Seiji Aguchi d34603b07c x86, trace: Add page fault tracepoints ... This patch introduces page fault tracepoints to x86 architecture by switching IDT. Two events, for user and kernel spaces, are introduced at the beginning of page fault handler for tracing. - User space event There is a request of page fault event for user space as below. https://lkml.kernel.org/r/1368079520-11015-2-git-send-email-fdeslaur+()+gmail+!+com https://lkml.kernel.org/r/1368079520-11015-1-git-send-email-fdeslaur+()+gmail+!+com - Kernel space event: When we measure an overhead in kernel space for investigating performance issues, we can check if it comes from the page fault events. Signed-off-by: Seiji Aguchi <seiji.aguchi@hds.com> Link: http://lkml.kernel.org/r/52716E67.6090705@hds.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>		2013-11-08 14:15:49 -08:00
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exceptions.h	x86, trace: Add page fault tracepoints	2013-11-08 14:15:49 -08:00
irq_vectors.h