tracing

Is your feature request related to a problem?

The first step towards app optimization

Please describe.
Configure whyDidYouRender under the development env

**Note: make sure it is compatible with all the custom hooks that we are using in the project **

Is your feature request related to a problem? Please describe.

I fiddled around with bpftrace to write internal documentation for my colleagues on how to use it. I chose tracepoint:syscalls:sys_enter_mkdir as a suitable tracepoint for a simple demo, and wrote this code:

bpftrace -e 'tracepoint:syscalls:sys_enter_mkdir { printf("mkdir %s %o\n", str(args->pathname), args->mode); }

It will be useful to have the help specific to use case.

Existing Behavior:
uftrace --help and uftrace replay --help gives the same help prompt.

New Behavior:
uftrace --help can give the help for entire application.
uftrace replay --help can give the help for uftrace replay only.

Reason:

1. This will help narrow down the options available for subprogra

Feature Request

Crates

• tracing-core

Motivation

The Collect trait currently has several methods with default implementations that return an Option or some other "empty" or "default" type. In many cases, this isn't because it makes sense for those methods to be optional, but because they were added after v0.1.0 was released and making them mandatory would have been a

Out of scope during Twitch Series but a nice to have feature that can be implemented

Booking is not currently using Subscription, and it could be done by leveraging parametrized Subscriptions.

Tasks to complete in order to implement this feature:

• Modify onUpdateBooking Subscription to include customer and status
• Implement onUpdateBooking subscription in the Fron

The recently added flags in timescale/promscale#578 are yet to be updated in prom-migrator's readme which can be found here.

It seems to me that UTC is selected for on the wire representation of time as well as in the database (jaegertracing/jaeger#712), which sort of makes sense, at least with a somewhat naive handling of timezones. However, I think that the Jaeger UI should support displaying times in the timezone local to the user, i.e. of the browser as to reduce the mental load when viewing