CPU的情况：
root@host:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
microcode : 0x1
cpu MHz : 1999.999
cache size : 4096 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm pni cx16 hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
microcode : 0x1
cpu MHz : 1999.999
cache size : 4096 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm pni cx16 hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:

processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
microcode : 0x1
cpu MHz : 1999.999
cache size : 4096 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm pni cx16 hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:

processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
microcode : 0x1
cpu MHz : 1999.999
cache size : 4096 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm pni cx16 hypervisor lahf_lm
bogomips : 3999.99
clflush size : 64
cache_alignment : 64
address sizes : 46 bits physical, 48 bits virtual
power management:
内存情况：
root@host:~# cat /proc/meminfo
MemTotal: 1554236 kB
MemFree: 1506244 kB
Buffers: 5272 kB
Cached: 19392 kB
SwapCached: 0 kB
Active: 14916 kB
Inactive: 15656 kB
Active(anon): 5964 kB
Inactive(anon): 156 kB
Active(file): 8952 kB
Inactive(file): 15500 kB
Unevictable: 0 kB
Mlocked: 0 kB
HighTotal: 661500 kB
HighFree: 632236 kB
LowTotal: 892736 kB
LowFree: 874008 kB
SwapTotal: 1748988 kB
SwapFree: 1748988 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 5956 kB
Mapped: 4312 kB
Shmem: 180 kB
Slab: 7960 kB
SReclaimable: 2172 kB
SUnreclaim: 5788 kB
KernelStack: 576 kB
PageTables: 380 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 2526104 kB
Committed_AS: 37756 kB
VmallocTotal: 122880 kB
VmallocUsed: 2432 kB
VmallocChunk: 119840 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 8184 kB
DirectMap2M: 903168 kB
硬盘情况：
root@host:~# df -lh
Filesystem Size Used Avail Use% Mounted on
rootfs 38G 612M 36G 2% /
udev 10M 0 10M 0% /dev
tmpfs 152M 176K 152M 1% /run
/dev/disk/by-uuid/474c7db1-969d-424c-8f37-c4d7a40c68e7 38G 612M 36G 2% /
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 646M 0 646M 0% /run/shm

WGET，下载测速
root@host:~# wget http://cachefly.cachefly.net/100mb.test
--2013-07-30 02:05:46-- http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net (cachefly.cachefly.net)... 205.234.175.175
Connecting to cachefly.cachefly.net (cachefly.cachefly.net)|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100mb.test'

100%[======================================>] 104,857,600 26.7M/s in 3.9s

2013-07-30 02:05:51 (25.5 MB/s) - `100mb.test' saved [104857600/104857600]

DD情况：这I/O估计在高峰期：
root@host:~# dd if=/dev/zero of=test bs=64k count=16k oflag=dsync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 32.8361 s, 32.7 MB/s

跑分：

Benchmark Run: Sat Aug 03 2013 08:23:18 - 08:51:11
4 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables 12499274.6 lps (10.0 s, 7 samples)
Double-Precision Whetstone 2071.0 MWIPS (10.2 s, 7 samples)
Execl Throughput 1704.9 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 414820.4 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 112624.0 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1041196.1 KBps (30.0 s, 2 samples)
Pipe Throughput 630831.2 lps (10.0 s, 7 samples)
Pipe-based Context Switching 152566.9 lps (10.0 s, 7 samples)
Process Creation 4868.7 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 4814.6 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 1867.7 lpm (60.0 s, 2 samples)
System Call Overhead 716218.7 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 12499274.6 1071.1
Double-Precision Whetstone 55.0 2071.0 376.5
Execl Throughput 43.0 1704.9 396.5
File Copy 1024 bufsize 2000 maxblocks 3960.0 414820.4 1047.5
File Copy 256 bufsize 500 maxblocks 1655.0 112624.0 680.5
File Copy 4096 bufsize 8000 maxblocks 5800.0 1041196.1 1795.2
Pipe Throughput 12440.0 630831.2 507.1
Pipe-based Context Switching 4000.0 152566.9 381.4
Process Creation 126.0 4868.7 386.4
Shell Scripts (1 concurrent) 42.4 4814.6 1135.5
Shell Scripts (8 concurrent) 6.0 1867.7 3112.9
System Call Overhead 15000.0 716218.7 477.5
========
System Benchmarks Index Score 737.3

------------------------------------------------------------------------
Benchmark Run: Sat Aug 03 2013 08:51:11 - 09:19:05
4 CPUs in system; running 4 parallel copies of tests

Dhrystone 2 using register variables 49046504.2 lps (10.0 s, 7 samples)
Double-Precision Whetstone 8265.6 MWIPS (10.2 s, 7 samples)
Execl Throughput 10166.3 lps (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks 422165.5 KBps (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks 106321.9 KBps (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks 1133379.7 KBps (30.0 s, 2 samples)
Pipe Throughput 2430969.9 lps (10.0 s, 7 samples)
Pipe-based Context Switching 547457.7 lps (10.0 s, 7 samples)
Process Creation 28901.5 lps (30.0 s, 2 samples)
Shell Scripts (1 concurrent) 16622.3 lpm (60.0 s, 2 samples)
Shell Scripts (8 concurrent) 2445.3 lpm (60.0 s, 2 samples)
System Call Overhead 2494281.7 lps (10.0 s, 7 samples)

System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 49046504.2 4202.8
Double-Precision Whetstone 55.0 8265.6 1502.8
Execl Throughput 43.0 10166.3 2364.2
File Copy 1024 bufsize 2000 maxblocks 3960.0 422165.5 1066.1
File Copy 256 bufsize 500 maxblocks 1655.0 106321.9 642.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 1133379.7 1954.1
Pipe Throughput 12440.0 2430969.9 1954.2
Pipe-based Context Switching 4000.0 547457.7 1368.6
Process Creation 126.0 28901.5 2293.8
Shell Scripts (1 concurrent) 42.4 16622.3 3920.4
Shell Scripts (8 concurrent) 6.0 2445.3 4075.4
System Call Overhead 15000.0 2494281.7 1662.9
========
System Benchmarks Index Score 1962.2