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Commit 3e0091e2 authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar
Browse files

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: default avatarBorislav Petkov <bp@amd64.org>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-vsevd5g8lhcn129n3s7trl7r@git.kernel.org


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent c93dc84c

arch/x86/kernel/cpu/perf_event.h

+5 −2
Original line number Diff line number Diff line
@@ -374,8 +374,11 @@ struct x86_pmu { 
	/*

	 * Intel DebugStore bits

	 */

	int		bts, pebs;

	int		bts_active, pebs_active, pebs_broken;

	int		bts		:1,

			bts_active	:1,

			pebs		:1,

			pebs_active	:1,

			pebs_broken	:1;

	int		pebs_record_size;

	void		(*drain_pebs)(struct pt_regs *regs);

	struct event_constraint *pebs_constraints;