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memory analysis tool
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| Name | Description | |
|---|---|---|
| free | report free memory with buffere cache and page cache | |
| dmesg | check for oom messages from the oom killer | |
| valgrind | a performance analysis suite. This costs significant overhead - 20 - 30x slower | |
| swapon | add/observe physical swap devices or files. | |
| iostat | if swap device is physical disk or slice. | |
| perf | investigate cpi | |
| /proc/zoneinfo | statistics for memory zones | |
| /proc/buddyinfo | statistics for the kernel buddy allocator for pages |
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