#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/workqueue.h>
-#include <linux/mean_and_variance.h>
+
+#include "mean_and_variance.h"
#include "darray.h"
#define prt_units_s64(...) bch2_prt_units_s64(__VA_ARGS__)
#define prt_string_option(...) bch2_prt_string_option(__VA_ARGS__)
#define prt_bitflags(...) bch2_prt_bitflags(__VA_ARGS__)
+#define prt_bitflags_vector(...) bch2_prt_bitflags_vector(__VA_ARGS__)
void bch2_pr_time_units(struct printbuf *, u64);
-
-#ifdef __KERNEL__
-static inline void pr_time(struct printbuf *out, u64 time)
-{
- prt_printf(out, "%llu", time);
-}
-#else
-#include <time.h>
-static inline void pr_time(struct printbuf *out, u64 _time)
-{
- char time_str[64];
- time_t time = _time;
- struct tm *tm = localtime(&time);
- size_t err = strftime(time_str, sizeof(time_str), "%c", tm);
- if (!err)
- prt_printf(out, "(formatting error)");
- else
- prt_printf(out, "%s", time_str);
-}
-#endif
+void bch2_prt_datetime(struct printbuf *, time64_t);
#ifdef __KERNEL__
static inline void uuid_unparse_lower(u8 *uuid, char *out)
void bch2_print_string_as_lines(const char *prefix, const char *lines);
typedef DARRAY(unsigned long) bch_stacktrace;
-int bch2_save_backtrace(bch_stacktrace *stack, struct task_struct *);
+int bch2_save_backtrace(bch_stacktrace *stack, struct task_struct *, unsigned);
void bch2_prt_backtrace(struct printbuf *, bch_stacktrace *);
-int bch2_prt_task_backtrace(struct printbuf *, struct task_struct *);
+int bch2_prt_task_backtrace(struct printbuf *, struct task_struct *, unsigned);
+
+static inline void prt_bdevname(struct printbuf *out, struct block_device *bdev)
+{
+#ifdef __KERNEL__
+ prt_printf(out, "%pg", bdev);
+#else
+ prt_str(out, bdev->name);
+#endif
+}
#define NR_QUANTILES 15
#define QUANTILE_IDX(i) inorder_to_eytzinger0(i, NR_QUANTILES)
struct bch2_time_stats {
spinlock_t lock;
/* all fields are in nanoseconds */
- u64 max_duration;
u64 min_duration;
+ u64 max_duration;
+ u64 total_duration;
u64 max_freq;
u64 min_freq;
u64 last_event;
#ifndef CONFIG_BCACHEFS_NO_LATENCY_ACCT
void __bch2_time_stats_update(struct bch2_time_stats *stats, u64, u64);
-#else
-static inline void __bch2_time_stats_update(struct bch2_time_stats *stats, u64 start, u64 end) {}
-#endif
static inline void bch2_time_stats_update(struct bch2_time_stats *stats, u64 start)
{
__bch2_time_stats_update(stats, start, local_clock());
}
+static inline bool track_event_change(struct bch2_time_stats *stats,
+ u64 *start, bool v)
+{
+ if (v != !!*start) {
+ if (!v) {
+ bch2_time_stats_update(stats, *start);
+ *start = 0;
+ } else {
+ *start = local_clock() ?: 1;
+ return true;
+ }
+ }
+
+ return false;
+}
+#else
+static inline void __bch2_time_stats_update(struct bch2_time_stats *stats, u64 start, u64 end) {}
+static inline void bch2_time_stats_update(struct bch2_time_stats *stats, u64 start) {}
+static inline bool track_event_change(struct bch2_time_stats *stats,
+ u64 *start, bool v)
+{
+ bool ret = v && !*start;
+ *start = v;
+ return ret;
+}
+#endif
+
void bch2_time_stats_to_text(struct printbuf *, struct bch2_time_stats *);
void bch2_time_stats_exit(struct bch2_time_stats *);
#include <linux/uuid.h>
+#define QSTR(n) { { { .len = strlen(n) } }, .name = n }
+
+static inline bool qstr_eq(const struct qstr l, const struct qstr r)
+{
+ return l.len == r.len && !memcmp(l.name, r.name, l.len);
+}
+
+void bch2_darray_str_exit(darray_str *);
+int bch2_split_devs(const char *, darray_str *);
+
#endif /* _BCACHEFS_UTIL_H */