Added jims top and moved old files

This commit is contained in:
csmall 2002-05-30 03:44:46 +00:00
parent c0b92a2db2
commit 11c1eba093
4 changed files with 4836 additions and 1892 deletions

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/*
* top.h header file 1996/05/18,
*
* function prototypes, global data definitions and string constants.
*/
static proc_t** readproctab2(int flags, proc_t** tab, ...);
static void parse_options(char *Options, int secure);
static void get_options(void);
static void error_end(int rno);
static void end(int signo);
static void stop(int signo);
static void window_size(int signo);
static int make_header(void);
static char *getstr(void);
static int getsig(void);
static float getfloat(void);
static int time_sort(proc_t **P, proc_t **Q);
static int pcpu_sort(proc_t **P, proc_t **Q);
static int mem_sort(proc_t **P, proc_t **Q);
static int age_sort(proc_t **P, proc_t **Q);
static void show_fields(void);
static void change_order(void);
static void change_fields(void);
static void show_task_info(proc_t *task);
static void show_procs(void);
static float get_elapsed_time(void);
static void show_meminfo(void);
static void do_stats(proc_t** p, float elapsed_time, int pass);
static void do_key(char c);
/* configurable field display support */
static int pflags[30];
static int Numfields;
/* Name of the config file (in $HOME) */
#ifndef RCFILE
#define RCFILE ".toprc"
#endif
#ifndef SYS_TOPRC
#define SYS_TOPRC "/etc/toprc"
#endif
#define MAXLINES 2048
#define MAXNAMELEN 1024
/* this is what procps top does by default, so let's do this, if nothing is
* specified
*/
#ifndef DEFAULT_SHOW
/* 0 1 2 3 */
/* 0123456789012345678901234567890 */
#define DEFAULT_SHOW "AbcDgHIjklMnoTP|qrsuzyV{EFWX"
#endif
static char Fields[256] = "";
/* This structure stores some critical information from one frame to
the next. mostly used for sorting. Added cumulative and resident fields. */
struct save_hist {
int ticks;
int pid;
int pcpu;
int utime;
int stime;
};
/* The original terminal attributes. */
static struct termios Savetty;
/* The new terminal attributes. */
static struct termios Rawtty;
/* Cached termcap entries. */
static char *cm, *cl, *top_clrtobot, *top_clrtoeol, *ho, *md, *me, *mr;
/* Current window size. Note that it is legal to set Display_procs
larger than can fit; if the window is later resized, all will be ok.
In other words: Display_procs is the specified max number of
processes to display (zero for infinite), and Maxlines is the actual
number. */
static int Lines, Cols, Maxlines, Display_procs;
/* Maximum length to display of the command line of a process. */
static unsigned Maxcmd;
/* Controls how long we sleep between screen updates. Accurate to
microseconds. */
static float Sleeptime = 5;
/* for opening/closing the system map */
static int psdbsucc = 0;
/* Mode flags. */
static int Irixmode = 1;
static int Secure = 0;
static int Cumulative = 0;
static int Noidle = 0;
static int CPU_states = 0;
static char CurrUser[BUFSIZ];
static int CL_pg_shift = (PAGE_SHIFT - 10);
static int CL_wchan_nout = -1;
static int show_stats = 1; /* show status summary */
static int show_memory = 1; /* show memory summary */
static int show_loadav = 1; /* show load average and uptime */
static int show_cmd = 1; /* show command name instead of commandline */
static pid_t monpids[520]; /* randomly chosen value */
static const int monpids_max = sizeof(monpids)/sizeof(pid_t);
static int monpids_index = 0;
static int Loops = -1; /* number of iterations. -1 loops forever */
static int Batch = 0; /* batch mode. Collect no input, dumb output */
/* sorting order: cpu%, mem, time (cumulative, if in cumulative mode) */
enum {
