linux-kernel - Re: [PATCH v9 02/13] perf test: Add build infra for perf test tools for CoreSight tests

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Message-ID: <Yz7RAgMN6WGnD3OZ@leoy-yangtze.lan>
Date:   Thu, 6 Oct 2022 20:58:42 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     carsten.haitzler@...s.arm.com, Jiri Slaby <jirislaby@...nel.org>,
        linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
        suzuki.poulose@....com, mathieu.poirier@...aro.org,
        mike.leach@...aro.org, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH v9 02/13] perf test: Add build infra for perf test tools
 for CoreSight tests

Hi Arnaldo,

On Thu, Oct 06, 2022 at 08:45:18AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Oct 06, 2022 at 08:26:00AM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Fri, Sep 09, 2022 at 04:27:52PM +0100, carsten.haitzler@...s.arm.com escreveu:
> > > +all: shell_compatibility_test $(ALL_PROGRAMS) $(LANG_BINDINGS) $(OTHER_PROGRAMS) tests-coresight-targets
> > >  
> > >  # Create python binding output directory if not already present
> > >  _dummy := $(shell [ -d '$(OUTPUT)python' ] || mkdir -p '$(OUTPUT)python')
> > > @@ -1007,6 +1015,9 @@ install-tests: all install-gtk
> > >  		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
> > >  		$(INSTALL) tests/shell/lib/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
> > >  		$(INSTALL) tests/shell/lib/*.py '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'
> > > +		$(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'; \
> > > +		$(INSTALL) tests/shell/coresight/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'
> > > +	$(Q)$(MAKE) -C tests/shell/coresight install-tests
> > 
> > Added a missing ;\ on the line installing the *.py and adjusted use -m
> > 644 for the .sh files to follow what was done in:
> > 
> >   0a9eaf616f29ca32 ("perf tools: Don't install data files with x permissions")
> > 
> > @@ -1006,7 +1014,10 @@ install-tests: all install-gtk
> >                 $(INSTALL) tests/shell/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
> >                 $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
> >                 $(INSTALL) tests/shell/lib/*.sh -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
> > -               $(INSTALL) tests/shell/lib/*.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'
> > +               $(INSTALL) tests/shell/lib/*.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
> > +               $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'; \
> > +               $(INSTALL) tests/shell/coresight/*.sh -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'
> > +       $(Q)$(MAKE) -C tests/shell/coresight install-tests
> > 
> 
> Also had to remove:
> 
> 		$(INSTALL) tests/shell/coresight/*.sh -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'
> 
> from this patch, as it makes install fail at this point in the patchset:

Thanks a lot!

James and me had found the merging conflict and planned to send out
email for reminding it, the right change for above section would be:

@@ -1006,7 +1014,10 @@ install-tests: all install-gtk
                $(INSTALL) tests/shell/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell'; \
                $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
                $(INSTALL) tests/shell/lib/*.sh -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
-               $(INSTALL) tests/shell/lib/*.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'
+               $(INSTALL) tests/shell/lib/*.py -m 644 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/lib'; \
+               $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'; \
+               $(INSTALL) tests/shell/coresight/*.sh '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/coresight'
+       $(Q)$(MAKE) -C tests/shell/coresight install-tests

It's deliberately to not add '-m 644' when install coresight test
shell scripts under the folder tests/shell/coresight/ so that we can
keep the executable permission for these scripts.  On the other flip,
we set 644 mode for the scripts under tests/shell/lib/ so these
scripts will not be executed directly by perf test framework.

@Carsten, if have chance could you confirm for above change?

>   DESCEND plugins
>   GEN     /tmp/build/perf/python/perf.so
>   INSTALL trace_plugins
>   INSTALL binaries
>   INSTALL tests
> install: cannot stat 'tests/shell/coresight/*.sh': No such file or directory
> make[2]: *** [Makefile.perf:1007: install-tests] Error 1
> make[2]: *** Waiting for unfinished jobs....
> 
> I'll add it back when the first .sh gets added to tests/shell/coresight/

Sorry for introducing extra efforts for you and thanks!

Leo