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https://github.com/xzeldon/htop.git
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573 lines
17 KiB
C
573 lines
17 KiB
C
/*
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htop - Process.c
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(C) 2004-2015 Hisham H. Muhammad
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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 "Process.h"
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#include "Settings.h"
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#include "CRT.h"
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#include "String.h"
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#include "RichString.h"
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#include "Platform.h"
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#include <stdio.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <stdbool.h>
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#include <pwd.h>
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#include <time.h>
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#include <assert.h>
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#ifdef __ANDROID__
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#define SYS_ioprio_get __NR_ioprio_get
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#define SYS_ioprio_set __NR_ioprio_set
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#endif
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// On Linux, this works only with glibc 2.1+. On earlier versions
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// the behavior is similar to have a hardcoded page size.
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#ifndef PAGE_SIZE
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#define PAGE_SIZE ( sysconf(_SC_PAGESIZE) )
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#endif
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#define PAGE_SIZE_KB ( PAGE_SIZE / ONE_K )
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/*{
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#include "Object.h"
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#include <sys/types.h>
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#define PROCESS_FLAG_IO 0x0001
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typedef enum ProcessFields {
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PID = 1,
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COMM = 2,
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STATE = 3,
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PPID = 4,
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PGRP = 5,
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SESSION = 6,
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TTY_NR = 7,
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TPGID = 8,
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MINFLT = 10,
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MAJFLT = 12,
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PRIORITY = 18,
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NICE = 19,
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STARTTIME = 21,
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PROCESSOR = 38,
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M_SIZE = 39,
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M_RESIDENT = 40,
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ST_UID = 46,
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PERCENT_CPU = 47,
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PERCENT_MEM = 48,
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USER = 49,
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TIME = 50,
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NLWP = 51,
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TGID = 52,
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} ProcessField;
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typedef struct Process_ {
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Object super;
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struct Settings_* settings;
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unsigned long long int time;
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pid_t pid;
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pid_t ppid;
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pid_t tgid;
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char* comm;
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int indent;
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int basenameOffset;
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bool updated;
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char state;
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bool tag;
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bool showChildren;
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bool show;
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unsigned int pgrp;
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unsigned int session;
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unsigned int tty_nr;
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int tpgid;
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uid_t st_uid;
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unsigned long int flags;
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int processor;
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float percent_cpu;
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float percent_mem;
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char* user;
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long int priority;
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long int nice;
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long int nlwp;
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char starttime_show[8];
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time_t starttime_ctime;
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long m_size;
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long m_resident;
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int exit_signal;
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unsigned long int minflt;
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unsigned long int majflt;
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#ifdef DEBUG
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long int itrealvalue;
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unsigned long int vsize;
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long int rss;
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unsigned long int rlim;
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unsigned long int startcode;
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unsigned long int endcode;
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unsigned long int startstack;
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unsigned long int kstkesp;
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unsigned long int kstkeip;
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unsigned long int signal;
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unsigned long int blocked;
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unsigned long int sigignore;
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unsigned long int sigcatch;
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unsigned long int wchan;
