/******************************************************************************
* *
* Function: collector_thread *
* *
* Purpose: Collect system information *
* *
* Author: Eugene Grigorjev *
* *
******************************************************************************/
ZBX_THREAD_ENTRY(collector_thread, args)
{
assert(args);
zabbix_log(LOG_LEVEL_WARNING, "agent #%d started [collector]", ((zbx_thread_args_t *)args)->thread_num);
zbx_free(args);
if (SUCCEED != init_cpu_collector(&(collector->cpus)))
free_cpu_collector(&(collector->cpus));
while (ZBX_IS_RUNNING())
{
zbx_setproctitle("collector [processing data]");
#ifdef _WINDOWS
collect_perfstat();
#else
if (0 != CPU_COLLECTOR_STARTED(collector))
collect_cpustat(&(collector->cpus));
if (0 != DISKDEVICE_COLLECTOR_STARTED(collector))
collect_stats_diskdevices();
#endif
#ifdef _AIX
if (1 == collector->vmstat.enabled)
collect_vmstat_data(&collector->vmstat);
#endif
zbx_setproctitle("collector [sleeping for 1 seconds]");
zbx_sleep(1);
}
if (CPU_COLLECTOR_STARTED(collector))
free_cpu_collector(&(collector->cpus));
#ifdef _WINDOWS
free_perf_collector(); /* cpu_collector must be freed before perf_collector is freed */
#endif
zabbix_log(LOG_LEVEL_INFORMATION, "zabbix_agentd collector stopped");
ZBX_DO_EXIT();
zbx_thread_exit(0);
}
int SYSTEM_CPU_UTIL(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
char tmp[32];
int cpu_num;
if (!CPU_COLLECTOR_STARTED(collector))
{
SET_MSG_RESULT(result, strdup("Collector is not started!"));
return SYSINFO_RET_OK;
}
if (num_param(param) > 3)
return SYSINFO_RET_FAIL;
if (0 != get_param(param, 1, tmp, sizeof(tmp)))
*tmp = '\0';
if ('\0' == *tmp || 0 == strcmp(tmp, "all")) /* default parameter */
cpu_num = 0;
else
{
cpu_num = atoi(tmp) + 1;
if (cpu_num < 1 || cpu_num > collector->cpus.count)
return SYSINFO_RET_FAIL;
}
if (0 != get_param(param, 2, tmp, sizeof(tmp)))
*tmp = '\0';
/* only 'system' parameter supported */
if ('\0' != *tmp && 0 != strcmp(tmp, "system")) /* default parameter */
return SYSINFO_RET_FAIL;
if (0 != get_param(param, 3, tmp, sizeof(tmp)))
*tmp = '\0';
if ('\0' == *tmp || 0 == strcmp(tmp, "avg1")) /* default parameter */
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].util1);
else if (0 == strcmp(tmp, "avg5"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].util5);
else if (0 == strcmp(tmp, "avg15"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].util15);
else
return SYSINFO_RET_FAIL;
return SYSINFO_RET_OK;
}
int SYSTEM_CPU_UTIL(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
char cpuname[MAX_STRING_LEN];
char type[MAX_STRING_LEN];
char mode[MAX_STRING_LEN];
int cpu_num = 0;
assert(result);
init_result(result);
if(num_param(param) > 3)
{
return SYSINFO_RET_FAIL;
}
if(get_param(param, 1, cpuname, sizeof(cpuname)) != 0)
{
cpuname[0] = '\0';
}
if(cpuname[0] == '\0')
{
/* default parameter */
zbx_snprintf(cpuname, sizeof(cpuname), "all");
}
if(get_param(param, 2, type, sizeof(type)) != 0)
{
type[0] = '\0';
}
if(type[0] == '\0')
{
/* default parameter */
zbx_snprintf(type, sizeof(type), "user");
}
if(get_param(param, 3, mode, sizeof(mode)) != 0)
{
mode[0] = '\0';
}
if(mode[0] == '\0')
{
/* default parameter */
zbx_snprintf(mode, sizeof(mode), "avg1");
}
if ( !CPU_COLLECTOR_STARTED(collector) )
{
SET_MSG_RESULT(result, strdup("Collector is not started!"));
return SYSINFO_RET_OK;
}
if(strcmp(cpuname,"all") == 0)
{
cpu_num = 0;
}
else
{
cpu_num = atoi(cpuname)+1;
if ((cpu_num < 1) || (cpu_num > collector->cpus.count))
return SYSINFO_RET_FAIL;
}
if( 0 == strcmp(type,"idle"))
{
if( 0 == strcmp(mode,"avg1")) SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].idle1)
else if( 0 == strcmp(mode,"avg5")) SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].idle5)
else if( 0 == strcmp(mode,"avg15")) SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].idle15)
else return SYSINFO_RET_FAIL;
}
