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#include "test.h"
#include "generic_agent.h"
#include "mon.h"
static double GetCpuStat()
{
double q, dq = -1.0;
long total_time = 1;
FILE *fp;
long userticks = 0, niceticks = 0, systemticks = 0,
idle = 0, iowait = 0, irq = 0, softirq = 0;
char cpuname[CF_MAXVARSIZE], buf[CF_BUFSIZE];
if ((fp = fopen("/proc/stat", "r")) == NULL)
{
return -1.0;
}
while (!feof(fp))
{
if (fgets(buf, sizeof(buf), fp) == NULL)
{
break;
}
if (sscanf(buf, "%s%ld%ld%ld%ld%ld%ld%ld", cpuname, &userticks,
&niceticks, &systemticks, &idle, &iowait, &irq,
&softirq) != 8)
{
continue;
}
total_time = (userticks + niceticks + systemticks + idle);
q = 100.0 * (double) (total_time - idle);
if (strcmp(cpuname, "cpu") == 0)
{
dq = q / (double) total_time;
if ((dq > 100) || (dq < 0))
{
dq = 50;
}
}
}
fclose(fp);
return dq;
}
void test_cpu_monitor(void)
{
double cf_this[100];
double dq1 = GetCpuStat();
if (dq1 == -1.0)
{
assert_true(1);
return;
}
MonCPUGatherData(cf_this);
double dq2 = GetCpuStat();
if (dq2 == -1.0)
{
assert_true(1);
return;
}
double min = (double) (dq2<dq1?dq2:dq1);
double max = (double) (dq2<dq1?dq1:dq2);
double lower = (min - (fabs(dq2 - dq1)) * 0.90);
double upper = (max + (fabs(dq2 - dq1)) * 1.10);
assert_true(cf_this[ob_cpuall]>=lower && cf_this[ob_cpuall]<=upper);
}
int main()
{
PRINT_TEST_BANNER();
const UnitTest tests[] =
{
unit_test(test_cpu_monitor),
};
return run_tests(tests);
}
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