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mem alloc change #1

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This commit is contained in:
albert 2002-10-13 07:28:51 +00:00
parent bdf87326d2
commit 44d77559ad
1 changed files with 11 additions and 12 deletions
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23
top.c
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@ -1740,18 +1740,18 @@ static void cpudo (CPUS_t *cpu, const char *pfx)
* AND establish the total number of tasks for this frame! */
static void frame_states (proc_t **ppt, int show)
{
static HIST_t *hist_sav = NULL;
static unsigned hist_siz;
static HIST_t *hist_sav;
static unsigned hist_siz; // number of structs
HIST_t *hist_new;
unsigned total, running, sleeping, stopped, zombie;
int i;
if (!hist_sav) {
Frame_maxtask = 0;
hist_siz = (Page_size / sizeof(HIST_t));
hist_sav = alloc_c(hist_siz);
hist_siz = 100;
hist_sav = alloc_c(sizeof(HIST_t)*hist_siz);
}
hist_new = alloc_c(hist_siz);
hist_new = alloc_c(sizeof(HIST_t)*hist_siz);
total = running = sleeping = stopped = zombie = 0;
time_elapsed();
@ -1775,10 +1775,10 @@ static void frame_states (proc_t **ppt, int show)
running++;
break;
}
if (total * sizeof(HIST_t) >= hist_siz) {
hist_siz += (Page_size / sizeof(HIST_t));
hist_sav = alloc_r(hist_sav, hist_siz);
hist_new = alloc_r(hist_new, hist_siz);
if (total >= hist_siz) {
hist_siz = hist_siz * 5 / 4 + 1; // grow by at least 25%
hist_sav = alloc_r(hist_sav, sizeof(HIST_t)*hist_siz);
hist_new = alloc_r(hist_new, sizeof(HIST_t)*hist_siz);
}
/* calculate time in this process; the sum of user time (utime)
+ system time (stime) -- but PLEASE dont waste time and effort on
@ -1825,9 +1825,8 @@ static void frame_states (proc_t **ppt, int show)
}
} /* end: if 'show' */
/* save this frame's information */
memcpy(hist_sav, hist_new, hist_siz);
free(hist_new);
free(hist_sav);
hist_sav = hist_new;
/* shout results to the world (and us too, the next time around) */
Frame_maxtask = total;
}