else if( 0 == strcmp(type,"nice"))
int SYSTEM_CPU_LOAD(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
char cpuname[10],
mode[10];
if(num_param(param) > 2)
{
return SYSINFO_RET_FAIL;
}
if(get_param(param, 1, cpuname, sizeof(cpuname)) != 0)
{
cpuname[0] = '\0';
}
if(cpuname[0] == '\0')
{
/* default parameter */
zbx_snprintf(cpuname, sizeof(cpuname), "all");
}
if(get_param(param, 2, mode, sizeof(mode)) != 0)
{
mode[0] = '\0';
}
if(mode[0] == '\0')
{
/* default parameter */
zbx_snprintf(mode, sizeof(mode), "avg1");
}
if(strcmp(cpuname,"all") != 0)
{
return SYSINFO_RET_FAIL;
}
if ( !CPU_COLLECTOR_STARTED(collector) )
{
SET_MSG_RESULT(result, strdup("Collector is not started!"));
return SYSINFO_RET_OK;
}
if(strcmp(mode,"avg1") == 0)
{
SET_DBL_RESULT(result, collector->cpus.load1);
}
else if(strcmp(mode,"avg5") == 0)
{
SET_DBL_RESULT(result, collector->cpus.load5);
}
else if(strcmp(mode,"avg15") == 0)
{
SET_DBL_RESULT(result, collector->cpus.load15);
}
else
{
return SYSINFO_RET_FAIL;
}
return SYSINFO_RET_OK;
}
int get_cpustat(AGENT_RESULT *result, int cpu_num, int state, int mode)
{
int i, time, idx_curr, idx_base;
zbx_uint64_t counter, total = 0;
ZBX_SINGLE_CPU_STAT_DATA *cpu;
if (0 > state || state >= ZBX_CPU_STATE_COUNT)
return SYSINFO_RET_FAIL;
switch (mode)
{
case ZBX_AVG1:
time = SEC_PER_MIN;
break;
case ZBX_AVG5:
time = 5 * SEC_PER_MIN;
break;
case ZBX_AVG15:
time = 15 * SEC_PER_MIN;
break;
default:
return SYSINFO_RET_FAIL;
}
if (!CPU_COLLECTOR_STARTED(collector))
{
SET_MSG_RESULT(result, strdup("Collector is not started!"));
return SYSINFO_RET_FAIL;
}
if (NULL == (cpu = get_cpustat_by_num(&collector->cpus, cpu_num)))
return SYSINFO_RET_FAIL;
if (0 == cpu->h_count)
{
SET_DBL_RESULT(result, 0);
return SYSINFO_RET_OK;
}
LOCK_CPUSTATS;
if (MAX_COLLECTOR_HISTORY <= (idx_curr = (cpu->h_first + cpu->h_count - 1)))
idx_curr -= MAX_COLLECTOR_HISTORY;
if (SYSINFO_RET_FAIL == cpu->h_status[idx_curr])
{
UNLOCK_CPUSTATS;
return SYSINFO_RET_FAIL;
}
if (1 == cpu->h_count)
{
for (i = 0; i < ZBX_CPU_STATE_COUNT; i++)
total += cpu->h_counter[i][idx_curr];
counter = cpu->h_counter[state][idx_curr];
}
else
{
if (0 > (idx_base = idx_curr - MIN(cpu->h_count - 1, time)))
idx_base += MAX_COLLECTOR_HISTORY;
while (SYSINFO_RET_OK != cpu->h_status[idx_base])
if (MAX_COLLECTOR_HISTORY == ++idx_base)
idx_base -= MAX_COLLECTOR_HISTORY;
for (i = 0; i < ZBX_CPU_STATE_COUNT; i++)
total += cpu->h_counter[i][idx_curr] - cpu->h_counter[i][idx_base];
counter = cpu->h_counter[state][idx_curr] - cpu->h_counter[state][idx_base];
}
UNLOCK_CPUSTATS;
SET_DBL_RESULT(result, 0 == total ? 0 : 100. * (double)counter / (double)total);
return SYSINFO_RET_OK;
}
int SYSTEM_CPU_UTIL(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char *tmp, *error = NULL;
int cpu_num, ret = FAIL;
double value;
if (0 == CPU_COLLECTOR_STARTED(collector))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Collector is not started."));
return SYSINFO_RET_FAIL;
}
if (3 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
if (NULL == (tmp = get_rparam(request, 0)) || '\0' == *tmp || 0 == strcmp(tmp, "all"))
cpu_num = 0;
else if (SUCCEED != is_uint_range(tmp, &cpu_num, 0, collector->cpus.count - 1))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid first parameter."));
return SYSINFO_RET_FAIL;
}
else
cpu_num++;
/* only "system" (default) for parameter "type" is supported */
if (NULL != (tmp = get_rparam(request, 1)) && '\0' != *tmp && 0 != strcmp(tmp, "system"))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid second parameter."));
return SYSINFO_RET_FAIL;
}
if (NULL == (tmp = get_rparam(request, 2)) || '\0' == *tmp || 0 == strcmp(tmp, "avg1"))
{
ret = get_perf_counter_value(collector->cpus.cpu_counter[cpu_num], 1 * SEC_PER_MIN, &value, &error);
}
else if (0 == strcmp(tmp, "avg5"))
{
ret = get_perf_counter_value(collector->cpus.cpu_counter[cpu_num], 5 * SEC_PER_MIN, &value, &error);
