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Re: [RFC PATCH v1] telemetry design overview (part 1)

Am 08.06.2018 um 11:07 schrieb Jeff King:
> On Thu, Jun 07, 2018 at 11:10:52PM +0200, Johannes Sixt wrote:
>> Am 07.06.2018 um 16:53 schrieb git@xxxxxxxxxxxxxxxxx:
>>> From: Jeff Hostetler <jeffhost@xxxxxxxxxxxxx>
>>> I've been working to add code to Git to optionally collect telemetry data.
>>> The goal is to be able to collect performance data from Git commands and
>>> allow it to be aggregated over a user community to find "slow commands".
>> Seriously? "add code to collect telemetry data" said by somebody whose email
>> address ends with @microsoft.com is very irritating. I really don't want to
>> have yet another switch that I must check after every update that it is
>> still off.
> If you look at the design document, it's off by default and would write
> to a file on the filesystem. That doesn't seem all that different from

The patch also includes the following part

+If the config setting "telemetry.plugin" contains the pathname to a shared
+library, the library will be dynamically loaded during start up and events
+will be sent to it using the plugin API.
+This plugin model allows an organization to define a custom or private
+telemetry solution while using a stock version of Git.
+For example, on Windows, it allows telemetry events to go directly to the
+kernel via the plugin using the high performance Event Tracing for Windows
+(ETW) facility.
+The contrib/telemetry-plugin-examples directory contains two example
+ * A trivial log to stderr
+ * A trivial ETW writer

which is not a file but, if enabled, some windows internal thingie where the data is gone/duplicated/sent out/whatever.

I for my part would much rather prefer that to be a compile time option so that I don't need to check on every git update on windows if this is now enabled or not.