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2026-08-12 - 08:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot3.osadl.org (updated Wed Aug 12, 2026 00:46:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501100irq/42-ahci0-21swapper/119:09:011
25391210894sleep80-21swapper/819:06:2810
25359210895sleep90-21swapper/919:06:0511
25326210895sleep40-21swapper/419:05:366
25291210693sleep70-21swapper/719:05:279
3054950940irq/53-eth0-rx-0-21swapper/1019:07:172
12250940irq/42-ahci0-21swapper/219:08:354
12250930irq/42-ahci0-21swapper/319:08:225
3054950890irq/53-eth0-rx-0-21swapper/519:07:427
2223726455sleep60-21swapper/619:05:028
2552026253sleep110-21swapper/1119:08:093
2547826158sleep00-21swapper/019:07:320
25836993029cyclictest3055050irq/54-eth0-tx-21:15:561
25862992928cyclictest3055050irq/54-eth0-tx-21:16:033
25843992827cyclictest3055050irq/54-eth0-tx-21:15:594
25857992726cyclictest3055050irq/54-eth0-tx-21:15:492
25857992517cyclictest12189-21ssh00:30:182
25857992515cyclictest0-21swapper/1023:02:202
25852992524cyclictest3054950irq/53-eth0-rx-21:15:587
25857992417cyclictest0-21swapper/1019:25:482
25857992416cyclictest0-21swapper/1023:41:412
25857992416cyclictest0-21swapper/1022:02:502
25857992416cyclictest0-21swapper/1022:02:492
25857992416cyclictest0-21swapper/1021:44:002
25857992415cyclictest0-21swapper/1022:57:112
25857992415cyclictest0-21swapper/1000:24:512
25857992316cyclictest9528-1kworker/10:1H19:37:502
25857992316cyclictest31278-1kworker/10:0H22:20:072
25857992316cyclictest12875-21kworker/10:222:44:452
25857992316cyclictest0-21swapper/1023:17:282
25857992316cyclictest0-21swapper/1023:06:442
25857992316cyclictest0-21swapper/1022:25:552
25857992316cyclictest0-21swapper/1021:46:352
25857992316cyclictest0-21swapper/1021:39:222
25857992316cyclictest0-21swapper/1021:39:212
25857992316cyclictest0-21swapper/1019:20:522
25857992316cyclictest0-21swapper/1000:15:112
25857992315cyclictest31278-1kworker/10:0H21:10:082
25857992315cyclictest31278-1kworker/10:0H21:10:082
25857992315cyclictest12875-21kworker/10:200:06:002
25857992315cyclictest0-21swapper/1021:54:182
25857992315cyclictest0-21swapper/1021:21:502
25857992315cyclictest0-21swapper/1000:37:182
25857992314cyclictest0-21swapper/1019:50:212
25852992315cyclictest19902-21ntp_states00:10:217
2586299227cyclictest0-21swapper/1122:24:013
25857992216cyclictest0-21swapper/1023:59:112
25857992216cyclictest0-21swapper/1022:51:292
25857992216cyclictest0-21swapper/1022:14:042
25857992216cyclictest0-21swapper/1019:59:122
25857992216cyclictest0-21swapper/1019:11:282
25857992216cyclictest0-21swapper/1000:10:582
25857992215cyclictest0-21swapper/1021:57:242
25857992214cyclictest0-21swapper/1023:31:542
25855992221cyclictest3055050irq/54-eth0-tx-21:16:0010
25857992115cyclictest0-21swapper/1022:45:212
25857992115cyclictest0-21swapper/1022:38:222
25857992115cyclictest0-21swapper/1022:18:292
25857992114cyclictest0-21swapper/1021:30:112
25857992014cyclictest0-21swapper/1020:05:242
25852992013cyclictest26107-21ssh22:06:127
2585299200cyclictest0-21swapper/522:23:537
25823992019cyclictest0-21swapper/021:15:490
25823992018cyclictest0-21swapper/019:25:230
2582399200cyclictest0-21swapper/020:30:460
2585799192cyclictest3054950irq/53-eth0-rx-23:49:312
2585799192cyclictest3054950irq/53-eth0-rx-23:28:082
2585799192cyclictest3054950irq/53-eth0-rx-23:12:302
2585799192cyclictest12250irq/42-ahci20:23:482
25857991917cyclictest12875-21kworker/10:222:33:062
25857991914cyclictest0-21swapper/1000:04:232
