On Sat, Apr 28, 2018 at 10:28:06PM -0700, Yonghong Song wrote:
> Currently, stackmap and bpf_get_stackid helper are provided
> for bpf program to get the stack trace. This approach has
> a limitation though. If two stack traces have the same hash,
> only one will get stored in the stackmap table re
Currently, stackmap and bpf_get_stackid helper are provided
for bpf program to get the stack trace. This approach has
a limitation though. If two stack traces have the same hash,
only one will get stored in the stackmap table regardless of
whether BPF_F_REUSE_STACKID is specified or not,
so some st