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perf/x86: Save a few bytes in 'struct x86_pmu' 

All these are basically boolean flags, use a bitfield to save a few
bytes.

Suggested-by: Borislav Petkov <bp@amd64.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-vsevd5g8lhcn129n3s7trl7r@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2012-06-26 23:38:39 +02:00 committed by Ingo Molnar
parent c93dc84cbe
commit 3e0091e2b6
1 changed files with 5 additions and 2 deletions
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7
arch/x86/kernel/cpu/perf_event.h
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@ -374,8 +374,11 @@ struct x86_pmu {
/* /*
* Intel DebugStore bits * Intel DebugStore bits
*/ */
int bts, pebs; int bts :1,
int bts_active, pebs_active, pebs_broken; bts_active :1,
pebs :1,
pebs_active :1,
pebs_broken :1;
int pebs_record_size; int pebs_record_size;
void (*drain_pebs)(struct pt_regs *regs); void (*drain_pebs)(struct pt_regs *regs);
struct event_constraint *pebs_constraints; struct event_constraint *pebs_constraints;