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author | Piotr Dorobisz <[email protected]> | 2011-03-09 13:47:04 +0100 |
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committer | Henrik Nord <[email protected]> | 2011-08-30 15:22:18 +0200 |
commit | cb2d32fdd68656ed05636456816e51d9654fbbff (patch) | |
tree | 8428b889a7f2adc39c22abfd8e77824c4bef7be3 /lib | |
parent | b3b322fd0b4d3fbabcf28035f3a62b068f8f3296 (diff) | |
download | otp-cb2d32fdd68656ed05636456816e51d9654fbbff.tar.gz otp-cb2d32fdd68656ed05636456816e51d9654fbbff.tar.bz2 otp-cb2d32fdd68656ed05636456816e51d9654fbbff.zip |
Flush file trace port buffers with given frequency
Diffstat (limited to 'lib')
-rw-r--r-- | lib/observer/src/ttb.erl | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/lib/observer/src/ttb.erl b/lib/observer/src/ttb.erl index 78c065d2eb..24ee94e2d2 100644 --- a/lib/observer/src/ttb.erl +++ b/lib/observer/src/ttb.erl @@ -132,10 +132,17 @@ opt([resume|O],{PI,Client,Traci}) -> opt(O,{PI,Client,[{resume, {true, ?fetch_time}}|Traci]}); opt([{resume,MSec}|O],{PI,Client,Traci}) -> opt(O,{PI,Client,[{resume, {true, MSec}}|Traci]}); +opt([{flush,MSec}|O],{PI,Client,Traci}) -> + opt(O,{PI,Client,[{flush, MSec}|Traci]}); opt([],Opt) -> ensure_opt(Opt). ensure_opt({PI,Client,Traci}) -> + case {proplists:get_value(flush, Traci), Client} of + {undefined, _} -> ok; + {_, {local, _}} -> exit(flush_unsupported_with_ip_trace_port); + {_,_} -> ok + end, case {proplists:get_value(shell, Traci), Client} of {undefined, _} -> {PI, Client, Traci}; {true, ?MODULE} -> {PI, {local, ?MODULE}, Traci}; @@ -606,6 +613,7 @@ init(Parent, SessionInfo) -> ets:new(?history_table,[ordered_set,named_table,public]), Parent ! {started,self()}, NewSessionInfo = [{partials, 0}, {dead_nodes, []} | SessionInfo], + try_send_flush_tick(NewSessionInfo), loop(dict:new(), NewSessionInfo). loop(NodeInfo, SessionInfo) -> @@ -652,6 +660,10 @@ loop(NodeInfo, SessionInfo) -> {MSec, StopOpts} -> erlang:send_after(MSec, self(), {timeout, StopOpts}) end, loop(NodeInfo, SessionInfo); + flush_timeout -> + [ dbg:flush_trace_port(Node) || Node <- dict:fetch_keys(NodeInfo) ], + try_send_flush_tick(SessionInfo), + loop(NodeInfo, SessionInfo); {stop,nofetch,Sender} -> write_config(?last_config, all), dict:fold( @@ -668,7 +680,7 @@ loop(NodeInfo, SessionInfo) -> Localhost = host(node()), Dir = get_fetch_dir(UserDir), file:make_dir(Dir), - %% The nodes are traversed twice here because + %% The nodes are traversed twice here because %% the meta tracing in observer_backend must be %% stopped before dbg is stopped, and dbg must %% be stopped before the trace logs are moved orelse @@ -714,6 +726,14 @@ make_node_alive(Node, SessionInfo) -> SessionInfo2 = lists:keyreplace(dead_nodes, 1, SessionInfo, {dead_nodes, Dn2}), {MetaFile, Partials + 1, lists:keyreplace(partials, 1, SessionInfo2, {partials, Partials + 1})}. +try_send_flush_tick(State) -> + case proplists:get_value(flush, State) of + undefined -> + ok; + MSec -> + erlang:send_after(MSec, self(), flush_timeout) + end. + get_fetch_dir(undefined) -> ?upload_dir ++ ts(); get_fetch_dir(Dir) -> Dir. |