static int __event__synthesize_thread(union perf_event *comm_event,
union perf_event *mmap_event,
pid_t pid, perf_event__handler_t process,
struct perf_session *session)
{
pid_t tgid = perf_event__synthesize_comm(comm_event, pid, 1, process,
session);
if (tgid == -1)
return -1;
return perf_event__synthesize_mmap_events(mmap_event, pid, tgid,
process, session);
}
static int __event__synthesize_thread(union perf_event *comm_event,
union perf_event *mmap_event,
pid_t pid, int full,
perf_event__handler_t process,
struct perf_tool *tool,
struct machine *machine, bool mmap_data)
{
pid_t tgid = perf_event__synthesize_comm(tool, comm_event, pid, full,
process, machine);
if (tgid == -1)
return -1;
return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
process, machine, mmap_data);
}
static int __event__synthesize_thread(union perf_event *comm_event,
union perf_event *mmap_event,
union perf_event *fork_event,
pid_t pid, int full,
perf_event__handler_t process,
struct perf_tool *tool,
struct machine *machine,
bool mmap_data,
unsigned int proc_map_timeout)
{
char filename[PATH_MAX];
DIR *tasks;
struct dirent *dirent;
pid_t tgid, ppid;
int rc = 0;
/* special case: only send one comm event using passed in pid */
if (!full) {
tgid = perf_event__synthesize_comm(tool, comm_event, pid,
process, machine);
if (tgid == -1)
return -1;
return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
process, machine, mmap_data,
proc_map_timeout);
}
if (machine__is_default_guest(machine))
return 0;
snprintf(filename, sizeof(filename), "%s/proc/%d/task",
machine->root_dir, pid);
tasks = opendir(filename);
if (tasks == NULL) {
pr_debug("couldn't open %s\n", filename);
return 0;
}
while ((dirent = readdir(tasks)) != NULL) {
char *end;
pid_t _pid;
_pid = strtol(dirent->d_name, &end, 10);
if (*end)
continue;
rc = -1;
if (perf_event__prepare_comm(comm_event, _pid, machine,
&tgid, &ppid) != 0)
break;
if (perf_event__synthesize_fork(tool, fork_event, _pid, tgid,
ppid, process, machine) < 0)
break;
/*
* Send the prepared comm event
*/
if (perf_tool__process_synth_event(tool, comm_event, machine, process) != 0)
break;
rc = 0;
if (_pid == pid) {
/* process the parent's maps too */
rc = perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid,
process, machine, mmap_data, proc_map_timeout);
if (rc)
break;
}
}
closedir(tasks);
return rc;
}
