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Update collectors.cpp added the calloc for dynmaic memory allocation … #34

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Update collectors.cpp added the calloc for dynmaic memory allocation … #34

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8 changes: 5 additions & 3 deletions collectors.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ std::string generate_static_labels() {
return output_str;
}

void output_cpus_stat_mode(std::ostream& response, const std::string& static_labels, const std::string& name, const std::string& type, const std::string& help, perfstat_cpu_t cpus[], size_t cpu_count, const std::function<u_longlong_t (perfstat_cpu_t&)>& func) {
void output_cpus_stat_mode(std::ostream& response, const std::string& static_labels, const std::string& name, const std::string& type, const std::string& help, perfstat_cpu_t *cpus, size_t cpu_count, const std::function<u_longlong_t (perfstat_cpu_t&)>& func) {
response << "# HELP " << name << " " << help << std::endl;
response << "# TYPE " << name << " counter" << std::endl;

Expand All @@ -60,9 +60,10 @@ void output_cpus_stat(std::ostream& response, const std::string& static_labels,
}

void gather_cpus_compat(std::ostream& response, const std::string& static_labels) {
perfstat_cpu_t *cpus;
int cpu_count = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0);

perfstat_cpu_t cpus[cpu_count];
cpus = (perfstat_cpu_t*)calloc(cpu_count, sizeof(perfstat_cpu_t));
//perfstat_cpu_t cpus[cpu_count];
perfstat_id_t firstcpu;

strcpy(firstcpu.name, FIRST_CPU);
Expand All @@ -76,6 +77,7 @@ void gather_cpus_compat(std::ostream& response, const std::string& static_labels
output_cpus_stat_mode(response, static_labels, "node_cpu", "idle", "Seconds the cpus spent in each mode.", cpus, cpu_count, [](perfstat_cpu_t& cpu) { return (u_longlong_t)cpu.idle/100; });
output_cpus_stat_mode(response, static_labels, "node_cpu", "sys", "Seconds the cpus spent in each mode.", cpus, cpu_count, [](perfstat_cpu_t& cpu) { return (u_longlong_t)cpu.sys/100; });
output_cpus_stat_mode(response, static_labels, "node_cpu", "wait", "Seconds the cpus spent in each mode.", cpus, cpu_count, [](perfstat_cpu_t& cpu) { return (u_longlong_t)cpu.wait/100; });
free(cpus);
}


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