+ """Traverse TRex result dictionary and combines chosen latency stats.
+
+ example of latency dict returned by trex (2 chains):
+ 'latency': {256: {'err_cntrs': {'dropped': 0,
+ 'dup': 0,
+ 'out_of_order': 0,
+ 'seq_too_high': 0,
+ 'seq_too_low': 0},
+ 'latency': {'average': 26.5,
+ 'hdrh': u'HISTFAAAAEx4nJNpmSgz...bFRgxi',
+ 'histogram': {20: 303,
+ 30: 320,
+ 40: 300,
+ 50: 73,
+ 60: 4,
+ 70: 1},
+ 'jitter': 14,
+ 'last_max': 63,
+ 'total_max': 63,
+ 'total_min': 20}},
+ 257: {'err_cntrs': {'dropped': 0,
+ 'dup': 0,
+ 'out_of_order': 0,
+ 'seq_too_high': 0,
+ 'seq_too_low': 0},
+ 'latency': {'average': 29.75,
+ 'hdrh': u'HISTFAAAAEV4nJN...CALilDG0=',
+ 'histogram': {20: 261,
+ 30: 431,
+ 40: 3,
+ 50: 80,
+ 60: 225},
+ 'jitter': 23,
+ 'last_max': 67,
+ 'total_max': 67,
+ 'total_min': 20}},
+ 384: {'err_cntrs': {'dropped': 0,
+ 'dup': 0,
+ 'out_of_order': 0,
+ 'seq_too_high': 0,
+ 'seq_too_low': 0},
+ 'latency': {'average': 18.0,
+ 'hdrh': u'HISTFAAAADR4nJNpm...MjCwDDxAZG',
+ 'histogram': {20: 987, 30: 14},
+ 'jitter': 0,
+ 'last_max': 34,
+ 'total_max': 34,
+ 'total_min': 20}},
+ 385: {'err_cntrs': {'dropped': 0,
+ 'dup': 0,
+ 'out_of_order': 0,
+ 'seq_too_high': 0,
+ 'seq_too_low': 0},
+ 'latency': {'average': 19.0,
+ 'hdrh': u'HISTFAAAADR4nJNpm...NkYmJgDdagfK',
+ 'histogram': {20: 989, 30: 11},
+ 'jitter': 0,
+ 'last_max': 38,
+ 'total_max': 38,
+ 'total_min': 20}},
+ 'global': {'bad_hdr': 0, 'old_flow': 0}},
+ """