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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;
};
#ifdef CONFIG_HAVE_HW_BREAKPOINT
union { /* breakpoint */
struct arch_hw_breakpoint info;
};
/* breakpoint */
struct arch_hw_breakpoint info;
#endif
};
atomic64_t prev_count;

8
lib/Kconfig.debug
View File

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