Fix stacksnoop PID filter
authorMark Drayton <mbd@fb.com>
Fri, 4 Mar 2016 08:51:20 +0000 (00:51 -0800)
committerMark Drayton <mbd@fb.com>
Fri, 4 Mar 2016 08:55:12 +0000 (00:55 -0800)
commitab133d2d3b0f28a523aa901c1514220ad8057b46
treef3bc88d0a365bd3fb9c73230a5daf268b6e9e1d3
parentee7936353b82da8f869d9cb7cbee514f2bfd66eb
Fix stacksnoop PID filter

The function FILTER is injected into (trace_stack()) returns void, not int.
tools/stacksnoop.py