Stefan Hajnoczi writes:
> On Fri, May 15, 2020 at 09:00:21AM +0200, Markus Armbruster wrote:
>> diff --git a/trace/simple.c b/trace/simple.c
>> index fc7106ec49..906391538f 100644
>> --- a/trace/simple.c
>> +++ b/trace/simple.c
>> @@ -302,10 +302,10 @@ static int st_write_event_mapping(void)
>>
On Fri, May 15, 2020 at 09:00:21AM +0200, Markus Armbruster wrote:
> diff --git a/trace/simple.c b/trace/simple.c
> index fc7106ec49..906391538f 100644
> --- a/trace/simple.c
> +++ b/trace/simple.c
> @@ -302,10 +302,10 @@ static int st_write_event_mapping(void)
> return 0;
> }
>
> -void st_
st_set_trace_file() accidentally enables tracing. It's called
unconditionally during startup, which is why QEMU built with the
simple trace backend always writes a trace file "trace-$PID".
This has been broken for quite a while. I didn't track down the exact
commit.
Fix st_set_trace_file() to r
