Displaying 2 results from an estimated 2 matches for "dappprof".
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appprod
2006 Jun 29
3
hotuser and hotkernel
...344 46.1%
This reports that 344 samples found updcrc() on the CPU, which was 46.1%
of the samples for this PID. This is likely to be the hottest function in
that process.
It isn''t easy to get this information from other scripts I have published,
such as dappprof or dapptrace, which carefully trace data. Perhaps
these sampling scripts may prove more practical.
Libaries can also sampled, rather than functions,
# ./hotuser -lc ''grep brendan contents''
Sampling... Hit Ctrl-C to end.
LIBRARY...
2006 Mar 01
3
vtimestamp skew, after restorectx()
Hello,
I''m using the below dtrace script to capture the flow and times of
kernel functions, from an ioctl() call. After an entry into
restorectx(), the trace of startimestamp - vtimestamp makes a dramatic
jump downwards. Here''s the snippet showing the jump...
6 -> di_checkmem 8 220176600
6 <- di_checkmem