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Re: Re: [PATCH -tip v7 24/26] kprobes: Enlarge hash table to 4096 entries
- From: Andi Kleen <andi at firstfloor dot org>
- To: Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>
- Cc: Andi Kleen <andi at firstfloor dot org>, linux-kernel at vger dot kernel dot org, Ingo Molnar <mingo at kernel dot org>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, Sandeepa Prabhu <sandeepa dot prabhu at linaro dot org>, Frederic Weisbecker <fweisbec at gmail dot com>, x86 at kernel dot org, Steven Rostedt <rostedt at goodmis dot org>, fche at redhat dot com, mingo at redhat dot com, systemtap at sourceware dot org, "H. Peter Anvin" <hpa at zytor dot com>, Thomas Gleixner <tglx at linutronix dot de>
- Date: Mon, 3 Mar 2014 18:20:50 +0100
- Subject: Re: Re: [PATCH -tip v7 24/26] kprobes: Enlarge hash table to 4096 entries
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> So, we can see the hash table larger than 2^9 (512 entries,
> which consumes 4KB) has no performance improvement.
> Would you think 4kB is still big for kprobes? :)
4KB should be fine. Thanks for evaluating.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.