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unsigned long int nswap;
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unsigned long int cnswap;
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#endif
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} Process;
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typedef struct ProcessFieldData_ {
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const char* name;
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const char* title;
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const char* description;
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int flags;
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} ProcessFieldData;
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// Implemented in platform-specific code:
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void Process_setupColumnWidths();
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void Process_writeField(Process* this, RichString* str, ProcessField field);
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long Process_compare(const void* v1, const void* v2);
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void Process_delete(Object* cast);
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bool Process_isThread(Process* this);
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extern ProcessFieldData Process_fields[];
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extern char* Process_pidFormat;
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extern char* Process_tpgidFormat;
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typedef Process*(*Process_New)(struct Settings_*);
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typedef void (*Process_WriteField)(Process*, RichString*, ProcessField);
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typedef struct ProcessClass_ {
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const ObjectClass super;
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const Process_WriteField writeField;
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} ProcessClass;
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#define As_Process(this_) ((ProcessClass*)((this_)->super.klass))
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}*/
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static int Process_getuid = -1;
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#define ONE_K 1024L
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#define ONE_M (ONE_K * ONE_K)
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#define ONE_G (ONE_M * ONE_K)
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#define ONE_DECIMAL_K 1000L
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#define ONE_DECIMAL_M (ONE_DECIMAL_K * ONE_DECIMAL_K)
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#define ONE_DECIMAL_G (ONE_DECIMAL_M * ONE_DECIMAL_K)
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void Process_humanNumber(RichString* str, unsigned long number, bool coloring) {
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char buffer[11];
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int len;
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int largeNumberColor = CRT_colors[LARGE_NUMBER];
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int processMegabytesColor = CRT_colors[PROCESS_MEGABYTES];
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int processColor = CRT_colors[PROCESS];
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if (!coloring) {
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largeNumberColor = CRT_colors[PROCESS];
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processMegabytesColor = CRT_colors[PROCESS];
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}
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if(number >= (10 * ONE_DECIMAL_M)) {
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#ifdef __LP64__
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if(number >= (100 * ONE_DECIMAL_G)) {
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len = snprintf(buffer, 10, "%4ldT ", number / ONE_G);
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RichString_appendn(str, largeNumberColor, buffer, len);
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return;
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} else if (number >= (1000 * ONE_DECIMAL_M)) {
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len = snprintf(buffer, 10, "%4.1lfT ", (double)number / ONE_G);
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RichString_appendn(str, largeNumberColor, buffer, len);
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return;
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}
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#endif
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if(number >= (100 * ONE_DECIMAL_M)) {
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len = snprintf(buffer, 10, "%4ldG ", number / ONE_M);
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RichString_appendn(str, largeNumberColor, buffer, len);
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return;
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}
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len = snprintf(buffer, 10, "%4.1lfG ", (double)number / ONE_M);
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RichString_appendn(str, largeNumberColor, buffer, len);
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return;
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} else if (number >= 100000) {
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len = snprintf(buffer, 10, "%4ldM ", number / ONE_K);
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RichString_appendn(str, processMegabytesColor, buffer, len);
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return;
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} else if (number >= 1000) {
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len = snprintf(buffer, 10, "%2ld", number/1000);
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RichString_appendn(str, processMegabytesColor, buffer, len);
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number %= 1000;
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len = snprintf(buffer, 10, "%03lu ", number);
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RichString_appendn(str, processColor, buffer, len);
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return;
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}
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len = snprintf(buffer, 10, "%5lu ", number);
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RichString_appendn(str, processColor, buffer, len);
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}
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void Process_colorNumber(RichString* str, unsigned long long number, bool coloring) {
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char buffer[14];
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int largeNumberColor = CRT_colors[LARGE_NUMBER];
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int processMegabytesColor = CRT_colors[PROCESS_MEGABYTES];
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int processColor = CRT_colors[PROCESS];
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int processShadowColor = CRT_colors[PROCESS_SHADOW];
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if (!coloring) {
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largeNumberColor = CRT_colors[PROCESS];
