From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id AC83C3858D28 for ; Mon, 8 Apr 2024 18:38:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org AC83C3858D28 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org AC83C3858D28 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1712601484; cv=none; b=LFEQY8BGFDCMuMtRaLcgorlDMVV0XP87WG1FLf43v5PwbWOlNcl6jL6JkIzhIsQjEvwYYbgxuabL3JrAQjNpVAKqhLI2KTn5cd8tCFgBf6bpPN3h+dY8U916hY8aEYDh9lB9RZGsjkEJ1AAjmBp64Ynq7WL3g4bv5WlEbzkozag= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1712601484; c=relaxed/simple; bh=2Ot8XAwjK3i8w3DC5ma1xGzSn3WMounTi1ipjwzED+8=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=QE/YPwg+EQccXUzONkOQIexcoiC+0zVQjKSYf94WisNspAxMM9ZdaLxKxcsbKSfw0KESVrXgIQYr4ihemHEgt5CqhLjlXPwczEMx+GEFx2VJJY9KzpoRj4eujxT8+nE5h2obALwSJe38Kh+b7rwPIq1aY2s4+0epPh5yB2/OEn0= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1712601482; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=mZXYkGJ9Dfzb2WX2x0QLq7Sy/sWvCG2WbkczFYb+Fkw=; b=E0IYn4+ic16YJsZyXAYu+ho+4RUUoBufqUXZQGhwT/3/VVEH2v7f5yFBOFguFvQOcSGyjc APfqDWKATH/silk0s53JOyXiwz7Ok5uTS2BAz5FSGX9QcSTV7qTvaKfW3kmfAnIUUAF+3R t2uKCZcQJ5cLDz1RAWiNkRJhQbrDvZU= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-552-agLkdjlFN_e4TUPw12OhYA-1; Mon, 08 Apr 2024 14:38:00 -0400 X-MC-Unique: agLkdjlFN_e4TUPw12OhYA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A0C41285F984; Mon, 8 Apr 2024 18:38:00 +0000 (UTC) Received: from greed.delorie.com (unknown [10.22.8.9]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8DAC6C27EB0; Mon, 8 Apr 2024 18:38:00 +0000 (UTC) Received: from greed.delorie.com.redhat.com (localhost [127.0.0.1]) by greed.delorie.com (8.16.1/8.16.1) with ESMTP id 438Ibx1A1318947; Mon, 8 Apr 2024 14:37:59 -0400 From: DJ Delorie To: Eric Wong Cc: libc-alpha@sourceware.org Subject: Re: status of dj/malloc branch? In-Reply-To: <20240406220206.M748482@dcvr> (message from Eric Wong on Sat, 6 Apr 2024 22:02:06 +0000) Date: Mon, 08 Apr 2024 14:37:59 -0400 Message-ID: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Eric Wong writes: > I started doing my own tracing[1] in mwrap-perl[2] and it's > crazy expensive (I/O and storage) to trace all the allocations Yeah, we ran into that problem too. 64-bit pointers plus many-argument functions like realloc results in a HUGE log file. Like, terabytes in one case.