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Re: [Qemu-devel] [PATCH v2 1/2] trace: [linux-user] Commandline argument
From: |
Lluís Vilanova |
Subject: |
Re: [Qemu-devel] [PATCH v2 1/2] trace: [linux-user] Commandline arguments to control tracing |
Date: |
Wed, 29 Jun 2016 12:45:23 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Stefan Hajnoczi writes:
> On Wed, Jun 22, 2016 at 12:04:35PM +0200, Lluís Vilanova wrote:
>> @@ -4047,6 +4064,12 @@ static const struct qemu_argument arg_table[] = {
>> "", "log system calls"},
>> {"seed", "QEMU_RAND_SEED", true, handle_arg_randseed,
>> "", "Seed for pseudo-random number generator"},
>> + {"trace-enable", "QEMU_TRACE_ENABLE",true, handle_arg_trace_enable,
>> + "name", "enable tracing of specified event names (pass 'help' to
>> show a list of events)"},
>> + {"trace-events", "QEMU_TRACE_EVENTS",true, handle_arg_trace_events,
>> + "eventsfile", "enable tracing of specified event names (one
>> name/pattern per line)"},
>> + {"trace-file", "QEMU_TRACE_FILE", true, handle_arg_trace_file,
>> + "tracefile", "output trace file"},
> Riku: These command-line options differ from the qemu-system -trace
> option. Should there be consistency or does *-user do its own thing?
Do you mean it differs on semantics or on syntax? For the latter, *-user option
parsers do not use the more flexible parser used in vl.c (each has their own
much simpler implementation).
Cheers,
Lluis