S_PCPU, S_MEM, S_TIME, S_AGE, S_NONE
};
/* default sorting by CPU% */
static int sort_type = S_PCPU;
/* flags for each possible field. At the moment up to 30 are supported */
enum {
P_PID, P_PPID, P_EUID, P_EUSER,
P_PCPU, P_PMEM, P_TTY, P_PRI,
P_NICE, P_PAGEIN, P_TSIZ, P_DSIZ,
P_SIZE, P_TRS, P_SWAP, P_SHARE,
P_A, P_WP, P_DT, P_RSS,
P_WCHAN, P_STAT, P_TIME, P_COMMAND,
P_LCPU, P_FLAGS, P_END
};
/* corresponding headers */
static char *headers[] =
{
" PID ", " PPID ", " UID ",
"USER ", "%CPU ", "%MEM ",
"TTY ", "PRI ", " NI ",
"PAGEIN ", "TSIZE ", "DSIZE ",
" SIZE ", " TRS ", "SWAP ",
"SHARE ", " A ", " WP ",
" D ", " RSS ", "WCHAN ",
"STAT ", " TIME ", "COMMAND",
"LC ",
" FLAGS "
};
/* corresponding field desciptions */
static char *headers2[] =
{
"Process Id", "Parent Process Id", "User Id",
"User Name", "CPU Usage", "Memory Usage",
"Controlling tty", "Priority", "Nice Value",
"Page Fault Count", "Code Size (kb)", "Data+Stack Size (kb)",
"Virtual Image Size (kb)", "Resident Text Size (kb)", "Swapped kb",
"Shared Pages (kb)", "Accessed Page count", "Write Protected Pages",
"Dirty Pages", "Resident Set Size (kb)", "Sleeping in Function",
"Process Status", "CPU Time", "Command",
"Last used CPU (expect this to change regularly)",
"Task Flags (see linux/sched.h)"
};
/* The header printed at the top of the process list.*/
static char Header[MAXLINES];
/* The response to the interactive 'h' command. */
#define HELP_SCREEN "\
Interactive commands are:\n\
\n\
space\tUpdate display\n\
^L\tRedraw the screen\n\
fF\tadd and remove fields\n\
oO\tChange order of displayed fields\n\
h or ?\tPrint this list\n\
S\tToggle cumulative mode\n\
i\tToggle display of idle proceses\n\
I\tToggle between Irix and Solaris views (SMP-only)\n\
c\tToggle display of command name/line\n\
l\tToggle display of load average\n\
m\tToggle display of memory information\n\
t\tToggle display of summary information\n\
k\tKill a task (with any signal)\n\
r\tRenice a task\n\
N\tSort by pid (Numerically)\n\
A\tSort by age\n\
P\tSort by CPU usage\n\
M\tSort by resident memory usage\n\
T\tSort by time / cumulative time\n\
u\tShow only a specific user\n\
n or #\tSet the number of process to show\n\
s\tSet the delay in seconds between updates\n\
W\tWrite configuration file ~/.toprc\n\
q\tQuit"
#define SECURE_HELP_SCREEN "\
Interactive commands available in secure mode are:\n\
\n\
space\tUpdate display\n\
^L\tRedraw the screen\n\
fF\tadd and remove fields\n\
h or ?\tPrint this list\n\
S\tToggle cumulative mode\n\
i\tToggle display of idle proceses\n\
c\tToggle display of command name/line\n\
l\tToggle display of load average\n\
m\tToggle display of memory information\n\
t\tToggle display of summary information\n\
n or #\tSet the number of process to show\n\
u\tShow only a specific user\n\
oO\tChange order of displayed fields\n\
W\tWrite configuration file ~/.toprc\n\
q\tQuit"
/* Number of lines needed to display the header information. */
static int header_lines;
/* ############## Some Macro definitions for screen handling ######### */
/* String to use in error messages. */
#define PROGNAME "top"
/* Clear the screen. */
#define clear_screen() \
printf("%s", cl)
/* Show an error in the context of the spiffy full-screen display. */
#define SHOWMESSAGE(x) do { \
printf("%s%s%s%s", tgoto(cm, 0, header_lines-2), top_clrtoeol,md,mr); \
printf x; \
printf ("%s",me); \
fflush(stdout); \
sleep(2); \
} while (0)

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/* top.h - Header file: show Linux processes */
/*
* top.h header file 1996/05/18,
*
* function prototypes, global data definitions and string constants.
* Copyright (c) 2002 - James C. Warner, <warnerjc@worldnet.att.net>
* All rights reserved.
