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7c8bd1e394
git-svn-id: svn://svn.code.sf.net/p/muninlite/code/muninlite@1 35caa317-6b62-4e8a-81c0-b04f0c356266
22 lines
1 KiB
Text
22 lines
1 KiB
Text
config_interrupts() {
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echo "graph_title Interrupts & context switches"
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echo "graph_args --base 1000 -l 0"
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echo "graph_vlabel interrupts & ctx switches / \${graph_period}"
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echo "graph_category system"
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echo "graph_info This graph shows the number of interrupts and context switches on the system. These are typically high on a busy system."
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echo "intr.info Interrupts are events that alter sequence of instructions executed by a processor. They can come from either hardware (exceptions, NMI, IRQ) or software."
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echo "ctx.info A context switch occurs when a multitasking operatings system suspends the currently running process, and starts executing another."
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echo "intr.label interrupts"
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echo "ctx.label context switches"
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echo "intr.type DERIVE"
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echo "ctx.type DERIVE"
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echo "intr.max 100000"
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echo "ctx.max 100000"
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echo "intr.min 0"
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echo "ctx.min 0"
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}
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fetch_interrupts() {
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IINFO=$(cat /proc/stat)
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echo "ctx.value" $(echo "$IINFO" | grep "^ctxt" | cut -d\ -f2)
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echo "intr.value" $(echo "$IINFO" | grep "^intr" | cut -d\ -f2)
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}
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