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-rwxr-xr-xbin/mimosa-etv163
1 files changed, 105 insertions, 58 deletions
diff --git a/bin/mimosa-etv b/bin/mimosa-etv
index e23b46c..431e275 100755
--- a/bin/mimosa-etv
+++ b/bin/mimosa-etv
@@ -8,13 +8,16 @@ import numpy as np
import os
import re
import sys
-from dfatool.dfatool import aggregate_measures, MIMOSA
+from dfatool.dfatool import MIMOSA
+from dfatool.model import aggregate_measures
from dfatool.utils import running_mean
opt = dict()
+
def show_help():
- print('''mimosa-etv - MIMOSA Analyzer and Visualizer
+ print(
+ """mimosa-etv - MIMOSA Analyzer and Visualizer
USAGE
@@ -41,7 +44,9 @@ OPTIONS
Show power/time plot
--stat
Show mean voltage, current, and power as well as total energy consumption.
- ''')
+ """
+ )
+
def peak_search(data, lower, upper, direction_function):
while upper - lower > 1e-6:
@@ -58,6 +63,7 @@ def peak_search(data, lower, upper, direction_function):
upper = bs_test
return None
+
def peak_search2(data, lower, upper, check_function):
for power in np.arange(lower, upper, 1e-6):
peakcount = itertools.groupby(data, lambda x: x >= power)
@@ -67,38 +73,39 @@ def peak_search2(data, lower, upper, check_function):
return power
return None
-if __name__ == '__main__':
+
+if __name__ == "__main__":
try:
- optspec = ('help skip= threshold= threshold-peakcount= plot stat')
- raw_opts, args = getopt.getopt(sys.argv[1:], "", optspec.split(' '))
+ optspec = "help skip= threshold= threshold-peakcount= plot stat"
+ raw_opts, args = getopt.getopt(sys.argv[1:], "", optspec.split(" "))
for option, parameter in raw_opts:
- optname = re.sub(r'^--', '', option)
+ optname = re.sub(r"^--", "", option)
opt[optname] = parameter
- if 'help' in opt:
+ if "help" in opt:
show_help()
sys.exit(0)
- if 'skip' in opt:
- opt['skip'] = int(opt['skip'])
+ if "skip" in opt:
+ opt["skip"] = int(opt["skip"])
else:
- opt['skip'] = 0
+ opt["skip"] = 0
- if 'threshold' in opt and opt['threshold'] != 'mean':
- opt['threshold'] = float(opt['threshold'])
+ if "threshold" in opt and opt["threshold"] != "mean":
+ opt["threshold"] = float(opt["threshold"])
- if 'threshold-peakcount' in opt:
- opt['threshold-peakcount'] = int(opt['threshold-peakcount'])
+ if "threshold-peakcount" in opt:
+ opt["threshold-peakcount"] = int(opt["threshold-peakcount"])
except getopt.GetoptError as err:
print(err)
sys.exit(2)
except IndexError:
- print('Usage: mimosa-etv <duration>')
+ print("Usage: mimosa-etv <duration>")
sys.exit(2)
except ValueError:
- print('Error: duration or skip is not a number')
+ print("Error: duration or skip is not a number")
sys.exit(2)
voltage, shunt, inputfile = args
@@ -110,7 +117,7 @@ if __name__ == '__main__':
currents = mim.charge_to_current_nocal(charges) * 1e-6
powers = currents * voltage
- if 'threshold-peakcount' in opt:
+ if "threshold-peakcount" in opt:
bs_mean = np.mean(powers)
# Finding the correct threshold is tricky. If #peaks < peakcont, our
@@ -126,42 +133,59 @@ if __name__ == '__main__':
