Gary,
On Sat, Aug 16, 2008 at 1:33 AM, <[EMAIL PROTECTED]> wrote: > Stephane > > I actually had problems with syscall numbers not matching > when I first loaded my rebuilt kernel. Perhaps I did > not "fix" this issue correctly. My version of the patches > that add the syscall numbers to the kernel look like this: > > diff -urp linux-2.6.18.base/include/asm-x86_64/unistd.h linux-2.6.18 > /include/asm-x86_64/unistd.h > --- linux-2.6.18.base/include/asm-x86_64/unistd.h 2006-09-21 > 23:45:38.000000000 -0700 > +++ linux-2.6.18/include/asm-x86_64/unistd.h 2006-09-22 > 02:00:55.000000000 -0700 > @@ -619,10 +619,34 @@ __SYSCALL(__NR_sync_file_range, sys_sync > __SYSCALL(__NR_vmsplice, sys_vmsplice) > #define __NR_move_pages 279 > __SYSCALL(__NR_move_pages, sys_move_pages) > - > +#define __NR_pfm_create_context 286 > + __SYSCALL(__NR_pfm_create_context, sys_pfm_create_context) > > > Is it important that __NR_pfm_create_context be one larger than > __NR_move_pages (which I think it was before I tried to fix this issue) ?? > > The value being used by libpfm was 286 so I changed to kernel patch to > match > what libpfm was using. Now I seem to be getting to the right kernel > functions > when libpfm does the syscalls but if there is another side effect of the > syscall > numbers not being contiguous, I should probably change libpfm and put the > kernel > back to 280. What would you suggest for this ?? > > When you say to add a case statement to the switch for my arch, are you > referring to the switch in the function adjust_sys_base ?? > Try making the syscall contiguous first. So adjust libpfm, no the kernel. And yes, I was referring to the adjust_sys_base() function. Also just to make sure I understand what you are doing. Can you confirm you're backporting a kernel perfmon v2.2 patch into 2.6.18 and not the latest perfmon v2.81? ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
