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top: show CPU time stolen from a virtual machine

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This commit is contained in:
albert
2006-06-25 02:15:36 +00:00
parent 1e73c7b8bc
commit 9278134e49
7 changed files with 65 additions and 39 deletions
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31
proc/sysinfo.c
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@ -238,11 +238,11 @@ static void init_libproc(void){
#define NAN (-0.0)
#endif
#define JT unsigned long long
void seven_cpu_numbers(double *restrict uret, double *restrict nret, double *restrict sret, double *restrict iret, double *restrict wret, double *restrict xret, double *restrict yret){
double tmp_u, tmp_n, tmp_s, tmp_i, tmp_w, tmp_x, tmp_y;
void eight_cpu_numbers(double *restrict uret, double *restrict nret, double *restrict sret, double *restrict iret, double *restrict wret, double *restrict xret, double *restrict yret, double *restrict zret){
double tmp_u, tmp_n, tmp_s, tmp_i, tmp_w, tmp_x, tmp_y, tmp_z;
double scale; /* scale values to % */
static JT old_u, old_n, old_s, old_i, old_w, old_x, old_y;
JT new_u, new_n, new_s, new_i, new_w, new_x, new_y;
static JT old_u, old_n, old_s, old_i, old_w, old_x, old_y, old_z;
JT new_u, new_n, new_s, new_i, new_w, new_x, new_y, new_z;
JT ticks_past; /* avoid div-by-0 by not calling too often :-( */
tmp_w = 0.0;
@ -251,10 +251,12 @@ void seven_cpu_numbers(double *restrict uret, double *restrict nret, double *res
new_x = 0;
tmp_y = 0.0;
new_y = 0;
tmp_z = 0.0;
new_z = 0;
FILE_TO_BUF(STAT_FILE,stat_fd);
sscanf(buf, "cpu %Lu %Lu %Lu %Lu %Lu %Lu %Lu", &new_u, &new_n, &new_s, &new_i, &new_w, &new_x, &new_y);
ticks_past = (new_u+new_n+new_s+new_i+new_w+new_x+new_y)-(old_u+old_n+old_s+old_i+old_w+old_x+old_y);
sscanf(buf, "cpu %Lu %Lu %Lu %Lu %Lu %Lu %Lu %Lu", &new_u, &new_n, &new_s, &new_i, &new_w, &new_x, &new_y, &new_z);
ticks_past = (new_u+new_n+new_s+new_i+new_w+new_x+new_y+new_z)-(old_u+old_n+old_s+old_i+old_w+old_x+old_y+old_z);
if(ticks_past){
scale = 100.0 / (double)ticks_past;
tmp_u = ( (double)new_u - (double)old_u ) * scale;
@ -264,6 +266,7 @@ void seven_cpu_numbers(double *restrict uret, double *restrict nret, double *res
tmp_w = ( (double)new_w - (double)old_w ) * scale;
tmp_x = ( (double)new_x - (double)old_x ) * scale;
tmp_y = ( (double)new_y - (double)old_y ) * scale;
tmp_z = ( (double)new_z - (double)old_z ) * scale;
}else{
tmp_u = NAN;
tmp_n = NAN;
@ -272,21 +275,24 @@ void seven_cpu_numbers(double *restrict uret, double *restrict nret, double *res
tmp_w = NAN;
tmp_x = NAN;
tmp_y = NAN;
tmp_z = NAN;
}
SET_IF_DESIRED(uret, tmp_u);
SET_IF_DESIRED(nret, tmp_n);
SET_IF_DESIRED(sret, tmp_s);
SET_IF_DESIRED(iret, tmp_i);
SET_IF_DESIRED(wret, tmp_w);
SET_IF_DESIRED(iret, tmp_x);
SET_IF_DESIRED(wret, tmp_y);
SET_IF_DESIRED(xret, tmp_x);
SET_IF_DESIRED(yret, tmp_y);
SET_IF_DESIRED(zret, tmp_z);
old_u=new_u;
old_n=new_n;
old_s=new_s;
old_i=new_i;
old_w=new_w;
old_i=new_x;
old_w=new_y;
old_x=new_x;
old_y=new_y;
old_z=new_z;
}
#undef JT
#endif
@ -361,7 +367,7 @@ static void getrunners(unsigned int *restrict running, unsigned int *restrict bl
/***********************************************************************/
void getstat(jiff *restrict cuse, jiff *restrict cice, jiff *restrict csys, jiff *restrict cide, jiff *restrict ciow, jiff *restrict cxxx, jiff *restrict cyyy,
void getstat(jiff *restrict cuse, jiff *restrict cice, jiff *restrict csys, jiff *restrict cide, jiff *restrict ciow, jiff *restrict cxxx, jiff *restrict cyyy, jiff *restrict czzz,
unsigned long *restrict pin, unsigned long *restrict pout, unsigned long *restrict s_in, unsigned long *restrict sout,
unsigned *restrict intr, unsigned *restrict ctxt,
unsigned int *restrict running, unsigned int *restrict blocked,
@ -384,9 +390,10 @@ void getstat(jiff *restrict cuse, jiff *restrict cice, jiff *restrict csys, jiff
*ciow = 0; /* not separated out until the 2.5.41 kernel */
*cxxx = 0; /* not separated out until the 2.6.0-test4 kernel */
*cyyy = 0; /* not separated out until the 2.6.0-test4 kernel */
*czzz = 0; /* not separated out until the 2.6.11 kernel */
b = strstr(buff, "cpu ");
if(b) sscanf(b, "cpu %Lu %Lu %Lu %Lu %Lu %Lu %Lu", cuse, cice, csys, cide, ciow, cxxx, cyyy);
if(b) sscanf(b, "cpu %Lu %Lu %Lu %Lu %Lu %Lu %Lu %Lu", cuse, cice, csys, cide, ciow, cxxx, cyyy, czzz);
b = strstr(buff, "page ");
if(b) sscanf(b, "page %lu %lu", pin, pout);