• Arnaldo Carvalho de Melo's avatar
    perf tools: Add feature detection for gelf_getnote() · 1c1a3a47
    Arnaldo Carvalho de Melo authored
    That is not present on some libelf implementations, such as the one used
    in Alpine Linux: libelf-0.8.13.
    
    This ends up disabling the SDT code, that relies on this function.
    
    One alternative would be to provide an weak fallback implementation or
    the open coded variant used by the buildid sysfs notes reading code.
    
    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
    Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
    Cc: David Ahern <dsahern@gmail.com>
    Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: Masami Hiramatsu <mhiramat@kernel.org>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Wang Nan <wangnan0@huawei.com>
    Link: http://lkml.kernel.org/n/tip-82lh22ybedy9b9lych8xj12g@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    1c1a3a47
probe-file.c 17.8 KB