diff options
Diffstat (limited to 'tools/perf/util/lock-contention.h')
| -rw-r--r-- | tools/perf/util/lock-contention.h | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/tools/perf/util/lock-contention.h b/tools/perf/util/lock-contention.h index 1a7248ff3889..b5d916aa49df 100644 --- a/tools/perf/util/lock-contention.h +++ b/tools/perf/util/lock-contention.h @@ -10,10 +10,12 @@ struct lock_filter { int nr_addrs; int nr_syms; int nr_cgrps; + int nr_slabs; unsigned int *types; unsigned long *addrs; char **syms; u64 *cgrps; + char **slabs; }; struct lock_stat { @@ -67,10 +69,11 @@ struct lock_stat { */ #define MAX_LOCK_DEPTH 48 -struct lock_stat *lock_stat_find(u64 addr); -struct lock_stat *lock_stat_findnew(u64 addr, const char *name, int flags); +/* based on kernel/lockdep.c */ +#define LOCKHASH_BITS 12 +#define LOCKHASH_SIZE (1UL << LOCKHASH_BITS) -bool match_callstack_filter(struct machine *machine, u64 *callstack); +extern struct hlist_head *lockhash_table; /* * struct lock_seq_stat: @@ -148,14 +151,25 @@ struct lock_contention { bool save_callstack; }; -#ifdef HAVE_BPF_SKEL +struct option; +int parse_call_stack(const struct option *opt, const char *str, int unset); +bool needs_callstack(void); + +struct lock_stat *lock_stat_find(u64 addr); +struct lock_stat *lock_stat_findnew(u64 addr, const char *name, int flags); + +bool match_callstack_filter(struct machine *machine, u64 *callstack, int max_stack_depth); + +#ifdef HAVE_BPF_SKEL int lock_contention_prepare(struct lock_contention *con); int lock_contention_start(void); int lock_contention_stop(void); int lock_contention_read(struct lock_contention *con); int lock_contention_finish(struct lock_contention *con); +struct lock_stat *pop_owner_stack_trace(struct lock_contention *con); + #else /* !HAVE_BPF_SKEL */ static inline int lock_contention_prepare(struct lock_contention *con __maybe_unused) @@ -175,6 +189,11 @@ static inline int lock_contention_read(struct lock_contention *con __maybe_unuse return 0; } +static inline struct lock_stat *pop_owner_stack_trace(struct lock_contention *con __maybe_unused) +{ + return NULL; +} + #endif /* HAVE_BPF_SKEL */ #endif /* PERF_LOCK_CONTENTION_H */ |