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load average measurement implementation, accessable through

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getloadavg() system call in the library.
This commit is contained in:
Ben Gras
2005-11-14 15:50:46 +00:00
parent aabef59faa
commit 87f2236ad2
7 changed files with 59 additions and 0 deletions
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7
kernel/start.c
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@@ -29,6 +29,7 @@ U16_t parmoff, parmsize; /* boot parameters offset and length */
char params[128*sizeof(char *)]; /* boot monitor parameters */
register char *value; /* value in key=value pair */
extern int etext, end;
int h;
/* Decide if mode is protected; 386 or higher implies protected mode.
* This must be done first, because it is needed for, e.g., seg2phys().
@@ -64,6 +65,12 @@ U16_t parmoff, parmsize; /* boot parameters offset and length */
kinfo.kmem_base = vir2phys(0);
kinfo.kmem_size = (phys_bytes) &end;
/* Load average data initialization. */
kloadinfo.procs_enqueued = 0;
kloadinfo.proc_last_slot = 0;
for(h = 0; h < _LOAD_HISTORY; h++)
kloadinfo.proc_load_history[h] = 0;
/* Processor? 86, 186, 286, 386, ...
* Decide if mode is protected for older machines.
*/