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/*
htop - Process.c
(C) 2004-2010 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#define _GNU_SOURCE
#include "ProcessList.h"
#include "Object.h"
#include "CRT.h"
#include "String.h"
#include "Process.h"
#include "RichString.h"
#include "debug.h"
#include <stdio.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
#include <stdbool.h>
#include <pwd.h>
#include <sched.h>
#include <time.h>
#ifdef HAVE_PLPA
#include <plpa.h>
#endif
// This works only with glibc 2.1+. On earlier versions
// the behavior is similar to have a hardcoded page size.
#ifndef PAGE_SIZE
#define PAGE_SIZE ( sysconf(_SC_PAGESIZE) )
#endif
#define PAGE_SIZE_KB ( PAGE_SIZE / ONE_K )
#define PROCESS_COMM_LEN 300
/*{
#ifndef Process_isThread
#define Process_isThread(_process) (_process->pid != _process->tgid || _process->m_size == 0)
#endif
typedef enum ProcessField_ {
PID = 1, COMM, STATE, PPID, PGRP, SESSION, TTY_NR, TPGID, FLAGS, MINFLT, CMINFLT, MAJFLT, CMAJFLT, UTIME,
STIME, CUTIME, CSTIME, PRIORITY, NICE, ITREALVALUE, STARTTIME, VSIZE, RSS, RLIM, STARTCODE, ENDCODE,
STARTSTACK, KSTKESP, KSTKEIP, SIGNAL, BLOCKED, SSIGIGNORE, SIGCATCH, WCHAN, NSWAP, CNSWAP, EXIT_SIGNAL,
PROCESSOR, M_SIZE, M_RESIDENT, M_SHARE, M_TRS, M_DRS, M_LRS, M_DT, ST_UID, PERCENT_CPU, PERCENT_MEM,
USER, TIME, NLWP, TGID,
#ifdef HAVE_OPENVZ
CTID, VPID,
#endif
#ifdef HAVE_VSERVER
VXID,
#endif
#ifdef HAVE_TASKSTATS
RCHAR, WCHAR, SYSCR, SYSCW, RBYTES, WBYTES, CNCLWB, IO_READ_RATE, IO_WRITE_RATE, IO_RATE,
#endif
LAST_PROCESSFIELD
} ProcessField;
struct ProcessList_;
typedef struct Process_ {
Object super;
struct ProcessList_ *pl;
bool updated;
pid_t pid;
char* comm;
int indent;
char state;
bool tag;
pid_t ppid;
unsigned int pgrp;
unsigned int session;
unsigned int tty_nr;
pid_t tgid;
int tpgid;
unsigned long int flags;
#ifdef DEBUG
unsigned long int minflt;
unsigned long int cminflt;
unsigned long int majflt;
unsigned long int cmajflt;
#endif
unsigned long int utime;
unsigned long int stime;
long int cutime;
long int cstime;
long int priority;
long int nice;
long int nlwp;
char starttime_show[8];
time_t starttime_ctime;
#ifdef DEBUG
long int itrealvalue;
unsigned long int vsize;
long int rss;
unsigned long int rlim;
unsigned long int startcode;
unsigned long int endcode;
unsigned long int startstack;
unsigned long int kstkesp;
unsigned long int kstkeip;
unsigned long int signal;
unsigned long int blocked;
unsigned long int sigignore;
unsigned long int sigcatch;
unsigned long int wchan;
unsigned long int nswap;
unsigned long int cnswap;
#endif
int exit_signal;
int processor;
int m_size;
int m_resident;
int m_share;
int m_trs;
int m_drs;
int m_lrs;
int m_dt;
uid_t st_uid;
float percent_cpu;
float percent_mem;
char* user;
#ifdef HAVE_OPENVZ
unsigned int ctid;
unsigned int vpid;
#endif
#ifdef HAVE_VSERVER
unsigned int vxid;
#endif
#ifdef HAVE_TASKSTATS
unsigned long long io_rchar;
unsigned long long io_wchar;
unsigned long long io_syscr;
unsigned long long io_syscw;
unsigned long long io_read_bytes;
unsigned long long io_write_bytes;
unsigned long long io_cancelled_write_bytes;
double io_rate_read_bps;
unsigned long long io_rate_read_time;
double io_rate_write_bps;
unsigned long long io_rate_write_time;
#endif
} Process;
}*/
