From: Arun Sharma <asharma@fb.com>
To: linux-kernel@vger.kernel.org
Cc: Arun Sharma <asharma@fb.com>
Subject: [PATCH 0/2] Add a thread cpu time implementation to vDSO
Date: Mon, 12 Dec 2011 11:36:16 -0800 [thread overview]
Message-ID: <1323718578-1157-1-git-send-email-asharma@fb.com> (raw)
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
next reply other threads:[~2011-12-12 19:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-12 19:36 Arun Sharma [this message]
2011-12-12 19:36 ` [PATCH 1/2] Extend VVAR support to multiple pages Arun Sharma
2011-12-12 19:36 ` [PATCH 2/2] Add a thread cpu time implementation to vDSO Arun Sharma
2011-12-12 20:13 ` Eric Dumazet
2011-12-12 21:19 ` Arun Sharma
2011-12-12 21:27 ` Eric Dumazet
2011-12-12 21:33 ` Andrew Lutomirski
2011-12-12 22:14 ` Arun Sharma
2011-12-13 8:52 ` Peter Zijlstra
2011-12-13 18:15 ` Arun Sharma
2011-12-13 18:53 ` Peter Zijlstra
2011-12-12 20:15 ` Andrew Lutomirski
2011-12-12 22:49 ` Arun Sharma
2011-12-12 23:01 ` Andrew Lutomirski
2011-12-13 0:40 ` Arun Sharma
2011-12-12 23:09 ` john stultz
2011-12-12 23:20 ` Arun Sharma
2011-12-12 23:32 ` john stultz
2011-12-12 23:41 ` Andrew Lutomirski
2011-12-12 23:52 ` john stultz
2011-12-13 0:26 ` Arun Sharma
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