perf record: Increase mmap buffering default
authorIngo Molnar <mingo@elte.hu>
Tue, 2 Jun 2009 21:02:59 +0000 (23:02 +0200)
committerIngo Molnar <mingo@elte.hu>
Tue, 2 Jun 2009 21:04:24 +0000 (23:04 +0200)
commit3cf165fc2e7f221a7a95098b47eb990779e29f5f
tree2719492950a0570d3a4f5bd3c3a5c92449665649
parentabaff32a03e26e5d6674cb2a26ad882efe7493a3
perf record: Increase mmap buffering default

I've run into mmap overruns with the current 16 pages default,
increase it to 128 pages.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Documentation/perf_counter/builtin-record.c