From: Chuck Ebbert <cebbert@redhat.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: xen-devel@lists.xensource.com, netdev@vger.kernel.org,
mingo@elte.hu, jbeulich@novell.com, linux-kernel@vger.kernel.org,
chrisw@sous-sol.org, virtualization@lists.osdl.org,
anthony@codemonkey.ws, akpm@linux-foundation.org,
virtualization@lists.linux-foundation.org,
torvalds@linux-foundation.org, David Miller <davem@davemloft.net>
Subject: Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable
Date: Tue, 20 Mar 2007 12:12:29 -0400 [thread overview]
Message-ID: <460007ED.5010805@redhat.com> (raw)
In-Reply-To: <m13b40wnrb.fsf@ebiederm.dsl.xmission.com>
Eric W. Biederman wrote:
> I'm conflicted about the dwarf unwinder. I was off doing other things
> at the time so I missed the pain, but I do have a distinct recollection of
> the back traces on x86_64 being distinctly worse the on i386. Lately
> I haven't seen that so it may be I was misinterpreting what I was
> seeing, and the compiler optimizations were what gave me such weird
> back traces.
>
Well, if you compile x86_64 with frame pointers it helps a bit because
the compiler doesn't tail merge function calls. But the stack backtrace
ignores the frame pointers even if they're present, unlike i386 which
will use them.
next prev parent reply other threads:[~2007-03-20 16:12 UTC|newest]
Thread overview: 201+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-01 23:24 [patch 00/26] Xen-paravirt_ops: Xen guest implementation for paravirt_ops interface Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 01/26] Xen-paravirt_ops: Fix typo in sync_constant_test_bit()s name Jeremy Fitzhardinge
2007-03-16 9:45 ` Ingo Molnar
2007-03-01 23:24 ` [patch 02/26] Xen-paravirt_ops: ignore vgacon if hardware not present Jeremy Fitzhardinge
2007-03-16 9:45 ` Ingo Molnar
2007-03-01 23:24 ` [patch 03/26] Xen-paravirt_ops: use paravirt_nop to consistently mark no-op operations Jeremy Fitzhardinge
2007-03-16 9:44 ` Ingo Molnar
2007-03-16 18:43 ` Jeremy Fitzhardinge
2007-03-16 19:49 ` Chris Wright
2007-03-16 20:00 ` Jeremy Fitzhardinge
2007-03-16 21:59 ` Chris Wright
2007-03-16 22:10 ` Jeremy Fitzhardinge
2007-03-16 22:18 ` Chris Wright
2007-03-01 23:24 ` [patch 04/26] Xen-paravirt_ops: Add pagetable accessors to pack and unpack pagetable entries Jeremy Fitzhardinge
2007-03-16 9:38 ` Ingo Molnar
2007-03-16 18:42 ` Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 05/26] Xen-paravirt_ops: paravirt_ops: hooks to set up initial pagetable Jeremy Fitzhardinge
2007-03-16 9:33 ` Ingo Molnar
2007-03-16 18:39 ` Jeremy Fitzhardinge
2007-03-16 19:35 ` Steven Rostedt
2007-03-17 9:47 ` Rusty Russell
2007-03-01 23:24 ` [patch 06/26] Xen-paravirt_ops: paravirt_ops: allocate a fixmap slot Jeremy Fitzhardinge
2007-03-16 9:31 ` Ingo Molnar
2007-03-01 23:24 ` [patch 07/26] Xen-paravirt_ops: Allow paravirt backend to choose kernel PMD sharing Jeremy Fitzhardinge
2007-03-16 9:31 ` Ingo Molnar
2007-03-01 23:24 ` [patch 08/26] Xen-paravirt_ops: add hooks to intercept mm creation and destruction Jeremy Fitzhardinge
2007-03-16 9:30 ` Ingo Molnar
2007-03-16 17:38 ` Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 09/26] Xen-paravirt_ops: remove HAVE_ARCH_MM_LIFETIME, define no-op architecture implementations Jeremy Fitzhardinge
2007-03-16 9:27 ` Ingo Molnar
2007-03-01 23:24 ` [patch 10/26] Xen-paravirt_ops: rename struct paravirt_patch to paravirt_patch_site for clarity Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 11/26] Xen-paravirt_ops: Use patch site IDs computed from offset in paravirt_ops structure Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 12/26] Xen-paravirt_ops: Fix patch site clobbers to include return register Jeremy Fitzhardinge
