• A
    perf bench numa: Add define for RUSAGE_THREAD if not present · 7aea2f94
    Arnaldo Carvalho de Melo 提交于
    [ Upstream commit bf561d3c13423fc54daa19b5d49dc15fafdb7acc ]
    
    While cross building perf to the ARC architecture on a fedora 30 host,
    we were failing with:
    
          CC       /tmp/build/perf/bench/numa.o
      bench/numa.c: In function ‘worker_thread’:
      bench/numa.c:1261:12: error: ‘RUSAGE_THREAD’ undeclared (first use in this function); did you mean ‘SIGEV_THREAD’?
        getrusage(RUSAGE_THREAD, &rusage);
                  ^~~~~~~~~~~~~
                  SIGEV_THREAD
      bench/numa.c:1261:12: note: each undeclared identifier is reported only once for each function it appears in
    
    [perfbuilder@60d5802468f6 perf]$ /arc_gnu_2019.03-rc1_prebuilt_uclibc_le_archs_linux_install/bin/arc-linux-gcc --version | head -1
    arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
    [perfbuilder@60d5802468f6 perf]$
    
    Trying to reproduce a report by Vineet, I noticed that, with just
    cross-built zlib and numactl libraries, I ended up with the above
    failure.
    
    So, since RUSAGE_THREAD is available as a define, check for that and
    numactl libraries, I ended up with the above failure.
    
    So, since RUSAGE_THREAD is available as a define in the system headers,
    check if it is defined in the 'perf bench numa' sources and define it if
    not.
    
    Now it builds and I have to figure out if the problem reported by Vineet
    only takes place if we have libelf or some other library available.
    
    Cc: Arnd Bergmann <arnd@arndb.de>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: linux-snps-arc@lists.infradead.org
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
    Link: https://lkml.kernel.org/n/tip-2wb4r1gir9xrevbpq7qp0amk@git.kernel.orgSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
    Signed-off-by: NSasha Levin <sashal@kernel.org>
    7aea2f94
numa.c 43.8 KB