4471 DTrace count() with histogram
4472 DTrace full width distribution histograms
4473 DTrace frequency trails

*** 1021,1031 ****
  #define DTRACEOPT_AGGSORTKEY    23      /* sort aggregations by key */
  #define DTRACEOPT_AGGSORTREV    24      /* reverse-sort aggregations */
  #define DTRACEOPT_AGGSORTPOS    25      /* agg. position to sort on */
  #define DTRACEOPT_AGGSORTKEYPOS 26      /* agg. key position to sort on */
  #define DTRACEOPT_TEMPORAL      27      /* temporally ordered output */
! #define DTRACEOPT_MAX           28      /* number of options */
  
  #define DTRACEOPT_UNSET         (dtrace_optval_t)-2     /* unset option */
  
  #define DTRACEOPT_BUFPOLICY_RING        0       /* ring buffer */
  #define DTRACEOPT_BUFPOLICY_FILL        1       /* fill buffer, then stop */
--- 1021,1035 ----
  #define DTRACEOPT_AGGSORTKEY    23      /* sort aggregations by key */
  #define DTRACEOPT_AGGSORTREV    24      /* reverse-sort aggregations */
  #define DTRACEOPT_AGGSORTPOS    25      /* agg. position to sort on */
  #define DTRACEOPT_AGGSORTKEYPOS 26      /* agg. key position to sort on */
  #define DTRACEOPT_TEMPORAL      27      /* temporally ordered output */
! #define DTRACEOPT_AGGHIST       28      /* histogram aggregation output */
! #define DTRACEOPT_AGGPACK       29      /* packed aggregation output */
! #define DTRACEOPT_AGGZOOM       30      /* zoomed aggregation scaling */
! #define DTRACEOPT_ZONE          31      /* zone in which to enable probes */
! #define DTRACEOPT_MAX           32      /* number of options */
  
  #define DTRACEOPT_UNSET         (dtrace_optval_t)-2     /* unset option */
  
  #define DTRACEOPT_BUFPOLICY_RING        0       /* ring buffer */
  #define DTRACEOPT_BUFPOLICY_FILL        1       /* fill buffer, then stop */