From: Paolo Bonzini <pbonzini@redhat.com>
To: Blue Swirl <blauwirbel@gmail.com>
Cc: Anthony Liguori <anthony@codemonkey.ws>,
Avi Kivity <avi@redhat.com>,
qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [Qemu-devel] [PATCH] Introduce QEMU_NEW()
Date: Mon, 25 Jul 2011 16:51:27 +0200 [thread overview]
Message-ID: <4E2D82EF.4020606@redhat.com> (raw)
In-Reply-To: <CAAu8pHs_cx5GzNO2J=ZRf7QBTQ1qKratc-f8VxuRQSnrQ8Pb0g@mail.gmail.com>
On 07/25/2011 04:23 PM, Blue Swirl wrote:
> > Yes. We can just make qemu_malloc use g_malloc.
>
> It would be also possible to make g_malloc() use qemu_malloc(). That
> way we could keep the tracepoints which would lose their value with
> g_malloc() otherwise.
qemu_malloc uses g_malloc => you keep tracepoints, you just do not trace
memory allocated by glib
g_malloc uses qemu_malloc => you keep and expand tracepoints, you lose
the very nicely tuned allocator
The former is much less code, however it requires qemu_malloc to be
always balanced with qemu_free (patches ready and on my github tree,
won't be sent before KVM Forum though...).
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Blue Swirl <blauwirbel@gmail.com>
Cc: kvm@vger.kernel.org, Avi Kivity <avi@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Introduce QEMU_NEW()
Date: Mon, 25 Jul 2011 16:51:27 +0200 [thread overview]
Message-ID: <4E2D82EF.4020606@redhat.com> (raw)
In-Reply-To: <CAAu8pHs_cx5GzNO2J=ZRf7QBTQ1qKratc-f8VxuRQSnrQ8Pb0g@mail.gmail.com>
On 07/25/2011 04:23 PM, Blue Swirl wrote:
> > Yes. We can just make qemu_malloc use g_malloc.
>
> It would be also possible to make g_malloc() use qemu_malloc(). That
> way we could keep the tracepoints which would lose their value with
> g_malloc() otherwise.
qemu_malloc uses g_malloc => you keep tracepoints, you just do not trace
memory allocated by glib
g_malloc uses qemu_malloc => you keep and expand tracepoints, you lose
the very nicely tuned allocator
The former is much less code, however it requires qemu_malloc to be
always balanced with qemu_free (patches ready and on my github tree,
won't be sent before KVM Forum though...).
Paolo
next prev parent reply other threads:[~2011-07-25 14:51 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-25 8:51 [PATCH] Introduce QEMU_NEW() Avi Kivity
2011-07-25 8:51 ` [Qemu-devel] " Avi Kivity
2011-07-25 9:32 ` Alexander Graf
2011-07-25 9:32 ` [Qemu-devel] " Alexander Graf
2011-07-25 9:37 ` Sasha Levin
2011-07-25 9:37 ` [Qemu-devel] " Sasha Levin
2011-07-25 9:43 ` Alexander Graf
2011-07-25 9:43 ` [Qemu-devel] " Alexander Graf
2011-07-25 9:49 ` Avi Kivity
2011-07-25 9:49 ` [Qemu-devel] " Avi Kivity
2011-07-25 9:48 ` Peter Maydell
2011-07-25 9:48 ` Peter Maydell
2011-07-25 9:52 ` Avi Kivity
