Re: [HACKERS] The BUFFER_HIT and BUFFER_MISS probes seem pretty darn redundant

2009-03-24 Thread Robert Lor
Tom Lane wrote: Whilst cleaning up the dtrace probe documentation, I realized that there is nothing the aforementioned probes tell you that you can't find out (with a lot more data besides) from the final argument of the BUFFER_READ_DONE probe. Furthermore, tallying them as-is would be misleadin

[HACKERS] The BUFFER_HIT and BUFFER_MISS probes seem pretty darn redundant

2009-03-22 Thread Tom Lane
Whilst cleaning up the dtrace probe documentation, I realized that there is nothing the aforementioned probes tell you that you can't find out (with a lot more data besides) from the final argument of the BUFFER_READ_DONE probe. Furthermore, tallying them as-is would be misleading since you couldn