1*2f245829Sagc 2*2f245829Sagc---------------------- 3*2f245829SagcUSER LEVEL PERFORMANCE 4*2f245829Sagc---------------------- 5*2f245829Sagc 6*2f245829SagcIf your system is correctly configured with GbE and a GHz processor, 7*2f245829Sagcyou should expect user level iSCSI performance similar to the following. 8*2f245829SagcThis output was generated by running utest against a target running uramdisk. 9*2f245829Sagc 10*2f245829Sagc##BEGIN DEVICE-SPECIFIC TESTS[0:0]## 11*2f245829Sagcread_capacity PASSED 12*2f245829Sagcwrite_read_test PASSED 13*2f245829Sagcintegrity_test PASSED 14*2f245829SagcSCSI op 0x28: 1000 iters in 0.24 sec --> 244.38 usec 15*2f245829SagcSCSI op 0x2a: 1000 iters in 0.25 sec --> 249.78 usec 16*2f245829SagcSCSI op 0x25: 1000 iters in 0.25 sec --> 250.12 usec 17*2f245829Sagc8192 bytes/request: 8 MB written in 0.33 seconds --> 24.35 MB/sec 18*2f245829Sagc16384 bytes/request: 8 MB written in 0.30 seconds --> 26.74 MB/sec 19*2f245829Sagc32768 bytes/request: 8 MB written in 0.20 seconds --> 39.06 MB/sec 20*2f245829Sagc65536 bytes/request: 8 MB written in 0.15 seconds --> 52.95 MB/sec 21*2f245829Sagc131072 bytes/request: 8 MB written in 0.12 seconds --> 66.74 MB/sec 22*2f245829Sagc262144 bytes/request: 8 MB written in 0.10 seconds --> 77.76 MB/sec 23*2f245829Sagc8192 bytes/request: 8 MB read in 0.37 seconds --> 21.34 MB/sec 24*2f245829Sagc16384 bytes/request: 8 MB read in 0.19 seconds --> 41.47 MB/sec 25*2f245829Sagc32768 bytes/request: 8 MB read in 0.13 seconds --> 62.04 MB/sec 26*2f245829Sagc65536 bytes/request: 8 MB read in 0.11 seconds --> 70.99 MB/sec 27*2f245829Sagc131072 bytes/request: 8 MB read in 0.10 seconds --> 83.62 MB/sec 28*2f245829Sagc262144 bytes/request: 8 MB read in 0.09 seconds --> 92.38 MB/sec 29*2f245829Sagc##END DEVICE-SPECIFIC TESTS[0:0]## 30*2f245829Sagc 31*2f245829Sagc------------------------ 32*2f245829SagcKERNEL LEVEL PERFORMANCE 33*2f245829Sagc------------------------ 34*2f245829Sagc 35*2f245829SagcKernel level performance (ktest to kramdisk.o) should be similar to the output 36*2f245829Sagcshown below. Note that this test does not go through the linux storage stack, 37*2f245829Sagcbut is rather a kernel level iSCSI test with no attached filesystem or SCSI 38*2f245829Sagcmidlayer. 39*2f245829Sagc 40*2f245829SagcThis output was generated by installing the module intel_iscsi.o and then 41*2f245829Sagcrunning "ktest <device>" where <device> is one of your iscsi devices (e.g, 42*2f245829Sagc/dev/sdb). Although you specify a single device on the command line, all 43*2f245829Sagctarget devices are tested. 44*2f245829Sagc 45*2f245829Sagc##BEGIN DEVICE-SPECIFIC TESTS[0:0]## 46*2f245829Sagcread_capacity PASSED 47*2f245829Sagcwrite_read_test PASSED 48*2f245829Sagcintegrity_test PASSED 49*2f245829SagcSCSI op 0x28: 1000 iters in 25 jiffies --> 250 usec 50*2f245829SagcSCSI op 0x2a: 1000 iters in 25 jiffies --> 250 usec 51*2f245829SagcSCSI op 0x25: 1000 iters in 25 jiffies --> 250 usec 52*2f245829Sagc8192 bytes/request: 8388608 bytes written in 38 jiffies --> ~ 21 MB/second 53*2f245829Sagc16384 bytes/request: 8388608 bytes written in 38 jiffies --> ~ 21 MB/second 54*2f245829Sagc32768 bytes/request: 8388608 bytes written in 23 jiffies --> ~ 34 MB/second 55*2f245829Sagc65536 bytes/request: 8388608 bytes written in 16 jiffies --> ~ 50 MB/second 56*2f245829Sagc131072 bytes/request: 8388608 bytes written in 12 jiffies --> ~ 66 MB/second 57*2f245829Sagc262144 bytes/request: 8388608 bytes written in 10 jiffies --> ~ 79 MB/second 58*2f245829Sagc8192 bytes/request: 8388608 bytes read in 26 jiffies --> ~ 30 MB/second 59*2f245829Sagc16384 bytes/request: 8388608 bytes read in 20 jiffies --> ~ 39 MB/second 60*2f245829Sagc32768 bytes/request: 8388608 bytes read in 12 jiffies --> ~ 66 MB/second 61*2f245829Sagc65536 bytes/request: 8388608 bytes read in 12 jiffies --> ~ 66 MB/second 62*2f245829Sagc131072 bytes/request: 8388608 bytes read in 10 jiffies --> ~ 79 MB/second 63*2f245829Sagc262144 bytes/request: 8388608 bytes read in 9 jiffies --> ~ 88 MB/second 64*2f245829Sagc##END DEVICE-SPECIFIC TESTS[0:0]## 65