diff options
Diffstat (limited to 'm-template')
| -rw-r--r-- | m-template | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/m-template b/m-template deleted file mode 100644 index 569b0e0fccd2..000000000000 --- a/m-template +++ /dev/null @@ -1,241 +0,0 @@ -/* - * top - a top users display for Unix - * - * THIS IS A TEMPLATE FILE FOR A MACHINE DEPENDENT (m_...c) FILE - * - * SYNOPSIS: one line description of machine this module works with - * - * DESCRIPTION: - * Detailed description of this machine dependent module. - * It can be multiple lines, but a blank comment line (one with only an - * asterisk) is considered to end it. Place here a complete list of - * the machines and OS versions that this module works on. - * - * LIBS: list of special libraries to include at link step (REMOVE THIS LINE IF NOT NEEDED) - * - * AUTHOR: your name and <your@internet.address> - */ - -#include "top.h" -#include "machine.h" - - -/* - * These definitions control the format of the per-process area - */ - -static char header[] = - " PID X PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND"; -/* 0123456 -- field to fill in starts at header+6 */ -#define UNAME_START 6 - -#define Proc_format \ - "%5d %-8.8s %3d %4d%6dK %4dK %-5s%4d:%02d %5.2f%% %5.2f%% %.14s" - -/* these are for detailing the process states */ - -int process_states[?]; -char *procstatenames[] = { - "", " sleeping, ", " ABANDONED, ", " running, ", " starting, ", - " zombie, ", " stopped, ", - NULL -}; - -/* these are for detailing the cpu states */ - -int cpu_states[?]; -char *cpustatenames[] = { - "user", "nice", "system", "idle", - NULL -}; - -/* these are for detailing the memory statistics */ - -int memory_stats[?]; -char *memorynames[] = { - "K available, ", "K in use, ", "K free, ", "K locked", NULL -}; - -/* useful externals */ -extern int errno; -extern char *sys_errlist[]; - -long lseek(); -long time(); -long percentages(); - -machine_init(statics) - -struct statics *statics; - -{ - return(0); -} - -char *format_header(uname_field) - -register char *uname_field; - -{ - register char *ptr; - - ptr = header + UNAME_START; - while (*uname_field != '\0') - { - *ptr++ = *uname_field++; - } - - return(header); -} - -get_system_info(si) - -struct system_info *si; - -{ -} - -static struct handle handle; - -caddr_t get_process_info(si, sel, compare) - -struct system_info *si; -struct process_select *sel; -int (*compare)(); - -{ - return((caddr_t)&handle); -} - -char fmt[128]; /* static area where result is built */ - -/* define what weighted cpu is. */ -#define weighted_cpu(pct, pp) ((pp)->p_time == 0 ? 0.0 : \ - ((pct) / (1.0 - exp((pp)->p_time * logcpu)))) - -char *format_next_process(handle, get_userid) - -caddr_t handle; -char *(*get_userid)(); - -{ - return(fmt); -} - -/* - * getkval(offset, ptr, size, refstr) - get a value out of the kernel. - * "offset" is the byte offset into the kernel for the desired value, - * "ptr" points to a buffer into which the value is retrieved, - * "size" is the size of the buffer (and the object to retrieve), - * "refstr" is a reference string used when printing error meessages, - * if "refstr" starts with a '!', then a failure on read will not - * be fatal (this may seem like a silly way to do things, but I - * really didn't want the overhead of another argument). - * - */ - -getkval(offset, ptr, size, refstr) - -unsigned long offset; -int *ptr; -int size; -char *refstr; - -{ - if (kvm_read(kd, offset, ptr, size) != size) - { - if (*refstr == '!') - { - return(0); - } - else - { - fprintf(stderr, "top: kvm_read for %s: %s\n", - refstr, sys_errlist[errno]); - quit(23); - } - } - return(1); -} - -/* comparison routine for qsort */ -/* NOTE: this is specific to the BSD proc structure, but it should - give you a good place to start. */ - -/* - * proc_compare - comparison function for "qsort" - * Compares the resource consumption of two processes using five - * distinct keys. The keys (in descending order of importance) are: - * percent cpu, cpu ticks, state, resident set size, total virtual - * memory usage. The process states are ordered as follows (from least - * to most important): WAIT, zombie, sleep, stop, start, run. The - * array declaration below maps a process state index into a number - * that reflects this ordering. - */ - -static unsigned char sorted_state[] = -{ - 0, /* not used */ - 3, /* sleep */ - 1, /* ABANDONED (WAIT) */ - 6, /* run */ - 5, /* start */ - 2, /* zombie */ - 4 /* stop */ -}; - -proc_compare(pp1, pp2) - -struct proc **pp1; -struct proc **pp2; - -{ - register struct proc *p1; - register struct proc *p2; - register int result; - register pctcpu lresult; - - /* remove one level of indirection */ - p1 = *pp1; - p2 = *pp2; - - /* compare percent cpu (pctcpu) */ - if ((lresult = p2->p_pctcpu - p1->p_pctcpu) == 0) - { - /* use cpticks to break the tie */ - if ((result = p2->p_cpticks - p1->p_cpticks) == 0) - { - /* use process state to break the tie */ - if ((result = sorted_state[p2->p_stat] - - sorted_state[p1->p_stat]) == 0) - { - /* use priority to break the tie */ - if ((result = p2->p_pri - p1->p_pri) == 0) - { - /* use resident set size (rssize) to break the tie */ - if ((result = p2->p_rssize - p1->p_rssize) == 0) - { - /* use total memory to break the tie */ - result = PROCSIZE(p2) - PROCSIZE(p1); - } - } - } - } - } - else - { - result = lresult < 0 ? -1 : 1; - } - - return(result); -} - -proc_owner(pid) - -int pid; - -{ - /* returns uid of owner of process pid */ - return(uid); -} - |