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/*
htop - aix/Platform.c
(C) 2014 Hisham H. Muhammad
(C) 2015 David C. Hunt
(C) 2018 Calvin Buckley
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "Platform.h"
#include "CPUMeter.h"
#include "MemoryMeter.h"
#include "SwapMeter.h"
#include "TasksMeter.h"
#include "LoadAverageMeter.h"
#include "ClockMeter.h"
#include "HostnameMeter.h"
#include "UptimeMeter.h"
#include "AixProcessList.h"
#include <signal.h>
#include <sys/proc.h>
#include <string.h>
#include <math.h>
#include <procinfo.h>
#ifndef __PASE__
#include <libperfstat.h>
#endif
/*{
#define _LARGE_FILE_API
#include "Action.h"
#include "BatteryMeter.h"
#include "SignalsPanel.h"
#include "AixProcess.h"
// Used for the load average.
#include <sys/kinfo.h>
// AIX doesn't define this function for userland headers, but it's in libc
extern int getkerninfo(int, char*, int*, int32long64_t);
}*/
#ifndef CLAMP
#define CLAMP(x,low,high) (((x)>(high))?(high):(((x)<(low))?(low):(x)))
#endif
const SignalItem Platform_signals[] = {
{ .name = "Cancel", .number = 0 },
#define SIG(NAME) { .name = #NAME, .number = SIG##NAME }
SIG(HUP),
SIG(INT),
SIG(QUIT),
SIG(ILL),
SIG(TRAP),
SIG(ABRT),
SIG(IOT),
SIG(EMT),
SIG(FPE),
SIG(KILL),
SIG(BUS),
SIG(SEGV),
SIG(SYS),
SIG(PIPE),
SIG(ALRM),
SIG(TERM),
SIG(STOP),
SIG(TSTP),
SIG(CONT),
SIG(CHLD),
SIG(TTIN),
SIG(TTOU),
SIG(IO),
SIG(XCPU),
SIG(XFSZ),
SIG(MSG),
SIG(WINCH),
SIG(USR1),
SIG(USR2),
SIG(PROF),
SIG(DANGER),
SIG(VTALRM),
SIG(MIGRATE),
SIG(PRE),
SIG(VIRT),
SIG(TALRM),
// AIX requests not use SIGWAITING/39
// don't know about the hole here
SIG(SYSERROR),
SIG(RECOVERY),
// Real-time signals 50-57
//SIG(RECONFIG),
// AIX also requests us to not use SIGCPUFAIL/59
//SIG(KAP),
//SIG(RETRACT),
//SIG(SOUND),
//SIG(SAK),
#undef SIG
};
const unsigned int Platform_numberOfSignals = sizeof(Platform_signals)/sizeof(SignalItem);
ProcessField Platform_defaultFields[] = { HTOP_PID_FIELD, HTOP_EFFECTIVE_USER_FIELD, HTOP_PRIORITY_FIELD, HTOP_NICE_FIELD, HTOP_M_SIZE_FIELD, HTOP_M_RESIDENT_FIELD, HTOP_STATE_FIELD, HTOP_PERCENT_CPU_FIELD, HTOP_PERCENT_MEM_FIELD, HTOP_TIME_FIELD, HTOP_COMM_FIELD, 0 };
extern ProcessFieldData Process_fields[];
MeterClass* Platform_meterTypes[] = {
&CPUMeter_class,
&ClockMeter_class,
&LoadAverageMeter_class,
&LoadMeter_class,
&MemoryMeter_class,
&SwapMeter_class,
&TasksMeter_class,
&BatteryMeter_class,
&HostnameMeter_class,
&UptimeMeter_class,
&AllCPUsMeter_class,
&AllCPUs2Meter_class,
&LeftCPUsMeter_class,
&RightCPUsMeter_class,
&LeftCPUs2Meter_class,
&RightCPUs2Meter_class,
&BlankMeter_class,
NULL
};
void Platform_setBindings(Htop_Action* keys) {
(void) keys;
}
int Platform_numberOfFields = 101;
extern char Process_pidFormat[20];
int Platform_getUptime() {
// Fallback to utmpx
return -1;
}
void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
#ifndef __PASE__
unsigned long long int avenrun[3];
int size = sizeof (avenrun);
if (getkerninfo(KINFO_GET_AVENRUN, (char*)avenrun, &size, 0) != -1) {
// apply float scaling factor
*one = (double)avenrun [0] / 65536;
*five = (double)avenrun [1] / 65536;
*fifteen = (double)avenrun [2] / 65536;
}
#else
// IBM i doesn't generate load averages
*one = 0;
*five = 0;
*fifteen = 0;
#endif
}
int Platform_getMaxPid() {
return PIDMAX;
}
double Platform_setCPUValues(Meter* this, int cpu) {
AixProcessList* apl = (AixProcessList*) this->pl;
CPUData* cpuData;
cpuData = &(apl->cpus [cpu]);
double percent;
double* v = this->values;
v[CPU_METER_NICE] = 0.0;
v[CPU_METER_NORMAL] = cpuData->utime_p;
if (this->pl->settings->detailedCPUTime) {
v[CPU_METER_KERNEL] = cpuData->stime_p;
v[CPU_METER_IRQ] = cpuData->wtime_p;
Meter_setItems(this, 4);
percent = v[0]+v[1]+v[2]+v[3];
} else {
v[2] = cpuData->stime_p + cpuData->wtime_p;
Meter_setItems(this, 3);
percent = v[0]+v[1]+v[2];
}
percent = CLAMP(percent, 0.0, 100.0);
if (isnan(percent)) percent = 0.0;
return percent;
}
void Platform_setMemoryValues(Meter *meter) {
ProcessList *pl = meter->pl;
long int usedMem = pl->usedMem;
long int buffersMem = pl->buffersMem;
long int cachedMem = pl->cachedMem;
usedMem -= buffersMem + cachedMem;
meter->total = pl->totalMem;
meter->values[0] = usedMem;
meter->values[1] = buffersMem;
meter->values[2] = cachedMem;
}
void Platform_setSwapValues(Meter *meter) {
// the mem scan code in AixProcessList does the work
ProcessList *pl = meter->pl;
meter->total = pl->totalSwap;
meter->values[0] = pl->usedSwap;
}
static char **get_process_vector(const Process *proc, int (*getv)(void *, int, char *, int)) {
/* we only need to fill in the pid, it seems */
struct procentry64 pe = { .pi_pid = proc->pid };
char *buf = xMalloc(0x10000);
if (getv(&pe, sizeof pe, buf, 0x10000) == -1) {
free(buf);
return NULL;
}
char **v = xMalloc(sizeof(char *));
unsigned int i = 0;
char *p = buf;
while(*p) {
size_t len = strlen(p) + 1;
v[i] = xMalloc(len);
memcpy(v[i], p, len);
v = xRealloc(v, (++i + 1) * sizeof(char *));
p += len;
}
v[i] = NULL;
return v;
}
char **Platform_getProcessArgv(const Process *proc) {
return get_process_vector(proc, getargs);
}
char **Platform_getProcessEnvv(const Process *proc) {
return get_process_vector(proc, getevars);
}
bool Platform_haveSwap() {
#ifdef __PASE__
return false;
#else
return perfstat_pagingspace(NULL, NULL, sizeof(perfstat_pagingspace_t), 0) > 0;
#endif
}