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perf_counter tools: Optimize harder

Browse source 
Use -O6 to build the tools.

Before:

    12387507370  instructions         #    3121.653 M/sec

After:

     6244894971  instructions         #    3458.437 M/sec

Almost twice as fast!

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>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2009-06-03 20:13:51 +02:00
commit 095b3a6a03
1 changed files with 1 additions and 1 deletions
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2
Documentation/perf_counter/Makefile
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@ -159,7 +159,7 @@ uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
# CFLAGS and LDFLAGS are for the users to override from the command line.
CFLAGS = -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement
CFLAGS = -ggdb3 -Wall -Werror -Wstrict-prototypes -Wmissing-declarations -Wmissing-prototypes -std=gnu99 -Wdeclaration-after-statement -O6
LDFLAGS = -lpthread -lrt -lelf
ALL_CFLAGS = $(CFLAGS)
ALL_LDFLAGS = $(LDFLAGS)