Date: Sat 16 Aug 2025 07:27:29 AEST Test set: performance Kernel: 6.16.1-200.fc42.x86_64 Release: Fedora release 42 (Adams) Result: PASS Failed Tests: None Warned Tests: None ============================================================ Starting test ./performance/lmbench3 rerun cd src && make rerun make[1]: Entering directory '/home/adminu/kernel-tests/performance/lmbench3/src' gmake[2]: Entering directory '/home/adminu/kernel-tests/performance/lmbench3/src' gmake[2]: Nothing to be done for 'all'. gmake[2]: Leaving directory '/home/adminu/kernel-tests/performance/lmbench3/src' gmake[2]: Entering directory '/home/adminu/kernel-tests/performance/lmbench3/src' gmake[2]: Nothing to be done for 'opt'. gmake[2]: Leaving directory '/home/adminu/kernel-tests/performance/lmbench3/src' running ../scripts/results on x86_64-linux-gnu running lmbench with CONFIG.fed42vm to /dev/tty make[1]: Leaving directory '/home/adminu/kernel-tests/performance/lmbench3/src' L M B E N C H 3 . 0 S U M M A R Y ------------------------------------ (Alpha software, do not distribute) Processor, Processes - times in microseconds - smaller is better ------------------------------------------------------------------------------ Host OS Mhz null null open slct sig sig fork exec sh call I/O stat clos TCP inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- fed42vm Linux 6.15.9- 4174 0.10 0.13 0.67 1.40 1.49 0.14 0.93 319. 1596 2494 fed42vm Linux 6.16.0- 4174 0.14 0.17 0.63 1.25 1.39 0.15 1.25 236. 1267 1968 fed42vm Linux 6.15.10 4174 0.10 0.12 0.63 1.32 1.40 0.14 0.87 288. 1384 2171 fed42vm Linux 6.16.1- 4174 0.09 0.12 0.62 1.19 1.39 0.14 0.87 266. 1389 2147 Context switching - times in microseconds - smaller is better ------------------------------------------------------------------------- Host OS 2p/0K 2p/16K 2p/64K 8p/16K 8p/64K 16p/16K 16p/64K ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw --------- ------------- ------ ------ ------ ------ ------ ------- ------- fed42vm Linux 6.15.9- 6.3200 6.2000 8.1100 6.7500 7.4000 6.70000 8.32000 fed42vm Linux 6.16.0- 7.5700 7.2500 9.1000 6.4100 5.0200 6.49000 8.88000 fed42vm Linux 6.15.10 5.9000 5.3500 5.6100 5.7400 6.1600 5.87000 6.27000 fed42vm Linux 6.16.1- 5.8100 6.3000 6.0700 6.5000 7.4100 5.42000 7.05000 *Local* Communication latencies in microseconds - smaller is better --------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- fed42vm Linux 6.15.9- 6.320 14.3 13.6 20.8 21.1 23.4 23.5 24. fed42vm Linux 6.16.0- 7.570 13.7 12.0 16.9 16.4 16.8 18.8 16. fed42vm Linux 6.15.10 5.900 12.3 12.3 16.3 17.3 18.3 19.8 16. fed42vm Linux 6.16.1- 5.810 13.2 12.9 16.9 16.4 17.5 19.3 17. File & VM system latencies in microseconds - smaller is better ------------------------------------------------------------------------------- Host OS 0K File 10K File Mmap Prot Page 100fd Create Delete Create Delete Latency Fault Fault selct --------- ------------- ------ ------ ------ ------ ------- ----- ------- ----- fed42vm Linux 6.15.9- 7.9259 4.0556 16.5 7.1040 5606.0 0.489 0.19830 0.565 fed42vm Linux 6.16.0- 7.0164 3.5524 11.0 5.5039 5644.0 0.388 0.17370 0.617 fed42vm Linux 6.15.10 9.2648 4.3193 11.3 6.5627 5948.0 0.391 0.20560 0.562 fed42vm Linux 6.16.1- 8.3363 4.5118 10.8 5.6472 6974.0 0.379 0.19360 0.565 *Local* Communication bandwidths in MB/s - bigger is better ----------------------------------------------------------------------------- Host OS Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem UNIX reread reread (libc) (hand) read write --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- fed42vm Linux 6.15.9- 3369 9026 6092 9809.1 14.0K 8800.7 5691.5 13.K 8319. fed42vm Linux 6.16.0- 2837 5973 7250 10.2K 17.6K 7466.8 5581.8 14.K 7638. fed42vm Linux 6.15.10 3629 8993 5526 9917.1 17.4K 9249.1 5748.0 15.K 8340. fed42vm Linux 6.16.1- 3608 7724 7092 10.3K 17.6K 9028.8 4749.8 16.K 6481.