Displaying 3 results from an estimated 3 matches for "statclock".
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stat_lock
2006 Mar 02
1
Failing to understand getrusage()
I'm failing to understand how getrusage() works, which is a bit perplexing,
because it doesn't seem like it would be terribly complicated.
I've attached the code. My aim is to verify that I can use getrusage() to
do (admittedly crude) instrumentation of which functions in my program are
allocating lots of memory[1]. So I figure I can call getrusage() at various
points and look at
2003 Jun 27
3
alternate system clock has died
Hi,
I'm getting the message in the subject when I run systat -vm on a lightly
loaded server. Top shows interesting CPU usage %:
CPU states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 0.0% idle
Some Googling tells me that a fix for this went in around 1998 in
sys/i386/isa/clock.c, see
http://www.geocrawler.com/archives/3/159/1998/7/0/777198/
(fix verified to be present in
2011 Feb 22
0
Advice/suggestions on using a stacked barplot with "zoo"?
...of the corresponding
environment, quite apart from any coirresponding values from other
samples.
One set of data that serve to illustrate what I'm doing is counters
for CPU state. The way this works is that the system receives a
periodic interrupt and uses the occasion of servicing this "statclock"
interrupt to sample the CPU state and increment a corresponding
counter.
At any given moment, the CPU is considered to be in one of 5 states:
* user
* nice
* system
* interrupt
* idle
There is a separate counter for each of these 5 states; at boot time,
each counter starts at 0, and at eac...