* This file may be used subject to the terms and conditions of the
* GNU Library General Public License Version 2, or any later version
* at your option, as published by the Free Software Foundation.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*/
#ifndef _Itop
#define _Itop
static proc_t** readproctab2(int flags, proc_t** tab, ...);
static void parse_options(char *Options, int secure);
static void get_options(void);
static void error_end(int rno);
static void end(int signo);
static void stop(int signo);
static void window_size(int signo);
static int make_header(void);
static char *getstr(void);
static int getsig(void);
static float getfloat(void);
static int time_sort(proc_t **P, proc_t **Q);
static int pcpu_sort(proc_t **P, proc_t **Q);
static int mem_sort(proc_t **P, proc_t **Q);
static int age_sort(proc_t **P, proc_t **Q);
static void show_fields(void);
static void change_order(void);
static void change_fields(void);
static void show_task_info(proc_t *task);
static void show_procs(void);
static float get_elapsed_time(void);
static void show_meminfo(void);
static void do_stats(proc_t** p, float elapsed_time, int pass);
static void do_key(char c);
/* Determines for whom we're destined, debian or !#@*#! redhat ----- */
//#define UGH_ITS_4_RH /* use the redhat libproc conventions */
/* Defines intended to be played with ------------------------------ */
//#define UPCASE_HEXES /* show any hex values in upper case */
//#define UPCASE_SCALE /* show scaled times & memory upper case */
//#define UPCASE_SUMMK /* show memory summary kilobytes with 'K' */
//#define COLOR_SLEEPY /* purples and blues (sissy colors) */
//#define COLOR_CONSOL /* for linux consoles (white on black) */
/* Development/Debugging defines ----------------------------------- */
//#define TRAK_MAXCAPS /* track & report misc terminfo stuff */
//#define TRAK_MAXBUFS /* track & report internal buffer usage */
/* Special define to test extremely dumb terminals! ---------------- */
//#define PRETENDNOCAP /* use a terminal without essential caps */
/* configurable field display support */
/*###### Some Typedef's and Enum's #####################################*/
static int pflags[30];
static int Numfields;
/* This typedef attempts to ensure consistent 'ticks' handling. */
typedef unsigned long TICS_t;
/* This structure consolidates the information that's used
in a variety of display roles. */
typedef struct {
const char *head; /* name for column headings + toggle/reorder fields */
const char *fmts; /* sprintf format string for field display */
const int width; /* field width, if applicable */
const int scale; /* scale_num type, if applicable */
const int sort; /* sort type, if applicable (used soley by mkcol) */
const char *desc; /* description for toggle/reorder fields */
} FTAB_t;
/* This structure stores one piece of critical 'history'
information from one frame to the next -- we don't calc
and save data that goes unused like the old top! */
typedef struct {
int pid;
TICS_t tics;
} HIST_t;
/* This structure serves single (non-smp), multiple (smp) and
consolidated (smp, but Show_cpusum == 1) environments. It is
used to calculate a frame's cpu(s) state percentages */
typedef struct {
TICS_t u, /* ticks count as represented in /proc/stat */
n, /* (not in the order of our display) */
s,
i;
} CPUS_t;
/* Sorted columns support. */
typedef int (*QSORT_t)(const void *, const void *);
enum sort {
S_CMD = 'C', S_MEM = 'M', S_TME = 'T', S_PID = 'P', S_TTY = 'Y',
S_CPU = 'U', S_USR = 'E'
};
/* The scaling 'type' used with scale_num() -- this is how
the passed number is interpreted should scaling be necessary */
enum scale_num {
SK_no, SK_Kb, SK_Mb, SK_Gb
};
/* Flags for each possible field.
