sysdig -w mode should give more feedback

[luca3m]

Currently if you run:

sysdig -w capture.scap

sysdig gives you no feedback of:

• if it started to actually parse events (like the initial startup has already been done)
• how many events got to the captures
• how many seconds worth of events have been put in the captures

Even if not all of the above and in live mode, I think we should at least give a feedback at the end about how many events got into the capture.

As possible implementation can even be a stats chisel that just gives some high level stats about a capture.

[lmn0]

I think sysdig capture does display the events like openfd, lchown etc that are stored in the scap file

[kristopolous]

An output similar to progress and pv would be nice. See here for an article on it

[github-actions[bot]]

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