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    Subject[profile]: [3/23] mips profiling cleanups
    Date
    Convert MIPS to use profiling_on() and profile_tick().

    Index: prof-2.6.7/arch/mips/kernel/time.c
    ===================================================================
    --- prof-2.6.7.orig/arch/mips/kernel/time.c 2004-06-15 22:19:22.000000000 -0700
    +++ prof-2.6.7/arch/mips/kernel/time.c 2004-06-22 07:25:45.377264776 -0700
    @@ -24,6 +24,7 @@
    #include <linux/spinlock.h>
    #include <linux/interrupt.h>
    #include <linux/module.h>
    +#include <linux/profile.h>

    #include <asm/bootinfo.h>
    #include <asm/cpu.h>
    @@ -417,22 +418,8 @@
    */
    void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
    {
    - if (!user_mode(regs)) {
    - if (prof_buffer && current->pid) {
    - unsigned long pc = regs->cp0_epc;
    -
    - pc -= (unsigned long) _stext;
    - pc >>= prof_shift;
    - /*
    - * Dont ignore out-of-bounds pc values silently,
    - * put them into the last histogram slot, so if
    - * present, they will show up as a sharp peak.
    - */
    - if (pc > prof_len - 1)
    - pc = prof_len - 1;
    - atomic_inc((atomic_t *)&prof_buffer[pc]);
    - }
    - }
    + if (!user_mode(regs) && profiling_on() && current->pid)
    + profile_tick(regs->cp0_epc);

    #ifdef CONFIG_SMP
    /* in UP mode, update_process_times() is invoked by do_timer() */
    -
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