Kim,
I got the tarball to which you'd put up the link earlier on in the mailing
list. I got your module to work no problem there!
But, I have a question:
All the Ganglia modules have a metric array. The mod_cpu has this:
static Ganglia_25metric cpu_metric_info[] =
{
{0, "cpu_num", 1200, GANGLIA_VALUE_UNSIGNED_SHORT, "CPUs", "zero",
"%hu", UDP_HEADER_SIZE+8, "Total number of CPUs"},
{0, "cpu_speed", 1200, GANGLIA_VALUE_UNSIGNED_INT, "MHz", "zero",
"%u", UDP_HEADER_SIZE+8, "CPU Speed in terms of MHz"},
{0, "cpu_user", 90, GANGLIA_VALUE_FLOAT, "%", "both",
"%.1f", UDP_HEADER_SIZE+8, "Percentage of CPU utilization that occurred
while executing at the user level"},
{0, "cpu_nice", 90, GANGLIA_VALUE_FLOAT, "%", "both",
"%.1f", UDP_HEADER_SIZE+8, "Percentage of CPU utilization that occurred
while executing at the user level with nice priority"},
{0, "cpu_system", 90, GANGLIA_VALUE_FLOAT, "%", "both",
"%.1f", UDP_HEADER_SIZE+8, "Percentage of CPU utilization that occurred
while executing at the system level"},
{0, "cpu_idle", 90, GANGLIA_VALUE_FLOAT, "%", "both",
"%.1f", UDP_HEADER_SIZE+8, "Percentage of time that the CPU or CPUs were
idle and the system did not have an outstanding disk I/O request"},
{0, "cpu_aidle", 3800, GANGLIA_VALUE_FLOAT, "%", "both",
"%.1f", UDP_HEADER_SIZE+8, "Percent of time since boot idle CPU"},
{0, "cpu_wio", 90, GANGLIA_VALUE_FLOAT, "%", "both",
"%.1f", UDP_HEADER_SIZE+8, "Percentage of time that the CPU or CPUs were
idle during which the system had an outstanding disk I/O request"},
{0, "cpu_intr", 90, GANGLIA_VALUE_FLOAT, "%", "both",
"%.1f", UDP_HEADER_SIZE+8, "cpu_intr"},
{0, "cpu_sintr", 90, GANGLIA_VALUE_FLOAT, "%", "both",
"%.1f", UDP_HEADER_SIZE+8, "cpu_sintr"},
{0, NULL}
};
Now, what if the number of metrics that my module monitors changes? Ie If I
want to monitor 5 metrics today but 10 tomorrow- Is it possible to
dynamically initialize the metrics somehow?
Will the following work:
For (how many ever metrics)
{
cpu_metric_info[i]= appropriate string
}
And put this for loop in the metric_init function..
Will that do the trick?
Thanks,
Sylvester
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