2011-07-25 9:52 ` Avi Kivity
2011-07-25 9:56 ` Alexander Graf
2011-07-25 9:56 ` [Qemu-devel] " Alexander Graf
2011-07-25 10:02 ` Avi Kivity
2011-07-25 10:02 ` [Qemu-devel] " Avi Kivity
2011-07-25 10:04 ` Alexander Graf
2011-07-25 10:09 ` Avi Kivity
2011-07-25 10:19 ` Alexander Graf
2011-07-25 10:19 ` [Qemu-devel] " Alexander Graf
2011-07-25 10:46 ` malc
2011-07-25 10:46 ` malc
2011-07-25 10:59 ` Markus Armbruster
2011-07-25 10:59 ` [Qemu-devel] " Markus Armbruster
2011-07-25 11:11 ` Alexander Graf
2011-07-25 11:11 ` Alexander Graf
2011-07-25 12:19 ` Anthony Liguori
2011-07-25 12:19 ` Anthony Liguori
2011-07-25 14:16 ` Blue Swirl
2011-07-25 14:16 ` Blue Swirl
2011-07-25 14:20 ` Avi Kivity
2011-07-25 14:20 ` [Qemu-devel] " Avi Kivity
2011-07-25 12:30 ` Anthony Liguori
2011-07-25 11:35 ` Avi Kivity
2011-07-25 11:35 ` [Qemu-devel] " Avi Kivity
2011-07-25 10:06 ` Stefan Hajnoczi
2011-07-25 10:06 ` [Qemu-devel] " Stefan Hajnoczi
2011-07-25 10:12 ` Avi Kivity
2011-07-25 10:25 ` Kevin Wolf
2011-07-25 10:25 ` Kevin Wolf
2011-07-25 10:28 ` Stefan Hajnoczi
2011-07-25 10:28 ` Stefan Hajnoczi
2011-07-25 11:02 ` Markus Armbruster
2011-07-25 11:02 ` Markus Armbruster
2011-07-25 11:45 ` Avi Kivity
2011-07-25 15:10 ` Jes Sorensen
2011-07-25 15:10 ` [Qemu-devel] " Jes Sorensen
2011-07-25 15:15 ` Anthony Liguori
2011-07-25 15:17 ` Jes Sorensen
2011-07-25 15:20 ` Avi Kivity
2011-07-25 15:20 ` [Qemu-devel] " Avi Kivity
2011-07-25 15:21 ` Jes Sorensen
2011-07-25 15:21 ` Jes Sorensen
2011-07-25 15:24 ` Avi Kivity
2011-07-25 15:24 ` [Qemu-devel] " Avi Kivity
2011-07-25 15:28 ` Jes Sorensen
2011-07-25 15:28 ` Jes Sorensen
2011-07-25 15:35 ` Avi Kivity
2011-07-25 15:35 ` [Qemu-devel] " Avi Kivity
2011-07-25 12:11 ` Anthony Liguori
2011-07-25 12:11 ` [Qemu-devel] " Anthony Liguori
2011-07-25 12:18 ` Avi Kivity
2011-07-25 12:21 ` Anthony Liguori
2011-07-25 12:41 ` Avi Kivity
2011-07-25 12:41 ` [Qemu-devel] " Avi Kivity
2011-07-25 14:23 ` Blue Swirl
2011-07-25 14:23 ` Blue Swirl
2011-07-25 14:25 ` Anthony Liguori
2011-07-25 14:30 ` Max Filippov
2011-07-25 14:30 ` [Qemu-devel] " Max Filippov
2011-07-25 14:43 ` Anthony Liguori
2011-07-25 14:47 ` malc
2011-07-25 14:47 ` [Qemu-devel] " malc
2011-07-25 14:50 ` Avi Kivity
2011-07-25 14:50 ` Avi Kivity
2011-07-25 14:58 ` malc
2011-07-25 14:58 ` malc
2011-07-25 14:59 ` Avi Kivity
2011-07-25 14:59 ` Avi Kivity
2011-07-25 14:51 ` Paolo Bonzini [this message]
2011-07-25 14:51 ` Paolo Bonzini
2011-07-25 14:56 ` Blue Swirl
2011-07-25 14:56 ` Blue Swirl
2011-07-25 15:21 ` Paolo Bonzini
2011-07-25 15:21 ` Paolo Bonzini
2011-08-01 10:49 ` Richard W.M. Jones
2011-08-01 10:49 ` Richard W.M. Jones
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