Chapter 4 - DSpace at Waseda University

Chapter 4
Table 4.1: Important parameters in KAS
Parameter Description
char *event_name; variable of logging event`s name
double event_time; variable of processing time of each event
char *event_description;
Information on each event
(PID, syscall_id, CPU_id, etc.)
Figure 4.11 shows how parameters explained in Table 4.1 matched with actual event
information value.
Figure 4.11: parameter and event log
Table 4.2 show three most important functions. As mentioned above, KAS is largely divided
in to three layers. The problem_detection() function is the main function in DL and the
Table 4.2: Important functions in KAS
Function Description
void problem_detection(); Function to find occurred problem.
void separation_data();
Function that separated event log from the whole event
log.
void problem_analysis(); Function that analyze event logs by using result of SL.
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