[tor-bugs] #32910 [Core Tor/Tor]: trace: Add tracepoints and userspace tracer support
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Thu Feb 20 15:22:38 UTC 2020
#32910: trace: Add tracepoints and userspace tracer support
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Reporter: dgoulet | Owner: dgoulet
Type: enhancement | Status: needs_review
Priority: Medium | Milestone: Tor: 0.4.4.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: tracing | Actual Points:
Parent ID: | Points: 3
Reviewer: nickm | Sponsor:
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Comment (by nickm):
Issues we talked about on IRC:
* Maybe we should disambiguate identifiers used as domains and event
names. Prefixes, suffices, InitialCaps, and camelCase were all suggested
as possibilities. So were TOR_TRACE, macros to create a single macro per
event, and so on.
* Testing. How do we verify that this is working and we haven't broken
it? We need some kind of test that actually makes sure events are
happening and getting recorded.
* Documentation. We should make sure that you don't need to know the tor
source code intimately to understand the event descriptions.
* Safety. In order to make sure this feature stays safe:
* Tor should log loudly when it is enabled.
* There should be clear safety guidelines about how the data it
generates if used on the public network should be considered NOT safe to
share, should NOT be backed up, and should be deleted.
* We should make sure we tell researchers explicitly that if they try
to use this for science on the public network, they will get data that
they cannot ethically share, and they should probably look for another
approach if they're doing science.
* We should talk with Roger and the research safety board, looking
for more suggestions, if they have any.
Smaller issues:
* This needs a changes file.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32910#comment:13>
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