From 678f845ed0f40c29a74cd8dd60c48f2a6db44dc9 Mon Sep 17 00:00:00 2001
From: Daniel Bristot de Oliveira <bristot@redhat.com>
Date: Thu, 6 Nov 2014 15:25:09 -0200
Subject: [PATCH] ftrace-graph: show latency-format on print_graph_irq()

On the function_graph tracer, the print_graph_irq() function prints a
trace line with the flag ==========> on an irq handler entry, and the
flag <========== on an irq handler return.

But when the latency-format is enable, it is not printing the
latency-format flags, causing the following error in the trace output:

 0)   ==========> |
 0)  d...              |  smp_apic_timer_interrupt() {

This patch fixes this issue by printing the latency-format flags when
it is enable.

Link: http://lkml.kernel.org/r/7c2e226dac20c940b6242178fab7f0e3c9b5ce58.1415233316.git.bristot@redhat.com

Reviewed-by: Luis Claudio R. Goncalves <lgoncalv@redhat.com>
Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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