runtime/probes/test4/README


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Sample probe.

This is a translation of on an old dtr probe:

global {
  long @opens[string];
  sum @reads[string], @writes[string];
}

probe sys_open:entry {
  @opens[current->comm]++;
}

probe sys_read:entry {
  @reads[current->comm] << count;
}

probe sys_write:entry {
  @writes[current->comm] << count;
}