refs/heads/bpf_tracefs - pub/scm/linux/kernel/git/ast/bpf

commit: f45e52b114314f671afc0c9f3ce6217dfe7660b1
[log]
author: Alexei Starovoitov <ast@plumgrid.com>
Wed Aug 20 12:44:33 2014 -0700
committer: Alexei Starovoitov <ast@plumgrid.com>
Tue Jan 27 19:33:06 2015 -0800
tree: 0fc782abaf28472410258213e47cc1ee0a4195fc
parent: 7d824ef66d51fe919a9cb6c7e7dd30d8379f8162 [diff]

tracing: allow eBPF programs to call bpf_printk()

Debugging of eBPF programs needs some form of printk from the program,
so let programs call limited trace_printk() with %d %u %x %p modifiers only.

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>

include/uapi/linux/bpf.h[diff]
kernel/trace/bpf_trace.c[diff]
kernel/trace/trace_events.c[diff]

3 files changed

tree: 0fc782abaf28472410258213e47cc1ee0a4195fc