Information processing apparatus and program execution status display method

A program execution status display method comprising:

• obtaining, by a processor, start time information indicating a plurality of start times that are calculated when a target program is executed, the target program including a loop that repeats a process using a plurality of functions, each of the start times indicating a time when execution of the process is started on each repetition of the process;
• obtaining, by the processor, a plurality of sampling logs that are generated by intermittent sampling when the target program is executed, each of the sampling logs including a sampling time and status information used for specifying a function being executed from among the plurality of functions;
• converting, by the processor, the sampling time of each of the plurality of sampling logs into a time difference from the start time immediately preceding the sampling time, among the plurality of start times;
• classifying, by the processor, the plurality of sampling logs into a plurality of time difference segments based on the time difference, and counting, for each of the time difference segments, a number of times execution of each of the plurality of functions is detected, based on the status information of the sampling log belonging to said each time difference segment;
• and
• displaying, by the processor, time-series information indicating a corresponding relationship between the plurality of time difference segments that are arranged in order of time difference and the functions that are executed, based on the counted number of times.

A non-transitory computer-readable storage medium storing a computer program that causes a computer to perform a procedure comprising:

• obtaining start time information indicating a plurality of start times that are calculated when a target program is executed, the target program including a loop that repeats a process using a plurality of functions, each of the start times indicating a time when execution of the process is started on each repetition of the process;
• obtaining a plurality of sampling logs that are generated by intermittent sampling when the target program is executed, each of the sampling logs including a sampling time and status information used for specifying a function being executed from among the plurality of functions;
• converting the sampling time of each of the plurality of sampling logs into a time difference from the start time immediately preceding the sampling time, among the plurality of start times;
• classifying the plurality of sampling logs into a plurality of time difference segments based on the time difference, and counting, for each of the time difference segments, a number of times execution of each of the plurality of functions is detected, based on the status information of the sampling log belonging to said each time difference segment;
• and
• displaying time-series information indicating a corresponding relationship between the plurality of time difference segments that are arranged in order of time difference and the functions that are executed, based on the counted number of times.