d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Temporarily disable the printf() for micruptime() going backwards, the

Browse Source 
SIGXCPU signal, and killing of processes that exceed their allowed run
time until they can play nice with sched_lock.  Right now they are just
potentital panics waiting to happen.  The printf() has bitten several
people.
This commit is contained in:
John Baldwin 2001-01-20 02:57:59 +00:00
parent c1ef8aac9e
commit 049ebc15a1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=71288
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/kern/kern_synch.c
View File

@ -925,9 +925,12 @@ mi_switch()
*/
microuptime(&new_switchtime);
if (timevalcmp(&new_switchtime, PCPU_PTR(switchtime), <)) {
#if 0
/* XXX: This doesn't play well with sched_lock right now. */
printf("microuptime() went backwards (%ld.%06ld -> %ld.%06ld)\n",
PCPU_GET(switchtime.tv_sec), PCPU_GET(switchtime.tv_usec),
new_switchtime.tv_sec, new_switchtime.tv_usec);
#endif
new_switchtime = PCPU_GET(switchtime);
} else {
p->p_runtime += (new_switchtime.tv_usec - PCPU_GET(switchtime.tv_usec)) +
@ -935,6 +938,7 @@ mi_switch()
(int64_t)1000000;
}
#if 0
/*
* Check if the process exceeds its cpu resource allocation.
* If over max, kill it.
@ -954,6 +958,7 @@ mi_switch()
}
}
}
#endif
/*
* Pick a new current process and record its start time.