Added info: to the charts in the // Memory Section
This was just a trial run to see if this is what your looking for. I actually learned a lot about the Linux memory subsystem!
Levi Blaney committed
Nov 4, 2016 at 05:41 UTC
0f95ee342c735a5d2b0504371d1c4f599e1d0eb8
1 file changed
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web/dashboard_info.js
+20
@@ -393,6 +393,26 @@ netdataDashboard.context = {
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'mem.committed': {
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colors: NETDATA.colors[3]
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},
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+
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+ 'mem.pgfaults': {
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+ info: '<a href="https://en.wikipedia.org/wiki/Page_fault" target="_blank">Page Faults</a>, read from <code>/proc/vmstat</code>. Some minor page faults are expected and considered normal, while a high amount of major page faults could be a sign you need to increase the amount of RAM.'
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+ },
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+
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+ 'mem.committed': {
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+ info: 'Committed Memory, read from <code>/proc/meminfo</code>, is the sum of all memory which has been allocated by processes.'
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+ },
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+
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+ 'mem.writeback': {
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+ info: 'Read from <code>/proc/meminfo</code>, <b>Dirty</b> is the amount of memory waiting to be written to disk. <b>Writeback</b> is how much memory is actively being written to disk.'
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+ },
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+
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+ 'mem.kernel': {
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+ info: 'Read from <code>/proc/meminfo</code>, This chart displays the total ammount of memory being used by the kernel. <b>Slab</b> is the amount of memory used by the kernel to cache data structures for its own use. <b>KernelStack</b> is the amount of memory allocated for each task done by the kernel. <b>PageTables</b> is the amount of memory decicated to the lowest level of page tables (A page table is used to turn a virtual address into a physical memory address). <b>VmallocUsed</b> is the amount of memory being used as virtual address space.'
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+ },
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+
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+ 'mem.slab': {
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+ info: 'Read from <code>/proc/meminfo</code>, <b>reclaimable</b> is the amount of memory which the kernel can reuse. <b>unreclaimable</b> can not be reused even when the kernel is lacking memory.'
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+ },
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// ------------------------------------------------------------------------
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// network interfaces