perf_3.16-kmem1
Tool to trace/measure kernel memory(slab) properties
Usage
perf kmem
{record | stat}
[<options>]
Overview
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)
-
--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