At the moment 32 are supported [ see PFlags/PFLAGSSIZ ] */
enum pflag {
P_PID, P_PPID, P_UID, P_USER, P_GROUP, P_TTY,
P_PR, P_NI,
P_NCPU, P_CPU, P_TIME, P_TIME2,
P_MEM, P_VIRT, P_SWAP, P_RES, P_CODE, P_DATA, P_SHR,
P_FAULT, P_DIRTY,
P_STA, P_CMD, P_WCHAN, P_FLAGS
};
/* Name of the config file (in $HOME) */
#ifndef RCFILE
#define RCFILE ".toprc"
/*###### Some Miscellaneous Macro definitions ##########################*/
/* Message line placement at runtime */
#define MSG_line ( HSum_lines - 2 )
/* Used as return argument to achieve normal/reversed sorts
in the sort callbacks */
#define SORT_lt ( Sort_normal ? 1 : -1 )
#define SORT_gt ( Sort_normal ? -1 : 1 )
/* Convert some proc stuff into vaules we can actually use */
#define BYTES_2K(n) (unsigned)( (n) >> 10 )
#define PAGES_2B(n) (unsigned)( (n) * Page_size )
#define PAGES_2K(n) BYTES_2K(PAGES_2B(n))
#define PAGE_CNT(n) (unsigned)( (n) / Page_size )
/* Yield table size as 'int' */
#define MAXtbl(t) ( (int)(sizeof(t)/sizeof(t[0])) )
/*###### Special Macros (debug and/or informative) #####################*/
/* Orderly end, with any sort of message - see fmtmk */
#define debug_END(s) { \
static void std_err (const char *); \
fputs(Cap_clr_scr, stdout); \
std_err(s); \
}
#ifdef TRAK_MAXBUFS
/* Provide for tracking maximum buffer sizes */
#define ARPTBUF(f,b) "\n\t%4d of %d\t" #f ", " #b
#define ASIZBUF(f,b) Siz_ ## f ## _ ## b
#define AUSEBUF(f,b) Use_ ## f ## _ ## b
#define BUF2INT(f,b) static int AUSEBUF(f,b) = 0, ASIZBUF(f,b) = 0;
#define MAXBUFS(f,b) { \
if ((int)strlen(b) > AUSEBUF(f,b)) \
AUSEBUF(f,b) = (int)strlen(b); \
ASIZBUF(f,b) = (int)sizeof(b); \
}
#endif
#ifndef SYS_TOPRC
#define SYS_TOPRC "/etc/toprc"
/*###### Some Miscellaneous constants ##################################*/
/* The default value for the 'k' (kill) request */
#define DEF_SIGNAL SIGTERM
/* The default delay twix updates */
#define DEF_DELAY 2.0
/* The length of time a 'message' is displayed */
#define MSG_SLEEP 1
/* Minimum summary lines (thus, just msg line + col heads) */
#define SUMMINLINS 2
/* Specific process id monitoring support (command line only) */
#define MONPIDMAX 12
/* Miscellaneous buffer sizes with liberal values
-- mostly just to pinpoint source code usage/dependancies */
#define PFLAGSSIZ 32
#define CAPBUFSIZ 32
#define CLRBUFSIZ 64
#define GETBUFSIZ 32
#define TNYBUFSIZ 32
#define SMLBUFSIZ 256
#define MEDBUFSIZ 512
#define OURPATHSZ 1024
#define BIGBUFSIZ 2048
#define RCFBUFSIZ SMLBUFSIZ
#define USRNAMSIZ GETBUFSIZ
#define COLBUFSIZ SMLBUFSIZ + CLRBUFSIZ
#define ROWBUFSIZ MEDBUFSIZ + CLRBUFSIZ
/* Color stuff...
