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Re: [PATCH -tip v11 0/7] kprobes: NOKPROBE_SYMBOL for modules, and scalbility efforts
- From: Pratyush Anand <panand at redhat dot com>
- To: systemtap at sourceware dot org
- Date: Thu, 16 Jul 2015 08:59:37 +0000 (UTC)
- Subject: Re: [PATCH -tip v11 0/7] kprobes: NOKPROBE_SYMBOL for modules, and scalbility efforts
- Authentication-results: sourceware.org; auth=none
- References: <20140514082034 dot 5791 dot 38607 dot stgit at ltc230 dot yrl dot intra dot hitachi dot co dot jp> <loom dot 20150709T130940-101 at post dot gmane dot org> <55A71A9D dot 10603 at hitachi dot com>
Masami Hiramatsu <masami.hiramatsu.pt <at> hitachi.com> writes:
>
> On 2015/07/09 20:40, Pratyush Anand wrote:
> > It seems a useful series and without these patches system becomes extremely
> > slow with large number of kprobes enabled.
>
> Yes, I should revise it for the latest kernel...
Thanks :-)
[...]
> BTW, have you ever tried to analyze hot spot by using perf?
>
Not yet, but I will try on my ARM64 platform and will share findings with you.
~Pratyush