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When failing on one of the BPF tests we were just stating: BPF filter result incorrect Add some more info to help figuring out the problem: BPF filter result incorrect, expected 56, got 0 samples This came out while investigating this failure, first seen after updating the kernel to the 4.15.0-rc6 tag: [root@jouet ~]# perf test bpf 39: BPF filter : 39.1: Basic BPF filtering : FAILED! 39.2: BPF pinning : Skip 39.3: BPF prologue generation: Skip 39.4: BPF relocation checker : Skip [root@jouet ~]# Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-403npu7daupv6b2bmxliv5pk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.