[dtrace-discuss] Quick quesion

[Vivek Joshi]

Hi,

How can I print the structure contents using DTrace ...

For example, here is the truss output while execution of my program,
/90:    ioctl(12, 0x04C9, 0xFE97B83C)                   = 0
/90:    ioctl(12, 0x04C9, 0xFE97B924)                   Err#5 EIO

The third field above is 'struct uscsi_cmd'. I am not sure why the
second ioctl is failing, I want to confirm that scsi cdb is formed
correctly in this case. How can I print this structure in parallel
while running the program?

Thanks for the inputs.

Cheers,
Vivek
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