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From: He Kuang <hekuang@huawei.com>
To: <acme@kernel.org>, <peterz@infradead.org>, <mingo@redhat.com>,
	<jolsa@redhat.com>, <brendan.d.gregg@gmail.com>, <ast@kernel.org>,
	<alexander.shishkin@linux.intel.com>, <wangnan0@huawei.com>,
	<hekuang@huawei.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: [RFC PATCH v2 08/26] perf bpf: Add UBPF flags and makefile options
Date: Sun, 26 Jun 2016 11:21:00 +0000	[thread overview]
Message-ID: <1466940078-65581-9-git-send-email-hekuang@huawei.com> (raw)
In-Reply-To: <1466940078-65581-1-git-send-email-hekuang@huawei.com>

From: Wang Nan <wangnan0@huawei.com>

UBPF are not built by default, unless user explicitly build perf with
UBPF defined.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: He Kuang <hekuang@huawei.com>
---
 tools/lib/bpf/Makefile     | 4 ++++
 tools/perf/Makefile.perf   | 2 ++
 tools/perf/config/Makefile | 4 ++++
 3 files changed, 10 insertions(+)

diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index fc1bc75..1fb098d 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -120,6 +120,10 @@ ifeq ($(feature-libelf-getphdrnum), 1)
   override CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
 endif
 
+ifdef UBPF
+    override CFLAGS += -DHAVE_UBPF_SUPPORT
+endif
+
 # Append required CFLAGS
 override CFLAGS += $(EXTRA_WARNINGS)
 override CFLAGS += -Werror -Wall
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index d0a2cb1..114a719 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -81,6 +81,8 @@ include ../scripts/utilities.mak
 #
 # Define NO_LIBBPF if you do not want BPF support
 #
+# Define UBPF if you DO want user space BPF support
+#
 # Define FEATURES_DUMP to provide features detection dump file
 # and bypass the feature detection
 
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 534c811..2a64534 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -329,6 +329,10 @@ ifndef NO_LIBELF
     ifeq ($(feature-bpf), 1)
       CFLAGS += -DHAVE_LIBBPF_SUPPORT
       $(call detected,CONFIG_LIBBPF)
+      ifdef UBPF
+        CFLAGS += -DHAVE_UBPF_SUPPORT
+        $(call detected,CONFIG_UBPF)
+      endif
     endif
 
     ifndef NO_DWARF
-- 
1.8.5.2

  parent reply	other threads:[~2016-06-26 11:22 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-26 11:20 [RFC PATCH v2 00/26] perf tools: Support uBPF script He Kuang
2016-06-26 11:20 ` [RFC PATCH v2 01/26] tools include: Adopt byte ordering macros from byteorder/generic.h He Kuang
2016-06-26 11:20 ` [RFC PATCH v2 02/26] tools include: Fix wrong macro definitions for cpu_to_le* for big endian He Kuang
2016-06-26 11:20 ` [RFC PATCH v2 03/26] bpf: split __bpf_prog_run code into new file He Kuang
2016-06-26 11:20 ` [RFC PATCH v2 04/26] bpf: extract jmp and default handler and introduce UBPF_BUILD flag He Kuang
2016-06-26 11:20 ` [RFC PATCH v2 05/26] tools include: Sync math64.h and div64.h He Kuang
2016-06-26 21:08   ` Nilay Vaish
2016-06-27  2:21     ` Hekuang
2016-06-27 18:13       ` Arnaldo Carvalho de Melo
2016-06-26 11:20 ` [RFC PATCH v2 06/26] tools include: Add (atomic|atomic64)_add implementation from the kernel sources He Kuang
2016-06-26 11:20 ` [RFC PATCH v2 07/26] perf bpf: Add map related BPF helper He Kuang
2016-06-26 11:21 ` He Kuang [this message]
2016-06-26 11:21 ` [RFC PATCH v2 09/26] perf bpf: Implement empty instruction handler and build bpf-vm He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 10/26] perf bpf: Remove unused code in libbpf He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 11/26] perf bpf: Store arbitrary entries instread fd array in bpf_program He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 12/26] perf bpf: Add libbpf-internal.h header file He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 13/26] perf bpf: Add abstraction for bpf program methods He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 14/26] perf bpf: Add -Wextra to cflags for more warnings and fix them He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 15/26] perf bpf: Introduce the entity and engine for userspace bpf He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 16/26] perf bpf: Add method for fetching nth ubpf vm He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 17/26] perf bpf: Add methods to set/check ubpf engine for bpf programs He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 18/26] perf bpf: Add ubpf helper function slots and set/get methods He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 19/26] perf tools: Register basic uBPF helpers He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 20/26] perf bpf: Accept uBPF programs He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 21/26] bpf: Support bpf load/store boundary check for ubpf He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 22/26] perf bpf: Implement boundary check code in ubpf He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 23/26] perf record: Add uBPF hooks at beginning and end of perf record He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 24/26] perf bpf: Fillup bpf jmp_call handler He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 25/26] perf bpf: Implement run_ubpf_program He Kuang
2016-06-26 11:21 ` [RFC PATCH v2 26/26] perf tests: Add uBPF test case He Kuang
2016-06-26 20:48 ` [RFC PATCH v2 00/26] perf tools: Support uBPF script Alexei Starovoitov
2016-06-27  2:10   ` Hekuang
2016-06-28 11:47   ` Hekuang
2016-06-28 14:57     ` Alexei Starovoitov
2016-06-29 10:15       ` Hekuang
2016-06-29 10:35         ` Wangnan (F)
2016-06-29 12:37           ` Alexei Starovoitov
2016-06-29 13:03             ` pi3orama

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