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Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/thread.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h new file mode 100644 index 000000000..241f300d7 --- /dev/null +++ b/tools/perf/util/thread.h @@ -0,0 +1,161 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_THREAD_H +#define __PERF_THREAD_H + +#include <linux/refcount.h> +#include <linux/rbtree.h> +#include <linux/list.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/types.h> +#include "srccode.h" +#include "symbol_conf.h" +#include <strlist.h> +#include <intlist.h> +#include "rwsem.h" +#include "event.h" +#include "callchain.h" + +struct addr_location; +struct map; +struct perf_record_namespaces; +struct thread_stack; +struct unwind_libunwind_ops; + +struct lbr_stitch { + struct list_head lists; + struct list_head free_lists; + struct perf_sample prev_sample; + struct callchain_cursor_node *prev_lbr_cursor; +}; + +struct thread { + union { + struct rb_node rb_node; + struct list_head node; + }; + struct maps *maps; + pid_t pid_; /* Not all tools update this */ + pid_t tid; + pid_t ppid; + int cpu; + int guest_cpu; /* For QEMU thread */ + refcount_t refcnt; + bool comm_set; + int comm_len; + bool dead; /* if set thread has exited */ + struct list_head namespaces_list; + struct rw_semaphore namespaces_lock; + struct list_head comm_list; + struct rw_semaphore comm_lock; + u64 db_id; + + void *priv; + struct thread_stack *ts; + struct nsinfo *nsinfo; + struct srccode_state srccode_state; + bool filter; + int filter_entry_depth; + + /* LBR call stack stitch */ + bool lbr_stitch_enable; + struct lbr_stitch *lbr_stitch; +}; + +struct machine; +struct namespaces; +struct comm; + +struct thread *thread__new(pid_t pid, pid_t tid); +int thread__init_maps(struct thread *thread, struct machine *machine); +void thread__delete(struct thread *thread); + +struct thread *thread__get(struct thread *thread); +void thread__put(struct thread *thread); + +static inline void __thread__zput(struct thread **thread) +{ + thread__put(*thread); + *thread = NULL; +} + +#define thread__zput(thread) __thread__zput(&thread) + +static inline void thread__exited(struct thread *thread) +{ + thread->dead = true; +} + +struct namespaces *thread__namespaces(struct thread *thread); +int thread__set_namespaces(struct thread *thread, u64 timestamp, + struct perf_record_namespaces *event); + +int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp, + bool exec); +static inline int thread__set_comm(struct thread *thread, const char *comm, + u64 timestamp) +{ + return __thread__set_comm(thread, comm, timestamp, false); +} + +int thread__set_comm_from_proc(struct thread *thread); + +int thread__comm_len(struct thread *thread); +struct comm *thread__comm(const struct thread *thread); +struct comm *thread__exec_comm(const struct thread *thread); +const char *thread__comm_str(struct thread *thread); +int thread__insert_map(struct thread *thread, struct map *map); +int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone); +size_t thread__fprintf(struct thread *thread, FILE *fp); + +struct thread *thread__main_thread(struct machine *machine, struct thread *thread); + +struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, + struct addr_location *al); +struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr, + struct addr_location *al); + +struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode, + u64 addr, struct addr_location *al); +struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode, + u64 addr, struct addr_location *al); + +void thread__find_cpumode_addr_location(struct thread *thread, u64 addr, + struct addr_location *al); + +int thread__memcpy(struct thread *thread, struct machine *machine, + void *buf, u64 ip, int len, bool *is64bit); + +static inline void *thread__priv(struct thread *thread) +{ + return thread->priv; +} + +static inline void thread__set_priv(struct thread *thread, void *p) +{ + thread->priv = p; +} + +static inline bool thread__is_filtered(struct thread *thread) +{ + if (symbol_conf.comm_list && + !strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) { + return true; + } + + if (symbol_conf.pid_list && + !intlist__has_entry(symbol_conf.pid_list, thread->pid_)) { + return true; + } + + if (symbol_conf.tid_list && + !intlist__has_entry(symbol_conf.tid_list, thread->tid)) { + return true; + } + + return false; +} + +void thread__free_stitch_list(struct thread *thread); + +#endif /* __PERF_THREAD_H */ |