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| author | Radhika Jagtap <radhika.jagtap@ARM.com> | 2015-12-07 16:42:15 -0600 |
|---|---|---|
| committer | Radhika Jagtap <radhika.jagtap@ARM.com> | 2015-12-07 16:42:15 -0600 |
| commit | eb19fc29761a99ff7d5a5e4588866b487a2082ee (patch) | |
| tree | 0d0caae1d24eb8e3bf7d7c34eadd7810e0106cae /src/cpu/o3/fetch.hh | |
| parent | bbcbe028fe904ec3f48b39e02c4a8fbc6f438699 (diff) | |
| download | gem5-eb19fc29761a99ff7d5a5e4588866b487a2082ee.tar.xz | |
probe: Add probe in Fetch, IEW, Rename and Commit
This patch adds probe points in Fetch, IEW, Rename and Commit stages as follows.
A probe point is added in the Fetch stage for probing when a fetch request is
sent. Notify is fired on the probe point when a request is sent succesfully in
the first attempt as well as on a retry attempt.
Probe points are added in the IEW stage when an instruction begins to execute
and when execution is complete. This points can be used for monitoring the
execution time of an instruction.
Probe points are added in the Rename stage to probe renaming of source and
destination registers and when there is squashing. These probe points can be
used to track register dependencies and remove when there is squashing.
A probe point for squashing is added in Commit to probe squashed instructions.
Diffstat (limited to 'src/cpu/o3/fetch.hh')
| -rw-r--r-- | src/cpu/o3/fetch.hh | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/cpu/o3/fetch.hh b/src/cpu/o3/fetch.hh index 536568bc2..672fb499b 100644 --- a/src/cpu/o3/fetch.hh +++ b/src/cpu/o3/fetch.hh @@ -197,6 +197,8 @@ class DefaultFetch /** Probe points. */ ProbePointArg<DynInstPtr> *ppFetch; + /** To probe when a fetch request is successfully sent. */ + ProbePointArg<RequestPtr> *ppFetchRequestSent; public: /** DefaultFetch constructor. */ |