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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2012-06-26 21:38:39 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-07-05 19:55:58 (GMT) |
| commit | 3e0091e2b6f8cd59e567f247e345a3a6ad1f6e7e (patch) | |
| tree | 5004938b4b23224fc6ac17c31029c489abf99500 /arch/x86/kernel | |
| parent | c93dc84cbe32435be3ffa2fbde355eff94955c32 (diff) | |
| download | linux-3e0091e2b6f8cd59e567f247e345a3a6ad1f6e7e.tar.xz | |
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>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 3f5c669..a15df4b 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -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; |