Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753080AbbGNCAK (ORCPT ); Mon, 13 Jul 2015 22:00:10 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:45745 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751831AbbGNCAF (ORCPT ); Mon, 13 Jul 2015 22:00:05 -0400 From: He Kuang To: , , , , , , , CC: , , , Subject: [RFC PATCH v5 0/3] Make eBPF programs output data to perf Date: Tue, 14 Jul 2015 01:59:28 +0000 Message-ID: <1436839171-31527-1-git-send-email-hekuang@huawei.com> X-Mailer: git-send-email 1.8.3.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.197.210] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020202.55A46D1E.0050,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-05-26 15:14:31, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: cca5c53c0e54690a3f027e53bf576969 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1656 Lines: 46 Hi, Previous patch v4 url: http://thread.gmane.org/gmane.linux.kernel/1993353 This version we output bpf trace events in a hex array, the results for three u64 integers in previous sample changed to this: dd 1042 [000] 1296.122951: bpf:bpf_output_data: 7a ca aa c6 2d 01 00 00 95 87 ec ca 2d 01 00 00 1b bd 41 04 00 00 00 00 Users can interpret their own formats and get the result: last=0x12dc6aaca7a, cur=0x12dcaec8795, del=0x441bd1b v3-v4: - Change u64 array in trace event to u8. - Remove misleading 'perf event' in subject. Thank you. He Kuang (3): tracing/events: Fix wrong sample output by storing array length instead of size tools lib traceevent: Add function to get dynamic arrays length bpf: Introduce function for outputing trace event data include/trace/events/bpf.h | 30 +++++++++++++ include/trace/trace_events.h | 5 ++- include/uapi/linux/bpf.h | 7 +++ kernel/trace/bpf_trace.c | 23 ++++++++++ samples/bpf/bpf_helpers.h | 2 + tools/lib/traceevent/event-parse.c | 52 ++++++++++++++++++++++ tools/lib/traceevent/event-parse.h | 1 + .../util/scripting-engines/trace-event-python.c | 1 + 8 files changed, 119 insertions(+), 2 deletions(-) create mode 100644 include/trace/events/bpf.h -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/