From: Paolo Bonzini <pbonzini@redhat.com>
To: "Emilio G. Cota" <cota@braap.org>,
Frederic Konrad <fred.konrad@greensocs.com>
Cc: mttcg@greensocs.com, "Peter Maydell" <peter.maydell@linaro.org>,
"Jan Kiszka" <jan.kiszka@siemens.com>,
"Mark Burton" <mark.burton@greensocs.com>,
"Alexander Graf" <agraf@suse.de>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"Alex Bennée" <alex.bennee@linaro.org>
Subject: Re: [Qemu-devel] [RFC 00/10] MultiThread TCG.
Date: Tue, 28 Apr 2015 11:06:37 +0200 [thread overview]
Message-ID: <553F4D9D.4040901@redhat.com> (raw)
In-Reply-To: <20150427170655.GA32698@flamenco>
On 27/04/2015 19:06, Emilio G. Cota wrote:
> Note that I'm running with -smp 1. My guess is that the iothread
> is starved, since patch 472f4003 "Drop global lock during TCG code execution"
> removes from the iothread the ability to kick CPU threads.
In theory that shouldn't be necessary anymore. The CPU thread should
only hold the global lock for very small periods of time, similar to KVM.
Can you post a backtrace?
Paolo
next prev parent reply other threads:[~2015-04-28 9:06 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-16 17:19 [Qemu-devel] [RFC 00/10] MultiThread TCG fred.konrad
2015-01-16 17:19 ` [Qemu-devel] [RFC 01/10] target-arm: protect cpu_exclusive_* fred.konrad
2015-01-27 14:36 ` Alex Bennée
2015-01-29 15:17 ` Peter Maydell
2015-02-02 8:31 ` Frederic Konrad
2015-02-02 8:36 ` Peter Maydell
2015-02-26 18:09 ` Frederic Konrad
2015-02-26 20:36 ` Alexander Graf
2015-02-26 22:56 ` Peter Maydell
2015-02-27 7:54 ` Mark Burton
2015-03-02 12:27 ` Peter Maydell
2015-03-03 15:29 ` Mark Burton
2015-03-03 15:32 ` Paolo Bonzini
2015-03-03 15:33 ` Mark Burton
2015-03-03 15:34 ` Paolo Bonzini
2015-03-03 15:41 ` Mark Burton
2015-03-03 15:47 ` Dr. David Alan Gilbert
2015-03-13 19:38 ` Richard Henderson
2015-03-13 20:04 ` Dr. David Alan Gilbert
2015-01-16 17:19 ` [Qemu-devel] [RFC 02/10] use a different translation block list for each cpu fred.konrad
2015-01-27 14:45 ` Alex Bennée
2015-01-27 15:16 ` Frederic Konrad
2015-01-29 15:24 ` Peter Maydell
2015-01-29 15:33 ` Mark Burton
2015-02-02 8:39 ` Frederic Konrad
2015-02-02 8:49 ` Peter Maydell
2015-02-03 16:17 ` Richard Henderson
2015-02-03 16:33 ` Paolo Bonzini
2015-01-16 17:19 ` [Qemu-devel] [RFC 03/10] replace spinlock by QemuMutex fred.konrad
2015-01-29 15:25 ` Peter Maydell
2015-02-02 8:45 ` Frederic Konrad
2015-01-16 17:19 ` [Qemu-devel] [RFC 04/10] remove unused spinlock fred.konrad
2015-01-16 17:19 ` [Qemu-devel] [RFC 05/10] extract TBContext from TCGContext fred.konrad
2015-01-29 15:44 ` Peter Maydell
2015-02-03 16:30 ` Richard Henderson
2015-01-16 17:19 ` [Qemu-devel] [RFC 06/10] protect TBContext with tb_lock fred.konrad
2015-01-16 17:19 ` [Qemu-devel] [RFC 07/10] tcg: remove tcg_halt_cond global variable fred.konrad
2015-01-16 17:19 ` [Qemu-devel] [RFC 08/10] Drop global lock during TCG code execution fred.konrad
2015-01-16 17:19 ` [Qemu-devel] [RFC 09/10] cpu: remove exit_request global fred.konrad
2015-01-29 15:52 ` Peter Maydell
2015-02-02 10:03 ` Paolo Bonzini
2015-02-02 13:12 ` Peter Maydell
2015-02-02 13:14 ` Paolo Bonzini
2015-02-03 9:37 ` Frederic Konrad
2015-02-03 10:29 ` Peter Maydell
2015-01-16 17:19 ` [Qemu-devel] [RFC 10/10] tcg: switch on multithread fred.konrad
2015-03-27 10:08 ` [Qemu-devel] [RFC 00/10] MultiThread TCG Alex Bennée
2015-03-27 10:37 ` Frederic Konrad
2015-03-30 6:52 ` Mark Burton
2015-03-30 21:46 ` Peter Maydell
2015-03-31 6:41 ` Mark Burton
2015-04-10 16:03 ` Frederic Konrad
2015-04-22 12:26 ` Frederic Konrad
2015-04-22 13:18 ` Peter Maydell
2015-04-23 7:38 ` Frederic Konrad
2015-04-23 15:44 ` Alex Bennée
2015-04-23 15:46 ` Alex Bennée
2015-04-27 7:37 ` Frederic Konrad
2015-04-27 17:06 ` Emilio G. Cota
2015-04-28 8:17 ` Frederic Konrad
2015-04-28 9:06 ` Paolo Bonzini [this message]
2015-04-28 17:49 ` Emilio G. Cota
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