From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: alexander.shishkin@linux.intel.com, jolsa@redhat.com,
namhyung@kernel.org, linux-kernel@vger.kernel.org,
brueckner@linux.vnet.ibm.com, tmricht@linux.vnet.ibm.com,
linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Subject: Re: [PATCH 1/3] tools include powerpc: Grab a copy of arch/powerpc/include/uapi/asm/unistd.h
Date: Fri, 16 Feb 2018 14:08:12 -0300 [thread overview]
Message-ID: <20180216170812.GA16919@kernel.org> (raw)
In-Reply-To: <20180216170336.GG24436@kernel.org>
Em Fri, Feb 16, 2018 at 02:03:36PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Fri, Feb 16, 2018 at 01:56:16PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Fri, Feb 16, 2018 at 01:52:45PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Mon, Jan 29, 2018 at 02:04:15PM +0530, Ravi Bangoria escreveu:
> > > > Will be used for generating the syscall id/string translation table.
> > > >
> > > > Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
> > > > ---
> > > > tools/arch/powerpc/include/uapi/asm/unistd.h | 399 +++++++++++++++++++++++++++
> > > > tools/perf/check-headers.sh | 1 +
> > > > 2 files changed, 400 insertions(+)
> > > > create mode 100644 tools/arch/powerpc/include/uapi/asm/unistd.h
> > >
> > > Not building on a cross-compiling environment (ubuntu 16.04), I'm checking...
> >
> > BTW, details about that environment:
> >
> > 46 29.83 ubuntu:16.04-x-powerpc : FAIL powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
>
> So, you did it just for ppc64? Because...
>
> 46 29.83 ubuntu:16.04-x-powerpc : FAIL powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
> 47 69.81 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.1) 5.4.0 20160609
> 48 68.35 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
>
> Its just on ppc32 that his is falling apart.
So, $(SRCARCH) maps to both powerpc and powerpc64m which will set
NO_SYSCALL_TABLE to zero, thus linking against
tools/perf/util/syscalltbl.o, which will include the generated
syscalls_64.c only for ppc64, b00m.
+++ b/tools/perf/Makefile.config
@@ -27,6 +27,8 @@ NO_SYSCALL_TABLE := 1
# Additional ARCH settings for ppc
ifeq ($(SRCARCH),powerpc)
NO_PERF_REGS := 0
+ NO_SYSCALL_TABLE := 0
+ CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
endif
+++ b/tools/perf/util/syscalltbl.c
static const char **syscalltbl_native = syscalltbl_s390_64;
+#elif defined(__powerpc64__)
+#include <asm/syscalls_64.c>
+const int syscalltbl_native_max_id = SYSCALLTBL_POWERPC_64_MAX_ID;
+static const char **syscalltbl_native = syscalltbl_powerpc_64;
#endif
next prev parent reply other threads:[~2018-02-16 17:08 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-29 8:34 [PATCH 0/3] perf trace powerpc: Remove libaudit dependency for syscalls Ravi Bangoria
2018-01-29 8:34 ` [PATCH 1/3] tools include powerpc: Grab a copy of arch/powerpc/include/uapi/asm/unistd.h Ravi Bangoria
2018-02-16 16:52 ` Arnaldo Carvalho de Melo
2018-02-16 16:56 ` Arnaldo Carvalho de Melo
2018-02-16 17:03 ` Arnaldo Carvalho de Melo
2018-02-16 17:08 ` Arnaldo Carvalho de Melo [this message]
2018-02-16 17:29 ` Arnaldo Carvalho de Melo
2018-02-16 17:50 ` Arnaldo Carvalho de Melo
2018-02-17 6:17 ` Ravi Bangoria
2018-02-19 4:49 ` Michael Ellerman
2018-01-29 8:34 ` [PATCH 2/3] perf powerpc: Generate system call table from asm/unistd.h Ravi Bangoria
2018-01-29 8:34 ` [PATCH 3/3] perf trace powerpc: Use generated syscall table Ravi Bangoria
2018-01-29 10:33 ` Arnaldo Carvalho de Melo
2018-02-15 13:43 ` [PATCH 0/3] perf trace powerpc: Remove libaudit dependency for syscalls Arnaldo Carvalho de Melo
2018-02-15 13:56 ` Arnaldo Carvalho de Melo
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