Symbol: field_has_hist_vars
kernel/trace/trace_events_hist.c
1056
if (field_has_hist_vars(operand, level + 1))
kernel/trace/trace_events_hist.c
1070
if (field_has_hist_vars(hist_field, 0))
kernel/trace/trace_events_hist.c
4548
if (field_has_hist_vars(hist_field, 0)) {