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processMegabytesColor = CRT_colors[PROCESS];
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processShadowColor = CRT_colors[PROCESS];
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}
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if (number > 10000000000) {
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snprintf(buffer, 13, "%11lld ", number / 1000);
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RichString_appendn(str, largeNumberColor, buffer, 5);
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RichString_appendn(str, processMegabytesColor, buffer+5, 3);
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RichString_appendn(str, processColor, buffer+8, 4);
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} else {
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snprintf(buffer, 13, "%11llu ", number);
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RichString_appendn(str, largeNumberColor, buffer, 2);
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RichString_appendn(str, processMegabytesColor, buffer+2, 3);
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RichString_appendn(str, processColor, buffer+5, 3);
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RichString_appendn(str, processShadowColor, buffer+8, 4);
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}
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}
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void Process_printTime(RichString* str, unsigned long long totalHundredths) {
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unsigned long long totalSeconds = totalHundredths / 100;
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unsigned long long hours = totalSeconds / 3600;
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int minutes = (totalSeconds / 60) % 60;
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int seconds = totalSeconds % 60;
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int hundredths = totalHundredths - (totalSeconds * 100);
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char buffer[11];
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if (hours >= 100) {
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snprintf(buffer, 10, "%7lluh ", hours);
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RichString_append(str, CRT_colors[LARGE_NUMBER], buffer);
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} else {
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if (hours) {
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snprintf(buffer, 10, "%2lluh", hours);
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RichString_append(str, CRT_colors[LARGE_NUMBER], buffer);
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snprintf(buffer, 10, "%02d:%02d ", minutes, seconds);
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} else {
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snprintf(buffer, 10, "%2d:%02d.%02d ", minutes, seconds, hundredths);
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}
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RichString_append(str, CRT_colors[DEFAULT_COLOR], buffer);
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}
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}
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static inline void Process_writeCommand(Process* this, int attr, int baseattr, RichString* str) {
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int start = RichString_size(str);
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RichString_append(str, attr, this->comm);
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if (this->settings->highlightBaseName) {
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int finish = RichString_size(str) - 1;
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if (this->basenameOffset != -1)
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finish = (start + this->basenameOffset) - 1;
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int colon = RichString_findChar(str, ':', start);
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if (colon != -1 && colon < finish) {
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finish = colon;
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} else {
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for (int i = finish - start; i >= 0; i--) {
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if (this->comm[i] == '/') {
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start += i+1;
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break;
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}
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}
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}
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RichString_setAttrn(str, baseattr, start, finish);
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}
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}
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void Process_outputRate(RichString* str, char* buffer, int n, double rate, int coloring) {
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int largeNumberColor = CRT_colors[LARGE_NUMBER];
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int processMegabytesColor = CRT_colors[PROCESS_MEGABYTES];
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int processColor = CRT_colors[PROCESS];
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if (!coloring) {
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largeNumberColor = CRT_colors[PROCESS];
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processMegabytesColor = CRT_colors[PROCESS];
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}
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if (rate < ONE_K) {
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int len = snprintf(buffer, n, "%7.2f B/s ", rate);
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RichString_appendn(str, processColor, buffer, len);
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} else if (rate < ONE_K * ONE_K) {
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int len = snprintf(buffer, n, "%7.2f K/s ", rate / ONE_K);
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RichString_appendn(str, processColor, buffer, len);
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} else if (rate < ONE_K * ONE_K * ONE_K) {
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int len = snprintf(buffer, n, "%7.2f M/s ", rate / ONE_K / ONE_K);
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RichString_appendn(str, processMegabytesColor, buffer, len);
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} else {
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int len = snprintf(buffer, n, "%7.2f G/s ", rate / ONE_K / ONE_K / ONE_K);
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RichString_appendn(str, largeNumberColor, buffer, len);
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}
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}
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void Process_writeField(Process* this, RichString* str, ProcessField field) {
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char buffer[256]; buffer[255] = '\0';
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int attr = CRT_colors[DEFAULT_COLOR];
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int baseattr = CRT_colors[PROCESS_BASENAME];
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int n = sizeof(buffer) - 1;
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bool coloring = this->settings->highlightMegabytes;
