我的机器有nvidia Tesla K20m gpu。我想知道gpu利用率，内存利用率，温度和风扇速度。所以我用nvidia-smi来了解细节。 Nvidia-smi日志如下
==============NVSMI LOG==============
Timestamp : Tue Dec 10 11:06:11 2013
Driver Version : 319.49
Attached GPUs : 1
GPU 0000:84:00.0
Product Name : Tesla K20m
Display Mode : Disabled
Display Active : Disabled
Persistence Mode : Enabled
Accounting Mode : Disabled
Accounting Mode Buffer Size : 128
Driver Model
Current : N/A
Pending : N/A
Serial Number : 0325212069909
GPU UUID : GPU-8b890015-e683-4061-6596-d27716c2900b
VBIOS Version : 80.10.11.00.0B
Inforom Version
Image Version : 2081.0208.01.07
OEM Object : 1.1
ECC Object : 3.0
Power Management Object : N/A
GPU Operation Mode
Current : Compute
Pending : Compute
PCI
Bus : 0x84
Device : 0x00
Domain : 0x0000
Device Id : 0x102810DE
Bus Id : 0000:84:00.0
Sub System Id : 0x101510DE
GPU Link Info
PCIe Generation
Max : 2
Current : 1
Link Width
Max : 16x
Current : 16x
Fan Speed : N/A
Performance State : P8
Clocks Throttle Reasons
Idle : Active
Applications Clocks Setting : Not Active
SW Power Cap : Not Active
HW Slowdown : Not Active
Unknown : Not Active
Memory Usage
Total : 4799 MB
Used : 11 MB
Free : 4788 MB
Compute Mode : Default
Utilization
Gpu : 0 %
Memory : 0 %
Ecc Mode
Current : Enabled
Pending : Enabled
ECC Errors
Volatile
Single Bit
Device Memory : 0
Register File : 0
L1 Cache : 0
L2 Cache : 0
Texture Memory : 0
Total : 0
Double Bit
Device Memory : 0
Register File : 0
L1 Cache : 0
L2 Cache : 0
Texture Memory : 0
Total : 0
Aggregate
Single Bit
Device Memory : 0
Register File : 0
L1 Cache : 0
L2 Cache : 0
Texture Memory : 0
Total : 0
Double Bit
Device Memory : 0
Register File : 0
L1 Cache : 0
L2 Cache : 0
Texture Memory : 0
Total : 0
Retired Pages
Single Bit ECC : 0
Double Bit ECC : 0
Pending : No
Temperature
Gpu : 29 C
Power Readings
Power Management : Supported
Power Draw : 25.44 W
Power Limit : 225.00 W
Default Power Limit : 225.00 W
Enforced Power Limit : 225.00 W
Min Power Limit : 150.00 W
Max Power Limit : 225.00 W
Clocks
Graphics : 324 MHz
SM : 324 MHz
Memory : 324 MHz
Applications Clocks
Graphics : 705 MHz
Memory : 2600 MHz
Default Applications Clocks
Graphics : 705 MHz
Memory : 2600 MHz
Max Clocks
Graphics : 758 MHz
SM : 758 MHz
Memory : 2600 MHz
Compute Processes : None
如何了解风扇速度。有插件吗？任何人都可以帮助我吗？