mirror of https://github.com/xzeldon/htop.git
293 lines
7.9 KiB
C
293 lines
7.9 KiB
C
/*
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htop - openbsd/Platform.c
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(C) 2014 Hisham H. Muhammad
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(C) 2015 Michael McConville
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Released under the GNU GPL, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "Platform.h"
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#include "Meter.h"
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#include "CPUMeter.h"
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#include "MemoryMeter.h"
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#include "SwapMeter.h"
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#include "TasksMeter.h"
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#include "LoadAverageMeter.h"
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#include "UptimeMeter.h"
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#include "ClockMeter.h"
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#include "HostnameMeter.h"
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#include "SignalsPanel.h"
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#include "OpenBSDProcess.h"
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#include "OpenBSDProcessList.h"
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#include <sys/sched.h>
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#include <uvm/uvmexp.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/swap.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <time.h>
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#include <fcntl.h>
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#include <kvm.h>
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#include <limits.h>
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#include <math.h>
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/*{
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#include "Action.h"
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#include "BatteryMeter.h"
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#include "SignalsPanel.h"
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extern ProcessFieldData Process_fields[];
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}*/
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ProcessField Platform_defaultFields[] = { PID, USER, PRIORITY, NICE, M_SIZE, M_RESIDENT, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 };
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int Platform_numberOfFields = LAST_PROCESSFIELD;
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/*
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* See /usr/include/sys/signal.h
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*/
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const SignalItem Platform_signals[] = {
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{ .name = " 0 Cancel", .number = 0 },
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{ .name = " 1 SIGHUP", .number = 1 },
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{ .name = " 2 SIGINT", .number = 2 },
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{ .name = " 3 SIGQUIT", .number = 3 },
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{ .name = " 4 SIGILL", .number = 4 },
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{ .name = " 5 SIGTRAP", .number = 5 },
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{ .name = " 6 SIGABRT", .number = 6 },
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{ .name = " 6 SIGIOT", .number = 6 },
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{ .name = " 7 SIGEMT", .number = 7 },
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{ .name = " 8 SIGFPE", .number = 8 },
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{ .name = " 9 SIGKILL", .number = 9 },
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{ .name = "10 SIGBUS", .number = 10 },
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{ .name = "11 SIGSEGV", .number = 11 },
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{ .name = "12 SIGSYS", .number = 12 },
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{ .name = "13 SIGPIPE", .number = 13 },
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{ .name = "14 SIGALRM", .number = 14 },
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{ .name = "15 SIGTERM", .number = 15 },
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{ .name = "16 SIGURG", .number = 16 },
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{ .name = "17 SIGSTOP", .number = 17 },
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{ .name = "18 SIGTSTP", .number = 18 },
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{ .name = "19 SIGCONT", .number = 19 },
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{ .name = "20 SIGCHLD", .number = 20 },
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{ .name = "21 SIGTTIN", .number = 21 },
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{ .name = "22 SIGTTOU", .number = 22 },
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{ .name = "23 SIGIO", .number = 23 },
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{ .name = "24 SIGXCPU", .number = 24 },
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{ .name = "25 SIGXFSZ", .number = 25 },
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{ .name = "26 SIGVTALRM", .number = 26 },
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{ .name = "27 SIGPROF", .number = 27 },
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{ .name = "28 SIGWINCH", .number = 28 },
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{ .name = "29 SIGINFO", .number = 29 },
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{ .name = "30 SIGUSR1", .number = 30 },
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{ .name = "31 SIGUSR2", .number = 31 },
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{ .name = "32 SIGTHR", .number = 32 },
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};
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const unsigned int Platform_numberOfSignals = sizeof(Platform_signals)/sizeof(SignalItem);
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void Platform_setBindings(Htop_Action* keys) {
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(void) keys;
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}
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MeterClass* Platform_meterTypes[] = {
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&CPUMeter_class,
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&ClockMeter_class,
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&LoadAverageMeter_class,
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&LoadMeter_class,
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&MemoryMeter_class,
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&SwapMeter_class,
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&TasksMeter_class,
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&UptimeMeter_class,
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&BatteryMeter_class,
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&HostnameMeter_class,
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&AllCPUsMeter_class,
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&AllCPUs2Meter_class,
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&LeftCPUsMeter_class,
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&RightCPUsMeter_class,
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&LeftCPUs2Meter_class,
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&RightCPUs2Meter_class,
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&BlankMeter_class,
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NULL
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};
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// preserved from FreeBSD port
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int Platform_getUptime() {
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struct timeval bootTime, currTime;
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int mib[2] = { CTL_KERN, KERN_BOOTTIME };
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size_t size = sizeof(bootTime);
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int err = sysctl(mib, 2, &bootTime, &size, NULL, 0);
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if (err) {
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return -1;
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}
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gettimeofday(&currTime, NULL);
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return (int) difftime(currTime.tv_sec, bootTime.tv_sec);
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}
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void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
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struct loadavg loadAverage;
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int mib[2] = { CTL_VM, VM_LOADAVG };
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size_t size = sizeof(loadAverage);
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int err = sysctl(mib, 2, &loadAverage, &size, NULL, 0);
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if (err) {
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*one = 0;
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*five = 0;
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*fifteen = 0;
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return;
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}
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*one = (double) loadAverage.ldavg[0] / loadAverage.fscale;
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*five = (double) loadAverage.ldavg[1] / loadAverage.fscale;
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*fifteen = (double) loadAverage.ldavg[2] / loadAverage.fscale;
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}
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int Platform_getMaxPid() {
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// this is hard-coded in sys/sys/proc.h - no sysctl exists
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return 32766; // XXX Seems changed to 99999, what about using PID_MAX?
