console_unlock();
}
-int bch2_save_backtrace(bch_stacktrace *stack, struct task_struct *task)
+int bch2_save_backtrace(bch_stacktrace *stack, struct task_struct *task, unsigned skipnr)
{
#ifdef CONFIG_STACKTRACE
unsigned nr_entries = 0;
return -1;
do {
- nr_entries = stack_trace_save_tsk(task, stack->data, stack->size, 0);
+ nr_entries = stack_trace_save_tsk(task, stack->data, stack->size, skipnr + 1);
} while (nr_entries == stack->size &&
!(ret = darray_make_room(stack, stack->size * 2)));
}
}
-int bch2_prt_task_backtrace(struct printbuf *out, struct task_struct *task)
+int bch2_prt_task_backtrace(struct printbuf *out, struct task_struct *task, unsigned skipnr)
{
bch_stacktrace stack = { 0 };
- int ret = bch2_save_backtrace(&stack, task);
+ int ret = bch2_save_backtrace(&stack, task, skipnr + 1);
bch2_prt_backtrace(out, &stack);
darray_exit(&stack);
{
unsigned long flags;
- WARN_RATELIMIT(!stats->min_duration || !stats->min_freq,
- "time_stats: min_duration = %llu, min_freq = %llu",
- stats->min_duration, stats->min_freq);
+ WARN_ONCE(!stats->duration_stats_weighted.weight ||
+ !stats->freq_stats_weighted.weight,
+ "uninitialized time_stats");
if (!stats->buffer) {
spin_lock_irqsave(&stats->lock, flags);