diff options
| -rw-r--r-- | tools/perf/tests/Build | 9 | ||||
| -rw-r--r-- | tools/perf/tests/bpf-script-test-kbuild.c | 21 | ||||
| -rw-r--r-- | tools/perf/tests/llvm.c | 4 | ||||
| -rw-r--r-- | tools/perf/tests/llvm.h | 2 |
4 files changed, 35 insertions, 1 deletions
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index 6c095b3..a47b211 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -31,7 +31,7 @@ perf-y += sample-parsing.o perf-y += parse-no-sample-id-all.o perf-y += kmod-path.o perf-y += thread-map.o -perf-y += llvm.o llvm-src-base.o +perf-y += llvm.o llvm-src-base.o llvm-src-kbuild.o perf-y += topology.o $(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c @@ -41,6 +41,13 @@ $(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c $(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@ $(Q)echo ';' >> $@ +$(OUTPUT)tests/llvm-src-kbuild.c: tests/bpf-script-test-kbuild.c + $(call rule_mkdir) + $(Q)echo '#include <tests/llvm.h>' > $@ + $(Q)echo 'const char test_llvm__bpf_test_kbuild_prog[] =' >> $@ + $(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@ + $(Q)echo ';' >> $@ + ifeq ($(ARCH),$(filter $(ARCH),x86 arm arm64)) perf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o endif diff --git a/tools/perf/tests/bpf-script-test-kbuild.c b/tools/perf/tests/bpf-script-test-kbuild.c new file mode 100644 index 0000000..3626924 --- /dev/null +++ b/tools/perf/tests/bpf-script-test-kbuild.c @@ -0,0 +1,21 @@ +/* + * bpf-script-test-kbuild.c + * Test include from kernel header + */ +#ifndef LINUX_VERSION_CODE +# error Need LINUX_VERSION_CODE +# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig' +#endif +#define SEC(NAME) __attribute__((section(NAME), used)) + +#include <uapi/linux/fs.h> +#include <uapi/asm/ptrace.h> + +SEC("func=vfs_llseek") +int bpf_func__vfs_llseek(void *ctx) +{ + return 0; +} + +char _license[] SEC("license") = "GPL"; +int _version SEC("version") = LINUX_VERSION_CODE; diff --git a/tools/perf/tests/llvm.c b/tools/perf/tests/llvm.c index 05683c5..bc4cf50 100644 --- a/tools/perf/tests/llvm.c +++ b/tools/perf/tests/llvm.c @@ -40,6 +40,10 @@ static struct { .source = test_llvm__bpf_base_prog, .desc = "Basic BPF llvm compiling test", }, + [LLVM_TESTCASE_KBUILD] = { + .source = test_llvm__bpf_test_kbuild_prog, + .desc = "Test kbuild searching", + }, }; diff --git a/tools/perf/tests/llvm.h b/tools/perf/tests/llvm.h index bd63cee..d91d8f4 100644 --- a/tools/perf/tests/llvm.h +++ b/tools/perf/tests/llvm.h @@ -5,9 +5,11 @@ #include <stdbool.h> /* for bool */ extern const char test_llvm__bpf_base_prog[]; +extern const char test_llvm__bpf_test_kbuild_prog[]; enum test_llvm__testcase { LLVM_TESTCASE_BASE, + LLVM_TESTCASE_KBUILD, __LLVM_TESTCASE_MAX, }; |
