92 lines
4.3 KiB
Plaintext
92 lines
4.3 KiB
Plaintext
--- ps/common.h
|
|
+++ ps/common.h 2008-09-16 16:57:14.862641102 +0000
|
|
@@ -302,6 +302,7 @@ extern int running_only;
|
|
extern int screen_cols;
|
|
extern int screen_rows;
|
|
extern unsigned long seconds_since_boot;
|
|
+extern unsigned long long jiffies_since_boot;
|
|
extern selection_node *selection_list;
|
|
extern unsigned simple_select;
|
|
extern sort_node *sort_list;
|
|
--- ps/global.c
|
|
+++ ps/global.c 2008-09-16 16:56:28.218297961 +0000
|
|
@@ -70,6 +70,7 @@ int prefer_bsd_defaults = -1
|
|
int screen_cols = -1;
|
|
int screen_rows = -1;
|
|
unsigned long seconds_since_boot = -1;
|
|
+unsigned long long jiffies_since_boot = -1;
|
|
selection_node *selection_list = (selection_node *)0xdeadbeef;
|
|
unsigned simple_select = 0xffffffff;
|
|
sort_node *sort_list = (sort_node *)0xdeadbeef; /* ready-to-use sort list */
|
|
@@ -357,6 +358,7 @@ static const char *set_personality(void)
|
|
/************ Call this to reinitialize everything ***************/
|
|
void reset_global(void){
|
|
static proc_t p;
|
|
+ double uptime_secs;
|
|
reset_selection_list();
|
|
look_up_our_self(&p);
|
|
set_screen_size();
|
|
@@ -380,7 +382,8 @@ void reset_global(void){
|
|
negate_selection = 0;
|
|
page_size = getpagesize();
|
|
running_only = 0;
|
|
- seconds_since_boot = uptime(0,0);
|
|
+ seconds_since_boot = uptime(&uptime_secs,0);
|
|
+ jiffies_since_boot = ((long double)uptime_secs * Hertz);
|
|
selection_list = NULL;
|
|
simple_select = 0;
|
|
sort_list = NULL;
|
|
--- ps/output.c
|
|
+++ ps/output.c 2010-02-18 11:21:40.112125962 +0000
|
|
@@ -426,11 +426,12 @@ static int pr_etime(char *restrict const
|
|
static int pr_c(char *restrict const outbuf, const proc_t *restrict const pp){
|
|
unsigned long long total_time; /* jiffies used by this process */
|
|
unsigned pcpu = 0; /* scaled %cpu, 99 means 99% */
|
|
- unsigned long long seconds; /* seconds of process life */
|
|
+ unsigned long long jiffies; /* jiffies of process life */
|
|
+ double uptime_secs;
|
|
total_time = pp->utime + pp->stime;
|
|
if(include_dead_children) total_time += (pp->cutime + pp->cstime);
|
|
- seconds = seconds_since_boot - pp->start_time / Hertz;
|
|
- if(seconds) pcpu = (total_time * 100ULL / Hertz) / seconds;
|
|
+ jiffies = jiffies_since_boot - pp->start_time;
|
|
+ if(jiffies) pcpu = (total_time * 100ULL) / jiffies;
|
|
if (pcpu > 99U) pcpu = 99U;
|
|
return snprintf(outbuf, COLWID, "%2u", pcpu);
|
|
}
|
|
@@ -438,24 +439,26 @@ static int pr_c(char *restrict const out
|
|
static int pr_pcpu(char *restrict const outbuf, const proc_t *restrict const pp){
|
|
unsigned long long total_time; /* jiffies used by this process */
|
|
unsigned pcpu = 0; /* scaled %cpu, 999 means 99.9% */
|
|
- unsigned long long seconds; /* seconds of process life */
|
|
+ unsigned long long jiffies; /* jiffies of process life */
|
|
+ double uptime_secs;
|
|
total_time = pp->utime + pp->stime;
|
|
if(include_dead_children) total_time += (pp->cutime + pp->cstime);
|
|
- seconds = seconds_since_boot - pp->start_time / Hertz;
|
|
- if(seconds) pcpu = (total_time * 1000ULL / Hertz) / seconds;
|
|
- if (pcpu > 999U)
|
|
- return snprintf(outbuf, COLWID, "%u", pcpu/10U);
|
|
+ jiffies = jiffies_since_boot - pp->start_time;
|
|
+ if(jiffies) pcpu = (total_time * 1000ULL) / jiffies;
|
|
+ if (pcpu/10U >= 100U) /* do not confuse the user by scale effects */
|
|
+ return snprintf(outbuf, COLWID, "100");
|
|
return snprintf(outbuf, COLWID, "%u.%u", pcpu/10U, pcpu%10U);
|
|
}
|
|
/* this is a "per-mill" format, like %cpu with no decimal point */
|
|
static int pr_cp(char *restrict const outbuf, const proc_t *restrict const pp){
|
|
unsigned long long total_time; /* jiffies used by this process */
|
|
unsigned pcpu = 0; /* scaled %cpu, 999 means 99.9% */
|
|
- unsigned long long seconds; /* seconds of process life */
|
|
+ unsigned long long jiffies; /* jiffies of process life */
|
|
+ double uptime_secs;
|
|
total_time = pp->utime + pp->stime;
|
|
if(include_dead_children) total_time += (pp->cutime + pp->cstime);
|
|
- seconds = seconds_since_boot - pp->start_time / Hertz ;
|
|
- if(seconds) pcpu = (total_time * 1000ULL / Hertz) / seconds;
|
|
+ jiffies = jiffies_since_boot - pp->start_time;
|
|
+ if(jiffies) pcpu = (total_time * 1000ULL) / jiffies;
|
|
if (pcpu > 999U) pcpu = 999U;
|
|
return snprintf(outbuf, COLWID, "%3u", pcpu);
|
|
}
|