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| author | Dan Gudmundsson <[email protected]> | 2011-03-30 12:50:03 +0200 |
|---|---|---|
| committer | Dan Gudmundsson <[email protected]> | 2011-05-11 16:08:18 +0200 |
| commit | 1d4472c3e6bad242c04ab5925ac12b3053ece323 (patch) | |
| tree | b2e675e2395cfa8a3f1ceb86bbde235d01180797 /lib/stdlib/doc | |
| parent | 0a80859714d86191e17f84cf60833010b20655d0 (diff) | |
| download | otp-1d4472c3e6bad242c04ab5925ac12b3053ece323.tar.gz otp-1d4472c3e6bad242c04ab5925ac12b3053ece323.tar.bz2 otp-1d4472c3e6bad242c04ab5925ac12b3053ece323.zip | |
Add timer:tc/1 which measures elapsed time for a fun/0
Also removes the 'catch' from timer:tc functions which masked errors
in measuring code.
Diffstat (limited to 'lib/stdlib/doc')
| -rw-r--r-- | lib/stdlib/doc/src/timer.xml | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/stdlib/doc/src/timer.xml b/lib/stdlib/doc/src/timer.xml index cae655f801..0baeff1db3 100644 --- a/lib/stdlib/doc/src/timer.xml +++ b/lib/stdlib/doc/src/timer.xml @@ -203,6 +203,7 @@ <func> <name>tc(Module, Function, Arguments) -> {Time, Value}</name> <name>tc(Fun, Arguments) -> {Time, Value}</name> + <name>tc(Fun) -> {Time, Value}</name> <fsummary>Measure the real time it takes to evaluate <c>apply(Module, Function, Arguments)</c> or <c>apply(Fun, Arguments)</c></fsummary> <type> @@ -218,7 +219,7 @@ <tag><c>tc/3</c></tag> <item> <p>Evaluates <c>apply(Module, Function, Arguments)</c> and measures - the elapsed real time as reported by <c>now/0</c>. + the elapsed real time as reported by <c>os:timestamp/0</c>. Returns <c>{Time, Value}</c>, where <c>Time</c> is the elapsed real time in <em>microseconds</em>, and <c>Value</c> is what is returned from the apply.</p> @@ -228,6 +229,11 @@ <p>Evaluates <c>apply(Fun, Arguments)</c>. Otherwise works like <c>tc/3</c>.</p> </item> + <tag><c>tc/1</c></tag> + <item> + <p>Evaluates <c>Fun()</c>. Otherwise works like <c>tc/2</c>.</p> + </item> + </taglist> </desc> </func> |