git: kernel - Add PC sampling for x86-64
Matthew Dillon
dillon at crater.dragonflybsd.org
Mon Sep 24 14:35:35 PDT 2012
commit 433c75c34a02757b400e474eab030c6e56f3e8a3
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date: Mon Sep 24 14:34:41 2012 -0700
kernel - Add PC sampling for x86-64
* Xtimer interrupt (lapic timer) now samples the %rip value and stores
it in the globaldata structure. Sampling occurs whether the machine is
in a critical section or not.
* Used for debugging.
Summary of changes:
sys/platform/pc64/apic/apic_vector.s | 2 ++
sys/platform/pc64/x86_64/genassym.c | 1 +
sys/platform/pc64/x86_64/global.s | 2 ++
sys/sys/globaldata.h | 3 ++-
4 files changed, 7 insertions(+), 1 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/433c75c34a02757b400e474eab030c6e56f3e8a3
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