Queue: RHEL3U6-32b-XEN32 User: QA Hypervisor Build: 20060505_000 Version: main Config: Release Path: /repository/trees/main/20060505_000/xen32/xen-unstable/dist Dist:Xen32 Completion status: test run completed Start time: May 4, 2006 3:57:19 PM End time: May 5, 2006 4:11:28 AM Elapsed time: 12 hours 14 minutes 9 seconds Tests/Config changes in queue: 851 Tests processed: 851 Tests passed: 850 Tests failed: 1 Tests aborted: 0 Forced reboots: 0 aio-stress025 performance issue: RHEL4U2-32b native hardware: 6 seconds RHEL4U2-32b domU guest: 3 minutes 31 seconds RHEL3U6-32b domU guest: 173 minutes 1 second Here are the timed runs: dom0 run on native hardware: ---------------------------- [root@tst122 ~]# time ./aio-stress -I500 -o3 -O -r512 -t8 /test/aiodio/junkfile /test/aiodio/file2 /test/aiodio/file7 /test/aiodio/file8 /test/aiodio/file3 /test/aiodio/file4 /test/aiodio/file5 /test/aiodio/file6 adding stage random read starting with random read file size 1024MB, record size 512KB, depth 64, ios per iteration 8 max io_submit 64, buffer alignment set to 4KB threads 8 files 8 contexts 1 context offset 2MB verification off Running multi thread version num_threads:8 random read on /test/aiodio/file3 (182109.19 MB/s) 1024.00 MB in 0.01s random read on /test/aiodio/file6 (175975.25 MB/s) 1024.00 MB in 0.01s random read on /test/aiodio/file4 (176887.20 MB/s) 1024.00 MB in 0.01s random read on /test/aiodio/file2 (40123.82 MB/s) 1024.00 MB in 0.03s random read on /test/aiodio/file5 (95934.05 MB/s) 1024.00 MB in 0.01s random read on /test/aiodio/file8 (4322.75 MB/s) 1024.00 MB in 0.24s random read on /test/aiodio/file7 (4224.42 MB/s) 1024.00 MB in 0.24s thread 5 random read totals (2815.35 MB/s) 1024.00 MB in 0.36s thread 7 random read totals (2770.62 MB/s) 1024.00 MB in 0.37s thread 4 random read totals (2728.51 MB/s) 1024.00 MB in 0.38s thread 1 random read totals (2720.31 MB/s) 1024.00 MB in 0.38s thread 6 random read totals (2860.49 MB/s) 1024.00 MB in 0.36s thread 2 random read totals (1153.87 MB/s) 1024.00 MB in 0.89s thread 3 random read totals (1153.87 MB/s) 1024.00 MB in 0.89s random read on /test/aiodio/junkfile (1.63 MB/s) 4.00 MB in 2.46s thread 0 random read totals (1.62 MB/s) 4.00 MB in 2.47s random read throughput (2905.81 MB/s) 7172.00 MB in 2.47s min transfer 4.00MB real 0m5.748s user 0m0.050s sys 0m0.620s [root@tst122 ~]# RHEL4U2-32b domU guest: ----------------------- [root@vs162 testcases]# time ./kernel/io/ltp-aiodio/aio-stress -I500 -o3 -O -r512 -t8 /test/aiodio/junkfile /test/aiodio/file2 /test/aiodio/file7 /test/aiodio/file8 /test/aiodio/file3 /test/aiodio/file4 /test/aiodio/file5 /test/aiodio/file6 adding stage random read starting with random read file size 1024MB, record size 512KB, depth 64, ios per iteration 8 max io_submit 64, buffer alignment set to 4KB threads 8 files 8 contexts 1 context offset 2MB verification off Running multi thread version num_threads:8 random read on /test/aiodio/file2 (7.30 MB/s) 1024.00 MB in 140.35s thread 1 random read totals (7.27 MB/s) 1024.00 MB in 140.84s random read on /test/aiodio/file4 (0.06 MB/s) 8.00 MB in 141.47s thread 5 random read totals (0.06 MB/s) 8.00 MB in 141.60s random read on /test/aiodio/file5 (0.03 MB/s) 4.00 MB in 141.83s thread 6 random read totals (0.03 MB/s) 4.00 MB in 141.94s random read on /test/aiodio/file8 (0.03 MB/s) 4.00 MB in 142.82s thread 3 random read totals (0.03 MB/s) 4.00 MB in 142.92s random read on /test/aiodio/file3 (0.03 MB/s) 4.00 MB in 143.04s thread 4 random read totals (0.03 MB/s) 4.00 MB in 143.08s random read on /test/aiodio/file6 (0.03 MB/s) 4.00 MB in 143.45s thread 7 random read totals (0.03 MB/s) 4.00 MB in 143.52s random read on /test/aiodio/file7 (0.03 MB/s) 4.00 MB in 143.80s thread 2 random read totals (0.03 MB/s) 4.00 MB in 143.91s random read on /test/aiodio/junkfile (0.03 MB/s) 4.00 MB in 145.83s thread 0 random read totals (0.03 MB/s) 4.00 MB in 145.92s random read throughput (7.24 MB/s) 1056.00 MB in 145.92s min transfer 4.00MB real 2m31.215s user 0m0.724s sys 0m1.916s [root@vs162 testcases]# RHEL3U6 domU guest: ------------------- [root@vs174 testcases]# time ./kernel/io/ltp-aiodio/aio-stress -I500 -o3 -O -r512 -t8 /test/aiodio/junkfile /test/aiodio/file2 /test/aiodio/file7 /test/aiodio/file8 /test/aiodio/file3 /test/aiodio/file4 /test/aiodio/file5 /test/aiodio/file6 adding stage random read starting with random read file size 1024MB, record size 512KB, depth 64, ios per iteration 8 max io_submit 64, buffer alignment set to 4KB threads 8 files 8 contexts 1 context offset 2MB verification off Running multi thread version num_threads:8 random read on /test/aiodio/file7 (0.10 MB/s) 1024.00 MB in 10322.46s thread 2 random read totals (0.10 MB/s) 1024.00 MB in 10323.40s random read on /test/aiodio/file4 (0.10 MB/s) 1024.00 MB in 10332.31s thread 5 random read totals (0.10 MB/s) 1024.00 MB in 10332.59s random read on /test/aiodio/file5 (0.10 MB/s) 1024.00 MB in 10344.51s thread 6 random read totals (0.10 MB/s) 1024.00 MB in 10344.56s random read on /test/aiodio/file6 (0.10 MB/s) 1024.00 MB in 10346.31s thread 7 random read totals (0.10 MB/s) 1024.00 MB in 10346.88s random read on /test/aiodio/file3 (0.10 MB/s) 1024.00 MB in 10353.64s thread 4 random read totals (0.10 MB/s) 1024.00 MB in 10353.68s random read on /test/aiodio/file8 (0.09 MB/s) 972.00 MB in 10373.37s random read on /test/aiodio/file2 (0.08 MB/s) 860.00 MB in 10373.57s random read on /test/aiodio/junkfile (0.08 MB/s) 860.00 MB in 10373.59s thread 1 random read totals (0.08 MB/s) 860.00 MB in 10373.77s thread 3 random read totals (0.09 MB/s) 972.00 MB in 10373.76s thread 0 random read totals (0.08 MB/s) 860.00 MB in 10373.77s random read throughput (0.75 MB/s) 7812.00 MB in 10373.77s min transfer 860.00MB real 173m1.057s user 0m1.140s sys 0m49.050s [root@vs174 testcases]#