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author | Prakash Ramrakhyani <Prakash.Ramrakhyani@arm.com> | 2012-01-09 18:08:20 -0600 |
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committer | Prakash Ramrakhyani <Prakash.Ramrakhyani@arm.com> | 2012-01-09 18:08:20 -0600 |
commit | 51aa7e4a0392d5e8f98bd7a4d09f4026dd21bd0a (patch) | |
tree | 4a93fd0bdfd9e4403053e10ac329500649216f08 /src/base/statistics.hh | |
parent | 525d1e46dcb3180c8d73996adc025ce255575bd7 (diff) | |
download | gem5-51aa7e4a0392d5e8f98bd7a4d09f4026dd21bd0a.tar.xz |
sim: Enable sampling of run-time for code-sections marked using pseudo insts.
This patch adds a mechanism to collect run time samples for specific portions
of a benchmark, using work_begin and work_end pseudo instructions.It also enhances
the histogram stat to report geometric mean.
Diffstat (limited to 'src/base/statistics.hh')
-rw-r--r-- | src/base/statistics.hh | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/base/statistics.hh b/src/base/statistics.hh index d98c79414..1f8a59326 100644 --- a/src/base/statistics.hh +++ b/src/base/statistics.hh @@ -1477,6 +1477,8 @@ class HistStor /** The current sum. */ Counter sum; + /** The sum of logarithm of each sample, used to compute geometric mean. */ + Counter logs; /** The sum of squares. */ Counter squares; /** The number of samples. */ @@ -1528,6 +1530,7 @@ class HistStor sum += val * number; squares += val * val * number; + logs += log(val) * number; samples += number; } @@ -1567,6 +1570,7 @@ class HistStor data.cvec[i] = cvec[i]; data.sum = sum; + data.logs = logs; data.squares = squares; data.samples = samples; } @@ -1589,6 +1593,7 @@ class HistStor sum = Counter(); squares = Counter(); samples = Counter(); + logs = Counter(); } }; |