diff options
Diffstat (limited to 'fs/bcachefs/time_stats.h')
| -rw-r--r-- | fs/bcachefs/time_stats.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/fs/bcachefs/time_stats.h b/fs/bcachefs/time_stats.h index fd6e442443f9..ed6c03c436c0 100644 --- a/fs/bcachefs/time_stats.h +++ b/fs/bcachefs/time_stats.h @@ -26,6 +26,7 @@ #include <linux/sched/clock.h> #include <linux/spinlock_types.h> +#include <linux/string.h> #include "mean_and_variance.h" @@ -68,7 +69,7 @@ struct time_stat_buffer { struct bch2_time_stats { spinlock_t lock; - bool quantiles_enabled; + bool have_quantiles; /* all fields are in nanoseconds */ u64 min_duration; u64 max_duration; @@ -77,7 +78,6 @@ struct bch2_time_stats { u64 min_freq; u64 last_event; u64 last_event_start; - struct quantiles quantiles; struct mean_and_variance duration_stats; struct mean_and_variance freq_stats; @@ -90,6 +90,18 @@ struct bch2_time_stats { struct time_stat_buffer __percpu *buffer; }; +struct bch2_time_stats_quantiles { + struct bch2_time_stats stats; + struct quantiles quantiles; +}; + +static inline struct quantiles *time_stats_to_quantiles(struct bch2_time_stats *stats) +{ + return stats->have_quantiles + ? &container_of(stats, struct bch2_time_stats_quantiles, stats)->quantiles + : NULL; +} + void __bch2_time_stats_clear_buffer(struct bch2_time_stats *, struct time_stat_buffer *); void __bch2_time_stats_update(struct bch2_time_stats *stats, u64, u64); @@ -133,4 +145,15 @@ static inline bool track_event_change(struct bch2_time_stats *stats, bool v) void bch2_time_stats_exit(struct bch2_time_stats *); void bch2_time_stats_init(struct bch2_time_stats *); +static inline void bch2_time_stats_quantiles_exit(struct bch2_time_stats_quantiles *statq) +{ + bch2_time_stats_exit(&statq->stats); +} +static inline void bch2_time_stats_quantiles_init(struct bch2_time_stats_quantiles *statq) +{ + bch2_time_stats_init(&statq->stats); + statq->stats.have_quantiles = true; + memset(&statq->quantiles, 0, sizeof(statq->quantiles)); +} + #endif /* _BCACHEFS_TIME_STATS_H */ |