static void
process_sched_switch(struct pevent *pevent, struct pevent_record *record)
{
unsigned long long val;
const char *comm;
int pid;
int ret;
comm = (char *)(record->data + sched_switch_prev_field->offset);
ret = pevent_read_number_field(sched_switch_prev_pid_field, record->data, &val);
if (ret < 0)
die("no prev_pid field in sched_switch?");
pid = val;
pevent_register_comm(pevent, comm, pid);
comm = (char *)(record->data + sched_switch_next_field->offset);
ret = pevent_read_number_field(sched_switch_next_pid_field, record->data, &val);
if (ret < 0)
die("no next_pid field in sched_switch?");
pid = val;
pevent_register_comm(pevent, comm, pid);
}
void parse_saved_cmdline(struct pevent *pevent,
char *file, unsigned int size __maybe_unused)
{
char *comm;
char *line;
char *next = NULL;
int pid;
line = strtok_r(file, "\n", &next);
while (line) {
sscanf(line, "%d %ms", &pid, &comm);
pevent_register_comm(pevent, comm, pid);
free(comm);
line = strtok_r(NULL, "\n", &next);
}
}
void parse_cmdlines(struct pevent *pevent,
char *file, int size __maybe_unused)
{
char *comm;
char *line;
char *next = NULL;
int pid;
line = strtok_r(file, "\n", &next);
while (line) {
sscanf(line, "%d %as", &pid,
(float *)(void *)&comm); /* workaround gcc warning */
pevent_register_comm(pevent, comm, pid);
free(comm);
line = strtok_r(NULL, "\n", &next);
}
}
static void write_and_save_comm(struct format_field *field,
struct pevent_record *record,
struct trace_seq *s, int pid)
{
const char *comm;
int len;
comm = (char *)(record->data + field->offset);
len = s->len;
trace_seq_printf(s, "%.*s",
field->size, comm);
/* make sure the comm has a \0 at the end. */
trace_seq_terminate(s);
comm = &s->buffer[len];
/* Help out the comm to ids. This will handle dups */
pevent_register_comm(field->event->pevent, comm, pid);
}
void print_event(struct pevent *pevent, int cpu, void *data, int size,
unsigned long long nsecs, char *comm)
{
struct pevent_record record;
struct trace_seq s;
int pid;
pevent->latency_format = latency_format;
record.ts = nsecs;
record.cpu = cpu;
record.size = size;
record.data = data;
pid = pevent_data_pid(pevent, &record);
if (!pevent_pid_is_registered(pevent, pid))
pevent_register_comm(pevent, comm, pid);
trace_seq_init(&s);
pevent_print_event(pevent, &s, &record);
trace_seq_do_printf(&s);
printf("\n");
}
static void
process_sched_wakeup(struct pevent *pevent, struct pevent_record *record, int type)
{
unsigned long long val;
const char *comm;
int pid;
int ret;
if (type == sched_wakeup_type) {
comm = (char *)(record->data + sched_wakeup_comm_field->offset);
ret = pevent_read_number_field(sched_wakeup_pid_field, record->data, &val);
if (ret < 0)
die("no pid field in sched_wakeup?");
} else {
comm = (char *)(record->data + sched_wakeup_new_comm_field->offset);
ret = pevent_read_number_field(sched_wakeup_new_pid_field, record->data, &val);
if (ret < 0)
die("no pid field in sched_wakeup_new?");
}
pid = val;
pevent_register_comm(pevent, comm, pid);
}