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-rw-r--r--lib/tools/src/fprof.erl20
1 files changed, 9 insertions, 11 deletions
diff --git a/lib/tools/src/fprof.erl b/lib/tools/src/fprof.erl
index b21eedc625..3c68ff690d 100644
--- a/lib/tools/src/fprof.erl
+++ b/lib/tools/src/fprof.erl
@@ -1003,7 +1003,7 @@ handle_req(#analyse{dest = Dest,
already_open ->
ok;
ok ->
- file:close(DestPid)
+ ok = file:close(DestPid)
end,
State
end;
@@ -1364,7 +1364,7 @@ tracer_loop(Parent, Handler, State) ->
Trace when element(1, Trace) =:= trace_ts ->
tracer_loop(Parent, Handler, Handler(Trace, State));
{'EXIT', Parent, Reason} ->
- handler(end_of_trace, State),
+ _ = handler(end_of_trace, State),
exit(Reason);
_ ->
tracer_loop(Parent, Handler, State)
@@ -1450,12 +1450,10 @@ end_of_trace(Table, TS) ->
Procs = get(),
put(table, Table),
?dbg(2, "get() -> ~p~n", [Procs]),
- lists:map(
- fun ({Pid, _}) when is_pid(Pid) ->
- trace_exit(Table, Pid, TS)
- end,
- Procs),
- erase(),
+ _ = lists:map(fun ({Pid, _}) when is_pid(Pid) ->
+ trace_exit(Table, Pid, TS)
+ end, Procs),
+ _ = erase(),
ok.
@@ -2047,7 +2045,7 @@ trace_exit(Table, Pid, TS) ->
[] ->
ok;
[_ | _] = Stack ->
- trace_return_to_int(Table, Pid, undefined, TS, Stack),
+ _ = trace_return_to_int(Table, Pid, undefined, TS, Stack),
ok
end,
ok.
@@ -2173,7 +2171,7 @@ trace_clock(_Table, _Pid, _T,
[[{suspend, _}], [{suspend, _}] | _]=_Stack, _Clock) ->
?dbg(9, "trace_clock(Table, ~w, ~w, ~w, ~w)~n",
[_Pid, _T, _Stack, _Clock]),
- void;
+ ok;
trace_clock(Table, Pid, T,
[[{garbage_collect, TS0}], [{suspend, _}]], Clock) ->
trace_clock_1(Table, Pid, T, TS0, undefined, garbage_collect, Clock);
@@ -2188,7 +2186,7 @@ trace_clock(Table, Pid, T, [[{Func0, TS0}], [{Func1, _} | _] | _], Clock) ->
trace_clock(Table, Pid, T, [[{Func0, TS0}]], Clock) ->
trace_clock_1(Table, Pid, T, TS0, undefined, Func0, Clock);
trace_clock(_, _, _, [], _) ->
- void.
+ ok.
trace_clock_1(Table, Pid, _, _, Caller, suspend, #clocks.own) ->
clock_add(Table, {Pid, Caller, suspend}, #clocks.own, 0);