[ECOS] how to link "gettimeofday" with arm-elf-gcc?

Andrew Lunn andrew@lunn.ch
Thu Nov 20 22:40:00 GMT 2003


On Thu, Nov 20, 2003 at 02:34:43PM -0800, Yusuke Matsuoka wrote:
> Hi Andrew and Gary,
> 
> Thanks for the reply.
> 
> I want to run the KVM(K virtual machine for Java) on eCos and
> want to measure the exec time of my Java application on the board.
> The original KVM implementation uses "gettimeofday", and I got
> the linker error.
> 
> Since I need a *millisecond* resolution, is there a better way 
> rather than including snmp?

cyg_current_time() will return the number of 10ms ticks since the
scheduler was started. 

Or you could run the test program 1,000,000 times and use a wallclock!

          Andrew

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