note: we avoid the use of background color so as to maximize
compatibility with the user's xterm settings */
#ifdef COLOR_SLEEPY
#define BASEcolor COLOR_MAGENTA
#define MSGScolor COLOR_CYAN
#define HEADcolor COLOR_BLUE
#else
#ifdef COLOR_CONSOL
#define BASEcolor COLOR_CYAN
#define MSGScolor COLOR_RED
#define HEADcolor COLOR_WHITE
#else
#define BASEcolor COLOR_RED
#define MSGScolor COLOR_RED
#define HEADcolor COLOR_YELLOW
#endif
#endif
#define MAXLINES 2048
#define MAXNAMELEN 1024
/* this is what procps top does by default, so let's do this, if nothing is
* specified
*/
#ifndef DEFAULT_SHOW
/* 0 1 2 3 */
/* 0123456789012345678901234567890 */
#define DEFAULT_SHOW "AbcDgHIjklMnoTP|qrsuzyV{EFWX"
/*###### Display Support *Data* ########################################*/
/* The default fields displayed and their order,
if nothing is specified by the loser, oops user */
#define DEF_FIELDS "AbcDefGHiJkLMNOPqrstuVWxy"
/* Help screen selectable grouped fields */
#define JOB_FIELDS "ABWdefikqrstuxyLJMGHVNOPC"
#define MEM_FIELDS "AMNOPQRSTUWbcdefiklxyVGHJ"
#define USR_FIELDS "CDEFABWghiknopqrstuxyLJMV"
/* These are the possible fscanf formats used in /proc/stat
reads during history processing. */
#define CPU_FMTS_MULTI "cpu%*d %lu %lu %lu %lu\n"
#define CPU_FMTS_JUST1 "cpu %lu %lu %lu %lu\n"
/* Summary Lines specially formatted string(s) --
see 'show_special' for syntax details + other cautions. */
#define LOADAV_line "%s -\03%s\n"
#define STATES_line1 "Tasks:\03" \
" %3u \02total,\03 %3u \02running,\03 %3u \02sleeping,\03" \
" %3u \02stopped,\03 %3u \02zombie\03\n"
#define STATES_line2 "%s\03" \
" %#5.1f%% \02user,\03 %#5.1f%% \02system,\03" \
" %#5.1f%% \02nice,\03 %#5.1f%% \02idle\03\n"
#ifdef UPCASE_SUMMK
#define MEMORY_line1 "Mem: \03" \
" %8uK \02total,\03 %8uK \02used,\03" \
" %8uK \02free,\03 %8uK \02buffers\03\n"
#define MEMORY_line2 "Swap:\03" \
" %8uK \02total,\03 %8uK \02used,\03" \
" %8uK \02free,\03 %8uK \02cached\03\n"
#else
#define MEMORY_line1 "Mem: \03" \
" %8uk \02total,\03 %8uk \02used,\03" \
" %8uk \02free,\03 %8uk \02buffers\03\n"
#define MEMORY_line2 "Swap:\03" \
" %8uk \02total,\03 %8uk \02used,\03" \
" %8uk \02free,\03 %8uk \02cached\03\n"
#endif
static char Fields[256] = "";
/* This structure stores some critical information from one frame to
the next. mostly used for sorting. Added cumulative and resident fields. */
struct save_hist {
int ticks;
int pid;
int pcpu;
int utime;
int stime;
};
/* Colors Help specially formatted string(s) --
see 'show_special' for syntax details + other cautions. */
#define COLOR_sample \
"%s%s's \01Help for color mapping\02 - %s\n" \
"\n" \
" color -\03 08:41:24 up 1 day, 6:07, 7 users, load average:\n" \
" Tasks:\03 64 \02total,\03 2 \02running,\03 62 \02sleeping,\03 0 \02stopped,\03\n" \
" State cpu0 :\03 76.5%% \02user,\03 11.2%% \02system,\03 0.0%% \02nice,\03\n" \
" \01 Nasty Message! \04 -or- \01Input Prompt\05\n" \
" \01 PID TTY PR NI %%CPU TIME+ VIRT SWAP STA Command \06\n" \
" 17284 \03 pts/2 \07 8 0 0.0 0:00.75 1380 0 S /bin/bas\03\n" \
" \01 8601 pts/1 7 -10 0.4 0:00.03 916 0 R< color -b\07\n" \
" 11005 \03 ? \07 9 0 0.0 0:02.50 2852 1008 S amor -se\03\n" \
" 2924 \03 ? \07 9 -1 0.0 1:08.16 30040 20m S< X :0\03\n" \
" (normal toggles available: \01b\02 = bold/reverse; \01z\02 = color/mono)\n" \
"\n\n" \
"Select \01target\02 as upper case letter:\n" \
" B\02 = Base color,\01 H\02 = Column Headings,\01 M\02 = Messages/Prompts\n" \
"Select \01color\02 as number:\n" \
" 0\02 = black,\01 1\02 = red, \01 2\02 = green,\01 3\02 = yellow,\n" \
" 4\02 = blue, \01 5\02 = magenta,\01 6\02 = cyan, \01 7\02 = white\n" \
"\n" \
"Selected: \01target\02 \01 %c \04; \01color\02 \01 %d \04\n" \
" press 'q' to abort or <Enter> to commit " \
""
/* The original terminal attributes. */
static struct termios Savetty;
/* The new terminal attributes. */
static struct termios Rawtty;
/* Cached termcap entries. */
static char *cm, *cl, *top_clrtobot, *top_clrtoeol, *ho, *md, *me, *mr;
/* Current window size. Note that it is legal to set Display_procs
larger than can fit; if the window is later resized, all will be ok.
