On Mon, 09 Apr 2007 18:22:22 +0400 Maxim Uvarov <[EMAIL PROTECTED]> wrote:
> --- linux-2.6.21-rc5.orig/arch/x86_64/kernel/entry.S > +++ linux-2.6.21-rc5/arch/x86_64/kernel/entry.S > @@ -236,6 +236,11 @@ ENTRY(system_call) > movq %r10,%rcx > call *sys_call_table(,%rax,8) # XXX: rip relative > movq %rax,RAX-ARGOFFSET(%rsp) > +#ifdef CONFIG_THREAD_PERF_STAT_SYSC > + GET_THREAD_INFO(%rcx) > + addq $1, threadinfo_sysc_cnt(%rcx) # Increment syscalls counter > +#endif /* CONFIG_THREAD_PERF_STAT_SYSC */ > + Please reorganize the code so that you dont duplicate GET_THREAD_INFO() stuff You can do this for example before calling the syscall, not after. ja badsys +#ifdef CONFIG_THREAD_PERF_STAT_SYSC + incq threadinfo_sysc_cnt(%rcx) # Increment syscalls counter +#endif /* CONFIG_THREAD_PERF_STAT_SYSC */ movq %r10,%rcx call *sys_call_table(,%rax,8) # XXX: rip relative - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/