Edit File: measureinterval.stp
#!/usr/bin/stap # General interval measurement / monitor. Gives a report of event interval measurement on a # per-process or systemwide basis. # # Invoke with a list of probe point patterns as script command-line arguments: # stap measureinterval.stp 'measurement' 'match' 'accumulation' 'start_event(s)' 'end_event(s)' # global interval%, acc% probe $4 { measure = $1 if ($2 in interval) { acc[%($# >= 6 %? $6 %: 0 %)] <<< measure - interval[$2] } interval[$2] = measure; } # optional end of pipeline probe probe %($# >= 5 %? $5 %: never %) { measure = $1 if ($2 in interval) { acc[%($# >= 6 %? $6 %: 0 %)] <<< measure - interval[$2] delete interval[$2] } } function report() { print("\n"); foreach(i+ in acc){ printdln("=", "id", i) println($3(acc[i])) } } probe end {report()}