On 2017-02-22 08:42, hvlad@... [firebird-support]
wrote:

> ---In firebird-support@yahoogroups.com, <chris@...> wrote :
>
>> I've started looking into Firebird tracing capabilities and there
>> seems to
>> be very little documentation on the topic besides the official manual
>> and
>> a few commercial applications that are well known.
>
> Does you read
> https://www.firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-trace.html
> and
> https://www.firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-svctrace
> ?
>
>> I am aware of the "fbtracemgr" utility but I would like to handle
>> things
>> myself.
>
> Good. Note, you need not "auditing" session but usual "user trace"
> session.
> Audit is a bit different, read the docs, please.
>
>> First of all: how do I start a tracing session? Is it a sql command
>> that I
>> call like a function or I select from like in a procedure?
>
> FIrst, you need to know how to work with Services API.
> Second, read again
> https://www.firebirdsql.org/file/documentation/release_notes/html/en/2_5/rnfb25-apiods-api.html#rnfb25-apiods-api-svctrace
>
> Also, you can read source code of fbtracemgr
> https://github.com/FirebirdSQL/firebird/blob/B2_5_Release/src/utilities/fbtracemgr/traceMgrMain.cpp
>
>> Second: how do I feed Firebird the tracing session configuration file?
>> Does it need to be a "physical" file on the same server as FB or can
>> it be
>> read from like STDIN?
> If you read docs, you know that trace configuration is sent as a part
> of SPB
>
> Hope it helps,
> Vlad

Hi Vlad,

thank you for your response.
In which DLL are the isc_action_svc_trace_* functions located? I am
planning to call it from a Lazarus project