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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-05-06 23:07:37 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-05-06 23:07:37 +0200 |
| commit | 9a2d5178b9d51e1c5f9e08989ff97fc8d4893f31 (patch) | |
| tree | 782735efb64680e0de29c60f2aac36a056eb0f8d /tools/perf/Makefile.config | |
| parent | Revert "perf build: Warn for BPF skeletons if endian mismatches" (diff) | |
| download | linux-9a2d5178b9d51e1c5f9e08989ff97fc8d4893f31.tar.xz linux-9a2d5178b9d51e1c5f9e08989ff97fc8d4893f31.zip | |
Revert "perf build: Make BUILD_BPF_SKEL default, rename to NO_BPF_SKEL"
This reverts commit a980755beb5aca9002e1c95ba519b83a44242b5b.
We need to better polish building with BPF skels, so revert back to
making it an experimental feature that has to be explicitely enabled
using BUILD_BPF_SKEL=1.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Makefile.config')
| -rw-r--r-- | tools/perf/Makefile.config | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 16bea51f0bcd..ee467af49b62 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -415,7 +415,6 @@ ifdef NO_LIBELF NO_LIBUNWIND := 1 NO_LIBDW_DWARF_UNWIND := 1 NO_LIBBPF := 1 - NO_BPF_SKEL := 1 NO_JVMTI := 1 else ifeq ($(feature-libelf), 0) @@ -655,22 +654,18 @@ ifndef NO_LIBBPF msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.) NO_LIBBPF := 1 endif -else - NO_BPF_SKEL := 1 endif -ifndef NO_BPF_SKEL +ifdef BUILD_BPF_SKEL $(call feature_check,clang-bpf-co-re) ifeq ($(feature-clang-bpf-co-re), 0) - dummy := $(error: ERROR: BPF skeletons unsupported. clang too old/not installed or build with NO_BPF_SKEL=1.) - else - ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) - dummy := $(error: ERROR: BPF skeletons unsupported. BPF skeleton support requires libbpf or build with NO_BPF_SKEL=1.) - else - $(call detected,CONFIG_PERF_BPF_SKEL) - CFLAGS += -DHAVE_BPF_SKEL - endif + dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) + endif + ifeq ($(filter -DHAVE_LIBBPF_SUPPORT, $(CFLAGS)),) + dummy := $(error Error: BPF skeleton support requires libbpf) endif + $(call detected,CONFIG_PERF_BPF_SKEL) + CFLAGS += -DHAVE_BPF_SKEL endif dwarf-post-unwind := 1 |