,3cyclictest121rcu_preempt02:39:582
724399252,6cyclictest20057-21apt-get01:52:121
7243992519,3cyclictest25-21ksoftirqd/102:08:241
7236992520,3cyclictest9-21ksoftirqd/023:03:550
7236992520,3cyclictest9-21ksoftirqd/022:52:110
7236992519,4cyclictest9-21ksoftirqd/023:13:020
7236992518,4cyclictest9-21ksoftirqd/021:48:150
723699250,12cyclictest96182date21:26:540
724899242,14cyclictest28809-21rm00:22:102
7248992418,3cyclictest33-21ksoftirqd/222:46:202
7248992418,3cyclictest33-21ksoftirqd/222:14:182
7248992418,3cyclictest33-21ksoftirqd/222:09:232
7248992417,4cyclictest33-21ksoftirqd/221:27:302
7243992419,3cyclictest25-21ksoftirqd/122:23:481
7243992419,3cyclictest25-21ksoftirqd/100:19:251
7243992418,3cyclictest25-21ksoftirqd/123:18:251
7243992418,3cyclictest25-21ksoftirqd/122:06:341
7243992418,3cyclictest25-21ksoftirqd/121:36:541
7243992418,3cyclictest25-21ksoftirqd/100:07:151
724399241,20cyclictest25438-21ssh23:45:501
7236992418,4cyclictest9-21ksoftirqd/022:18:060
7236992418,3cyclictest9-21ksoftirqd/022:35:080
7236992417,4cyclictest9-21ksoftirqd/022:26:330
1956322418,3sleep09-21ksoftirqd/001:17:250
724899233,7cyclictest5329-21apt-get01:37:112
7248992318,3cyclictest3843-21sshd22:18:352
7248992317,3cyclictest20489-21sh01:18:222
7248992316,4cyclictest33-21ksoftirqd/223:21:352
7248992316,4cyclictest33-21ksoftirqd/222:56:422
7248992316,4cyclictest33-21ksoftirqd/202:08:292
7243992317,3cyclictest25-21ksoftirqd/122:49:231
7243992317,3cyclictest25-21ksoftirqd/121:57:441
7243992317,3cyclictest25-21ksoftirqd/121:26:321
7243992317,3cyclictest25-21ksoftirqd/101:47:161
7243992316,4cyclictest25-21ksoftirqd/122:59:221
7243992316,4cyclictest15207-21ssh01:12:441
7243992316,4cyclictest15207-21ssh01:12:441
724399231,3cyclictest10734-21snmp_o5powerctl22:32:211
7236992318,3cyclictest9-21ksoftirqd/001:47:130
7236992318,3cyclictest9-21ksoftirqd/000:01:310
7236992317,3cyclictest9-21ksoftirqd/023:52:080
7236992316,4cyclictest9-21ksoftirqd/021:56:580
7236992316,4cyclictest14428-21cpuspeed_turbos22:42:100
723699231,3cyclictest0-21swapper/002:38:460
55732230,19sleep00-21swapper/000:31:400
724899229,4cyclictest223102dpkg02:27:022
724899227,12cyclictest17975-21sh00:42:452
7248992217,3cyclictest33-21ksoftirqd/201:57:012
7248992215,4cyclictest33-21ksoftirqd/222:29:442
7248992215,4cyclictest29100-21grep23:12:132
7248992214,5cyclictest47150irq/102-ens3-Tx00:52:032
7248992214,4cyclictest4583-21idleruntime23:57:162
7248992214,4cyclictest20073-21open_files00:12:192
724899220,2cyclictest121rcu_preempt02:14:442
7243992216,3cyclictest25-21ksoftirqd/123:15:351
724399221,4cyclictest20103-21latency_hist21:46:551
724399221,4cyclictest20103-21latency_hist21:46:551
7243992211,8cyclictest29144-21fschecks_count00:22:131
724399220,5cyclictest16637-21df_inode23:37:121
7236992217,3cyclictest9-21ksoftirqd/023:47:190
7236992217,3cyclictest9-21ksoftirqd/001:06:590
7236992216,3cyclictest9-21ksoftirqd/022:13:390
7236992216,3cyclictest9-21ksoftirqd/000:17:260
723699221,4cyclictest29381-21snmp_o5powerctl01:27:250
723699221,3cyclictest8351-21snmp_o5powerctl22:27:250
723699221,3cyclictest23059-21ssh00:16:190
723699221,3cyclictest1874-21snmp_o5powerctl01:32:250
723699221,19cyclictest0-21swapper/022:57:130
141572220,1sleep20-21swapper/200:39:362
1060922216,3sleep125-21ksoftirqd/102:15:031
724899218,4cyclictest22057-21idleruntime23:42:142
724899214,9cyclictest8287-21ssh01:07:102
724899214,9cyclictest10248-21ssh01:42:122
724899213,8cyclictest20866-21ssh00:47:102
724899213,12cyclictest4879-21apt-get02:42:152
7248992115,3cyclictest33-21ksoftirqd/201:13:172
7248992115,3cyclictest33-21ksoftirqd/201:13:172
7248992115,3cyclictest21962-21cat02:27:012
7248992114,4cyclictest29750-21sh02:33:142
7243992116,3cyclictest25-21ksoftirqd/123:55:551
7243992116,3cyclictest25-21ksoftirqd/123:08:211
7243992116,3cyclictest25-21ksoftirqd/101:23:191
7243992116,3cyclictest25-21ksoftirqd/101:08:381
7243992115,4cyclictest25-21ksoftirqd/122:54:001
7243992115,3cyclictest23629-21missed_timers21:52:131
