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authorBjörn-Egil Dahlberg <psyeugenic@gmail.com>2010-05-20 11:54:54 +0200
committerBjörn-Egil Dahlberg <psyeugenic@gmail.com>2010-06-09 14:26:05 +0200
commit1123a641f8a8c397aa90cac5ffb3c0ec53505735 (patch)
treeb8e0cafe48648051b4c656f45f0db8ab0968d3da /lib/tools/src
parent093903fd61089f7207453236c177d8ca9f3cfdad (diff)
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Add start timestamp to eprof profiling
Diffstat (limited to 'lib/tools/src')
-rw-r--r--lib/tools/src/eprof.erl15
1 files changed, 7 insertions, 8 deletions
diff --git a/lib/tools/src/eprof.erl b/lib/tools/src/eprof.erl
index e14574fd59..b70b020550 100644
--- a/lib/tools/src/eprof.erl
+++ b/lib/tools/src/eprof.erl
@@ -50,6 +50,7 @@
profiling = false,
pattern = {'_','_','_'},
rootset = [],
+ start_ts = undefined,
reply = undefined,
bpd = #bpd{}
}).
@@ -137,7 +138,7 @@ print_bp_mfa(Mfas, {_Tn, Tus}, Opts) ->
({_, {Count, Time}}) when Count =:= 0; Time < 1 ->
ok;
({Mfa, {Count, Time}}) ->
- print([s(Mfa), s(Time), s(Count), s("~.2f", [100*(Time/Tus)]), s("~.2f", [Time/Count])]),
+ print([s(Mfa), s(Count), s("~.2f", [100*(Time/Tus)]), s(Time), s("~.2f", [Time/Count])]),
ok
end, filter_mfa(sort_mfa(Mfas, proplists:get_value(sort, Opts)), proplists:get_value(thresholds, Opts))),
ok.
@@ -175,10 +176,12 @@ handle_call({profile, Rootset, Pattern, M,F,A}, From, S) ->
case set_process_trace(true, [Pid|Rootset]) of
true ->
set_pattern_trace(true, Pattern),
+ T0 = now(),
execute_profiling(Pid),
{noreply, #state{
profiling = true,
rootset = [Pid|Rootset],
+ start_ts = T0,
reply = From,
pattern = Pattern
}};
@@ -227,11 +230,7 @@ handle_call(stop_profiling, _From, #state{ profiling = true } = S) ->
}};
handle_call(stop, _FromTag, S) ->
- {stop, normal, stopped, S};
-
-handle_call(Command, _From, State)->
- io:format("handle_call: ~p~nstate: ~p~n", [Command,State]),
- {reply, Command, State}.
+ {stop, normal, stopped, S}.
%% -------------------------------------------------------------------- %%
%%
@@ -316,9 +315,9 @@ code_change(_OldVsn, State, _Extra) ->
%% -------------------------------------------------------------------- %%
setup_profiling(M,F,A) ->
- spawn_link(fun() -> sprint_profile(M,F,A) end).
+ spawn_link(fun() -> spin_profile(M,F,A) end).
-sprint_profile(M, F, A) ->
+spin_profile(M, F, A) ->
receive
{Pid, execute} ->
Pid ! {self(), {answer, erlang:apply(M,F,A)}}