2585699192cyclictest0-21swapper/922:25:2311
2586299184cyclictest0-21swapper/1121:52:383
25857991817cyclictest0-21swapper/1020:30:152
2585799181cyclictest3055050irq/54-eth0-tx-23:20:292
2585799181cyclictest3055050irq/54-eth0-tx-22:05:082
2585799181cyclictest3055050irq/54-eth0-tx-00:26:082
2585799181cyclictest3054950irq/53-eth0-rx-23:51:312
2585799181cyclictest3054950irq/53-eth0-rx-23:38:172
2585799181cyclictest3054950irq/53-eth0-rx-21:26:262
2585799181cyclictest3054950irq/53-eth0-rx-20:11:442
2585799181cyclictest12250irq/42-ahci20:41:092
2585799181cyclictest12250irq/42-ahci20:35:552
2585799181cyclictest12250irq/42-ahci20:17:162
2585799180cyclictest102942sleep1020:58:542
2585699181cyclictest761ksoftirqd/922:15:0111
2585699181cyclictest6420-21perl00:00:1611
2585699181cyclictest31881-21ssh23:03:3411
2585699181cyclictest27682-21iostat_ios23:25:1711
2585699181cyclictest0-21swapper/923:51:1111
2585699181cyclictest0-21swapper/923:46:2111
2585699181cyclictest0-21swapper/923:41:5111
2585699181cyclictest0-21swapper/923:30:1211
2585699181cyclictest0-21swapper/923:12:1211
2585699181cyclictest0-21swapper/923:06:4611
2585699181cyclictest0-21swapper/922:55:2711
2585699181cyclictest0-21swapper/922:54:3711
2585699181cyclictest0-21swapper/922:43:4411
2585699181cyclictest0-21swapper/922:35:1811
2585699181cyclictest0-21swapper/922:22:4311
2585699181cyclictest0-21swapper/921:56:3911
2585699181cyclictest0-21swapper/921:50:4811
2585699181cyclictest0-21swapper/921:47:5711
2585699181cyclictest0-21swapper/921:43:0511
2585699181cyclictest0-21swapper/921:26:5411
2585699181cyclictest0-21swapper/919:35:4111
2585699181cyclictest0-21swapper/900:33:0011
2585699181cyclictest0-21swapper/900:27:5711
2585699181cyclictest0-21swapper/900:15:2311
2585699181cyclictest0-21swapper/900:09:1411
25854991817cyclictest3054950irq/53-eth0-rx-21:16:069
25843991816cyclictest32596-21snmp_rack3slot919:15:144
25843991816cyclictest25211-21snmp_rack3slot921:40:174
25843991816cyclictest23097-21snmp_rack3slot922:30:154
25843991816cyclictest21376-21iostat_ios23:20:164
2586299170cyclictest11135-21taskset21:30:113
2585799170cyclictest3054950irq/53-eth0-rx-21:05:262
2585799170cyclictest3054950irq/53-eth0-rx-21:05:262
2585799170cyclictest3054950irq/53-eth0-rx-21:00:162
2585799170cyclictest3054950irq/53-eth0-rx-20:54:302
2585799170cyclictest3054950irq/53-eth0-rx-20:46:202
2585799170cyclictest3054950irq/53-eth0-rx-19:46:172
2585799170cyclictest3054950irq/53-eth0-rx-19:31:272
2585799170cyclictest3054950irq/53-eth0-rx-19:15:112
2585799170cyclictest22382sleep1020:01:482
2585799170cyclictest205312sleep1020:26:022
2585799170cyclictest12250irq/42-ahci19:40:452
25856991716cyclictest26641-21snmp_easybox.os19:50:2311
2585699170cyclictest32161-21perl21:20:1711
2585699170cyclictest20474-21ssh22:02:1511
2585699170cyclictest20474-21ssh22:02:1411
2585699170cyclictest0-21swapper/923:39:2011
2585699170cyclictest0-21swapper/923:24:1411
2585699170cyclictest0-21swapper/923:19:4311
2585699170cyclictest0-21swapper/922:08:1311
2585699170cyclictest0-21swapper/921:35:1411
2585699170cyclictest0-21swapper/921:35:1411
2585699170cyclictest0-21swapper/920:50:1411
2585699170cyclictest0-21swapper/919:25:2311
2585699170cyclictest0-21swapper/919:25:0211
2585699170cyclictest0-21swapper/900:39:0311
2585699170cyclictest0-21swapper/900:21:0011
25855991715cyclictest0-21swapper/822:06:4710
25855991715cyclictest0-21swapper/822:00:3610
25855991715cyclictest0-21swapper/822:00:3610
25853991715cyclictest6097-21qemu-kvm20:08:398
