mirror of https://github.com/ArduPilot/ardupilot
78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
from LogAnalyzer import Test,TestResult
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import DataflashLog
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class TestDupeLogData(Test):
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'''test for duplicated data in log, which has been happening on PX4/Pixhawk'''
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def __init__(self):
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Test.__init__(self)
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self.name = "Dupe Log Data"
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def __matchSample(self, sample, sampleStartIndex, logdata):
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'''return the line number where a match is found, otherwise return False'''
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# ignore if all data in sample is the same value
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nSame = 0
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for s in sample:
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if s[1] == sample[0][1]:
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nSame += 1
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if nSame == 20:
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return False
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# c
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data = logdata.channels["ATT"]["Pitch"].listData
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for i in range(sampleStartIndex, len(data)):
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#print "Checking against index %d" % i
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if i == sampleStartIndex:
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continue # skip matching against ourselves
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j = 0
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while j<20 and (i+j)<len(data) and data[i+j][1] == sample[j][1]:
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#print "### Match found, j=%d, data=%f, sample=%f, log data matched to sample at line %d" % (j,data[i+j][1],sample[j][1],data[i+j][0])
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j += 1
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if j == 20: # all samples match
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return data[i][0]
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return False
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def run(self, logdata, verbose):
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self.result = TestResult()
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self.result.status = TestResult.StatusType.GOOD
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# this could be made more flexible by not hard-coding to use ATT data, could make it dynamic based on whatever is available as long as it is highly variable
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if "ATT" not in logdata.channels:
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self.result.status = TestResult.StatusType.UNKNOWN
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self.result.statusMessage = "No ATT log data"
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return
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# pick 10 sample points within the range of ATT data we have
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sampleStartIndices = []
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attStartIndex = 0
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attEndIndex = len(logdata.channels["ATT"]["Pitch"].listData)-1
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step = attEndIndex / 11
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for i in range(step,attEndIndex-step,step):
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sampleStartIndices.append(i)
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#print "Dupe data sample point index %d at line %d" % (i, logdata.channels["ATT"]["Pitch"].listData[i][0])
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# get 20 datapoints of pitch from each sample location and check for a match elsewhere
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sampleIndex = 0
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for i in range(sampleStartIndices[0], len(logdata.channels["ATT"]["Pitch"].listData)):
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if i == sampleStartIndices[sampleIndex]:
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#print "Checking sample %d" % i
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sample = logdata.channels["ATT"]["Pitch"].listData[i:i+20]
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matchedLine = self.__matchSample(sample, i, logdata)
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if matchedLine:
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#print "Data from line %d found duplicated at line %d" % (sample[0][0],matchedLine)
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self.result.status = TestResult.StatusType.FAIL
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self.result.statusMessage = "Duplicate data chunks found in log (%d and %d)" % (sample[0][0],matchedLine)
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return
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sampleIndex += 1
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if sampleIndex >= len(sampleStartIndices):
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break
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