# #peaks != peakcount and threshold >= mean, we go down.
# If that doesn't work, we fall back to a linear search in 1 µW steps
def direction_function(peakcount, power):
- if peakcount == opt['threshold-peakcount']:
+ if peakcount == opt["threshold-peakcount"]:
return 0
if power < bs_mean:
return 1
return -1
+
threshold = peak_search(power, np.min(power), np.max(power), direction_function)
if threshold == None:
- threshold = peak_search2(power, np.min(power), np.max(power), direction_function)
+ threshold = peak_search2(
+ power, np.min(power), np.max(power), direction_function
+ )
if threshold != None:
- print('Threshold set to {:.0f} µW : {:.9f}'.format(threshold * 1e6, threshold))
- opt['threshold'] = threshold
+ print(
+ "Threshold set to {:.0f} µW : {:.9f}".format(
+ threshold * 1e6, threshold
+ )
+ )
+ opt["threshold"] = threshold
else:
- print('Found no working threshold')
+ print("Found no working threshold")
- if 'threshold' in opt:
- if opt['threshold'] == 'mean':
- opt['threshold'] = np.mean(powers)
- print('Threshold set to {:.0f} µW : {:.9f}'.format(opt['threshold'] * 1e6, opt['threshold']))
+ if "threshold" in opt:
+ if opt["threshold"] == "mean":
+ opt["threshold"] = np.mean(powers)
+ print(
+ "Threshold set to {:.0f} µW : {:.9f}".format(
+ opt["threshold"] * 1e6, opt["threshold"]
+ )
+ )
baseline_mean = 0
- if np.any(powers < opt['threshold']):
- baseline_mean = np.mean(powers[powers < opt['threshold']])
- print('Baseline mean: {:.0f} µW : {:.9f}'.format(
- baseline_mean * 1e6, baseline_mean))
- if np.any(powers >= opt['threshold']):
- print('Peak mean: {:.0f} µW : {:.9f}'.format(
- np.mean(powers[powers >= opt['threshold']]) * 1e6,
- np.mean(powers[powers >= opt['threshold']])))
+ if np.any(powers < opt["threshold"]):
+ baseline_mean = np.mean(powers[powers < opt["threshold"]])
+ print(
+ "Baseline mean: {:.0f} µW : {:.9f}".format(
+ baseline_mean * 1e6, baseline_mean
+ )
+ )
+ if np.any(powers >= opt["threshold"]):
+ print(
+ "Peak mean: {:.0f} µW : {:.9f}".format(
+ np.mean(powers[powers >= opt["threshold"]]) * 1e6,
+ np.mean(powers[powers >= opt["threshold"]]),
+ )
+ )
peaks = []
peak_start = -1
for i, dp in enumerate(powers):
- if dp >= opt['threshold'] and peak_start == -1:
+ if dp >= opt["threshold"] and peak_start == -1:
peak_start = i
- elif dp < opt['threshold'] and peak_start != -1:
+ elif dp < opt["threshold"] and peak_start != -1:
peaks.append((peak_start, i))
peak_start = -1
@@ -170,32 +194,55 @@ if __name__ == '__main__':
for peak in peaks:
duration = (peak[1] - peak[0]) * 1e-5
total_energy += np.mean(powers[peak[0] : peak[1]]) * duration
- delta_energy += (np.mean(powers[peak[0] : peak[1]]) - baseline_mean) * duration
+ delta_energy += (
+ np.mean(powers[peak[0] : peak[1]]) - baseline_mean
+ ) * duration
delta_powers = powers[peak[0] : peak[1]] - baseline_mean
- print('{:.2f}ms peak ({:f} -> {:f})'.format(duration * 1000,
- peak[0], peak[1]))
- print(' {:f} µJ / mean {:f} µW'.format(
- np.mean(powers[peak[0] : peak[1]]) * duration * 1e6,
- np.mean(powers[peak[0] : peak[1]]) * 1e6 ))
+ print(
+ "{:.2f}ms peak ({:f} -> {:f})".format(duration * 1000, peak[0], peak[1])
+ )
+ print(
+ " {:f} µJ / mean {:f} µW".format(
+ np.mean(powers[peak[0] : peak[1]]) * duration * 1e6,
+ np.mean(powers[peak[0] : peak[1]]) * 1e6,
+ )
+ )
measures = aggregate_measures(np.mean(delta_powers), delta_powers)
- print(' {:f} µW delta mean = {:0.1f}% / {:f} µW error'.format(np.mean(delta_powers) * 1e6, measures['smape'], measures['rmsd'] * 1e6 ))
- print('Peak energy mean: {:.0f} µJ : {:.9f}'.format(
- total_energy * 1e6 / len(peaks), total_energy / len(peaks)))
- print('Average per-peak energy (delta over baseline): {:.0f} µJ : {:.9f}'.format(
- delta_energy * 1e6 / len(peaks), delta_energy / len(peaks)))
-
-
- if 'stat' in opt:
+ print(
+ " {:f} µW delta mean = {:0.1f}% / {:f} µW error".format(
+ np.mean(delta_powers) * 1e6,
+ measures["smape"],
+ measures["rmsd"] * 1e6,
+ )
+ )
+ print(
+ "Peak energy mean: {:.0f} µJ : {:.9f}".format(
+ total_energy * 1e6 / len(peaks), total_energy / len(peaks)
+ )
+ )
+ print(
+ "Average per-peak energy (delta over baseline): {:.0f} µJ : {:.9f}".format(
+ delta_energy * 1e6 / len(peaks), delta_energy / len(peaks)
+ )
+ )
+
+ if "stat" in opt:
mean_current = np.mean(currents)
mean_power = np.mean(powers)
- print('Mean current: {:.0f} µA : {:.9f}'.format(mean_current * 1e6, mean_current))
- print('Mean power: {:.0f} µW : {:.9f}'.format(mean_power * 1e6, mean_power))
-
- if 'plot' in opt:
+ print(
+ "Mean current: {:.0f} µA : {:.9f}".format(
+ mean_current * 1e6, mean_current
+ )
+ )
+ print(
+ "Mean power: {:.0f} µW : {:.9f}".format(mean_power * 1e6, mean_power)
+ )
+
+ if "plot" in opt:
timestamps = np.arange(len(powers)) * 1e-5
- pwrhandle, = plt.plot(timestamps, powers, 'b-', label='U*I', markersize=1)
+ (pwrhandle,) = plt.plot(timestamps, powers, "b-", label="U*I", markersize=1)
plt.legend(handles=[pwrhandle])
- plt.xlabel('Time [s]')
- plt.ylabel('Power [W]')
+ plt.xlabel("Time [s]")
+ plt.ylabel("Power [W]")
plt.grid(True)
plt.show()