25843991715cyclictest9893-21munin-run20:15:004
25843991715cyclictest28937-21diskstats19:55:144
25843991715cyclictest27547-21perl19:10:134
25843991715cyclictest26922-21diskstats23:25:144
25843991715cyclictest22944-21iostat_ios20:30:184
25843991715cyclictest19126-21snmp_easybox.os00:35:264
25843991715cyclictest17988-21diskstats19:40:134
25843991715cyclictest15514-21snmp_rack3slot923:40:384
25843991715cyclictest12142-21users22:20:264
25843991715cyclictest11450-21snmp_rack3slot920:15:154
2582399171cyclictest0-21swapper/021:08:240
2582399171cyclictest0-21swapper/021:08:230
2586299160cyclictest2699-21runrttasks22:12:423
25856991615cyclictest761ksoftirqd/900:10:2111
25856991615cyclictest13265-21ssh22:48:5611
25856991615cyclictest0-21swapper/922:17:2711
25856991615cyclictest0-21swapper/921:30:1611
25856991615cyclictest0-21swapper/921:11:3011
25856991615cyclictest0-21swapper/921:11:3011
25856991615cyclictest0-21swapper/920:25:1711
25856991615cyclictest0-21swapper/919:55:4911
2585599165cyclictest0-21swapper/823:25:1810
2585599163cyclictest0-21swapper/822:52:3810
25855991614cyclictest0-21swapper/823:35:5110
25855991614cyclictest0-21swapper/823:17:2810
25855991614cyclictest0-21swapper/823:09:0010
25855991614cyclictest0-21swapper/821:31:5510
25855991614cyclictest0-21swapper/800:15:4310
25855991614cyclictest0-21swapper/800:14:4810
25855991614cyclictest0-21swapper/800:03:1510
2585599161cyclictest0-21swapper/822:30:1810
2585599161cyclictest0-21swapper/822:13:0110
2585599161cyclictest0-21swapper/819:15:2610
2585499165cyclictest0-21swapper/722:55:009
2585499165cyclictest0-21swapper/720:25:019
2585499164cyclictest0-21swapper/723:50:009
2585499164cyclictest0-21swapper/723:10:019
25852991614cyclictest12860-21snmp_easybox.os00:30:257
2585099161cyclictest0-21swapper/322:45:275
2585099160cyclictest0-21swapper/300:30:235
25843991615cyclictest22975-21python19:45:234
25843991614cyclictest7800-21iostat_ios19:25:184
25843991614cyclictest5890-21snmp_rack3slot920:06:084
25843991614cyclictest4643-21munin-run00:00:004
25843991614cyclictest27590-21ssh22:08:344
25843991614cyclictest25864-21diskstats20:35:154
25843991614cyclictest25712-21iostat_ios00:15:184
25843991614cyclictest2305-21snmpd22:17:234
25843991614cyclictest20097-21snmp_rack3slot922:01:384
25843991614cyclictest20097-21snmp_rack3slot922:01:374
25843991614cyclictest19985-21ssh22:28:054
25843991614cyclictest15794-21perl21:05:164
25843991614cyclictest15794-21perl21:05:164
25843991614cyclictest15550-21snmp_rack3slot900:07:164
25843991614cyclictest14846-21snmp_rack3slot919:35:164
25843991614cyclictest13102-21snmp_easybox.os21:00:274
2584399161cyclictest0-21swapper/222:58:324
2582399161cyclictest0-21swapper/022:46:230
2586299150cyclictest10529-21turbostat21:30:003
25856991514cyclictest0-21swapper/923:56:4011
25856991514cyclictest0-21swapper/921:04:4911
25856991514cyclictest0-21swapper/920:15:0011
25856991514cyclictest0-21swapper/919:45:0011
2585599154cyclictest0-21swapper/823:46:0910
2585599154cyclictest0-21swapper/823:30:4910
25855991514cyclictest15701-21smartctl19:35:2410
25855991513cyclictest0-21swapper/823:55:2410
25855991513cyclictest0-21swapper/823:11:4210
25855991513cyclictest0-21swapper/823:03:4610
25855991513cyclictest0-21swapper/822:42:0010
25855991513cyclictest0-21swapper/821:55:5310
25855991513cyclictest0-21swapper/821:51:3110
25855991513cyclictest0-21swapper/821:20:2810
25855991513cyclictest0-21swapper/821:11:1310
25855991513cyclictest0-21swapper/821:11:1210
25855991513cyclictest0-21swapper/820:59:0810
