[bpf-next,v2,03/10] tools/runqslower: Use consistent include paths for libbpf
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Message ID 157909757197.1192265.9826436565959764419.stgit@toke.dk
State New
Headers show
Series
  • tools: Use consistent libbpf include paths everywhere
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Commit Message

Toke Høiland-Jørgensen Jan. 15, 2020, 2:12 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")
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 fb93ce2bf2fe..3b7ae76c8ec4 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -5,6 +5,7 @@  LLC := llc
 LLVM_STRIP := llvm-strip
 DEFAULT_BPFTOOL := $(OUTPUT)/sbin/bpftool
 BPFTOOL ?= $(DEFAULT_BPFTOOL)
+LIBBPF_INCLUDE := -I$(abspath ../../lib) -I$(abspath ../../lib/bpf)
 LIBBPF_SRC := $(abspath ../../lib/bpf)
 CFLAGS := -g -Wall
 
@@ -59,13 +60,13 @@  $(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 -I$(OUTPUT) $(LIBBPF_INCLUDE)	      \
 		 -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) $(LIBBPF_INCLUDE) -I$(OUTPUT) -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"