Re: [lmi] linux-perf in chroot via .deb abuse

[Vadim Zeitlin]

On Sat, 3 Oct 2020 16:49:44 +0000 Greg Chicares <gchicares@sbcglobal.net> wrote:

GC> On 2020-10-03 11:39, Greg Chicares wrote:
GC> > On 2020-10-03 11:21, Vadim Zeitlin wrote:
GC> >> On Fri, 2 Oct 2020 23:06:27 +0000 Greg Chicares 
<gchicares@sbcglobal.net> wrote:
GC> > 
GC> > [...cp perf and each library it needs into a chroot...]
GC> > 
GC> >> GC> Vadim--Do you think this approach is worse than trying to compile
GC> >> GC> 'perf' in a chroot with the host's kernel version? It just seemed
GC> >> GC> easier to try this way first.
GC> 
GC> [...hardlink perf and each library it needs to a directory that will be 
mounted in chroots...]
GC> 
GC> This way seems smarter:
GC> 
GC> http://www.brendangregg.com/perf.html#Building
GC> 
GC> | 10.1. Static Builds
GC> | 
GC> | I've sometimes done this so that I have a single perf binary that can be
GC> | copied into Docker containers for execution. Steps, given the Linux 
source:
GC> |
GC> | cd tools/perf
GC> | vi Makefile.perf
GC> |   LDFLAGS=-static
GC> | make clean; make

 Ah, yes, this seems like by far the simplest solution, thanks for finding
it and letting me know about it!
VZ

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