25855991513cyclictest0-21swapper/820:50:0910
25855991513cyclictest0-21swapper/820:49:4710
25855991513cyclictest0-21swapper/820:31:4110
25855991513cyclictest0-21swapper/819:56:1510
25855991513cyclictest0-21swapper/800:36:0710
25855991513cyclictest0-21swapper/800:20:1410
25855991513cyclictest0-21swapper/800:07:5010
25855991511cyclictest0-21swapper/823:20:2710
2585599151cyclictest0-21swapper/822:45:0510
2585599151cyclictest0-21swapper/822:35:1010
2585599151cyclictest0-21swapper/821:46:5910
2585599151cyclictest0-21swapper/821:40:0810
2585499155cyclictest0-21swapper/719:50:019
2585499154cyclictest0-21swapper/722:20:129
2585499154cyclictest0-21swapper/719:35:019
2585499153cyclictest12755-21rt-features00:30:229
25853991514cyclictest6097-21qemu-kvm20:19:418
2585299150cyclictest0-21swapper/522:58:237
2585299150cyclictest0-21swapper/522:33:567
2585199150cyclictest0-21swapper/422:58:216
2585199150cyclictest0-21swapper/419:25:136
2585199150cyclictest0-21swapper/419:10:126
2585099150cyclictest0-21swapper/323:08:555
2585099150cyclictest0-21swapper/322:59:085
25843991514cyclictest25188-21df19:50:114
25843991513cyclictest8319-21perl20:55:154
25843991513cyclictest1974-21ntp_states23:30:204
25843991513cyclictest1278-21snmp_rack3slot900:21:134
25843991513cyclictest11100-21snmp_rack3slot919:30:144
25843991513cyclictest10650-21snmp_rack3slot900:30:114
2584399150cyclictest0-21swapper/223:10:214
2583699150cyclictest0-21swapper/123:08:181
2583699150cyclictest0-21swapper/122:58:241
2583699150cyclictest0-21swapper/122:30:221
25823991514cyclictest3054950irq/53-eth0-rx-21:29:290
2582399150cyclictest0-21swapper/022:33:500
2582399150cyclictest0-21swapper/021:24:170
2586299144cyclictest0-21swapper/1123:15:003
2586299144cyclictest0-21swapper/1100:05:013
25862991412cyclictest69952sleep1122:17:163
2585599144cyclictest14095-21if_eth123:40:1810
2585599143cyclictest0-21swapper/819:10:1210
2585599142cyclictest0-21swapper/821:26:3610
25855991412cyclictest0-21swapper/823:50:2510
25855991412cyclictest0-21swapper/822:21:5010
25855991412cyclictest0-21swapper/822:15:5110
25855991412cyclictest0-21swapper/819:45:1810
25855991412cyclictest0-21swapper/800:30:1110
25855991412cyclictest0-21swapper/800:25:1310
25855991411cyclictest0-21swapper/821:36:4210
25855991411cyclictest0-21swapper/821:36:4210
2585599141cyclictest0-21swapper/822:55:4610
2585599141cyclictest0-21swapper/822:25:0510
2585599141cyclictest0-21swapper/821:05:3810
2585599141cyclictest0-21swapper/821:05:3810
2585599141cyclictest0-21swapper/821:00:1710
2585599141cyclictest0-21swapper/820:35:2410
2585599141cyclictest0-21swapper/820:05:1910
2585499145cyclictest0-21swapper/723:35:009
2585499144cyclictest0-21swapper/723:40:029
2585499144cyclictest0-21swapper/722:29:099
2585499144cyclictest0-21swapper/722:12:239
2585499144cyclictest0-21swapper/721:55:029
2585499144cyclictest0-21swapper/719:50:019
2585499143cyclictest0-21swapper/700:25:019
2585499142cyclictest0-21swapper/722:52:379
2585499142cyclictest0-21swapper/719:15:269
25854991411cyclictest15709-21ssh00:07:329
2585499141cyclictest0-21swapper/719:10:139
2585399143cyclictest0-21swapper/623:24:548
2585299140cyclictest0-21swapper/522:29:587
2585099142cyclictest0-21swapper/323:46:095
25843991412cyclictest6359-21perl00:00:154
25843991412cyclictest4154-21snmp_rack3slot923:05:504
25843991412cyclictest30686-21snmp_rack3slot923:01:364
25843991412cyclictest30448-21snmp_rack3slot922:10:144
25843991412cyclictest19441-21iostat_ios00:10:174
