From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 113992 invoked by alias); 19 Jun 2019 15:02:57 -0000 Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org Received: (qmail 113970 invoked by uid 48); 19 Jun 2019 15:02:53 -0000 From: "wcohen at redhat dot com" To: systemtap@sourceware.org Subject: [Bug translator/23866] dissonance between kernel tracepoint parametrization, lkm vs bpf Date: Wed, 19 Jun 2019 15:02:00 -0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: systemtap X-Bugzilla-Component: translator X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: wcohen at redhat dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: systemtap at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2019-q2/txt/msg00100.txt.bz2 https://sourceware.org/bugzilla/show_bug.cgi?id=3D23866 --- Comment #4 from William Cohen --- Outline changes to make use of BPF_RAW_TRACEPOINTS - test and note whether kernel has BPF_PROG_TYPE_RAW_TRACEPOINT available - reuse the tapsets.cxx for the lkm code to discover the arguments for bpf = raw tracepoints - modify tapsets.cxx tracepoint_derived_probe::build_args_for_bpf to genera= te args for raw_tracepoints bpf raw tracepoints have a array of elelements pointed to by r1 - modify the generate tracepoint section names to note when using "raw_trac= e" - modify stapbpf.cxx to handle "raw_trace" as another section type --=20 You are receiving this mail because: You are the assignee for the bug.