sched: Eliminate the ts->idle_lastupdate field

[safe/jmp/linux-2.6] / kernel / trace / trace_sysprof.c

diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index 91fd19c..a7974a5 100644 (file)
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -93,6 +93,7 @@ static const struct stacktrace_ops backtrace_ops = {
        .warning_symbol         = backtrace_warning_symbol,
        .stack                  = backtrace_stack,
        .address                = backtrace_address,
+       .walk_stack             = print_context_stack,
 };
 
 static int
@@ -203,7 +204,8 @@ static void start_stack_timer(void *unused)
        hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
        hrtimer->function = stack_trace_timer_fn;
 
-       hrtimer_start(hrtimer, ns_to_ktime(sample_period), HRTIMER_MODE_REL);
+       hrtimer_start(hrtimer, ns_to_ktime(sample_period),
+                     HRTIMER_MODE_REL_PINNED);
 }
 
 static void start_stack_timers(void)
@@ -321,11 +323,7 @@ static const struct file_operations sysprof_sample_fops = {
 
 void init_tracer_sysprof_debugfs(struct dentry *d_tracer)
 {
-       struct dentry *entry;
 
-       entry = debugfs_create_file("sysprof_sample_period", 0644,
+       trace_create_file("sysprof_sample_period", 0644,
                        d_tracer, NULL, &sysprof_sample_fops);
-       if (entry)
-               return;
-       pr_warning("Could not create debugfs 'sysprof_sample_period' entry\n");
 }