| perf-kmem(1) |
| ============ |
| |
| NAME |
| ---- |
| perf-kmem - Tool to trace/measure kernel memory properties |
| |
| SYNOPSIS |
| -------- |
| [verse] |
| 'perf kmem' {record|stat} [<options>] |
| |
| DESCRIPTION |
| ----------- |
| There are two variants of perf kmem: |
| |
| 'perf kmem record <command>' to record the kmem events |
| of an arbitrary workload. |
| |
| 'perf kmem stat' to report kernel memory statistics. |
| |
| OPTIONS |
| ------- |
| -i <file>:: |
| --input=<file>:: |
| Select the input file (default: perf.data unless stdin is a fifo) |
| |
| -v:: |
| --verbose:: |
| Be more verbose. (show symbol address, etc) |
| |
| --caller:: |
| Show per-callsite statistics |
| |
| --alloc:: |
| Show per-allocation statistics |
| |
| -s <key[,key2...]>:: |
| --sort=<key[,key2...]>:: |
| Sort the output (default: frag,hit,bytes) |
| |
| -l <num>:: |
| --line=<num>:: |
| Print n lines only |
| |
| --raw-ip:: |
| Print raw ip instead of symbol |
| |
| --slab:: |
| Analyze SLAB allocator events. |
| |
| --page:: |
| Analyze page allocator events |
| |
| SEE ALSO |
| -------- |
| linkperf:perf-record[1] |
