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htop - darwin/Platform.c

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 "DarwinProcessList.h"

#include <stdlib.h>

/*{

#include "Action.h"

#include "SignalsPanel.h"

#include "CPUMeter.h"

#include "BatteryMeter.h"

#include "DarwinProcess.h"

typedef enum DarwinProcessFields {

LAST_PROCESSFIELD = 100,

} DarwinProcessField;

}*/

#ifndef CLAMP

#define CLAMP(x,low,high) (((x)>(high))?(high):(((x)<(low))?(low):(x)))

#endif

ScreenDefaults Platform_defaultScreens[] = {

{

.name = "Main",

.columns = "PID USER PRIORITY NICE M_SIZE M_RESIDENT STATE PERCENT_CPU PERCENT_MEM TIME Command",

.sortKey = "PERCENT_CPU",

};

const unsigned int Platform_numberOfDefaultScreens = sizeof(Platform_defaultScreens)/sizeof(ScreenDefaults);

const SignalItem Platform_signals[] = {

{ .name = " 0 Cancel", .number = 0 },

{ .name = " 1 SIGHUP", .number = 1 },

{ .name = " 2 SIGINT", .number = 2 },

{ .name = " 3 SIGQUIT", .number = 3 },

{ .name = " 4 SIGILL", .number = 4 },

{ .name = " 5 SIGTRAP", .number = 5 },

{ .name = " 6 SIGABRT", .number = 6 },

{ .name = " 6 SIGIOT", .number = 6 },

{ .name = " 7 SIGEMT", .number = 7 },

{ .name = " 8 SIGFPE", .number = 8 },

{ .name = " 9 SIGKILL", .number = 9 },

{ .name = "10 SIGBUS", .number = 10 },

{ .name = "11 SIGSEGV", .number = 11 },

{ .name = "12 SIGSYS", .number = 12 },

{ .name = "13 SIGPIPE", .number = 13 },

{ .name = "14 SIGALRM", .number = 14 },

{ .name = "15 SIGTERM", .number = 15 },

{ .name = "16 SIGURG", .number = 16 },

{ .name = "17 SIGSTOP", .number = 17 },

{ .name = "18 SIGTSTP", .number = 18 },

{ .name = "19 SIGCONT", .number = 19 },

{ .name = "20 SIGCHLD", .number = 20 },

{ .name = "21 SIGTTIN", .number = 21 },

{ .name = "22 SIGTTOU", .number = 22 },

{ .name = "23 SI 8000 GIO", .number = 23 },

{ .name = "24 SIGXCPU", .number = 24 },

{ .name = "25 SIGXFSZ", .number = 25 },

{ .name = "26 SIGVTALRM", .number = 26 },

{ .name = "27 SIGPROF", .number = 27 },

{ .name = "28 SIGWINCH", .number = 28 },

{ .name = "29 SIGINFO", .number = 29 },

{ .name = "30 SIGUSR1", .number = 30 },

{ .name = "31 SIGUSR2", .number = 31 },

};

const unsigned int Platform_numberOfSignals = sizeof(Platform_signals)/sizeof(SignalItem);

ProcessFieldData Process_fields[] = {

[0] = { .name = "", .title = NULL, .description = NULL, .flags = 0, },

[PID] = { .name = "PID", .title = " PID ", .description = "Process/thread ID", .flags = 0, },

[COMM] = { .name = "Command", .title = "Command ", .description = "Command line", .flags = 0, },

[STATE] = { .name = "STATE", .title = "S ", .description = "Process state (S sleeping, R running, D disk, Z zombie, T traced, W paging)", .flags = 0, },

[PPID] = { .name = "PPID", .title = " PPID ", .description = "Parent process ID", .flags = 0, },

[PGRP] = { .name = "PGRP", .title = " PGRP ", .description = "Process group ID", .flags = 0, },

[SESSION] = { .name = "SESSION", .title = " SID ", .description = "Process's session ID", .flags = 0, },

[TTY_NR] = { .name = "TTY_NR", .title = " TTY ", .description = "Controlling terminal", .flags = 0, },

