x86/mpx: Trace allocation of new bounds tables

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Bounds tables are a significant consumer of memory.  It is
important to know when they are being allocated.  Add a trace
point to trace whenever an allocation occurs and also its
virtual address.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Hansen <dave@sr71.net>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20150607183704.EC23A93E@viggo.jf.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

...

This commit is contained in:

Dave Hansen 2015-06-07 11:37:04 -07:00 • committed by Ingo Molnar

parent 2a1dcb1f79

commit cd4996dce1

2 changed files with 17 additions and 0 deletions

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16

arch/x86/include/asm/trace/mpx.h

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1

arch/x86/mm/mpx.c

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