RFC Monitor support for Qemu tracing
Status from this message: Applied, thanks!
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b4 am 20100624164930.7859b779@zephyrVersions newest first
- v4 RFC Latest3 patches 1 replyApplied
Changes in v4 from the cover letter
1. As suggested, it replaces a hash-based search of tracepoints with a linear search.
2. Static initialization of trace event array.
3. Cleanups.
Patches in v4 Applied
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | Change type declarationssimpletrace.c tracetool | +12 | 0 replies | |
| 2/3 | Monitor command 'info trace'configure monitor.c qemu-monitor.hx +2 more | +32 | 0 replies | |
| 3/3 | Support for dynamically enabling/disabling trace events.monitor.c qemu-monitor.hx simpletrace.c +1 more | +104 | 0 replies |
Reviews trailers per patch
No Reviewed-by, Acked-by or Tested-by trailers for v4 yet.
Cover letter [RFC v4][PATCH 0/3] Monitor support for Qemu tracing
This set of patches enables trace visualization & control via the QEMU monitor. It is based on trace infrastructure posted upstream :
( http://lists.gnu.org/archive/html/qemu-devel/2010-05/msg02407.html )
This patchset adds monitor commands :
- info trace : to view current contents of the trace buffer
- info tracepoints : to view all available tracepoints and their state.
- tracepoint NAME on|off : to enable/disable the logging of dataThis is v3 of a set of patches to enable trace visualization & control via the QEMU monitor.
Changelog from v3:
1. As suggested, it replaces a hash-based search of tracepoints with a linear search.
2. Static initialization of trace event array.
3. Cleanups.
Changelog from v2:
1. Clean-ups, particularly relating to export of tdb_hash().
Changelog from v1:
1. Command 'info trace' is used to view current contents of buffer, in place of 'trace'.
2. Cleanups
Todos :
1. Integration with QMP
2. More tracepoints need to be added for instrumenting other qemu components such as virtio drivers, etc.
Signature · 5 lines
Prerna Saxena Linux Technology Centre, IBM Systems and Technology Lab, Bangalore, India