#ifdef DEBUG
char* PROCESS_CLASS = "Process";
#else
#define PROCESS_CLASS NULL
#endif
const char *Process_fieldNames[] = {
"", "PID", "Command", "STATE", "PPID", "PGRP", "SESSION",
"TTY_NR", "TPGID", "FLAGS", "MINFLT", "CMINFLT", "MAJFLT", "CMAJFLT",
"UTIME", "STIME", "CUTIME", "CSTIME", "PRIORITY", "NICE", "ITREALVALUE",
"STARTTIME", "VSIZE", "RSS", "RLIM", "STARTCODE", "ENDCODE", "STARTSTACK",
"KSTKESP", "KSTKEIP", "SIGNAL", "BLOCKED", "SIGIGNORE", "SIGCATCH", "WCHAN",
"NSWAP", "CNSWAP", "EXIT_SIGNAL", "PROCESSOR", "M_SIZE", "M_RESIDENT", "M_SHARE",
"M_TRS", "M_DRS", "M_LRS", "M_DT", "ST_UID", "PERCENT_CPU", "PERCENT_MEM",
"USER", "TIME", "NLWP", "TGID",
#ifdef HAVE_OPENVZ
"CTID", "VPID",
#endif
#ifdef HAVE_VSERVER
"VXID",
#endif
#ifdef HAVE_TASKSTATS
"RCHAR", "WCHAR", "SYSCR", "SYSCW", "RBYTES", "WBYTES", "CNCLWB",
"IO_READ_RATE", "IO_WRITE_RATE", "IO_RATE",
#endif
"*** report bug! ***"
};
const char *Process_fieldTitles[] = {
"", " PID ", "Command ", "S ", " PPID ", " PGRP ", " SESN ",
" TTY ", "TPGID ", "- ", "- ", "- ", "- ", "- ",
" UTIME+ ", " STIME+ ", "- ", "- ", "PRI ", " NI ", "- ",
"START ", "- ", "- ", "- ", "- ", "- ", "- ",
"- ", "- ", "- ", "- ", "- ", "- ", "- ",
"- ", "- ", "- ", "CPU ", " VIRT ", " RES ", " SHR ",
" CODE ", " DATA ", " LIB ", " DIRTY ", " UID ", "CPU% ", "MEM% ",
"USER ", " TIME+ ", "NLWP ", " TGID ",
#ifdef HAVE_OPENVZ
" CTID ", " VPID ",
#endif
#ifdef HAVE_VSERVER
" VXID ",
#endif
#ifdef HAVE_TASKSTATS
" RD_CHAR ", " WR_CHAR ", " RD_SYSC ", " WR_SYSC ", " IO_RBYTES ", " IO_WBYTES ", " IO_CANCEL ",
" IORR ", " IOWR ", " IO ",
#endif
};
static int Process_getuid = -1;
#define ONE_K 1024
#define ONE_M (ONE_K * ONE_K)
#define ONE_G (ONE_M * ONE_K)
static void Process_printLargeNumber(Process* this, RichString *str, unsigned long number) {
char buffer[11];
int len;
if(number >= (10 * ONE_M)) {
len = snprintf(buffer, 10, "%3.1fG ", (float)number / ONE_M);
RichString_appendn(str, CRT_colors[LARGE_NUMBER], buffer, len);
} else if(number >= (100000)) {
len = snprintf(buffer, 10, "%4ldM ", number / ONE_K);
int attr = this->pl->highlightMegabytes
? CRT_colors[PROCESS_MEGABYTES]
: CRT_colors[PROCESS];
RichString_appendn(str, attr, buffer, len);
} else if (this->pl->highlightMegabytes && number >= 1000) {
len = snprintf(buffer, 10, "%2ld", number/1000);
RichString_appendn(str, CRT_colors[PROCESS_MEGABYTES], buffer, len);
number %= 1000;
len = snprintf(buffer, 10, "%03ld ", number);
RichString_appendn(str, CRT_colors[PROCESS], buffer, len);
} else {
len = snprintf(buffer, 10, "%5ld ", number);
RichString_appendn(str, CRT_colors[PROCESS], buffer, len);
}
}
static double jiffy = 0.0;
static void Process_printTime(RichString* str, unsigned long t) {
if(jiffy == 0.0) jiffy = sysconf(_SC_CLK_TCK);
double jiffytime = 1.0 / jiffy;
double realTime = t * jiffytime;
int iRealTime = (int) realTime;
int hours = iRealTime / 3600;
int minutes = (iRealTime / 60) % 60;
int seconds = iRealTime % 60;
int hundredths = (realTime - iRealTime) * 100;
char buffer[11];
if (hours) {
snprintf(buffer, 10, "%2dh", hours);
RichString_append(str, CRT_colors[LARGE_NUMBER], buffer);
snprintf(buffer, 10, "%02d:%02d ", minutes, seconds);
} else {
snprintf(buffer, 10, &quo
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