}
else if (0 == strcmp(tmp, "avg15"))
{
ret = get_perf_counter_value(collector->cpus.cpu_counter[cpu_num], 15 * SEC_PER_MIN, &value, &error);
}
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid third parameter."));
return SYSINFO_RET_FAIL;
}
if (SUCCEED == ret)
{
SET_DBL_RESULT(result, value);
return SYSINFO_RET_OK;
}
SET_MSG_RESULT(result, NULL != error ? error :
zbx_strdup(NULL, "Cannot obtain performance information from collector."));
return SYSINFO_RET_FAIL;
}
int SYSTEM_CPU_LOAD(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char *tmp, *error = NULL;
double value;
int cpu_num, ret = FAIL;
if (0 == CPU_COLLECTOR_STARTED(collector))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Collector is not started."));
return SYSINFO_RET_FAIL;
}
if (2 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
if (NULL == (tmp = get_rparam(request, 0)) || '\0' == *tmp || 0 == strcmp(tmp, "all"))
{
cpu_num = 1;
}
else if (0 == strcmp(tmp, "percpu"))
{
if (0 >= (cpu_num = get_cpu_num()))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain number of CPUs."));
return SYSINFO_RET_FAIL;
}
}
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid first parameter."));
return SYSINFO_RET_FAIL;
}
if (NULL == (tmp = get_rparam(request, 1)) || '\0' == *tmp || 0 == strcmp(tmp, "avg1"))
{
ret = get_perf_counter_value(collector->cpus.queue_counter, 1 * SEC_PER_MIN, &value, &error);
}
else if (0 == strcmp(tmp, "avg5"))
{
ret = get_perf_counter_value(collector->cpus.queue_counter, 5 * SEC_PER_MIN, &value, &error);
}
else if (0 == strcmp(tmp, "avg15"))
{
ret = get_perf_counter_value(collector->cpus.queue_counter, 15 * SEC_PER_MIN, &value, &error);
}
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid second parameter."));
return SYSINFO_RET_FAIL;
}
if (SUCCEED == ret)
{
SET_DBL_RESULT(result, value / cpu_num);
return SYSINFO_RET_OK;
}
SET_MSG_RESULT(result, NULL != error ? error :
zbx_strdup(NULL, "Cannot obtain performance information from collector."));
return SYSINFO_RET_FAIL;
}
int SYSTEM_CPU_UTIL(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
char tmp[32], type[32];
int cpu_num, mode;
assert(result);
init_result(result);
if (!CPU_COLLECTOR_STARTED(collector))
{
SET_MSG_RESULT(result, strdup("Collector is not started!"));
return SYSINFO_RET_OK;
}
if (num_param(param) > 3)
return SYSINFO_RET_FAIL;
if (0 != get_param(param, 1, tmp, sizeof(tmp)))
*tmp = '\0';
if ('\0' == *tmp || 0 == strcmp(tmp, "all")) /* default parameter */
cpu_num = 0;
else
{
cpu_num = atoi(tmp);
if (cpu_num < 1 || cpu_num > collector->cpus.count)
return SYSINFO_RET_FAIL;
}
if (0 != get_param(param, 2, type, sizeof(type)))
*type = '\0';
if (0 != get_param(param, 3, tmp, sizeof(tmp)))
*tmp = '\0';
if ('\0' == *tmp || 0 == strcmp(tmp, "avg1")) /* default parameter */
mode = ZBX_AVG1;
else if (0 == strcmp(tmp, "avg5"))
mode = ZBX_AVG5;
else if (0 == strcmp(tmp, "avg15"))
mode = ZBX_AVG15;
else
return SYSINFO_RET_FAIL;
if ('\0' == *type || 0 == strcmp(type, "user")) /* default parameter */
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].user[mode])
else if (0 == strcmp(type, "nice"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].nice[mode])
else if (0 == strcmp(type, "system"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].system[mode])
else if (0 == strcmp(type, "idle"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].idle[mode])
else if (0 == strcmp(type, "iowait"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].iowait[mode])
else if (0 == strcmp(type, "interrupt"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].interrupt[mode])
else if (0 == strcmp(type, "softirq"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].softirq[mode])
else if (0 == strcmp(type, "steal"))
SET_DBL_RESULT(result, collector->cpus.cpu[cpu_num].steal[mode])
else
return SYSINFO_RET_FAIL;
return SYSINFO_RET_OK;
}