On 6/11/18 7:42 PM, Jakub Kicinski wrote:
On Mon, 11 Jun 2018 19:01:08 -0700, Yonghong Song wrote:
Commit b04df400c302 ("tools/bpftool: add perf subcommand")
introduced bpftool subcommand perf to query bpf program
kuprobe and tracepoint attachments.
The perf subcommand will first test whethe
On Mon, 11 Jun 2018 19:01:08 -0700, Yonghong Song wrote:
> Commit b04df400c302 ("tools/bpftool: add perf subcommand")
> introduced bpftool subcommand perf to query bpf program
> kuprobe and tracepoint attachments.
>
> The perf subcommand will first test whether bpf subcommand
> BPF_TASK_FD_QUERY i
Commit b04df400c302 ("tools/bpftool: add perf subcommand")
introduced bpftool subcommand perf to query bpf program
kuprobe and tracepoint attachments.
The perf subcommand will first test whether bpf subcommand
BPF_TASK_FD_QUERY is supported in kernel or not. It does it
by opening a file with argv[