1/* This script requires a command line argument, to be used in the "process"
2 * probe definition.
3 *
4 * For a statically build binary, that'd be the name of the binary itself.
5 * For dynamically built ones, point to the location of the libgrpc.so being
6 * used. */
7
8global starts, times, times_per_tag
9
10probe process(@1).mark("timing_ns_begin") {
11  starts[$arg1, tid()] = gettimeofday_ns();
12}
13
14probe process(@1).mark("timing_ns_end") {
15  tag = $arg1
16  t = gettimeofday_ns();
17  if (s = starts[tag, tid()]) {
18     times[tag, tid()] <<< t-s;
19     delete starts[tag, tid()];
20  }
21}
22
23probe end {
24  printf("%15s %9s %10s %10s %10s %10s\n", "tag", "tid", "count",
25    "min(ns)", "avg(ns)", "max(ns)");
26  foreach ([tag+, tid] in times) {
27    printf("%15X %9d %10d %10d %10d %10d\n", tag, tid, @count(times[tag, tid]),
28          @min(times[tag, tid]), @avg(times[tag, tid]), @max(times[tag, tid]));
29  }
30
31  printf("Per tag average of averages\n");
32  foreach ([tag+, tid] in times) {
33    times_per_tag[tag] <<< @avg(times[tag, tid]);
34  }
35  printf("%15s %10s %10s\n", "tag", "count", "avg(ns)");
36  foreach ([tag+] in times_per_tag) {
37    printf("%15X %10d %10d\n", tag, @count(times_per_tag[tag]),
38                                    @avg(times_per_tag[tag]));
39  }
40}
41