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htop/darwin/Platform.c

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/*
htop - darwin/Platform.c
(C) 2014 Hisham H. Muhammad
(C) 2015 David C. Hunt
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 SIGIO", .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)) {
*one = results[0];
*five = results[1];
*fifteen = results[2];
} else {
*one = 0;
*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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