[PATCH 0/2] Add a thread cpu time implementation to vDSO
From: Arun Sharma
Date: Mon Dec 12 2011 - 14:57:01 EST
This should speed up profilers that need to query thread
cpu time a lot to do fine-grained timestamps.
Arun Sharma (1):
Extend VVAR support to multiple pages
Kumar Sundararajan (1):
Add a thread cpu time implementation to vDSO
arch/x86/include/asm/fixmap.h | 1 +
arch/x86/include/asm/timer.h | 18 +++++++++---
arch/x86/include/asm/vvar.h | 4 ++-
arch/x86/kernel/tsc.c | 6 ++++
arch/x86/kernel/vmlinux.lds.S | 2 +-
arch/x86/kernel/vsyscall_64.c | 2 +
arch/x86/vdso/vclock_gettime.c | 58 ++++++++++++++++++++++++++++++++++++++-
arch/x86/vdso/vdso.lds.S | 2 +
arch/x86/vdso/vma.c | 5 +++
include/linux/jiffies.h | 16 +++++++++++
kernel/sched.c | 6 ++++
11 files changed, 111 insertions(+), 9 deletions(-)
--
1.7.4
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