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#!/usr/bin/env stap
global begin_rule
global rules
global rules_phase
# Rules
probe process("/usr/local/lib/libmodsecurity.so.3").function("evaluate@rule.cc*")
{
begin_rule = gettimeofday_us();
}
probe process("/usr/local/lib/libmodsecurity.so.3").function("evaluate@rule.cc*").return
{
elapsed_rule = gettimeofday_us() - begin_rule
rules[$this->m_ruleId] <<< elapsed_rule
rules_phase[$this->m_ruleId] = $this->m_phase
}
# Resume
probe end
{
foreach ([rule] in rules)
{
if (@count(rules[rule])) {
p = rules_phase[rule] - 1;
if (p <= 0) {
p = 1
}
printf("Phase %d;Rule ID: %d %u\n", p, rule, @avg(rules[rule]));
}
}
}
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