diff options
Diffstat (limited to 'lib/tools')
| -rw-r--r-- | lib/tools/src/fprof.erl | 15 | ||||
| -rw-r--r-- | lib/tools/test/fprof_SUITE.erl | 27 |
2 files changed, 35 insertions, 7 deletions
diff --git a/lib/tools/src/fprof.erl b/lib/tools/src/fprof.erl index c5c24c8eb3..f9da748fef 100644 --- a/lib/tools/src/fprof.erl +++ b/lib/tools/src/fprof.erl @@ -1567,13 +1567,20 @@ trace_handler({trace_ts, Pid, return_to, {_M, _F, Args} = MFArgs, TS} = Trace, trace_return_to(Table, Pid, Func, TS), TS; %% -%% spawn +%% spawn, only needed (and reliable) prior to 19.0 trace_handler({trace_ts, Pid, spawn, Child, MFArgs, TS} = Trace, Table, _, Dump) -> dump_stack(Dump, get(Pid), Trace), trace_spawn(Table, Child, MFArgs, TS, Pid), TS; %% +%% spawned, added in 19.0 +trace_handler({trace_ts, Pid, spawned, Parent, MFArgs, TS} = Trace, + Table, _, Dump) -> + dump_stack(Dump, get(Pid), Trace), + trace_spawn(Table, Pid, MFArgs, TS, Parent), + TS; +%% %% exit trace_handler({trace_ts, Pid, exit, _Reason, TS} = Trace, Table, _, Dump) -> @@ -2014,8 +2021,10 @@ trace_spawn(Table, Pid, MFArgs, TS, Parent) -> ets:insert(Table, #proc{id = Pid, parent = Parent, spawned_as = MFArgs}); _ -> - throw({inconsistent_trace_data, ?MODULE, ?LINE, - [Pid, MFArgs, TS, Parent, Stack]}) + %% In 19.0 we get both a spawn and spawned event, + %% however we do not know the order so we just ignore + %% the second event that comes + ok end. diff --git a/lib/tools/test/fprof_SUITE.erl b/lib/tools/test/fprof_SUITE.erl index 244bdaaf0e..e18d384b52 100644 --- a/lib/tools/test/fprof_SUITE.erl +++ b/lib/tools/test/fprof_SUITE.erl @@ -985,10 +985,15 @@ handle_trace({trace_ts,Pid,spawn,NewPid,{M,F,Args},TS},P) -> MFA = {M,F,length(Args)}, ?dbg("~p",[{{spawn,Pid,NewPid,MFA},get(Pid)}]), T = ts_sub(TS,get({Pid,last_ts})), - put({NewPid,last_ts},TS), - put(NewPid,[suspend,MFA]), - insert(NewPid,suspend), - insert(NewPid,MFA), + case get(NewPid) of + undefined -> + put({NewPid,last_ts},TS), + put(NewPid,[suspend,MFA]), + insert(NewPid,suspend), + insert(NewPid,MFA); + _Else -> + ok + end, case get(Pid) of [SpawningMFA|_] = Stack -> update_own(Pid,SpawningMFA,T), @@ -996,6 +1001,19 @@ handle_trace({trace_ts,Pid,spawn,NewPid,{M,F,Args},TS},P) -> end, put({Pid,last_ts},TS), P; +handle_trace({trace_ts,NewPid,spawned,Pid,{M,F,Args},TS},P) -> + MFA = {M,F,length(Args)}, + ?dbg("~p",[{{spawned,NewPid,Pid,MFA},get(NewPid)}]), + case get(NewPid) of + undefined -> + put({NewPid,last_ts},TS), + put(NewPid,[suspend,MFA]), + insert(NewPid,suspend), + insert(NewPid,MFA); + _Else -> + ok + end, + P; handle_trace({trace_ts,Pid,exit,_Reason,TS},P) -> ?dbg("~p",[{{exit,Pid,_Reason},get(Pid)}]), T = ts_sub(TS,get({Pid,last_ts})), @@ -1023,6 +1041,7 @@ handle_trace(end_of_trace,P) -> P ! {result,[{totals,TotAcc,TotOwn}|ProcOwns]++Result}, P; handle_trace(Other,_P) -> + ct:log("Got unexpected trace message: ~p",[Other]), exit({unexpected,Other}). find_return_to(MFA,[MFA|_]=Stack) -> |