diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-08-08 10:05:17 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-08 10:05:17 +0200 |
| commit | f1d800bf615b84ca253af372d2dac8cdef743a20 (patch) | |
| tree | 0ba71f573541cf42609230d8d96bc5e4c295536c /tools/lib/bpf/bpf.h | |
| parent | 1354ac6ad84395660f551d0614a6ca39e5bfe8e3 (diff) | |
| parent | 9bc898c7019383b6aa2ae6cb2928c4ca926449f0 (diff) | |
Merge tag 'perf-ebpf-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/ebpf library + llvm/clang infrastructure changes from Arnaldo Carvalho de Melo:
Infrastructure changes:
- Add library for interfacing with the kernel eBPF infrastructure, with
tools/perf/ targeted as a first user. (Wang Nan)
- Add llvm/clang infrastructure for building BPF object files from C source
code. (Wang Nan)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/lib/bpf/bpf.h')
| -rw-r--r-- | tools/lib/bpf/bpf.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h new file mode 100644 index 000000000000..854b7361b784 --- /dev/null +++ b/tools/lib/bpf/bpf.h @@ -0,0 +1,23 @@ +/* + * common eBPF ELF operations. + * + * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org> + * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> + * Copyright (C) 2015 Huawei Inc. + */ +#ifndef __BPF_BPF_H +#define __BPF_BPF_H + +#include <linux/bpf.h> + +int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size, + int max_entries); + +/* Recommend log buffer size */ +#define BPF_LOG_BUF_SIZE 65536 +int bpf_load_program(enum bpf_prog_type type, struct bpf_insn *insns, + size_t insns_cnt, char *license, + u32 kern_version, char *log_buf, + size_t log_buf_sz); + +#endif |