linux/tools/perf/util/thread.h
Adrian Hunter 00447ccdf3 perf tools: Add a thread stack for synthesizing call chains
Add a thread stack for synthesizing call chains from call and return
events.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1414678188-14946-2-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2014-11-03 17:10:59 -03:00

94 lines
2.3 KiB
C

#ifndef __PERF_THREAD_H
#define __PERF_THREAD_H
#include <linux/rbtree.h>
#include <linux/list.h>
#include <unistd.h>
#include <sys/types.h>
#include "symbol.h"
#include <strlist.h>
struct thread_stack;
struct thread {
union {
struct rb_node rb_node;
struct list_head node;
};
struct map_groups *mg;
pid_t pid_; /* Not all tools update this */
pid_t tid;
pid_t ppid;
int cpu;
char shortname[3];
bool comm_set;
bool dead; /* if set thread has exited */
struct list_head comm_list;
int comm_len;
u64 db_id;
void *priv;
struct thread_stack *ts;
};
struct machine;
struct comm;
struct thread *thread__new(pid_t pid, pid_t tid);
int thread__init_map_groups(struct thread *thread, struct machine *machine);
void thread__delete(struct thread *thread);
static inline void thread__exited(struct thread *thread)
{
thread->dead = true;
}
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__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(const struct thread *thread);
void thread__insert_map(struct thread *thread, struct map *map);
int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp);
size_t thread__fprintf(struct thread *thread, FILE *fp);
void thread__find_addr_map(struct thread *thread,
u8 cpumode, enum map_type type, u64 addr,
struct addr_location *al);
void thread__find_addr_location(struct thread *thread,
u8 cpumode, enum map_type type, u64 addr,
struct addr_location *al);
void thread__find_cpumode_addr_location(struct thread *thread,
enum map_type type, u64 addr,
struct addr_location *al);
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;
}
return false;
}
#endif /* __PERF_THREAD_H */