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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-11 15:17:03 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-11 15:45:56 +0100 |
| commit | 6a930700c8b655a9e25e42fc4adc0b225ebbcefc (patch) | |
| tree | 5b6aa07d2734f43d0c5bc7d97aebe256e6d86fa8 /include/linux/perf_counter.h | |
| parent | 1d1c7ddbfab358445a542715551301b7fc363e28 (diff) | |
| download | lwn-6a930700c8b655a9e25e42fc4adc0b225ebbcefc.tar.gz lwn-6a930700c8b655a9e25e42fc4adc0b225ebbcefc.zip | |
perf counters: clean up state transitions
Impact: cleanup
Introduce a proper enum for the 3 states of a counter:
PERF_COUNTER_STATE_OFF = -1
PERF_COUNTER_STATE_INACTIVE = 0
PERF_COUNTER_STATE_ACTIVE = 1
and rename counter->active to counter->state and propagate the
changes everywhere.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/perf_counter.h')
| -rw-r--r-- | include/linux/perf_counter.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 97d86c293ee8..8cb095fa442c 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -128,6 +128,15 @@ struct hw_perf_counter_ops { }; /** + * enum perf_counter_active_state - the states of a counter + */ +enum perf_counter_active_state { + PERF_COUNTER_STATE_OFF = -1, + PERF_COUNTER_STATE_INACTIVE = 0, + PERF_COUNTER_STATE_ACTIVE = 1, +}; + +/** * struct perf_counter - performance counter kernel representation: */ struct perf_counter { @@ -136,7 +145,7 @@ struct perf_counter { struct perf_counter *group_leader; const struct hw_perf_counter_ops *hw_ops; - int active; + enum perf_counter_active_state state; #if BITS_PER_LONG == 64 atomic64_t count; #else |