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| author | Andreas Sandberg <andreas.sandberg@arm.com> | 2017-04-05 16:40:08 +0100 |
|---|---|---|
| committer | Andreas Sandberg <andreas.sandberg@arm.com> | 2017-04-06 13:35:17 +0000 |
| commit | 9ff8a2be92084e6be11b9ebb8cda9a20c4256398 (patch) | |
| tree | f141e9752f8496a346ba4c45b5bf6ea0f7f24993 | |
| parent | 0b223f4001fce26cad3b3c7e03501e7222d85ee0 (diff) | |
| download | gem5-9ff8a2be92084e6be11b9ebb8cda9a20c4256398.tar.xz | |
power: Add a voltage variable to power expressions
There is currently no good way of extracting the current operating
voltage in MathExprPowerModels. This change adds a magic variable,
'voltage', that can be referenced from such expressions to get the
current operating voltage.
Change-Id: Ice3c9a4a221921a542de5da52f83f3f88862d246
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/2662
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
| -rw-r--r-- | src/sim/power/mathexpr_powermodel.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/sim/power/mathexpr_powermodel.cc b/src/sim/power/mathexpr_powermodel.cc index 13d225ee3..a77e14a08 100644 --- a/src/sim/power/mathexpr_powermodel.cc +++ b/src/sim/power/mathexpr_powermodel.cc @@ -115,8 +115,11 @@ MathExprPowerModel::getStatValue(const std::string &name) const using namespace Stats; // Automatic variables: - if (name == "temp") + if (name == "temp") { return _temp; + } else if (name == "voltage") { + return clocked_object->voltage(); + } // Try to cast the stat, only these are supported right now const auto it = stats_map.find(name); |