2007-03-02 0:45 ` Zachary Amsden
2007-03-02 0:49 ` Jeremy Fitzhardinge
2007-03-02 0:52 ` Zachary Amsden
2007-03-02 0:58 ` Jeremy Fitzhardinge
2007-03-02 1:18 ` Zachary Amsden
2007-03-16 9:26 ` Ingo Molnar
2007-03-16 17:37 ` Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable Jeremy Fitzhardinge
2007-03-16 9:24 ` Ingo Molnar
2007-03-16 9:33 ` David Miller
2007-03-16 9:57 ` Ingo Molnar
2007-03-16 19:16 ` Jeremy Fitzhardinge
2007-03-16 20:38 ` Jeremy Fitzhardinge
2007-03-17 10:33 ` Rusty Russell
2007-03-18 7:33 ` David Miller
2007-03-18 7:59 ` Jeremy Fitzhardinge
2007-03-18 12:08 ` Andi Kleen
2007-03-18 15:58 ` Jeremy Fitzhardinge
2007-03-18 17:04 ` Andi Kleen
2007-03-18 17:29 ` Jeremy Fitzhardinge
2007-03-18 19:30 ` Andi Kleen
2007-03-18 23:46 ` Jeremy Fitzhardinge
2007-03-19 10:57 ` Andi Kleen
2007-03-19 17:58 ` Jeremy Fitzhardinge
2007-03-19 19:08 ` David Miller
2007-03-19 20:59 ` Andi Kleen
2007-03-20 3:18 ` Linus Torvalds
2007-03-20 3:47 ` David Miller
2007-03-20 4:19 ` Eric W. Biederman
2007-03-20 13:28 ` Andi Kleen
2007-03-20 16:25 ` Eric W. Biederman
2007-03-20 17:42 ` Andi Kleen
2007-03-20 16:52 ` Linus Torvalds
2007-03-20 18:03 ` Andi Kleen
2007-03-20 17:27 ` Linus Torvalds
2007-03-20 19:21 ` Andi Kleen
2007-03-20 18:49 ` Linus Torvalds
2007-03-20 20:23 ` Andi Kleen
2007-03-20 21:39 ` Alan Cox
2007-03-20 21:49 ` [Xen-devel] " Andi Kleen
2007-03-20 23:51 ` Linus Torvalds
2007-03-20 23:43 ` Linus Torvalds
2007-03-21 6:08 ` Andrew Morton
2007-03-20 16:12 ` Chuck Ebbert [this message]
2007-03-20 1:23 ` Zachary Amsden
2007-03-20 1:45 ` Jeremy Fitzhardinge
2007-03-19 2:47 ` Rusty Russell
2007-03-19 18:25 ` Eric W. Biederman
2007-03-19 18:38 ` Linus Torvalds
2007-03-19 18:44 ` Linus Torvalds
2007-03-19 19:33 ` Jeremy Fitzhardinge
2007-03-20 0:01 ` Rusty Russell
2007-03-20 2:00 ` Zachary Amsden
2007-03-20 4:20 ` Rusty Russell
2007-03-20 5:54 ` Jeremy Fitzhardinge
2007-03-20 11:33 ` Andreas Kleen
2007-03-20 15:09 ` Linus Torvalds
2007-03-20 15:58 ` Eric W. Biederman
2007-03-20 16:06 ` Linus Torvalds
2007-03-20 16:31 ` Jeremy Fitzhardinge
2007-03-20 22:09 ` Zachary Amsden
2007-03-21 0:24 ` Linus Torvalds
2007-03-21 2:53 ` Zachary Amsden
2007-03-21 2:15 ` Linus Torvalds
2007-03-21 3:43 ` Zachary Amsden
2007-03-20 22:43 ` Matt Mackall
2007-03-20 23:08 ` Zachary Amsden
2007-03-20 23:33 ` Jeremy Fitzhardinge
2007-03-21 1:14 ` Zachary Amsden
2007-03-20 23:41 ` Matt Mackall
2007-03-21 0:20 ` Jeremy Fitzhardinge
2007-03-20 19:28 ` Andi Kleen
2007-03-20 19:54 ` Zachary Amsden
2007-03-20 20:02 ` Andi Kleen
2007-03-20 16:26 ` Jeremy Fitzhardinge
2007-03-20 22:41 ` Rusty Russell
2007-03-20 17:00 ` Ingo Molnar
2007-03-21 0:03 ` Paul Mackerras
2007-04-12 23:16 ` David Miller
2007-03-19 18:41 ` Chris Wright
2007-03-19 19:10 ` Jeremy Fitzhardinge
2007-03-19 19:46 ` David Miller
2007-03-19 20:06 ` Jeremy Fitzhardinge
2007-03-19 23:42 ` Andi Kleen
2007-03-16 17:36 ` Jeremy Fitzhardinge
2007-03-16 23:29 ` Zachary Amsden
2007-03-17 0:40 ` Jeremy Fitzhardinge
2007-03-17 9:10 ` Zachary Amsden
2007-03-17 9:26 ` Rusty Russell
2007-03-01 23:24 ` [patch 14/26] Xen-paravirt_ops: add common patching machinery Jeremy Fitzhardinge
2007-03-16 9:20 ` Ingo Molnar
2007-03-17 9:15 ` Rusty Russell
2007-03-01 23:24 ` [patch 15/26] Xen-paravirt_ops: Add apply_to_page_range() which applies a function to a pte range Jeremy Fitzhardinge
2007-03-16 9:19 ` Ingo Molnar
2007-03-16 16:47 ` Chris Wright
2007-03-16 17:08 ` Jeremy Fitzhardinge
2007-03-01 23:24 ` [patch 16/26] Xen-paravirt_ops: Allocate and free vmalloc areas Jeremy Fitzhardinge
2007-03-16 9:16 ` Ingo Molnar
