CP-50444: Instrument http svr with dt #5888
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edwintorok
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lindig
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psafont
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Also known as 'never' ;) |
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psafont
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Adds `with_child_trace` fuction that only creates a span only if there exists a parent. Signed-off-by: Gabriel Buica <danutgabriel.buica@cloud.com>
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Intruments the following path of an http request: - `handle_one`, - `callback`, - `callback1`, - `dispatch`, - `jsoncallback`, - `response`. Signed-off-by: Gabriel Buica <danutgabriel.buica@cloud.com>
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Passes BVT 202354. |
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Last commit updates the parent so that the trace looks like this:
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mg12
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Aug 7, 2024
mg12
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mg12
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Intruments the request reading loop. Adds new functionality to the tracing library to update a span with a new parent. This way we can retroactively set the parent span with the correnct one. Signed-off-by: Gabriel Buica <danutgabriel.buica@cloud.com>
Fixes warning of unused records fields. These fields are part of the opentelementry spec but we are currently not using them in `xapi`. Signed-off-by: Gabriel Buica <danutgabriel.buica@cloud.com>
Increases the default maximum number of spans inside a trace from `1000` to `2500`. Now that we instrumented the internal http calls, with all components enabled, the number of spans inside `xapi` component for a `vm-start` operations is slightly greater than `1000`. This causes spans to be leaked, they are removed from the ongoing span table but never added in the finished tabled. Therefore, they are lost unless the limit is change in `/etc/xapi.conf`. This should fix the issue until we implement a better abstraction for the span hashtables. Signed-off-by: Gabriel Buica <danutgabriel.buica@cloud.com>
….Request` Like the title says, this commit adds `Http.Request.with_tracing` to `Http.Request`. This should enable updating the traceparent field of a request while we process it. Signed-off-by: Gabriel Buica <danutgabriel.buica@cloud.com>
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mg12
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Instruments functions such as:
handle_onecallbackcallback1dispatchjsoncallbackresponse...
This should help us determine where the time is spent between receiving the request and sending back a response.
Latest BVT passed: 202675 (Dev Run)