25843991412cyclictest16737-21snmp_rack3slot923:16:004
25843991412cyclictest1508-21snmp_easybox.os20:00:304
2583699142cyclictest0-21swapper/119:27:191
25836991413cyclictest17755-21diskmemload22:26:361
25823991412cyclictest0-21swapper/019:34:170
3054950130irq/53-eth0-rx-27886-21ssh21:15:5911
3054950130irq/53-eth0-rx-0-21swapper/522:45:247
2586299134cyclictest0-21swapper/1123:30:013
2586299134cyclictest0-21swapper/1119:10:013
2586299134cyclictest0-21swapper/1100:12:043
2586299133cyclictest0-21swapper/1123:57:173
2586299133cyclictest0-21swapper/1123:51:473
2586299133cyclictest0-21swapper/1123:47:093
2586299133cyclictest0-21swapper/1123:44:403
2586299133cyclictest0-21swapper/1123:25:103
2586299133cyclictest0-21swapper/1123:20:393
2586299133cyclictest0-21swapper/1123:17:163
2586299133cyclictest0-21swapper/1123:02:393
2586299133cyclictest0-21swapper/1122:59:403
2586299133cyclictest0-21swapper/1122:46:263
2586299133cyclictest0-21swapper/1122:36:103
2586299133cyclictest0-21swapper/1122:33:413
2586299133cyclictest0-21swapper/1122:06:263
2586299133cyclictest0-21swapper/1121:55:073
2586299133cyclictest0-21swapper/1121:47:523
2586299133cyclictest0-21swapper/1121:39:413
2586299133cyclictest0-21swapper/1121:39:413
2586299133cyclictest0-21swapper/1121:12:223
2586299133cyclictest0-21swapper/1121:12:213
2586299133cyclictest0-21swapper/1121:05:373
2586299133cyclictest0-21swapper/1121:05:373
2586299133cyclictest0-21swapper/1121:02:073
2586299133cyclictest0-21swapper/1120:59:103
2586299133cyclictest0-21swapper/1119:45:093
2586299133cyclictest0-21swapper/1100:36:473
2586299133cyclictest0-21swapper/1100:00:403
2585699131cyclictest0-21swapper/921:05:1411
2585699131cyclictest0-21swapper/921:05:1411
2585599133cyclictest0-21swapper/820:25:2010
2585599133cyclictest0-21swapper/820:11:3910
2585599131cyclictest0-21swapper/820:41:2810
2585599131cyclictest0-21swapper/820:20:4110
2585599131cyclictest0-21swapper/820:15:2310
2585599131cyclictest0-21swapper/820:00:0910
2585599131cyclictest0-21swapper/819:50:5210
2585599131cyclictest0-21swapper/819:41:0710
2585599131cyclictest0-21swapper/819:30:5810
2585599131cyclictest0-21swapper/819:25:1010
2585599131cyclictest0-21swapper/819:22:5410
2585499139cyclictest0-21swapper/721:14:389
2585499139cyclictest0-21swapper/721:14:389
2585499134cyclictest0-21swapper/722:45:019
2585499134cyclictest0-21swapper/720:10:009
2585499134cyclictest0-21swapper/719:55:509
2585499134cyclictest0-21swapper/719:35:019
2585499134cyclictest0-21swapper/700:10:169
2585499133cyclictest0-21swapper/723:46:409
2585499133cyclictest0-21swapper/721:37:419
2585499133cyclictest0-21swapper/721:37:409
2585499133cyclictest0-21swapper/721:31:529
2585499133cyclictest0-21swapper/721:21:409
2585499133cyclictest0-21swapper/720:35:009
2585499133cyclictest0-21swapper/719:24:099
2585499133cyclictest0-21swapper/700:16:419
2585499132cyclictest0-21swapper/723:20:139
25854991311cyclictest31465-21chrt20:40:509
25854991311cyclictest18163-21grep22:00:209
25854991311cyclictest18163-21grep22:00:209
25854991311cyclictest0-21swapper/723:25:059
25854991311cyclictest0-21swapper/721:05:239
25854991311cyclictest0-21swapper/721:05:229
25854991310cyclictest0-21swapper/721:40:159
2585399133cyclictest0-21swapper/621:05:108
2585399133cyclictest0-21swapper/621:05:108
25853991312cyclictest6097-21qemu-kvm20:10:568
25852991311cyclictest5811-21snmp_easybox.os20:50:267
2585099134cyclictest0-21swapper/322:04:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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