2007-03-16 17:05 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 17/26] Xen-paravirt_ops: Add nosegneg capability to the vsyscall page notes Jeremy Fitzhardinge
2007-03-16 9:15 ` Ingo Molnar
2007-03-16 21:26 ` Roland McGrath
2007-03-16 21:56 ` Jeremy Fitzhardinge
2007-03-16 22:20 ` Roland McGrath
2007-03-01 23:25 ` [patch 18/26] Xen-paravirt_ops: Add XEN config options Jeremy Fitzhardinge
2007-03-16 9:14 ` Ingo Molnar
2007-03-16 17:04 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 19/26] Xen-paravirt_ops: Add Xen interface header files Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 20/26] Xen-paravirt_ops: Core Xen implementation Jeremy Fitzhardinge
2007-03-16 9:14 ` Ingo Molnar
2007-03-16 12:00 ` Christoph Hellwig
2007-03-16 16:33 ` Chris Wright
2007-03-16 16:44 ` Jeremy Fitzhardinge
2007-03-16 16:57 ` Chris Wright
2007-03-16 17:12 ` Chris Wright
2007-03-19 18:05 ` Eric W. Biederman
2007-03-19 18:13 ` Jeremy Fitzhardinge
2007-03-19 18:15 ` Chris Wright
2007-03-17 9:13 ` Rusty Russell
2007-03-18 7:03 ` [Xen-devel] " Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 21/26] Xen-paravirt_ops: Use the hvc console infrastructure for Xen console Jeremy Fitzhardinge
2007-03-16 8:54 ` Ingo Molnar
2007-03-16 9:28 ` [Xen-devel] " Keir Fraser
[not found] ` <C22013C9.B9E6%keir@xensource.com>
2007-03-16 9:58 ` Ingo Molnar
2007-03-16 10:31 ` [Xen-devel] " Keir Fraser
2007-03-16 10:31 ` Keir Fraser
[not found] ` <C2202295.BA49%keir@xensource.com>
2007-03-16 11:41 ` Andrew Morton
2007-03-16 11:58 ` Keir Fraser
2007-03-16 11:58 ` Keir Fraser
2007-03-16 17:02 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 22/26] Xen-paravirt_ops: Add early printk support via hvc console Jeremy Fitzhardinge
2007-03-16 8:52 ` Ingo Molnar
2007-03-01 23:25 ` [patch 23/26] Xen-paravirt_ops: Add Xen grant table support Jeremy Fitzhardinge
2007-03-16 8:51 ` Ingo Molnar
2007-03-16 17:00 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 24/26] Xen-paravirt_ops: Add the Xenbus sysfs and virtual device hotplug driver Jeremy Fitzhardinge
2007-03-16 8:47 ` Ingo Molnar
2007-03-16 16:18 ` Chris Wright
2007-03-16 16:19 ` Ingo Molnar
2007-03-16 16:40 ` Chris Wright
2007-03-16 17:53 ` Greg KH
2007-03-16 16:57 ` Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 25/26] Xen-paravirt_ops: Add Xen virtual block device driver Jeremy Fitzhardinge
2007-03-01 23:25 ` [patch 26/26] Xen-paravirt_ops: Add the Xen virtual network " Jeremy Fitzhardinge
2007-03-02 0:42 ` Stephen Hemminger
2007-03-02 0:56 ` Jeremy Fitzhardinge
2007-03-02 1:30 ` [RFC] Arp announce (for Xen) Stephen Hemminger
2007-03-02 8:46 ` Keir Fraser
2007-03-02 12:54 ` Andi Kleen
2007-03-02 14:08 ` jamal
2007-03-02 18:08 ` Chris Wright
2007-03-06 4:35 ` David Miller
2007-03-06 18:51 ` [RFC] ARP notify option Stephen Hemminger
2007-03-06 19:04 ` Jeremy Fitzhardinge
2007-03-06 19:07 ` Chris Wright
2007-03-06 21:18 ` Chris Friesen
2007-03-06 22:52 ` Stephen Hemminger
2007-03-07 6:42 ` Pekka Savola
2007-03-07 17:00 ` Stephen Hemminger
2007-03-02 1:21 ` [patch 26/26] Xen-paravirt_ops: Add the Xen virtual network device driver Christoph Hellwig
2007-03-02 1:26 ` Chris Wright
2007-03-16 8:42 ` [patch 00/26] Xen-paravirt_ops: Xen guest implementation for paravirt_ops interface Ingo Molnar
2007-03-16 16:55 ` Jeremy Fitzhardinge
2007-03-16 9:21 ` Ingo Molnar
2007-03-16 17:26 ` Jeremy Fitzhardinge
2007-03-16 18:59 ` Christoph Hellwig
2007-03-16 19:26 ` Jeremy Fitzhardinge
-- strict thread matches above, loose matches on Subject: below --
2007-02-27 8:13 Jeremy Fitzhardinge
2007-02-27 8:13 ` [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops callsites to make them patchable Jeremy Fitzhardinge
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