Messages in this thread | | | Date | Thu, 31 Jul 2014 09:26:21 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 1/2] perf tools: Ensure --symfs ends with '/' |
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Em Thu, Jul 31, 2014 at 01:25:52PM +0900, Namhyung Kim escreveu: > Hi Arnaldo, > > On Wed, 30 Jul 2014 17:55:21 -0300, Arnaldo Carvalho de Melo wrote: > > Em Wed, Jul 30, 2014 at 12:19:32PM -0300, Arnaldo Carvalho de Melo escreveu: > >> Em Wed, Jul 30, 2014 at 08:52:36AM +0900, Namhyung Kim escreveu: > >> > I also thought about that way first but changed my mind to the current > >> > approach because I don't want to change current behavior. > >> > >> > I worried about the common case which has empty symfs. By your patch, > >> > it makes a pathname absolute even with an empty symfs - I can see most > >> > filenames are already absolute paths but I'm not 100% sure it's always > >> > the case. > >> > >> Yeah, after doing some research on the tools/perf/ 'git log' I got your point, > >> we can't add the / after symfs usages when it is "", i.e. we need something > >> like:
> >> [acme@zoo linux]$ python > >> >>> import os > >> >>> symfs = "" > >> >>> os.path.join(symfs, "dso_path") > >> 'dso_path' > >> >>> symfs = "/home/acme/embedded_device_dsos" > >> >>> os.path.join(symfs, "dso_path") > >> '/home/acme/embedded_device_dsos/dso_path'
> >> I'll try and get that in place.
> > Ok, the patch below should implement it just like above, if Minchan > > could please retest, I did just minimal testing, will do more later.
> Are you still against my approach - adding '/' at the end of the symfs > string itself? It seems that mine is simpler and shorter.
Yes, I am.
We are not just concatenating two strings, we are joining two path components.
I think it is more clear and elegant to do it as python os.path.join() does.
- Arnaldo
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