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switch (field) {
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case PERCENT_CPU: {
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if (this->percent_cpu > 999.9) {
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snprintf(buffer, n, "%4d ", (unsigned int)this->percent_cpu);
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} else if (this->percent_cpu > 99.9) {
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snprintf(buffer, n, "%3d. ", (unsigned int)this->percent_cpu);
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} else {
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snprintf(buffer, n, "%4.1f ", this->percent_cpu);
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}
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break;
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}
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case PERCENT_MEM: {
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if (this->percent_mem > 99.9) {
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snprintf(buffer, n, "100. ");
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} else {
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snprintf(buffer, n, "%4.1f ", this->percent_mem);
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}
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break;
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}
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case COMM: {
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if (this->settings->highlightThreads && Process_isThread(this)) {
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attr = CRT_colors[PROCESS_THREAD];
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baseattr = CRT_colors[PROCESS_THREAD_BASENAME];
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}
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if (!this->settings->treeView || this->indent == 0) {
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Process_writeCommand(this, attr, baseattr, str);
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return;
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} else {
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char* buf = buffer;
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int maxIndent = 0;
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bool lastItem = (this->indent < 0);
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int indent = (this->indent < 0 ? -this->indent : this->indent);
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for (int i = 0; i < 32; i++)
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if (indent & (1 << i))
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maxIndent = i+1;
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for (int i = 0; i < maxIndent - 1; i++) {
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int written;
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if (indent & (1 << i))
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written = snprintf(buf, n, "%s ", CRT_treeStr[TREE_STR_VERT]);
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else
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written = snprintf(buf, n, " ");
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buf += written;
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n -= written;
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}
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const char* draw = CRT_treeStr[lastItem ? (this->settings->direction == 1 ? TREE_STR_BEND : TREE_STR_TEND) : TREE_STR_RTEE];
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snprintf(buf, n, "%s%s ", draw, this->showChildren ? CRT_treeStr[TREE_STR_SHUT] : CRT_treeStr[TREE_STR_OPEN] );
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RichString_append(str, CRT_colors[PROCESS_TREE], buffer);
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Process_writeCommand(this, attr, baseattr, str);
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return;
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}
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}
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case MAJFLT: Process_colorNumber(str, this->majflt, coloring); return;
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case MINFLT: Process_colorNumber(str, this->minflt, coloring); return;
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case M_RESIDENT: Process_humanNumber(str, this->m_resident * PAGE_SIZE_KB, coloring); return;
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case M_SIZE: Process_humanNumber(str, this->m_size * PAGE_SIZE_KB, coloring); return;
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case NICE: {
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snprintf(buffer, n, "%3ld ", this->nice);
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attr = this->nice < 0 ? CRT_colors[PROCESS_HIGH_PRIORITY]
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: this->nice > 0 ? CRT_colors[PROCESS_LOW_PRIORITY]
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: attr;
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break;
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}
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case NLWP: snprintf(buffer, n, "%4ld ", this->nlwp); break;
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case PGRP: snprintf(buffer, n, Process_pidFormat, this->pgrp); break;
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case PID: snprintf(buffer, n, Process_pidFormat, this->pid); break;
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case PPID: snprintf(buffer, n, Process_pidFormat, this->ppid); break;
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case PRIORITY: {
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if(this->priority == -100)
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snprintf(buffer, n, " RT ");
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else
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snprintf(buffer, n, "%3ld ", this->priority);
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break;
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}
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case PROCESSOR: snprintf(buffer, n, "%3d ", Settings_cpuId(this->settings, this->processor)); break;
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case SESSION: snprintf(buffer, n, Process_pidFormat, this->session); break;
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case STARTTIME: snprintf(buffer, n, "%s", this->starttime_show); break;
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case STATE: {
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snprintf(buffer, n, "%c ", this->state);
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switch(this->state) {
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case 'R':
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attr = CRT_colors[PROCESS_R_STATE];
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break;
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case 'D':
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attr = CRT_colors[PROCESS_D_STATE];
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break;
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}
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break;
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}
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case ST_UID: snprintf(buffer, n, "%4d ", this->st_uid); break;
