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perf: Remove pointless breakpoint union

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Remove pointless union in the breakpoint field of hw_perf_event.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Frederic Weisbecker 2010-02-27 17:10:39 +01:00
parent b67577dfb4
commit dd8b1cf681
2 changed files with 7 additions and 6 deletions
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5
include/linux/perf_event.h
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@ -487,9 +487,8 @@ struct hw_perf_event {
struct hrtimer hrtimer; struct hrtimer hrtimer;
}; };
#ifdef CONFIG_HAVE_HW_BREAKPOINT #ifdef CONFIG_HAVE_HW_BREAKPOINT
union { /* breakpoint */ /* breakpoint */
struct arch_hw_breakpoint info; struct arch_hw_breakpoint info;
};
#endif #endif
}; };
atomic64_t prev_count; atomic64_t prev_count;

8
lib/Kconfig.debug
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@ -520,11 +520,13 @@ config LOCK_STAT
For more details, see Documentation/lockstat.txt For more details, see Documentation/lockstat.txt
You can analyze lock events with "perf lock", subcommand of perf. This also enables lock events required by "perf lock",
If you want to use "perf lock", you need to turn on CONFIG_EVENT_TRACING. subcommand of perf.
If you want to use "perf lock", you also need to turn on
CONFIG_EVENT_TRACING.
CONFIG_LOCK_STAT defines "contended" and "acquired" lock events. CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.
(CONFIG_LOCKDEP defines "acquire" and "release" events.) (CONFIG_LOCKDEP defines "acquire" and "release" events.)
config DEBUG_LOCKDEP config DEBUG_LOCKDEP
bool "Lock dependency engine debugging" bool "Lock dependency engine debugging"