I need to instrument spans with different names dynamically. How can I create a tracing span with dynamic naming? use tracing; // 0.1.22 fn main() { let name: &'static str = "foo bar&quo...

I use tracing, and I only want to see my own debug events. However, some crates I depend on also have tracing support, and they litter the event stream. So when I increase verbosity to DEBUG, I see...

My application is using the tracing Rust crate to create log output. How do I print these log messages when I'm running my tests?

I'm learning Axum and I will like to add logging to the service I have put together but unfortunately I cannot get it to work. I have added tower-http to use the TraceLayer and added it to my app: ...

When I write logs to a file with tracing-appender, I get output with terminal color artifacts which do not render when viewing them as a text file: [2mOct 02 23:44:57.484[0m [34mDEBUG[0m Is there ...

I want to capture the duration of execution of a span in the Rust tracing crate and send that as metric. I have found that fmt() helps in printing that as mentioned here: How can I log span duratio...

I am using Axum for a relatively simple Web API and would like to get a logging/tracing output for incoming requests similar to Go Gin, IIS logs, Python FastAPI, etc. - a simple path and parameters...

Let's say I have a function that returns a Vec<Box<dyn Subscriber>> and I want to combine them into a single one to be set as the default subscriber. How to do this? I'm trying to do so...

As a developer I would like to adjust the log level on the fly. For example, I don't want to log debug! events when everything is going fine, but when something happens, I would like to adjust the ...

I have a very simple code example here which just wants to get the first item of a list I pass in. I have been trying to instrument the code with tracing to help debug the application but frankly t...

Rust has a tracing library that seems quite popular. It uses a building block called "span": Spans represent periods of time in the execution of a program. Now that I've set spans all t...

How to print what source line! and file! a trace log originated from with tracing and tracing-subscriber? The code I'm working with is well prepared and contains lots of log prints, which is good, ...

When using warp with tracing enabled, I find the tracing output to be noisy. This is because a set of tracing events is emitted by every route, i.e., filter, that is attempted on each request. So f...

I'm using the tracing library in my project and there is one thing I'm not able to figure out: How can I access a value (that I set in my span when I create it) in my Layer? My layer looks like thi...

I'm try to implement some centralized logging with the tracing crate. I can write to a rolling file with the tracing-appender crate or to a Graylog application with the following code: let mut guar...

I'm writing a Rust crate for internal company use that wraps the excellent Tokio tracing crate, with a bit of additional functionality. Not only do I re-export the macros in tracing, but I also add...