[TPGID] = { .name = "TPGID", .title = " TPGID ", .description = "Process ID of the fg process group of the controlling terminal", .flags = 0, },

[MINFLT] = { .name = "MINFLT", .title = " MINFLT ", .description = "Number of minor faults which have not required loading a memory page from disk", .flags = 0, },

[MAJFLT] = { .name = "MAJFLT", .title = " MAJFLT ", .description = "Number of major faults which have required loading a memory page from disk", .flags = 0, },

[PRIORITY] = { .name = "PRIORITY", .title = "PRI ", .description = "Kernel's internal priority for the process", .flags = 0, },

[NICE] = { .name = "NICE", .title = " NI ", .description = "Nice value (the higher the value, the more it lets other processes take priority)", .flags = 0, },

[STARTTIME] = { .name = "STARTTIME", .title = "START ", .description = "Time the process was started", .flags = 0, },

[PROCESSOR] = { .name = "PROCESSOR", .title = "CPU ", .description = "Id of the CPU the process last executed on", .flags = 0, },

[M_SIZE] = { .name = "M_SIZE", .title = " VIRT ", .description = "Total program size in virtual memory", .flags = 0, },

[M_RESIDENT] = { .name = "M_RESIDENT", .title = " RES ", .description = "Resident set size, size of the text and data sections, plus stack usage", .flags = 0, },

[ST_UID] = { .name = "ST_UID", .title = " UID ", .description = "User ID of the process owner", .flags = 0, },

[PERCENT_CPU] = { .name = "PERCENT_CPU", .title = "CPU% ", .description = "Percentage of the CPU time the process used in the last sampling", .flags = 0, },

[PERCENT_MEM] = { .name = "PERCENT_MEM", .title = "MEM% ", .description = "Percentage of the memory the process is using, based on resident memory size", .flags = 0, },

[USER] = { .name = "USER", .title = "USER ", .description = "Username of the process owner (or user ID if name cannot be determined)", .flags = 0, },

[TIME] = { .name = "TIME", .title = " TIME+ ", .description = "Total time the process has spent in user and system time", .flags = 0, },

[NLWP] = { .name = "NLWP", .title = "NLWP ", .description = "Number of threads in the process", .flags = 0, },

[TGID] = { .name = "TGID", .title = " TGID ", .description = "Thread group ID (i.e. process ID)", .flags = 0, },

[LAST_PROCESSFIELD] = { .name = "*** report bug! ***", .title = NULL, .description = NULL, .flags = 0, },

};

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 = 100;

int Platform_getUptime() {

struct timeval bootTime, currTime;

int mib[2] = { CTL_KERN, KERN_BOOTTIME };

size_t size = sizeof(bootTime);

int err = sysctl(mib, 2, &bootTime, &size, NULL, 0);

if (err) {

return -1;

}

gettimeofday(&currTime, NULL);

return (int) difftime(currTime.tv_sec, bootTime.tv_sec);

}

void Platform_getLoadAverage(double* one, double* five, double* fifteen) {

double results[3];

if(3 == getloadavg(results, 3)) {

*five = results[1];

*fifteen = results[2];

} else {

*five = 0;

*fifteen = 0;

}

int Platform_getMaxPid() {

/* http://opensource.apple.com/source/xnu/xnu-2782.1.97/bsd/sys/proc_internal.hh */

return 99999;

}

ProcessPidColumn Process_pidColumns[] = {

{ .id = PID, .label = "PID" },

{ .id = PPID, .label = "PPID" },

{ .id = TPGID, .label = "TPGID" },

{ .id = TGID, .label = "TGID" },

{ .id = PGRP, .label = "PGRP" },

{ .id = SESSION, .label = "SID" },

{ .id = 0, .label = NULL },

};

static double Platform_setCPUAverageValues(Meter* mtr) {

DarwinProcessList *dpl = (DarwinProcessList *)mtr->pl;

int cpus = dpl->super.cpuCount;

double sumNice = 0.0;

double sumNormal = 0.0;

double sumKernel = 0.0;

double sumPercent = 0.0;

for (int i = 1; i <= cpus; i++) {

sumPercent += Platform_setCPUValues(mtr, i);

sumNice += mtr->values[CPU_METER_NICE];

sumNormal += mtr->values[CPU_METER_NORMAL];

sumKernel += mtr->values[CPU_METER_KERNEL];

