diff options
Diffstat (limited to 'kernel/trace/trace_output.c')
-rw-r--r-- | kernel/trace/trace_output.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 02272baa2206..456be9063c2d 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c | |||
@@ -529,24 +529,34 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags) | |||
529 | * @entry: The trace entry field from the ring buffer | 529 | * @entry: The trace entry field from the ring buffer |
530 | * | 530 | * |
531 | * Prints the generic fields of irqs off, in hard or softirq, preempt | 531 | * Prints the generic fields of irqs off, in hard or softirq, preempt |
532 | * count and lock depth. | 532 | * count. |
533 | */ | 533 | */ |
534 | int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry) | 534 | int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry) |
535 | { | 535 | { |
536 | int hardirq, softirq; | 536 | char hardsoft_irq; |
537 | char need_resched; | ||
538 | char irqs_off; | ||
539 | int hardirq; | ||
540 | int softirq; | ||
537 | int ret; | 541 | int ret; |
538 | 542 | ||
539 | hardirq = entry->flags & TRACE_FLAG_HARDIRQ; | 543 | hardirq = entry->flags & TRACE_FLAG_HARDIRQ; |
540 | softirq = entry->flags & TRACE_FLAG_SOFTIRQ; | 544 | softirq = entry->flags & TRACE_FLAG_SOFTIRQ; |
541 | 545 | ||
546 | irqs_off = | ||
547 | (entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : | ||
548 | (entry->flags & TRACE_FLAG_IRQS_NOSUPPORT) ? 'X' : | ||
549 | '.'; | ||
550 | need_resched = | ||
551 | (entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.'; | ||
552 | hardsoft_irq = | ||
553 | (hardirq && softirq) ? 'H' : | ||
554 | hardirq ? 'h' : | ||
555 | softirq ? 's' : | ||
556 | '.'; | ||
557 | |||
542 | if (!trace_seq_printf(s, "%c%c%c", | 558 | if (!trace_seq_printf(s, "%c%c%c", |
543 | (entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' : | 559 | irqs_off, need_resched, hardsoft_irq)) |
544 | (entry->flags & TRACE_FLAG_IRQS_NOSUPPORT) ? | ||
545 | 'X' : '.', | ||
546 | (entry->flags & TRACE_FLAG_NEED_RESCHED) ? | ||
547 | 'N' : '.', | ||
548 | (hardirq && softirq) ? 'H' : | ||
549 | hardirq ? 'h' : softirq ? 's' : '.')) | ||
550 | return 0; | 560 | return 0; |
551 | 561 | ||
552 | if (entry->preempt_count) | 562 | if (entry->preempt_count) |
@@ -554,13 +564,7 @@ int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry) | |||
554 | else | 564 | else |
555 | ret = trace_seq_putc(s, '.'); | 565 | ret = trace_seq_putc(s, '.'); |
556 | 566 | ||
557 | if (!ret) | 567 | return ret; |
558 | return 0; | ||
559 | |||
560 | if (entry->lock_depth < 0) | ||
561 | return trace_seq_putc(s, '.'); | ||
562 | |||
563 | return trace_seq_printf(s, "%d", entry->lock_depth); | ||
564 | } | 568 | } |
565 | 569 | ||
566 | static int | 570 | static int |