Messages in this thread | | | Date | Wed, 07 Mar 2018 14:49:50 -0500 | From | Agustin Vega-Frias <> | Subject | Re: [RFC V3 1/3] perf, tools: Support wildcards on pmu name in dynamic pmu events |
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On 2018-03-07 14:39, Arnaldo Carvalho de Melo wrote: > Em Wed, Mar 07, 2018 at 04:05:43PM -0300, Arnaldo Carvalho de Melo > escreveu: >> Em Wed, Mar 07, 2018 at 04:05:09PM -0300, Arnaldo Carvalho de Melo >> escreveu: >> > Em Wed, Mar 07, 2018 at 10:54:15AM -0800, Andi Kleen escreveu: >> > > > Sorry about that. That's probably because FNM_EXTMATCH is a GNU extension, >> > > > not POSIX, and the Alpine and Android runtimes likely don't implement >> > > > that... >> > > > I'll send a fix reverting back to the strncmp to ignore the uncore_ prefix, >> > > > and dropping that extension. >> > > >> > > Just don't set it? Even the basic glob patterns are useful. >> > >> > Or use: >> > >> > #ifndef FNM_EXTMATCH >> > #define FNM_EXTMATCH 0 >> > #endif >> > >> > So on systems without it, its not used, while on GNU systems, we have >> > that functionality (pretty fancy, someone may need that... ;-)) >> >> I'll try this route, btw, no need to send more patches for now. > > So, with the patch at the end of this message, it works now in those > systems: > > [root@jouet ~]# dm > 1 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0 > 2 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 > 20160822 > 3 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0 > 4 alpine:edge : Ok gcc (Alpine 6.4.0) 6.4.0 > 5 amazonlinux:1 : Ok gcc (GCC) 4.8.5 20150623 > (Red Hat 4.8.5-11) > 6 amazonlinux:2 : Ok gcc (GCC) 7.2.1 20170915 > (Red Hat 7.2.1-2) > 7 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc > (GCC) 4.9.x 20150123 (prerelease) > 8 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc > (GCC) 4.9.x 20150123 (prerelease) > 9 centos:5 : Ok gcc (GCC) 4.1.2 20080704 > (Red Hat 4.1.2-55) > 10 centos:6 : Ok gcc (GCC) 4.4.7 20120313 > (Red Hat 4.4.7-18) > > I stopped the test at this point to process some more patches, will > restart the tests with those extra patches and if all goes well with > the > other 46 build environments, push upstream, thanks. > > - Arnaldo > > diff --git a/tools/perf/util/parse-events.y > b/tools/perf/util/parse-events.y > index 316ac073aa78..18473be7d787 100644 > --- a/tools/perf/util/parse-events.y > +++ b/tools/perf/util/parse-events.y > @@ -9,6 +9,13 @@ > #define YYDEBUG 1 > > #include <fnmatch.h> > +/* > + * GNU extension, so better define it to 0 for systems such > + * as Android and Alpine Linux. > + */ > +#ifndef FNM_EXTMATCH > +#define FNM_EXTMATCH 0 > +#endif > #include <linux/compiler.h> > #include <linux/list.h> > #include <linux/types.h>
Hey Jiri,
The downside is that, while the compilation now works on those systems, the pattern will not work as intended in them :o( Let me cook something and send it ASAP.
Thanks, Agustín
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