Messages in this thread Patch in this message | | | Date | Tue, 01 Sep 2015 09:24:14 +0300 | From | Adrian Hunter <> | Subject | Re: [PATCH] perf tools: Fix random building error |
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On 01/09/15 08:56, Wang Nan wrote: > I hit following building error randomly:
Random presumably because there is a race to use/create the directory by different make jobs (i.e. -j option).
> > ... > /bin/sh: /path/to/kernel/buildperf/util/intel-pt-decoder/inat-tables.c: No such file or directory > ... > LINK /path/to/kernel/buildperf/plugin_mac80211.so > LINK /path/to/kernel/buildperf/plugin_kmem.so > LINK /path/to/kernel/buildperf/plugin_xen.so > LINK /path/to/kernel/buildperf/plugin_hrtimer.so > In file included from util/intel-pt-decoder/intel-pt-insn-decoder.c:25:0: > util/intel-pt-decoder/inat.c:24:25: fatal error: inat-tables.c: No such file or directory > #include "inat-tables.c" > ^ > compilation terminated. > make[4]: *** [/path/to/kernel/buildperf/util/intel-pt-decoder/intel-pt-insn-decoder.o] Error 1 > make[4]: *** Waiting for unfinished jobs.... > LINK /path/to/kernel/buildperf/plugin_function.so > > This is caused by tools/perf/util/intel-pt-decoder/Build that, it tries to > generate $(OUTPUT)util/intel-pt-decoder/inat-tables.c atomatically but > forget to ensure the existance of $(OUTPUT)util/intel-pt-decoder directory. > > This patch fixes it by adding $(call rule_mkdir) like other similar rules. > > Signed-off-by: Wang Nan <wangnan0@huawei.com> > Cc: Arnaldo Carvalho de Melo <acme@redhat.com> > Cc: Adrian Hunter <adrian.hunter@intel.com>
Looks ok to me. Jiri?
> --- > tools/perf/util/intel-pt-decoder/Build | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/perf/util/intel-pt-decoder/Build b/tools/perf/util/intel-pt-decoder/Build > index 240730d..2386322 100644 > --- a/tools/perf/util/intel-pt-decoder/Build > +++ b/tools/perf/util/intel-pt-decoder/Build > @@ -4,6 +4,7 @@ inat_tables_script = util/intel-pt-decoder/gen-insn-attr-x86.awk > inat_tables_maps = util/intel-pt-decoder/x86-opcode-map.txt > > $(OUTPUT)util/intel-pt-decoder/inat-tables.c: $(inat_tables_script) $(inat_tables_maps) > + $(call rule_mkdir) > @$(call echo-cmd,gen)$(AWK) -f $(inat_tables_script) $(inat_tables_maps) > $@ || rm -f $@ > > $(OUTPUT)util/intel-pt-decoder/intel-pt-insn-decoder.o: util/intel-pt-decoder/inat.c $(OUTPUT)util/intel-pt-decoder/inat-tables.c >
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