Soeren Sandmann cf3271a73b ftrace/sysprof: don't trace the user stack if we are a kernel thread. ...

Check that current->mm is non-NULL before attempting to trace the user
stack.

Also take depth of the kernel stack into account when comparing
against sample_max_depth.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2008-05-23 23:59:12 +02:00

7.2 KiB

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