about probe-alias.stp

[陈静相]

hi everyone:

I have a problem about probe-alias

I write a test.stp define a probe like

probe my.read = syscall.read
{
    printf("my_vfs\n")
}

run this stp have no result..

but define a probe like

probe syscall.read
{
   printf("my_vfs\n")
}

it have right result output...
why? who can help me...

and I also have a question
when a script have a probe and a probe alias. all of them will be run? ar not?