Re: [PATCH 1/2] perf kmem: Show usage if no option is specified

[Pekka Enberg]

Li Zefan kirjoitti:
> As Ingo suggested, make "perf kmem" show help information.
> "perf kmem stat [--caller] [--alloc] .." will show memory
> statistics.
>
> Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>

Acked-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
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