Em Mon, Jun 01, 2015 at 07:37:49AM +0000, Wang Nan escreveu: > In this patch, eBPF API is checked by compiling a c source file which > uses fields in bpf_attr which will be used by libbpf.
Something is missing, where is the message saying that I need to install something to have bpf support? Look at the liblzma one at config/Makefile:556: [acme@zoo linux]$ rm -rf /tmp/build/perf ; mkdir -p /tmp/build/perf ; m make: Entering directory '/home/git/linux/tools/perf' BUILD: Doing 'make -j4' parallel build Auto-detecting system features: ... dwarf: [ OFF ] ... glibc: [ on ] ... gtk2: [ on ] ... libaudit: [ OFF ] ... libbfd: [ on ] ... libelf: [ OFF ] ... libnuma: [ OFF ] ... libperl: [ on ] ... libpython: [ OFF ] ... libslang: [ OFF ] ... libunwind: [ OFF ] ... libdw-dwarf-unwind: [ OFF ] ... zlib: [ OFF ] ... lzma: [ OFF ] ... bpf: [ OFF ] config/Makefile:245: No libelf found, disables 'probe' tool, please install elfutils-libelf-devel/libelf-dev config/Makefile:325: Disabling post unwind, no support found. config/Makefile:366: No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev config/Makefile:381: slang not found, disables TUI support. Please install slang-devel or libslang-dev config/Makefile:466: No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev config/Makefile:556: No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev config/Makefile:569: No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev MKDIR /tmp/build/perf/util/ CC /tmp/build/perf/util/abspath.o Applied the first two patches in this series, will push them soon. - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