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case TIME: Process_printTime(str, this->time); return;
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case TGID: snprintf(buffer, n, Process_pidFormat, this->tgid); break;
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case TPGID: snprintf(buffer, n, Process_tpgidFormat, this->tpgid); break;
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case TTY_NR: snprintf(buffer, n, "%5u ", this->tty_nr); break;
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case USER: {
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if (Process_getuid != (int) this->st_uid)
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attr = CRT_colors[PROCESS_SHADOW];
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if (this->user) {
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snprintf(buffer, n, "%-9s ", this->user);
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} else {
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snprintf(buffer, n, "%-9d ", this->st_uid);
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}
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if (buffer[9] != '\0') {
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buffer[9] = ' ';
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buffer[10] = '\0';
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}
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break;
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}
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default:
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snprintf(buffer, n, "- ");
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}
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RichString_append(str, attr, buffer);
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}
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void Process_display(Object* cast, RichString* out) {
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Process* this = (Process*) cast;
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ProcessField* fields = this->settings->fields;
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RichString_prune(out);
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for (int i = 0; fields[i]; i++)
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As_Process(this)->writeField(this, out, fields[i]);
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if (this->settings->shadowOtherUsers && (int)this->st_uid != Process_getuid)
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RichString_setAttr(out, CRT_colors[PROCESS_SHADOW]);
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if (this->tag == true)
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RichString_setAttr(out, CRT_colors[PROCESS_TAG]);
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assert(out->chlen > 0);
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}
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void Process_done(Process* this) {
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assert (this != NULL);
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free(this->comm);
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}
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ProcessClass Process_class = {
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.super = {
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.extends = Class(Object),
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.display = Process_display,
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.delete = Process_delete,
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.compare = Process_compare
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},
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.writeField = Process_writeField,
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};
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void Process_init(Process* this, struct Settings_* settings) {
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this->settings = settings;
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this->tag = false;
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this->showChildren = true;
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this->show = true;
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this->updated = false;
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this->basenameOffset = -1;
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if (Process_getuid == -1) Process_getuid = getuid();
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}
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void Process_toggleTag(Process* this) {
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this->tag = this->tag == true ? false : true;
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}
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bool Process_setPriority(Process* this, int priority) {
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int old_prio = getpriority(PRIO_PROCESS, this->pid);
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int err = setpriority(PRIO_PROCESS, this->pid, priority);
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if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) {
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|
this->nice = priority;
|
|
}
|
|
return (err == 0);
|
|
}
|
|
|
|
bool Process_changePriorityBy(Process* this, size_t delta) {
|
|
return Process_setPriority(this, this->nice + delta);
|
|
}
|
|
|
|
void Process_sendSignal(Process* this, size_t sgn) {
|
|
kill(this->pid, (int) sgn);
|
|
}
|
|
|
|
long Process_pidCompare(const void* v1, const void* v2) {
|
|
Process* p1 = (Process*)v1;
|
|
Process* p2 = (Process*)v2;
|
|
return (p1->pid - p2->pid);
|
|
}
|
|
|
|
long Process_compare(const void* v1, const void* v2) {
|
|
Process *p1, *p2;
|
|
Settings *settings = ((Process*)v1)->settings;
|
|
if (settings->direction == 1) {
|
|
p1 = (Process*)v1;
|
|
p2 = (Process*)v2;
|
|
} else {
|
|
p2 = (Process*)v1;
|
|
p1 = (Process*)v2;
|
|
}
|
|
switch (settings->sortKey) {
|
|
case PERCENT_CPU:
|
|
return (p2->percent_cpu > p1->percent_cpu ? 1 : -1);
|
|
case PERCENT_MEM:
|
|
return (p2->m_resident - p1->m_resident);
|
|
case COMM:
|
|
return strcmp(p1->comm, p2->comm);
|
|
case MAJFLT:
|
|
return (p2->majflt - p1->majflt);
|
|
case MINFLT:
|
|
return (p2->minflt - p1->minflt);
|
|
case M_RESIDENT:
|
|
return (p2->m_resident - p1->m_resident);
|
|
case M_SIZE:
|
|
return (p2->m_size - p1->m_size);
|
|
case NICE:
|
|
return (p1->nice - p2->nice);
|
|
case NLWP:
|
|
return (p1->nlwp - p2->nlwp);
|
|
case PGRP:
|
|
return (p1->pgrp - p2->pgrp);
|
|
case PID:
|
|
return (p1->pid - p2->pid);
|
|
case PPID:
|
|
return (p1->ppid - p2->ppid);
|
|
case PRIORITY:
|
|
return (p1->priority - p2->priority);
|
|
case PROCESSOR:
|
|
return (p1->processor - p2->processor);
|
|
case SESSION:
|
|
return (p1->session - p2->session);
|
|
case STARTTIME: {
|
|
if (p1->starttime_ctime == p2->starttime_ctime)
|
|
return (p1->pid - p2->pid);
|
|
else
|
|
return (p1->starttime_ctime - p2->starttime_ctime);
|
|
}
|
|
case STATE:
|
|
return (p1->state - p2->state);
|
|
case ST_UID:
|
|
return (p1->st_uid - p2->st_uid);
|
|
case TIME:
|
|
return ((p2->time) - (p1->time));
|
|
case TGID:
|
|
return (p1->tgid - p2->tgid);
|
|
case TPGID:
|
|
return (p1->tpgid - p2->tpgid);
|
|
case TTY_NR:
|
|
return (p1->tty_nr - p2->tty_nr);
|
|
case USER:
|
|
return strcmp(p1->user ? p1->user : "", p2->user ? p2->user : "");
|
|
default:
|
|
return (p1->pid - p2->pid);
|
|
}
|
|
}
|