static void timer_task_proc(void *arg)
{
struct rt_tmbench_context *ctx = arg;
int count;
/* first event: one millisecond from now. */
ctx->date = rtdm_clock_read_monotonic() + 1000000;
while (1) {
int err;
for (count = 0; count < ctx->samples_per_sec; count++) {
RTDM_EXECUTE_ATOMICALLY(
ctx->start_time = rtdm_clock_read_monotonic();
err =
rtdm_task_sleep_abs(ctx->date,
RTDM_TIMERMODE_ABSOLUTE);
);
if (err)
return;
eval_inner_loop(ctx,
(long)(rtdm_clock_read_monotonic() -
ctx->date));
}
eval_outer_loop(ctx);
}
static irqreturn_t
timer_proc (int irq, void *dev_id, struct pt_regs *regs)
{
struct rt_tmbench_context *ctx = (struct rt_tmbench_context *) dev_id;
volatile unsigned long long tsc;
read_tsc (tsc);
eval_inner_loop (ctx, (long) (tsc - ctx->date));
tb_timer_stop ();
read_tsc (ctx->start_time);
tb_timer_start ((long) (ctx->date - ctx->start_time));
if (++ctx->curr.test_loops < ctx->samples_per_sec)
return IRQ_HANDLED;
ctx->curr.test_loops = 0;
eval_outer_loop (ctx);
return IRQ_HANDLED;
}