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Re: [PATCH v4 2/3] Support for perf to probe into SDT markers:
- From: Pekka Enberg <penberg at iki dot fi>
- To: Srikar Dronamraju <srikar at linux dot vnet dot ibm dot com>
- Cc: Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>, Hemant Kumar <hkshaw at linux dot vnet dot ibm dot com>, LKML <linux-kernel at vger dot kernel dot org>, Peter Zijlstra <peterz at infradead dot org>, Oleg Nesterov <oleg at redhat dot com>, hegdevasant at linux dot vnet dot ibm dot com, Ingo Molnar <mingo at redhat dot com>, anton at redhat dot com, systemtap at sourceware dot org, Namhyung Kim <namhyung at kernel dot org>, aravinda at linux dot vnet dot ibm dot com
- Date: Mon, 28 Oct 2013 16:21:32 +0200
- Subject: Re: [PATCH v4 2/3] Support for perf to probe into SDT markers:
- Authentication-results: sourceware.org; auth=none
- References: <20131023044511 dot 1886 dot 82571 dot stgit at hemant-fedora> <20131023050502 dot 1886 dot 15779 dot stgit at hemant-fedora> <CAOJsxLFKm3TxeTmGjbpr1r4sZ8fHcM481-5BM_Cq0J8hhtvBqQ at mail dot gmail dot com> <526E4940 dot 8000608 at hitachi dot com> <526E5BA5 dot 7050103 at iki dot fi> <20131028141152 dot GA1040 at linux dot vnet dot ibm dot com>
On 10/28/2013 04:11 PM, Srikar Dronamraju wrote:
But what if a system has both 32 bit libc and 64 bit libc?
Wont we could end up with 2 libc:setjmp?
Should we give some more intelligence into perf to choose the 64 bit
libc over 32 bit one?
You can just trace both of them by default, no?
Pekka