Problem using systemtap with context_switch function and $next

Solution Verified - Updated -


semantic error: failed to retrieve location attribute for local 'next' (dieoffset: 0x30c568): identifier '$next' at ./switch_ctx.stp:6:42

when using following script:

/*#!/usr/bin/env stap

probe kernel.function("context_switch")
printf("%s -> %d \n",thread_indent(1),$next->pid)


Red Hat Enterprise Linux 5.4

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