From patchwork Fri Jun 12 21:40:26 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexei Starovoitov X-Patchwork-Id: 483767 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 5B7B014029E for ; Sat, 13 Jun 2015 07:40:55 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754723AbbFLVks (ORCPT ); Fri, 12 Jun 2015 17:40:48 -0400 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) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=4Lt/qngvOkBhxakMm1c/YQ9crPRmIUGuID8ZzRcJXUU=; b=QQzbmqcu0RBV0ToOj8qquigqkpyN4fwVTuq7fyxlwdq+UBOilgmuU1gfRA9940j3mr DIBtS7P9gIF3HrhSOJbVphaBWxqjJ8QD6216cb6ZAujhr77VyxyWyxXDHCVyNt/2zAIX S3NVOk60EXBG90Mke5TBPW7Wi3t0QW3AgUHN/koVMSDQ+3BDGlbXtGto4lkpUR7QiwIG yVNcUDx2y19GxTOtJAS1PkWSZhKWOTsVZDs6crlwzpqnohmrhZgVfbNcjLU9UIKYs9Dv Lb91p/MP41rjT7JfUr9y18aAfvddccCpRMhhAhz4FWYxMPZsR/pY9NUb7IL/lvxt50dR J5ug== X-Gm-Message-State: ALoCoQmy8KuvTWVmIQQ0KnADftNNM+32kW8TwxDPzJKAU6CqK1L4D78hCb8ewMGmP3+MgE299hqC X-Received: by 10.140.195.73 with SMTP id q70mr22493994qha.70.1434145239546; Fri, 12 Jun 2015 14:40:39 -0700 (PDT) Received: from localhost.localdomain ([12.229.56.227]) by mx.google.com with ESMTPSA id 197sm2216620qhq.23.2015.06.12.14.40.38 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 12 Jun 2015 14:40:39 -0700 (PDT) From: Alexei Starovoitov To: "David S. Miller" 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 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> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1434145226-17892-1-git-send-email-ast@plumgrid.com> References: <1434145226-17892-1-git-send-email-ast@plumgrid.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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; }