From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41DB1C46460 for ; Thu, 9 Aug 2018 15:01:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F1BB0214FF for ; Thu, 9 Aug 2018 15:01:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="2ikF1wLL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F1BB0214FF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733180AbeHIR0z (ORCPT ); Thu, 9 Aug 2018 13:26:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:39016 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730634AbeHIR0y (ORCPT ); Thu, 9 Aug 2018 13:26:54 -0400 Received: from jouet.infradead.org (179-240-153-38.3g.claro.net.br [179.240.153.38]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CDD3C21D62; Thu, 9 Aug 2018 15:01:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1533826897; bh=vfkCU3/XhDr04yYhv/AK7zeq6XzLa9mC3mHh89ZQ2Q4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2ikF1wLLqg52mKQRKC43vUwLMjz/ENsXCnMdJ98YtpqJClwj68LgTVY5e/tnZlmg/ 2VH1e1i9TBoHXBM79FMBaDcluSYVEw7kr+bO2i0mBbbrlS3RG1eCU2o7wA5ebVv8U0 TWBfGteSBkeYeI5wzav4IKSfUw09ZLV/Oz/YlsNE= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Jiri Olsa , Namhyung Kim , Wang Nan Subject: [PATCH 38/44] perf bpf: Add wrappers to BPF_FUNC_probe_read(_str) functions Date: Thu, 9 Aug 2018 11:58:16 -0300 Message-Id: <20180809145822.21391-39-acme@kernel.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180809145822.21391-1-acme@kernel.org> References: <20180809145822.21391-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo Will be used shortly in the augmented syscalls work together with a PERF_COUNT_SW_BPF_OUTPUT software event to insert syscalls + pointer contents in the perf ring buffer, to be consumed by 'perf trace' beautifiers. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-ajlkpz4cd688ulx1u30htkj3@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/include/bpf/bpf.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h index 1f632b56bb34..47897d65e799 100644 --- a/tools/perf/include/bpf/bpf.h +++ b/tools/perf/include/bpf/bpf.h @@ -30,4 +30,7 @@ struct bpf_map { char _license[] SEC("license") = #name; \ int _version SEC("version") = LINUX_VERSION_CODE; +static int (*probe_read)(void *dst, int size, const void *unsafe_addr) = (void *)BPF_FUNC_probe_read; +static int (*probe_read_str)(void *dst, int size, const void *unsafe_addr) = (void *)BPF_FUNC_probe_read_str; + #endif /* _PERF_BPF_H */ -- 2.14.4