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From: "Alex Bennée" <alex.bennee@linaro.org>
To: "Denis V. Lunev" <den@openvz.org>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PULL 05/13] trace: split trace_init_file out of trace_init_backends
Date: Tue, 09 Feb 2016 12:28:27 +0000	[thread overview]
Message-ID: <87d1s6vzis.fsf@linaro.org> (raw)
In-Reply-To: <56B9CADB.9030404@openvz.org>


Denis V. Lunev <den@openvz.org> writes:

> On 02/08/2016 09:43 PM, Alex Bennée wrote:
>> Stefan Hajnoczi <stefanha@redhat.com> writes:
>>
>>> From: Paolo Bonzini <pbonzini@redhat.com>
>>>
>>> This is cleaner, and improves error reporting with -daemonize.
>>>
>>> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>>> Signed-off-by: Denis V. Lunev <den@openvz.org>
>>> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
>>> Message-id: 1452174932-28657-4-git-send-email-den@openvz.org
>>> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
>>> ---
>>>   qemu-io.c       |  2 +-
>>>   trace/control.c | 17 ++++++++++++-----
>>>   trace/control.h | 13 ++++++++++++-
>>>   trace/simple.c  |  6 ++----
>>>   trace/simple.h  |  4 ++--
>>>   vl.c            | 13 +++++++++----
>>>   6 files changed, 38 insertions(+), 17 deletions(-)
>>>
>>> diff --git a/qemu-io.c b/qemu-io.c
>>> index 1c11d57..83c48f4 100644
>>> --- a/qemu-io.c
>>> +++ b/qemu-io.c
>>> @@ -435,7 +435,7 @@ int main(int argc, char **argv)
>>>               }
>>>               break;
>>>           case 'T':
>>> -            if (!trace_init_backends(optarg)) {
>>> +            if (!trace_init_backends()) {
>>>                   exit(1); /* error message will have been printed */
>>>               }
>>>               break;
>>> diff --git a/trace/control.c b/trace/control.c
>>> index 931d64c..f5a497a 100644
>>> --- a/trace/control.c
>>> +++ b/trace/control.c
>>> @@ -145,17 +145,24 @@ void trace_init_events(const char *fname)
>>>       loc_pop(&loc);
>>>   }
>>>
>>> -bool trace_init_backends(const char *file)
>>> +void trace_init_file(const char *file)
>>>   {
>>>   #ifdef CONFIG_TRACE_SIMPLE
>>> -    if (!st_init(file)) {
>>> -        fprintf(stderr, "failed to initialize simple tracing backend.\n");
>>> -        return false;
>>> -    }
>>> +    st_set_trace_file(file);
>> This breaks "make check" as st_set_trace_file will attempt to flush the
>> file:
> this does not hang for me even with CONFIG_TRACE_SIMPLE enabled.
> Could you share your ./configure options?

./configure --target-list=x86_64-softmmu --enable-trace-backends=simple

Also see:

https://travis-ci.org/stsquad/qemu/jobs/107280320

--
Alex Bennée

  reply	other threads:[~2016-02-09 12:28 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-03 15:47 [Qemu-devel] [PULL 00/13] Tracing patches Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 01/13] trace: count number of enabled events Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 02/13] trace: track enabled events in a separate array Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 03/13] trace: fix documentation Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 04/13] trace: split trace_init_events out of trace_init_backends Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 05/13] trace: split trace_init_file " Stefan Hajnoczi
2016-02-08 18:43   ` Alex Bennée
2016-02-09 11:17     ` Denis V. Lunev
2016-02-09 12:28       ` Alex Bennée [this message]
2016-02-09 19:19         ` Denis V. Lunev
2016-02-03 15:47 ` [Qemu-devel] [PULL 06/13] trace: no need to call trace_backend_init in different branches now Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 07/13] trace: add "-trace enable=..." Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 08/13] trace: add "-trace help" Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 09/13] log: do not unnecessarily include qom/cpu.h Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 10/13] log: move qemu-log.c into util/ directory Stefan Hajnoczi
2016-02-03 16:03   ` Daniel P. Berrange
2016-02-03 16:15     ` Denis V. Lunev
2016-02-03 16:36     ` Eric Blake
2016-02-03 17:38   ` Dimitris Aragiorgis
2016-02-03 18:46     ` Paolo Bonzini
2016-02-03 15:47 ` [Qemu-devel] [PULL 11/13] trace: convert stderr backend to log Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 12/13] trace: switch default backend to "log" Stefan Hajnoczi
2016-02-03 15:47 ` [Qemu-devel] [PULL 13/13] log: add "-d trace:PATTERN" Stefan Hajnoczi
2016-02-03 17:55 ` [Qemu-devel] [PULL 00/13] Tracing patches Peter Maydell
2016-02-03 18:49   ` Paolo Bonzini
2016-02-04 11:05     ` Peter Maydell

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