Guiding Identificationof Missing Scenarios

for Dynamic Feature Location

Shinpei Hayashi,†1

Hiroshi Kazato,†2

Takashi Kobayashi,†1

Tsuyoshi Oshima,†3

Katsuyuki Natsukawa,†3

Takashi Hoshino,†3 andMotoshi Saeki†1

†1 Tokyo Institute of Technology†2 NTT DATA CORPORATION†3 NTT Software Innovation Center

Dynamic Feature Locationl Specifying modules based on the execution profiles

obtained using scenarios– Lack of scenarios leads to insufficient results

Feature implementation

Scen

ario

1Sc

enar

io2

Missingnon-invokedmodules

Found

Finding Clues for New Scenariosl Which unexplored call dependencies ( )

should we focus on for preparing new scenarios?

Problem:

??

?? ?

?

??

?

?

Prioritization Deps. by Metricsl Measuring the potential impact of unexplored

dependencies– NODU(dep): number of outgoing unexplored deps. = 5

dep

Incomingmodules/dependencies

(reaching/using d)

Outgoingmodules/dependencies(reached/used by d)

Solution:

1

2

34

5