[bpf-next,v5,04/11] tools/runqslower: Use consistent include paths for libbpf
diff mbox series

Message ID 157952560457.1683545.9913736511685743625.stgit@toke.dk
State Mainlined
Commit 5b554ce518afee47d4ba4330ad8fbfd6e29e1c13
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Series
  • tools: Use consistent libbpf include paths everywhere
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Commit Message

Toke Høiland-Jørgensen Jan. 20, 2020, 1:06 p.m. UTC
From: Toke Høiland-Jørgensen <toke@redhat.com>

Fix the runqslower tool to include libbpf header files with the bpf/
prefix, to be consistent with external users of the library. Also ensure
that all includes of exported libbpf header files (those that are exported
on 'make install' of the library) use bracketed includes instead of quoted.

To not break the build, keep the old include path until everything has been
changed to the new one; a subsequent patch will remove that.

Fixes: 6910d7d3867a ("selftests/bpf: Ensure bpf_helper_defs.h are taken from selftests dir")
Acked-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
---
 tools/bpf/runqslower/Makefile         |    5 +++--
 tools/bpf/runqslower/runqslower.bpf.c |    2 +-
 tools/bpf/runqslower/runqslower.c     |    4 ++--
 3 files changed, 6 insertions(+), 5 deletions(-)

Patch
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diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
index 3242ab874ac0..b7b2230f807b 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -6,6 +6,7 @@  LLVM_STRIP := llvm-strip
 DEFAULT_BPFTOOL := $(OUTPUT)/sbin/bpftool
 BPFTOOL ?= $(DEFAULT_BPFTOOL)
 LIBBPF_SRC := $(abspath ../../lib/bpf)
+INCLUDES := -I$(OUTPUT) -I$(abspath ../../lib) -I$(abspath ../../lib/bpf)
 CFLAGS := -g -Wall
 
 # Try to detect best kernel BTF source
@@ -51,13 +52,13 @@  $(OUTPUT)/%.skel.h: $(OUTPUT)/%.bpf.o | $(BPFTOOL)
 
 $(OUTPUT)/%.bpf.o: %.bpf.c $(OUTPUT)/libbpf.a | $(OUTPUT)
 	$(call msg,BPF,$@)
-	$(Q)$(CLANG) -g -O2 -target bpf -I$(OUTPUT) -I$(LIBBPF_SRC)	      \
+	$(Q)$(CLANG) -g -O2 -target bpf $(INCLUDES)			      \
 		 -c $(filter %.c,$^) -o $@ &&				      \
 	$(LLVM_STRIP) -g $@
 
 $(OUTPUT)/%.o: %.c | $(OUTPUT)
 	$(call msg,CC,$@)
-	$(Q)$(CC) $(CFLAGS) -I$(LIBBPF_SRC) -I$(OUTPUT) -c $(filter %.c,$^) -o $@
+	$(Q)$(CC) $(CFLAGS) $(INCLUDES) -c $(filter %.c,$^) -o $@
 
 $(OUTPUT):
 	$(call msg,MKDIR,$@)
diff --git a/tools/bpf/runqslower/runqslower.bpf.c b/tools/bpf/runqslower/runqslower.bpf.c
index 623cce4d37f5..48a39f72fadf 100644
--- a/tools/bpf/runqslower/runqslower.bpf.c
+++ b/tools/bpf/runqslower/runqslower.bpf.c
@@ -1,7 +1,7 @@ 
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (c) 2019 Facebook
 #include "vmlinux.h"
-#include <bpf_helpers.h>
+#include <bpf/bpf_helpers.h>
 #include "runqslower.h"
 
 #define TASK_RUNNING 0
diff --git a/tools/bpf/runqslower/runqslower.c b/tools/bpf/runqslower/runqslower.c
index 996f0e2c560e..d89715844952 100644
--- a/tools/bpf/runqslower/runqslower.c
+++ b/tools/bpf/runqslower/runqslower.c
@@ -6,8 +6,8 @@ 
 #include <string.h>
 #include <sys/resource.h>
 #include <time.h>
-#include <libbpf.h>
-#include <bpf.h>
+#include <bpf/libbpf.h>
+#include <bpf/bpf.h>
 #include "runqslower.h"
 #include "runqslower.skel.h"