https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198147
Bug ID: 198147
Summary: [hwpmc] running pmcstat -t (top mode) whilst a process
is running doesn't resolve the symbols correctly
Product: Base System
Version: 11.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
When running hwpmc on -HEAD or -10 (and likely earlier), there's a difference
between running pmcstat in top mode /before/ and /after/ the process under
inspection.
If the order is:
* run pmcstat in top mode;
* start process under inspection;
Then symbol resolution looks fine.
If the order is:
* start process under inspection;
* run pmcstat in top mode;
.. then it sees events for the process, but the resolved symbols aren't always
correct or working at all.
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