6     "why": "Percent CPU usage. Used by cpu metric."  string
10     "why": "Bitrate."  string
14     "why": "Bitrate."  string
21     "why": "Colder machines are faster."  string
25     "why": "layer_tree_host_perftest"  string
29     "why": "Processes"  string
33     "why": "Decibels peak signal-to-noise ratio. Used by WebRTC quality tests."  string
37     "why": "Static initializers"  string
41     "why": "The faster the better. Used by scirra benchmark."  string
45     "why": "Dropped frames."  string
49     "why": "Synonym for fps."  string
53     "why": "layer_tree_host_perftest"  string
60     "why": "Higher frequencies are faster."  string
64     "why": "Fewer janks is better."  string
68     "why": "Synonym for KB, used in memory and io metrics."  string
72     "why": "kB of memory available. More memory available is better."  string
76     "why": "KB of memory usage. Less memory usage is better. Used in endure."  string
80     "why": "Coverage. More test coverage is better."  string
90     "why": "More instructions processed per time unit."  string
94     "why": "More pixels processed per time unit."  string
98     "why": "More texels processed per time unit."  string
102     "why": "More triangles processed per time unit."  string
106     "why": "More vertices processed per time unit."  string
110     "why": "Used in many Telemetry measurements. Fewer ms of time means faster."  string
114     "why": "Synonym for ms."  string
121     "why": "Used for NaCl build time."  string
125     "why": "Fewer milliwatt-hours means less energy consumed."  string
129     "why": "Used in spaceport benchmark."  string
136     "why": "Synonym for %, used in memory metric for percent fragmentation."  string
140     "why": "Used in alloy-perf-test/cts%/passed."  string
144     "why": "Synonym for score, used in ChromeOS touchpad tests."  string
154     "why": "Higher runs/ms implies faster execution."  string
158     "why": "Used in dromaeo. Higher runs/s implies faster execution."  string
162     "why": "Synonym for runs/s, used in dromaeo data sent by cros bots."  string
166     "why": "Synonym for runs/s."  string
170     "why": "Used in a variety of benchmarks where a higher score is better."  string
174     "why": "Synonym for score."  string
178     "why": "Synonym for score, used in jsgamebench and dom_perf."  string
191     "why": "Used in smoothness benchmarks. Number of vsyncs to generate a frame, never < 1.0"  string