add some error hints
authorBrendan Gregg <brendan.d.gregg@gmail.com>
Fri, 13 Jan 2017 22:02:02 +0000 (14:02 -0800)
committerBrendan Gregg <brendan.d.gregg@gmail.com>
Fri, 13 Jan 2017 22:02:02 +0000 (14:02 -0800)
commit3482637ab5b81d77b7b37d752c1719cbeb626a51
tree3b57a987dc43b285652fdde23650d53c670d3fa5
parent68ec110dfb4a19f000d1b52e9e4c3182b6d14f7e
add some error hints
src/cc/libbpf.c