observer: cdv add scheduler information

New info in 18.

1 files changed, 117 insertions, 0 deletions

diff --git a/lib/observer/src/cdv_sched_cb.erl b/lib/observer/src/cdv_sched_cb.erl
new file mode 100644
index 0000000000..6ef4886c5e
--- /dev/null
+++ b/lib/observer/src/cdv_sched_cb.erl
@@ -0,0 +1,117 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013-2014. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+-module(cdv_sched_cb).
+
+-export([col_to_elem/1,
+	 col_spec/0,
+	 get_info/1,
+	 get_details/2,
+	 get_detail_cols/1,
+	 detail_pages/0
+	]).
+
+-include_lib("wx/include/wx.hrl").
+-include("crashdump_viewer.hrl").
+
+%% Columns
+-define(COL_ID,  0).
+-define(COL_PROC,  ?COL_ID+1).
+-define(COL_PORT,  ?COL_PROC+1).
+-define(COL_RQL,   ?COL_PORT+1).
+-define(COL_PQL,   ?COL_RQL+1).
+
+%% Callbacks for cdv_virtual_list_wx
+col_to_elem(id) -> col_to_elem(?COL_ID);
+col_to_elem(?COL_ID)  -> #sched.name;
+col_to_elem(?COL_PROC)  -> #sched.process;
+col_to_elem(?COL_PORT)  -> #sched.port;
+col_to_elem(?COL_RQL)   -> #sched.run_q;
+col_to_elem(?COL_PQL)   -> #sched.port_q.
+
+col_spec() ->
+    [{"Id",                ?wxLIST_FORMAT_RIGHT,   50},
+     {"Current Process",   ?wxLIST_FORMAT_CENTER, 130},
+     {"Current Port",      ?wxLIST_FORMAT_CENTER, 130},
+     {"Run Queue Length",  ?wxLIST_FORMAT_RIGHT,  180},
+     {"Port Queue Length", ?wxLIST_FORMAT_RIGHT,  180}].
+
+get_info(_) ->
+    {ok,Info,TW} = crashdump_viewer:schedulers(),
+    {Info,TW}.
+
+get_details(_Id, not_found) ->
+    Info = "The scheduler you are searching for could not be found.",
+    {info,Info};
+get_details(Id, Data) ->
+    Proplist = crashdump_viewer:to_proplist(record_info(fields,sched),Data),
+    {ok,{"Scheduler: " ++ Id,Proplist,""}}.
+
+get_detail_cols(all) ->
+    {[{sched, ?COL_ID}, {process, ?COL_PROC}, {process, ?COL_PORT}],true};
+get_detail_cols(_) ->
+    {[],false}.
+
+%%%%%%%%%%%%%%%%%%%%%%%%
+
+detail_pages() ->
+    [{"Scheduler Information", fun init_gen_page/2}].
+
+init_gen_page(Parent, Info0) ->
+    Fields = info_fields(),
+    Details = proplists:get_value(details, Info0),
+    Info = if is_map(Details) -> Info0 ++ maps:to_list(Details);
+	      true -> Info0
+	   end,
+    cdv_info_wx:start_link(Parent,{Fields,Info,[]}).
+
+%%% Internal
+info_fields() ->
+    [{"Scheduler Overview",
+      [{"Id",             id},
+       {"Current Process",process},
+       {"Current Port",   port},
+       {"Sleep Info Flags", sleep_info},
+       {"Sleep Aux Work",   sleep_aux}
+      ]},
+     {"Run Queues",
+      [{"Flags",                   runq_flags},
+       {"Priority Max Length",     runq_max},
+       {"Priority High Length",    runq_high},
+       {"Priority Normal Length",  runq_norm},
+       {"Priority Low Length",     runq_low},
+       {"Port Length",     port_q}
+      ]},
+     {"Current Process",
+      [{"State",           currp_state},
+       {"Internal State",  currp_int_state},
+       {"Program Counter", currp_prg_cnt},
+       {"CP",              currp_cp},
+       {"Stack",           {currp_stack, 0}},
+       {"     ",           {currp_stack, 1}},
+       {"     ",           {currp_stack, 2}},
+       {"     ",           {currp_stack, 3}},
+       {"     ",           {currp_stack, 4}},
+       {"     ",           {currp_stack, 5}},
+       {"     ",           {currp_stack, 6}},
+       {"     ",           {currp_stack, 7}},
+       {"     ",           {currp_stack, 8}},
+       {"     ",           {currp_stack, 9}},
+       {"     ",           {currp_stack, 10}},
+       {"     ",           {currp_stack, 11}}
+      ]}
+    ].