diff options
Diffstat (limited to 'arch/powerpc/kernel/time.c')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 465e498bcb3..92dc844299b 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -53,7 +53,7 @@ #include <linux/posix-timers.h> #include <linux/irq.h> #include <linux/delay.h> -#include <linux/perf_counter.h> +#include <linux/perf_event.h> #include <asm/io.h> #include <asm/processor.h> @@ -193,6 +193,8 @@ EXPORT_SYMBOL(__cputime_clockt_factor); DEFINE_PER_CPU(unsigned long, cputime_last_delta); DEFINE_PER_CPU(unsigned long, cputime_scaled_last_delta); +cputime_t cputime_one_jiffy; + static void calc_cputime_factors(void) { struct div_result res; @@ -501,6 +503,7 @@ static int __init iSeries_tb_recal(void) tb_to_xs = divres.result_low; vdso_data->tb_ticks_per_sec = tb_ticks_per_sec; vdso_data->tb_to_xs = tb_to_xs; + setup_cputime_one_jiffy(); } else { printk( "Titan recalibrate: FAILED (difference > 4 percent)\n" @@ -527,25 +530,25 @@ void __init iSeries_time_init_early(void) } #endif /* CONFIG_PPC_ISERIES */ -#if defined(CONFIG_PERF_COUNTERS) && defined(CONFIG_PPC32) -DEFINE_PER_CPU(u8, perf_counter_pending); +#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_PPC32) +DEFINE_PER_CPU(u8, perf_event_pending); -void set_perf_counter_pending(void) +void set_perf_event_pending(void) { - get_cpu_var(perf_counter_pending) = 1; + get_cpu_var(perf_event_pending) = 1; set_dec(1); - put_cpu_var(perf_counter_pending); + put_cpu_var(perf_event_pending); } -#define test_perf_counter_pending() __get_cpu_var(perf_counter_pending) -#define clear_perf_counter_pending() __get_cpu_var(perf_counter_pending) = 0 +#define test_perf_event_pending() __get_cpu_var(perf_event_pending) +#define clear_perf_event_pending() __get_cpu_var(perf_event_pending) = 0 -#else /* CONFIG_PERF_COUNTERS && CONFIG_PPC32 */ +#else /* CONFIG_PERF_EVENTS && CONFIG_PPC32 */ -#define test_perf_counter_pending() 0 -#define clear_perf_counter_pending() +#define test_perf_event_pending() 0 +#define clear_perf_event_pending() -#endif /* CONFIG_PERF_COUNTERS && CONFIG_PPC32 */ +#endif /* CONFIG_PERF_EVENTS && CONFIG_PPC32 */ /* * For iSeries shared processors, we have to let the hypervisor @@ -573,9 +576,9 @@ void timer_interrupt(struct pt_regs * regs) set_dec(DECREMENTER_MAX); #ifdef CONFIG_PPC32 - if (test_perf_counter_pending()) { - clear_perf_counter_pending(); - perf_counter_do_pending(); + if (test_perf_event_pending()) { + clear_perf_event_pending(); + perf_event_do_pending(); } if (atomic_read(&ppc_n_lost_interrupts) != 0) do_IRQ(regs); @@ -960,6 +963,7 @@ void __init time_init(void) tb_ticks_per_usec = ppc_tb_freq / 1000000; tb_to_us = mulhwu_scale_factor(ppc_tb_freq, 1000000); calc_cputime_factors(); + setup_cputime_one_jiffy(); /* * Calculate the length of each tick in ns. It will not be |