}

mtr->values[CPU_METER_NICE] = sumNice / cpus;

mtr->values[CPU_METER_NORMAL] = sumNormal / cpus;

mtr->values[CPU_METER_KERNEL] = sumKernel / cpus;

return sumPercent / cpus;

}

double Platform_setCPUValues(Meter* mtr, int cpu) {

if (cpu == 0) {

return Platform_setCPUAverageValues(mtr);

}

DarwinProcessList *dpl = (DarwinProcessList *)mtr->pl;

processor_cpu_load_info_t prev = &dpl->prev_load[cpu-1];

processor_cpu_load_info_t curr = &dpl->curr_load[cpu-1];

double total = 0;

/* Take the sums */

for(size_t i = 0; i < CPU_STATE_MAX; ++i) {

total += (double)curr->cpu_ticks[i] - (double)prev->cpu_ticks[i];

}

mtr->values[CPU_METER_NICE]

= ((double)curr->cpu_ticks[CPU_STATE_NICE] - (double)prev->cpu_ticks[CPU_STATE_NICE])* 100.0 / total;

mtr->values[CPU_METER_NORMAL]

= ((double)curr->cpu_ticks[CPU_STATE_USER] - (double)prev->cpu_ticks[CPU_STATE_USER])* 100.0 / total;

mtr->values[CPU_METER_KERNEL]

= ((double)curr->cpu_ticks[CPU_STATE_SYSTEM] - (double)prev->cpu_ticks[CPU_STATE_SYSTEM])* 100.0 / total;

Meter_setItems(mtr, 3);

/* Convert to percent and return */

total = mtr->values[CPU_METER_NICE] + mtr->values[CPU_METER_NORMAL] + mtr->values[CPU_METER_KERNEL];

return CLAMP(total, 0.0, 100.0);

}

void Platform_setMemoryValues(Meter* mtr) {

DarwinProcessList *dpl = (DarwinProcessList *)mtr->pl;

vm_statistics_t vm = &dpl->vm_stats;

double page_K = (double)vm_page_size / (double)1024;

mtr->total = dpl->host_info.max_mem / 1024;

mtr->values[0] = (double)(vm->active_count + vm->wire_count) * page_K;

mtr->values[1] = (double)vm->purgeable_count * page_K;

mtr->values[2] = (double)vm->inactive_count * page_K;

}

void Platform_setSwapValues(Meter* mtr) {

int mib[2] = {CTL_VM, VM_SWAPUSAGE};

struct xsw_usage swapused;

size_t swlen = sizeof(swapused);

sysctl(mib, 2, &swapused, &swlen, NULL, 0);

mtr->total = swapused.xsu_total / 1024;

mtr->values[0] = swapused.xsu_used / 1024;

}

char* Platform_getProcessEnv(pid_t pid) {

char* env = NULL;

int argmax;

size_t bufsz = sizeof(argmax);

int mib[3];

mib[0] = CTL_KERN;

mib[1] = KERN_ARGMAX;

if (sysctl(mib, 2, &argmax, &bufsz, 0, 0) == 0) {

char* buf = xMalloc(argmax);

if (buf) {

mib[0] = CTL_KERN;

mib[1] = KERN_PROCARGS2;

mib[2] = pid;

size_t bufsz = argmax;

if (sysctl(mib, 3, buf, &bufsz, 0, 0) == 0) {

if (bufsz > sizeof(int)) {

char *p = buf, *endp = buf + bufsz;

int argc = *(int*)p;

p += sizeof(int);

// skip exe

p = strchr(p, 0)+1;

// skip padding

while(!*p && p < endp)

++p;

// skip argv

for (; argc-- && p < endp; p = strrchr(p, 0)+1)

;

// skip padding

while(!*p && p < endp)

++p;

size_t size = endp - p;

env = xMalloc(size+2);

memcpy(env, p, size);

env[size] = 0;

env[size+1] = 0;

}

free(buf);

}

return env;

}

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