Re: [RFC PATCH v8 47/49] perf tools: Generate prologue for BPF programs

[Alexei Starovoitov]

On 6/24/15 5:31 AM, Wang Nan wrote:
> This patch generates prologue for each 'struct probe_trace_event' for
> fetching arguments for BPF programs.
>
> After bpf__probe(), iterate over each programs to check whether
> prologue is required. If non of tev have argument, simply skip
> preprocessor hooking. For those who prologue is required, calls
> bpf__gen_prologue() and paste original instruction after prologue.

please don't abbreviate tev, pev in commit logs. It's hard to read
for anyone but core perf experts.

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