From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754038Ab1LLT5B (ORCPT ); Mon, 12 Dec 2011 14:57:01 -0500 Received: from intmgw001.ash2.facebook.com ([66.220.155.178]:40089 "EHLO intmgw002.ash2.facebook.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753924Ab1LLT4h (ORCPT ); Mon, 12 Dec 2011 14:56:37 -0500 From: Arun Sharma To: linux-kernel@vger.kernel.org Cc: Arun Sharma Subject: [PATCH 0/2] Add a thread cpu time implementation to vDSO Date: Mon, 12 Dec 2011 11:36:16 -0800 Message-Id: <1323718578-1157-1-git-send-email-asharma@fb.com> X-Mailer: git-send-email 1.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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