Manfred Spraul wrote:Hi, Here is what I could find on my side: ============================================================= lkernel@akt$ cat tst3/res_new/output [root@akt tests]# echo 32768 > /proc/sys/kernel/msgmni [root@akt tests]# ./msgbench_std_dev_plot -n 32768000 msgget iterations in 21.469724 seconds = 1526294/sec 32768000 msgsnd iterations in 18.891328 seconds = 1734583/sec 32768000 msgctl(ipc_stat) iterations in 15.359802 seconds = 2133472/sec 32768000 msgctl(msg_stat) iterations in 15.296114 seconds = 2142260/sec 32768000 msgctl(ipc_rmid) iterations in 32.981277 seconds = 993542/sec AVERAGE STD_DEV MIN MAX GET: 21469.724000 566.024657 19880 23607 SEND: 18891.328000 515.542311 18433 21962 IPC_STAT: 15359.802000 274.918673 15147 17166 MSG_STAT: 15296.114000 155.775508 15138 16790 RM: 32981.277000 675.621060 32141 35433 lkernel@akt$ cat tst3/res_ref/output [root@akt tests]# echo 32768 > /proc/sys/kernel/msgmni [root@akt tests]# ./msgbench_std_dev_plot -r 32768000 msgget iterations in 665.842852 seconds = 49213/sec 32768000 msgsnd iterations in 18.363853 seconds = 1784458/sec 32768000 msgctl(ipc_stat) iterations in 14.609669 seconds = 2243001/sec 32768000 msgctl(msg_stat) iterations in 14.774829 seconds = 2217950/sec 32768000 msgctl(ipc_rmid) iterations in 31.134984 seconds = 1052483/sec AVERAGE STD_DEV MIN MAX GET: 665842.852000 946.697555 654049 672208 SEND: 18363.853000 107.514954 18295 19563 IPC_STAT: 14609.669000 43.100272 14529 14881 MSG_STAT: 14774.829000 97.174924 14516 15436 RM: 31134.984000 444.612055 30521 33523 ================================================================== Unfortunately, I haven't kept the exact kernel release numbers, but the testing method was: res_ref = unpatched kernel res_new = same kernel release with my patches applied. What I'll try to do is to re-run your tests (pmsg and psem) with this method (from my what I saw, the patches applied on a 2.6.23-rc4-mm1), but I can't do it before Thursday. Regards, Nadia --
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