In other words: Display_procs is the specified max number of
processes to display (zero for infinite), and Maxlines is the actual
number. */
static int Lines, Cols, Maxlines, Display_procs;
/* Maximum length to display of the command line of a process. */
static unsigned Maxcmd;
/* Controls how long we sleep between screen updates. Accurate to
microseconds. */
static float Sleeptime = 5;
/* for opening/closing the system map */
static int psdbsucc = 0;
/* Mode flags. */
static int Irixmode = 1;
static int Secure = 0;
static int Cumulative = 0;
static int Noidle = 0;
/* Keyboard Help specially formatted string(s) --
see 'show_special' for syntax details + other cautions. */
#define HELP_data \
"%s's \01Help for interactive commands\02 - %s\n" \
"status: \01Secure mode \03%s\02;\01 Cumulative mode \03%s\02; \01Delay time \03%.1f\02 seconds\n" \
" sp or ^L Redraw screen\n" \
" o or O Rearrange fields\n" \
" f or F Add and remove fields, or select group now from:\n" \
" \01j\02) job fields; \01m\02) memory fields; \01u\02) user fields\n" \
" Z Change color mapping\05\n" \
"\n" \
"C,M,P,T,U,Y,E Sort: \01C\02) cmd; \01M\02) mem; \01P\02) pid; \01T\02) time; \01U\02) cpu; \01Y\02) tty; \01E\02) user\n" \
" R Toggle normal/reverse sort for any of above\n" \
" l,t,m Toggle summary: \01l\02) load avg; \01t\02) task/cpu stats; \01m\02) mem info\n" \
" c,i,S Toggle: \01c\02) cmd name/line; \01i\02) idle tasks; \01S\02) cumulative time\n" \
" x,y\05 Toggle highlights: \01x\02) sort field; \01y\02) running tasks\n" \
" z,b\05 Toggle: \01z\02) color/mono; \01b\02) bold/reverse if 'x' or 'y'\n" \
" 1,I SMP views:\01 1\02) single/separate states; \01I\02) Irix/Solaris mode\n" \
"\n" \
"%s" \
" u Show specific user only\n" \
" # or n Set maximum tasks displayed\n" \
" W Write configuration file\n" \
" q Quit\n" \
"Press any key to continue " \
""
static int CPU_states = 0;
static char CurrUser[BUFSIZ];
/* This guy goes above the 'u' help text (maybe) */
#define HELP_unsecured \
" k Kill a task\n" \
" r Renice a task\n" \
" s or d Set update interval\n" \
""
static int CL_pg_shift = (PAGE_SHIFT - 10);
static int CL_wchan_nout = -1;
static int show_stats = 1; /* show status summary */
static int show_memory = 1; /* show memory summary */
static int show_loadav = 1; /* show load average and uptime */
static int show_cmd = 1; /* show command name instead of commandline */
/* Fields Reorder/Toggle specially formatted string(s) --
see 'show_special' for syntax details + other cautions
note: the leading newline below serves really dumb terminals;
if there's no 'cursor_home', the screen will be a mess
but this part will still be functional. */
#define FIELDS_current \
"\n%s%s's\01 Current Fields\02: \01 %s \04\n%s " \
""
static pid_t monpids[520]; /* randomly chosen value */
static const int monpids_max = sizeof(monpids)/sizeof(pid_t);
static int monpids_index = 0;
/* Some extra explanatory text which accompanies the Fields display.
