trace_zfs.d

Solaris下的文件系统编程,sun公司培训用例.

syscall::read:entry
/execname == "cat"/
{
	self->traceme = 1;
	printf("fd:%d", arg0);
	/*The parametre arg0 is the offset(in bytes) of the*/
	/*returning instruction in the function text, arg1 is*/
	/*the returned value.*/
}

fbt:::
/self->traceme/
{}

syscall::read:return
/self->traceme/
{
	self->traceme= 0;
	exit(0);
}