[v6,perf,bpf,11/15] perf: add -lopcodes to feature-libbfd

Message ID	20190306071359.2359896-12-songliubraving@fb.com
State	Awaiting Upstream
Delegated to:	BPF Maintainers
Headers	show Return-Path: <netdev-owner@vger.kernel.org> Smtp-Origin-Hostprefix: devbig From: Song Liu <songliubraving@fb.com> Smtp-Origin-Hostname: devbig006.ftw2.facebook.com To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org> CC: <ast@kernel.org>, <daniel@iogearbox.net>, <kernel-team@fb.com>, <peterz@infradead.org>, <acme@redhat.com>, <jolsa@kernel.org>, <namhyung@kernel.org>, Song Liu <songliubraving@fb.com> Smtp-Origin-Cluster: ftw2c04 Subject: [PATCH v6 perf,bpf 11/15] perf: add -lopcodes to feature-libbfd Date: Tue, 5 Mar 2019 23:13:55 -0800 Message-ID: <20190306071359.2359896-12-songliubraving@fb.com> In-Reply-To: <20190306071359.2359896-1-songliubraving@fb.com> References: <20190306071359.2359896-1-songliubraving@fb.com> MIME-Version: 1.0 Content-Type: text/plain Sender: netdev-owner@vger.kernel.org Precedence: bulk
Series	perf annotation of BPF programs \| expand [v6,perf,bpf,00/15] perf annotation of BPF programs [v6,perf,bpf,01/15] perf, bpf: consider events with attr.bpf_event as side-band events [v6,perf,bpf,02/15] bpf: libbpf: introduce bpf_program__get_prog_info_linear() [v6,perf,bpf,03/15] bpf: bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump() [v6,perf,bpf,04/15] perf, bpf: synthesize bpf events with bpf_program__get_prog_info_linear() [v6,perf,bpf,05/15] perf: change prototype of perf_event__synthesize_bpf_events() [v6,perf,bpf,06/15] perf, bpf: save bpf_prog_info in a rbtree in perf_env [v6,perf,bpf,07/15] perf, bpf: save bpf_prog_info information as headers to perf.data [v6,perf,bpf,08/15] perf, bpf: save btf in a rbtree in perf_env [v6,perf,bpf,09/15] perf, bpf: save btf information as headers to perf.data [v6,perf,bpf,10/15] perf-top: add option --no-bpf-event [v6,perf,bpf,11/15] perf: add -lopcodes to feature-libbfd [v6,perf,bpf,12/15] perf, bpf: enable annotation of bpf program [v6,perf,bpf,13/15] perf, bpf: process PERF_BPF_EVENT_PROG_LOAD for annotation [v6,perf,bpf,14/15] perf: introduce side band thread [v6,perf,bpf,15/15] perf, bpf: save bpf_prog_info and btf of short living bpf programs

Message ID

20190306071359.2359896-12-songliubraving@fb.com

State

Awaiting Upstream

Delegated to:

BPF Maintainers

Headers

Smtp-Origin-Hostprefix: devbig
From: Song Liu <songliubraving@fb.com>
Smtp-Origin-Hostname: devbig006.ftw2.facebook.com
To: <bpf@vger.kernel.org>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
CC: <ast@kernel.org>, <daniel@iogearbox.net>, <kernel-team@fb.com>,
	<peterz@infradead.org>, <acme@redhat.com>, <jolsa@kernel.org>,
	<namhyung@kernel.org>, Song Liu <songliubraving@fb.com>
Smtp-Origin-Cluster: ftw2c04
Subject: [PATCH v6 perf,bpf 11/15] perf: add -lopcodes to feature-libbfd
Date: Tue, 5 Mar 2019 23:13:55 -0800
Message-ID: <20190306071359.2359896-12-songliubraving@fb.com>
In-Reply-To: <20190306071359.2359896-1-songliubraving@fb.com>
References: <20190306071359.2359896-1-songliubraving@fb.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: netdev-owner@vger.kernel.org
Precedence: bulk

Series

perf annotation of BPF programs | expand

Commit Message

Song Liu March 6, 2019, 7:13 a.m. UTC

Both libbfd and libopcodes are distributed with binutil-dev/devel. When
libbfd presents, it is OK to assume libopcodes also presents. This has
been a safe assumption for bpftool.

This patch adds -lopcodes to perf/Makefile.config. libopcodes will be
used in the next commit for bpf annotation.

Signed-off-by: Song Liu <songliubraving@fb.com>
---
 tools/perf/Makefile.config | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index b441c88cafa1..e0bafbc273af 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -701,7 +701,7 @@  else
 endif
 
 ifeq ($(feature-libbfd), 1)
-  EXTLIBS += -lbfd
+  EXTLIBS += -lbfd -lopcodes
 else
   # we are on a system that requires -liberty and (maybe) -lz
   # to link against -lbfd; test each case individually here

[v6,perf,bpf,11/15] perf: add -lopcodes to feature-libbfd

Commit Message

Patch