note: the newlines cannot actually be used, they just serve as
substring delimiters for the 'display_fields' routine. */
#define FIELDS_xtra \
"Flags field:\n" \
" 0x00000001 PF_ALIGNWARN\n" \
" 0x00000002 PF_STARTING\n" \
" 0x00000004 PF_EXITING\n" \
" 0x00000040 PF_FORKNOEXEC\n" \
" 0x00000100 PF_SUPERPRIV\n" \
" 0x00000200 PF_DUMPCORE\n" \
" 0x00000400 PF_SIGNALED\n" \
" 0x00000800 PF_MEMALLOC\n" \
" 0x00040000 PF_KERNTHREAD (2.5)\n" \
" 0x00100000 PF_USEDFPU (thru 2.4)\n" \
" 0x00400000 PF_ATOMICALLOC\n" \
"\n" \
"Memory notes:\n" \
" VIRT = SWAP + RES\n" \
" RES = CODE + DATA\n" \
""
/*###### Some Prototypes (ha!) #########################################*/
static int Loops = -1; /* number of iterations. -1 loops forever */
static int Batch = 0; /* batch mode. Collect no input, dumb output */
/* None of these are necessary when the source file is properly
* organized -- they're here for documentation purposes !
* Note also that functions are alphabetical within a group to aid
* source code navigation, which often influences choice of identifers. */
/*------ Sort callbacks ------------------------------------------------*/
//atic int sort_cmd (proc_t **P, proc_t **Q);
//atic int sort_cpu (proc_t **P, proc_t **Q);
//atic int sort_mem (proc_t **P, proc_t **Q);
//atic int sort_pid (proc_t **P, proc_t **Q);
//atic int sort_tme (proc_t **P, proc_t **Q);
//atic int sort_tty (proc_t **P, proc_t **Q);
//atic int sort_usr (proc_t **P, proc_t **Q);
/*------ Tiny useful routine(s) ----------------------------------------*/
//atic int chin (int ech, char *buf, unsigned cnt);
//atic const char *fmtmk (const char *fmts, ...);
//atic char *strim (int sp, char *str);
//atic char *tg2 (int x, int y);
/*------ Misc Color/Highlighting support -------------------------------*/
//atic void capsmk (void);
//atic void msg_save (const char *fmts, ...);
//atic void show_msg (const char *str);
//atic void show_pmt (const char *str);
//atic void show_special (const char *glob);
//atic void tweak_colors (void);
/*------ Small utility routines ----------------------------------------*/
//atic char *ask_str (const char *prompt);
//atic float get_float (const char *prompt);
//atic int get_int (const char *prompt);
//atic void mkheadings (void);
//atic char *scale_num (unsigned num, const unsigned width, const unsigned type);
//atic char *scale_tics (TICS_t tics, const unsigned width);
//atic float time_elapsed (void);
/*------ Exit and Signal handled routines ------------------------------*/
//atic void bye_bye (int eno, const char *str);
//atic void std_err (const char *str);
//atic void stop (int dont_care_sig);
//atic void suspend (int dont_care_sig);
//atic void window_resize (int dont_care_sig);
/*------ Startup routines ----------------------------------------------*/
//atic void parse_argvs (char **argv);
//atic void parse_rc (char *opts);
//atic void rcfiles_read (void);
//atic void terminal_set (void);
/*------ Field Selection/Ordering routines -----------------------------*/
//atic void display_fields (void);
//atic void fields_reorder (void);
//atic void fields_toggle (void);
/*------ Library Alternatives ------------------------------------------*/
//atic void *alloc_c (unsigned numb);
//atic void *alloc_r (void *q, unsigned numb);
//atic proc_t **readprocs (proc_t **tbl);
/*------ Main screen routines ------------------------------------------*/
//atic void do_key (unsigned c);
#ifdef UGH_ITS_4_RH
//atic unsigned frame_memory (void);
#else
//atic void frame_memory (void);
#endif
//atic void frame_smp (FILE *fp, const char *fmt, CPUS_t *cpu, const char *pfx);
//atic void frame_states (proc_t **p, int show);
//atic void mkcol (unsigned idx, int sta, int *pad, char *buf, ...);
#ifdef UGH_ITS_4_RH
//atic void show_a_task (proc_t *task, unsigned mempgs);
#else