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}
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double Platform_setCPUValues(Meter* this, int cpu) {
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const OpenBSDProcessList* pl = (OpenBSDProcessList*) this->pl;
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const CPUData* cpuData = &(pl->cpus[cpu]);
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double total = cpuData->totalPeriod == 0 ? 1 : cpuData->totalPeriod;
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double totalPercent;
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double *v = this->values;
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v[CPU_METER_NICE] = cpuData->nicePeriod / total * 100.0;
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v[CPU_METER_NORMAL] = cpuData->userPeriod / total * 100.0;
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if (this->pl->settings->detailedCPUTime) {
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v[CPU_METER_KERNEL] = cpuData->sysPeriod / total * 100.0;
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v[CPU_METER_IRQ] = cpuData->intrPeriod / total * 100.0;
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v[CPU_METER_SOFTIRQ] = 0.0;
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v[CPU_METER_STEAL] = 0.0;
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v[CPU_METER_GUEST] = 0.0;
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v[CPU_METER_IOWAIT] = 0.0;
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Meter_setItems(this, 8);
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totalPercent = v[0]+v[1]+v[2]+v[3];
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} else {
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v[2] = cpuData->sysAllPeriod / total * 100.0;
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v[3] = 0.0; // No steal nor guest on OpenBSD
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totalPercent = v[0]+v[1]+v[2];
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Meter_setItems(this, 4);
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}
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totalPercent = CLAMP(totalPercent, 0.0, 100.0);
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if (isnan(totalPercent)) totalPercent = 0.0;
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return totalPercent;
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}
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void Platform_setMemoryValues(Meter* this) {
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ProcessList* pl = (ProcessList*) this->pl;
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long int usedMem = pl->usedMem;
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long int buffersMem = pl->buffersMem;
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long int cachedMem = pl->cachedMem;
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usedMem -= buffersMem + cachedMem;
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this->total = pl->totalMem;
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this->values[0] = usedMem;
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this->values[1] = buffersMem;
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this->values[2] = cachedMem;
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}
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/*
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* Copyright (c) 1994 Thorsten Lockert <tholo@sigmasoft.com>
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* All rights reserved.
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*
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* Taken almost directly from OpenBSD's top(1)
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*/
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void Platform_setSwapValues(Meter* this) {
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ProcessList* pl = (ProcessList*) this->pl;
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struct swapent *swdev;
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unsigned long long int total, used;
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int nswap, rnswap, i;
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nswap = swapctl(SWAP_NSWAP, 0, 0);
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if (nswap == 0) {
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return;
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}
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swdev = xCalloc(nswap, sizeof(*swdev));
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rnswap = swapctl(SWAP_STATS, swdev, nswap);
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if (rnswap == -1) {
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free(swdev);
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return;
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}
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// if rnswap != nswap, then what?
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/* Total things up */
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total = used = 0;
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for (i = 0; i < nswap; i++) {
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if (swdev[i].se_flags & SWF_ENABLE) {
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used += (swdev[i].se_inuse / (1024 / DEV_BSIZE));
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total += (swdev[i].se_nblks / (1024 / DEV_BSIZE));
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}
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}
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this->total = pl->totalSwap = total;
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this->values[0] = pl->usedSwap = used;
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free(swdev);
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}
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void Platform_setTasksValues(Meter* this) {
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// TODO
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}
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char* Platform_getProcessEnv(pid_t pid) {
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char errbuf[_POSIX2_LINE_MAX];
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char *env;
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char **ptr;
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int count;
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kvm_t *kt;
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struct kinfo_proc *kproc;
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size_t capacity = 4096, size = 0;
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if ((kt = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf)) == NULL)
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return NULL;
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if ((kproc = kvm_getprocs(kt, KERN_PROC_PID, pid,
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sizeof(struct kinfo_proc), &count)) == NULL) {\
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(void) kvm_close(kt);
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return NULL;
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}
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if ((ptr = kvm_getenvv(kt, kproc, 0)) == NULL) {
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(void) kvm_close(kt);
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return NULL;
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}
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env = xMalloc(capacity);
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for (char **p = ptr; *p; p++) {
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size_t len = strlen(*p) + 1;
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if (size + len > capacity) {
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capacity *= 2;
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env = xRealloc(env, capacity);
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}
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strlcpy(env + size, *p, len);
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size += len;
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}
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if (size < 2 || env[size - 1] || env[size - 2]) {
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if (size + 2 < capacity)
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env = xRealloc(env, capacity + 2);
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env[size] = 0;
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env[size+1] = 0;
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}
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(void) kvm_close(kt);
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return env;
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}
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