724399211,4cyclictest3851-21ssh23:56:591
7243992114,4cyclictest28914-21sensors02:32:251
7243992114,4cyclictest1634-21fschecks_count00:27:151
724399211,3cyclictest9105-21ssh02:46:351
7243992113,5cyclictest3374-21apt-get01:02:101
724399210,6cyclictest19593-21ssh02:23:021
723699212,16cyclictest14964-21sed01:12:280
723699212,16cyclictest14964-21sed01:12:280
7236992116,3cyclictest9-21ksoftirqd/022:51:420
7236992116,3cyclictest9-21ksoftirqd/021:29:440
7236992115,4cyclictest29142-21grep00:22:130
723699211,4cyclictest21206-21snmpd00:51:050
7236992114,4cyclictest9-21ksoftirqd/021:42:050
7236992114,4cyclictest9-21ksoftirqd/021:42:050
7236992114,4cyclictest2675-21sh23:22:180
7236992114,4cyclictest16372-21cpu23:37:100
723699211,18cyclictest32303-21ssh02:03:300
296932210,2sleep10-21swapper/123:49:401
260772210,4sleep0111rcuc/001:24:310
724899208,10cyclictest29485-21sleep02:02:012
7248992015,3cyclictest33-21ksoftirqd/201:32:192
7248992014,3cyclictest6317-21/usr/sbin/munin23:27:122
7248992014,3cyclictest6317-21/usr/sbin/munin23:27:122
7248992014,3cyclictest4839-21sh01:02:252
7248992014,3cyclictest24494-21sh01:22:242
7248992014,3cyclictest1215-21/usr/sbin/munin00:27:202
7248992013,4cyclictest966-21sh00:58:372
7248992013,4cyclictest624-21timerandwakeup23:52:262
7248992013,4cyclictest21468-21ptp4l-jitter21:47:172
7243992015,3cyclictest9490-21sh00:34:561
7243992015,3cyclictest25-21ksoftirqd/121:31:421
7243992014,4cyclictest25-21ksoftirqd/122:31:281
7243992014,4cyclictest15959-21apt-get00:42:101
7243992014,3cyclictest27933-21sh00:52:371
7243992014,3cyclictest24909-21/usr/sbin/munin01:57:191
7243992014,3cyclictest0-21swapper/123:22:101
7243992013,4cyclictest25-21ksoftirqd/122:46:171
7243992013,4cyclictest20741-21sh00:47:061
7243992013,4cyclictest10971-21/usr/sbin/munin00:37:211
723699202,15cyclictest25439-21gltestperf01:57:190
7236992015,3cyclictest9-21ksoftirqd/002:19:430
7236992015,3cyclictest9-21ksoftirqd/002:13:410
7236992015,3cyclictest6039-21grep01:37:170
7236992014,3cyclictest9-21ksoftirqd/022:10:060
7236992014,3cyclictest17777-21sh00:42:280
7236992014,3cyclictest1055-21runrttasks02:44:030
723699201,3cyclictest14260-21snmp_o5powerctl21:32:190
723699201,3cyclictest11256-21snmp_o5powerctl02:47:290
723699201,3cyclictest0-21swapper/001:52:120
7236992013,4cyclictest6130-21/usr/sbin/munin00:32:120
7236992013,4cyclictest1055-21runrttasks02:22:580
7236992013,4cyclictest1002-21diskmemload23:32:390
7236992013,4cyclictest1002-21diskmemload23:32:390
723699201,18cyclictest0-21swapper/000:09:110
723699201,16cyclictest4301-21ssh02:07:420
723699200,18cyclictest0-21swapper/022:02:040
7248991914,3cyclictest33-21ksoftirqd/221:42:102
7248991914,3cyclictest33-21ksoftirqd/221:42:102
7248991913,3cyclictest3686-21sh23:23:072
7248991913,3cyclictest24916-21cat21:57:082
7248991912,4cyclictest13491-21sh23:32:512
7248991912,4cyclictest13491-21sh23:32:512
724399193,10cyclictest11383-21apt-get23:32:101
724399193,10cyclictest11383-21apt-get23:32:101
724399191,4cyclictest25383-21snmp_o5powerctl23:02:211
7243991914,3cyclictest0-21swapper/100:04:061
724399191,3cyclictest0-21swapper/102:37:121
7243991913,4cyclictest47050irq/101-ens3-Tx02:02:241
7243991913,4cyclictest25-21ksoftirqd/122:20:561
7243991913,3cyclictest14274-21sh01:46:131
7243991912,4cyclictest18718-21ethtool01:17:171
7236991914,3cyclictest9-21ksoftirqd/021:38:480
7236991913,3cyclictest30567-21sh02:34:380
7236991912,4cyclictest8375-21cpuspeed_turbos01:07:120
723699190,16cyclictest31173-21diskstats00:57:140
7248991812,3cyclictest16890-21expr22:47:112
7248991812,3cyclictest15401-21expr01:47:142
7248991811,4cyclictest21894-21expr22:57:102
7243991811,4cyclictest32035-21cat22:12:051
7243991811,4cyclictest24155-21timerandwakeup02:27:301
724399180,16cyclictest0-21swapper/122:11:441
7236991812,3cyclictest24292-21unixbench_multi02:27:300
723699181,15cyclictest0-21swapper/023:07:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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