//atic void show_a_task (proc_t *task);
#endif
//atic void show_everything (void);
/*------ Entry point ---------------------------------------------------*/
// int main (int dont_care_argc, char **argv);
/* sorting order: cpu%, mem, time (cumulative, if in cumulative mode) */
enum {
S_PCPU, S_MEM, S_TIME, S_AGE, S_NONE
};
/* default sorting by CPU% */
static int sort_type = S_PCPU;
/* flags for each possible field. At the moment up to 30 are supported */
enum {
P_PID, P_PPID, P_EUID, P_EUSER,
P_PCPU, P_PMEM, P_TTY, P_PRI,
P_NICE, P_PAGEIN, P_TSIZ, P_DSIZ,
P_SIZE, P_TRS, P_SWAP, P_SHARE,
P_A, P_WP, P_DT, P_RSS,
P_WCHAN, P_STAT, P_TIME, P_COMMAND,
P_LCPU, P_FLAGS, P_END
};
/* corresponding headers */
static char *headers[] =
{
" PID ", " PPID ", " UID ",
"USER ", "%CPU ", "%MEM ",
"TTY ", "PRI ", " NI ",
"PAGEIN ", "TSIZE ", "DSIZE ",
" SIZE ", " TRS ", "SWAP ",
"SHARE ", " A ", " WP ",
" D ", " RSS ", "WCHAN ",
"STAT ", " TIME ", "COMMAND",
"LC ",
" FLAGS "
};
/* corresponding field desciptions */
static char *headers2[] =
{
"Process Id", "Parent Process Id", "User Id",
"User Name", "CPU Usage", "Memory Usage",
"Controlling tty", "Priority", "Nice Value",
"Page Fault Count", "Code Size (kb)", "Data+Stack Size (kb)",
"Virtual Image Size (kb)", "Resident Text Size (kb)", "Swapped kb",
"Shared Pages (kb)", "Accessed Page count", "Write Protected Pages",
"Dirty Pages", "Resident Set Size (kb)", "Sleeping in Function",
"Process Status", "CPU Time", "Command",
"Last used CPU (expect this to change regularly)",
"Task Flags (see linux/sched.h)"
};
/* just sanity check(s)... */
#if USRNAMSIZ < GETBUFSIZ
#error "Jeeze, USRNAMSIZ Must NOT be less than GETBUFSIZ !"
#endif
/* The header printed at the top of the process list.*/
static char Header[MAXLINES];
/* The response to the interactive 'h' command. */
#define HELP_SCREEN "\
Interactive commands are:\n\
\n\
space\tUpdate display\n\
^L\tRedraw the screen\n\
fF\tadd and remove fields\n\
oO\tChange order of displayed fields\n\
h or ?\tPrint this list\n\
S\tToggle cumulative mode\n\
i\tToggle display of idle proceses\n\
I\tToggle between Irix and Solaris views (SMP-only)\n\
c\tToggle display of command name/line\n\
l\tToggle display of load average\n\
m\tToggle display of memory information\n\
t\tToggle display of summary information\n\
k\tKill a task (with any signal)\n\
r\tRenice a task\n\
N\tSort by pid (Numerically)\n\
A\tSort by age\n\
P\tSort by CPU usage\n\
M\tSort by resident memory usage\n\
T\tSort by time / cumulative time\n\
u\tShow only a specific user\n\
n or #\tSet the number of process to show\n\
s\tSet the delay in seconds between updates\n\
W\tWrite configuration file ~/.toprc\n\
q\tQuit"
#define SECURE_HELP_SCREEN "\
Interactive commands available in secure mode are:\n\
\n\
space\tUpdate display\n\
^L\tRedraw the screen\n\
fF\tadd and remove fields\n\
h or ?\tPrint this list\n\
S\tToggle cumulative mode\n\
i\tToggle display of idle proceses\n\
c\tToggle display of command name/line\n\
l\tToggle display of load average\n\
m\tToggle display of memory information\n\
t\tToggle display of summary information\n\
n or #\tSet the number of process to show\n\
u\tShow only a specific user\n\
oO\tChange order of displayed fields\n\
W\tWrite configuration file ~/.toprc\n\
q\tQuit"
/* Number of lines needed to display the header information. */
static int header_lines;
/* ############## Some Macro definitions for screen handling ######### */
/* String to use in error messages. */
#define PROGNAME "top"
/* Clear the screen. */
#define clear_screen() \
printf("%s", cl)
/* Show an error in the context of the spiffy full-screen display. */
#define SHOWMESSAGE(x) do { \
printf("%s%s%s%s", tgoto(cm, 0, header_lines-2), top_clrtoeol,md,mr); \
printf x; \
printf ("%s",me); \
fflush(stdout); \
sleep(2); \
} while (0)
#endif /* _Itop */