/* XXX: check for stale-ness using start_time */
SIGAR_DECLARE(int) sigar_proc_cpu_get(sigar_t *sigar, sigar_pid_t pid,
sigar_proc_cpu_t *proccpu)
{
sigar_cache_entry_t *entry;
sigar_proc_cpu_t *prev;
sigar_uint64_t otime, time_now = sigar_time_now_millis();
sigar_uint64_t time_diff, total_diff;
int status;
if (!sigar->proc_cpu) {
sigar->proc_cpu = sigar_cache_new(128);
}
entry = sigar_cache_get(sigar->proc_cpu, pid);
if (entry->value) {
prev = (sigar_proc_cpu_t *)entry->value;
}
else {
prev = entry->value = malloc(sizeof(*prev));
SIGAR_ZERO(prev);
}
time_diff = time_now - prev->last_time;
proccpu->last_time = prev->last_time = time_now;
if (time_diff == 0) {
/* we were just called within < 1 second ago. */
memcpy(proccpu, prev, sizeof(*proccpu));
return SIGAR_OK;
}
otime = prev->total;
status =
sigar_proc_time_get(sigar, pid,
(sigar_proc_time_t *)proccpu);
if (status != SIGAR_OK) {
return status;
}
memcpy(prev, proccpu, sizeof(*prev));
if (proccpu->total < otime) {
/* XXX this should not happen */
otime = 0;
}
if (otime == 0) {
proccpu->percent = 0.0;
/* first time called */
return SIGAR_OK;
}
total_diff = proccpu->total - otime;
proccpu->percent = total_diff / (double)time_diff;
return SIGAR_OK;
}
ProcList::ProcList()
{
int status;
sigar_t *sigar;
sigar_proc_list_t proclist;
unsigned long i;
sigar_open(&sigar);
status = sigar_proc_list_get(sigar, &proclist);
if (status != SIGAR_OK) {
printf("get proc list error: %d (%s)\n",
status, sigar_strerror(sigar, status));
exit(1);
}
for (i=0; i<proclist.number; i++) {
sigar_pid_t pid = proclist.data[i];
sigar_proc_mem_t proc_mem;
sigar_proc_time_t proc_time;
sigar_proc_state_t proc_state;
status = sigar_proc_mem_get(sigar, pid, &proc_mem);
if (status != SIGAR_OK) {
#ifdef DEBUG
printf("error: %d (%s) proc_mem(%d)\n",
status, sigar_strerror(sigar, status), pid);
#endif
continue;
}
status = sigar_proc_state_get(sigar, pid, &proc_state);
if (status != SIGAR_OK) {
#ifdef DEBUG
printf("error: %d (%s) proc_state(%d)\n",
status, sigar_strerror(sigar, status), pid);
#endif
continue;
}
status = sigar_proc_time_get(sigar, pid, &proc_time);
if (status != SIGAR_OK) {
#ifdef DEBUG
printf("error: %d (%s) proc_time(%d)\n",
status, sigar_strerror(sigar, status), pid);
#endif
continue;
}
// printf("%d %s\n", (long)pid, pstate.name);
//qDebug() << "name " << pstate.name << " processor " << pstate.processor;
//qDebug() << lpid.setNum((long)pid);
// datas << QString("PID : %1 , %2").arg(lpid.setNum((long)pid), pstate.name);
Process proc;
//proc = new(Process);
proc.pid.setNum((long)pid);
proc.state_name = proc_state.name;
proc.state_state = proc_state.state;
proc.state_ppid.setNum(proc_state.ppid);
//proc.state_tty = proc_state.tty;
proc.state_priority.setNum(proc_state.priority);
proc.state_nice.setNum(proc_state.nice);
proc.state_processor.setNum(proc_state.processor);
proc.state_threads.setNum(proc_state.threads);
proc.mem_size.setNum(proc_mem.size);
proc.mem_resident.setNum(proc_mem.resident);
proc.mem_share.setNum(proc_mem.share);
proc.mem_minor_faults.setNum(proc_mem.minor_faults);
proc.mem_major_faults.setNum(proc_mem.major_faults);
proc.mem_page_faults.setNum(proc_mem.page_faults);
proc.time_start_time.setNum(proc_time.start_time);
qDebug() << "proc_state.name : " << proc_state.name << " : proc_time.start_time : " << proc_time.start_time;
proc.time_user.setNum(proc_time.user);
proc.time_sys.setNum(proc_time.sys);
proc.time_total.setNum(proc_time.total);
stack.push(proc);
//delete(proc);
}
/* TEST OK
while (!stack.isEmpty())
{
qDebug() << "stack length : " << stack.count();
ok = .pop();
qDebug() << "name : " << ok->state_name << " " << " pid : " << ok->pid;
delete(ok);
}
*/
sigar_proc_list_destroy(sigar, &proclist);
sigar_close(sigar);
}
//-------------------------------------------------------------------------------------
uint64 SystemInfo::getMemUsedByPID(uint32 pid)
{
if(pid == 0)
{
pid = (uint32)getProcessPID();
}
int status;
sigar_uint64_t total = 0;
bool tryed = false;
_TRYGET:
if(!hasPID(pid, &_g_proclist))
{
DEBUG_MSG(fmt::format("SystemInfo::getMemUsedByPID: error: not found pid({})\n", pid));
if(!tryed)
{
clear();
tryed = true;
if(_autocreate())
goto _TRYGET;
}
return 0;
}
//for (i=0; i<(int)proclist.number; i++)
{
sigar_proc_state_t pstate;
sigar_proc_time_t ptime;
status = sigar_proc_state_get(_g_sigarproclist, pid, &pstate);
if (status != SIGAR_OK)
{
DEBUG_MSG(fmt::format("error: {} ({}) proc_state({})\n",
status, sigar_strerror(_g_sigarproclist, status), pid));
goto _END;
}
status = sigar_proc_time_get(_g_sigarproclist, pid, &ptime);
if (status != SIGAR_OK)
{
DEBUG_MSG(fmt::format("error: {} ({}) proc_time({})\n",
status, sigar_strerror(_g_sigarproclist, status), pid));
goto _END;
}
sigar_proc_mem_t proc_mem;
status = sigar_proc_mem_get(_g_sigarproclist, pid, &proc_mem);
if (status != SIGAR_OK)
{
DEBUG_MSG(fmt::format("error: {} ({}) sigar_proc_mem_get({})\n",
status, sigar_strerror(_g_sigarproclist, status), pid));
goto _END;
}
total = proc_mem.resident;
}
_END:
return total;
}
