From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexei Starovoitov Subject: [PATCH net-next 3/3] bpf: let kprobe programs use bpf_get_smp_processor_id() helper Date: Fri, 12 Jun 2015 14:40:26 -0700 Message-ID: <1434145226-17892-4-git-send-email-ast@plumgrid.com> References: <1434145226-17892-1-git-send-email-ast@plumgrid.com> Cc: Ingo Molnar , Steven Rostedt , Wang Nan , lizefan@huawei.com, Daniel Wagner , Daniel Borkmann , linux-api@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: "David S. Miller" Return-path: Received: from mail-qk0-f171.google.com ([209.85.220.171]:34222 "EHLO mail-qk0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753897AbbFLVkk (ORCPT ); Fri, 12 Jun 2015 17:40:40 -0400 Received: by qkdm188 with SMTP id m188so1505152qkd.1 for ; Fri, 12 Jun 2015 14:40:39 -0700 (PDT) In-Reply-To: <1434145226-17892-1-git-send-email-ast@plumgrid.com> Sender: netdev-owner@vger.kernel.org List-ID: It's useful to do per-cpu histograms. Suggested-by: Daniel Wagner Signed-off-by: Alexei Starovoitov --- kernel/trace/bpf_trace.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index 4f9b5d41869b..88a041adee90 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -181,6 +181,8 @@ static const struct bpf_func_proto *kprobe_prog_func_proto(enum bpf_func_id func return &bpf_get_current_comm_proto; case BPF_FUNC_trace_printk: return bpf_get_trace_printk_proto(); + case BPF_FUNC_get_smp_processor_id: + return &bpf_get_smp_processor_id_proto; default: return NULL; } -- 1.7.9.5