From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17741 invoked by alias); 4 Feb 2011 15:01:41 -0000 Received: (qmail 17732 invoked by uid 22791); 4 Feb 2011 15:01:40 -0000 X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=AWL,BAYES_00,TW_EG,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mail.codesourcery.com (HELO mail.codesourcery.com) (38.113.113.100) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 04 Feb 2011 15:01:35 +0000 Received: (qmail 11727 invoked from network); 4 Feb 2011 15:01:33 -0000 Received: from unknown (HELO scottsdale.localnet) (pedro@127.0.0.2) by mail.codesourcery.com with ESMTPA; 4 Feb 2011 15:01:33 -0000 From: Pedro Alves To: gdb-patches@sourceware.org Subject: Re: performance of multithreading gets gradually worse under gdb Date: Fri, 04 Feb 2011 15:01:00 -0000 User-Agent: KMail/1.13.5 (Linux/2.6.35-25-generic; KDE/4.5.1; x86_64; ; ) Cc: "Ulrich Weigand" , Tom Tromey , Markus Alber , Michael Snyder References: <201102041458.p14EwY9e025992@d06av02.portsmouth.uk.ibm.com> In-Reply-To: <201102041458.p14EwY9e025992@d06av02.portsmouth.uk.ibm.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201102041501.32152.pedro@codesourcery.com> X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2011-02/txt/msg00060.txt.bz2 On Friday 04 February 2011 14:58:34, Ulrich Weigand wrote: > Tom Tromey wrote: > > > * thread.c (free_thread): Call free_thread_regcache. > > * regcache.h (free_thread_regcache): Declare. > > * regcache.c (current_regcache): Remove. > > (get_thread_arch_regcache): Use thread's regcache. > > (free_thread_regcache): New function. > > (regcache_thread_ptid_changed): Use thread's regcache. > > (invalidate_registers_maybe): New function. > > (registers_changed_ptid): Use iterate_over_threads and > > invalidate_registers_maybe. > > * gdbthread.h (struct thread_info) : New field. > > Looks good to me ... Please see my email on gdb@ before proceeding with this. -- Pedro Alves