doc/generated/examples/troubleshoot_taskmastertrace_1.xml

   1 <screen xmlns="http://www.scons.org/dbxsd/v1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">% <userinput>scons -Q --taskmastertrace=- prog</userinput>
   2 Job.NewParallel._work(): [Thread:8445988672] Gained exclusive access
   3 Job.NewParallel._work(): [Thread:8445988672] Starting search
   4 Job.NewParallel._work(): [Thread:8445988672] Found 0 completed tasks to process
   5 Job.NewParallel._work(): [Thread:8445988672] Searching for new tasks
   6
   7 Taskmaster: Looking for a node to evaluate
   8 Taskmaster:     Considering node &lt;no_state   0   'prog'&gt; and its children:
   9 Taskmaster:        &lt;no_state   0   'prog.o'&gt;
  10 Taskmaster:      adjusted ref count: &lt;pending    1   'prog'&gt;, child 'prog.o'
  11 Taskmaster:     Considering node &lt;no_state   0   'prog.o'&gt; and its children:
  12 Taskmaster:        &lt;no_state   0   'prog.c'&gt;
  13 Taskmaster:        &lt;no_state   0   'inc.h'&gt;
  14 Taskmaster:      adjusted ref count: &lt;pending    1   'prog.o'&gt;, child 'prog.c'
  15 Taskmaster:      adjusted ref count: &lt;pending    2   'prog.o'&gt;, child 'inc.h'
  16 Taskmaster:     Considering node &lt;no_state   0   'prog.c'&gt; and its children:
  17 Taskmaster: Evaluating &lt;pending    0   'prog.c'&gt;
  18
  19 Task.make_ready_current(): node &lt;pending    0   'prog.c'&gt;
  20 Task.prepare():      node &lt;up_to_date 0   'prog.c'&gt;
  21 Job.NewParallel._work(): [Thread:8445988672] Found internal task
  22 Task.executed_with_callbacks(): node &lt;up_to_date 0   'prog.c'&gt;
  23 Task.postprocess():  node &lt;up_to_date 0   'prog.c'&gt;
  24 Task.postprocess():  removing &lt;up_to_date 0   'prog.c'&gt;
  25 Task.postprocess():  adjusted parent ref count &lt;pending    1   'prog.o'&gt;
  26 Job.NewParallel._work(): [Thread:8445988672] Searching for new tasks
  27
  28 Taskmaster: Looking for a node to evaluate
  29 Taskmaster:     Considering node &lt;no_state   0   'inc.h'&gt; and its children:
  30 Taskmaster: Evaluating &lt;pending    0   'inc.h'&gt;
  31
  32 Task.make_ready_current(): node &lt;pending    0   'inc.h'&gt;
  33 Task.prepare():      node &lt;up_to_date 0   'inc.h'&gt;
  34 Job.NewParallel._work(): [Thread:8445988672] Found internal task
  35 Task.executed_with_callbacks(): node &lt;up_to_date 0   'inc.h'&gt;
  36 Task.postprocess():  node &lt;up_to_date 0   'inc.h'&gt;
  37 Task.postprocess():  removing &lt;up_to_date 0   'inc.h'&gt;
  38 Task.postprocess():  adjusted parent ref count &lt;pending    0   'prog.o'&gt;
  39 Job.NewParallel._work(): [Thread:8445988672] Searching for new tasks
  40
  41 Taskmaster: Looking for a node to evaluate
  42 Taskmaster:     Considering node &lt;pending    0   'prog.o'&gt; and its children:
  43 Taskmaster:        &lt;up_to_date 0   'prog.c'&gt;
  44 Taskmaster:        &lt;up_to_date 0   'inc.h'&gt;
  45 Taskmaster: Evaluating &lt;pending    0   'prog.o'&gt;
  46
  47 Task.make_ready_current(): node &lt;pending    0   'prog.o'&gt;
  48 Task.prepare():      node &lt;executing  0   'prog.o'&gt;
  49 Job.NewParallel._work(): [Thread:8445988672] Found task requiring execution
  50 Job.NewParallel._work(): [Thread:8445988672] Executing task
  51 Task.execute():      node &lt;executing  0   'prog.o'&gt;
  52 cc -o prog.o -c -I. prog.c
  53 Job.NewParallel._work(): [Thread:8445988672] Enqueueing executed task results
  54 Job.NewParallel._work(): [Thread:8445988672] Gained exclusive access
  55 Job.NewParallel._work(): [Thread:8445988672] Starting search
  56 Job.NewParallel._work(): [Thread:8445988672] Found 1 completed tasks to process
  57 Task.executed_with_callbacks(): node &lt;executing  0   'prog.o'&gt;
  58 Task.postprocess():  node &lt;executed   0   'prog.o'&gt;
  59 Task.postprocess():  removing &lt;executed   0   'prog.o'&gt;
  60 Task.postprocess():  adjusted parent ref count &lt;pending    0   'prog'&gt;
  61 Job.NewParallel._work(): [Thread:8445988672] Searching for new tasks
  62
  63 Taskmaster: Looking for a node to evaluate
  64 Taskmaster:     Considering node &lt;pending    0   'prog'&gt; and its children:
  65 Taskmaster:        &lt;executed   0   'prog.o'&gt;
  66 Taskmaster: Evaluating &lt;pending    0   'prog'&gt;
  67
  68 Task.make_ready_current(): node &lt;pending    0   'prog'&gt;
  69 Task.prepare():      node &lt;executing  0   'prog'&gt;
  70 Job.NewParallel._work(): [Thread:8445988672] Found task requiring execution
  71 Job.NewParallel._work(): [Thread:8445988672] Executing task
  72 Task.execute():      node &lt;executing  0   'prog'&gt;
  73 cc -o prog prog.o
  74 Job.NewParallel._work(): [Thread:8445988672] Enqueueing executed task results
  75 Job.NewParallel._work(): [Thread:8445988672] Gained exclusive access
  76 Job.NewParallel._work(): [Thread:8445988672] Starting search
  77 Job.NewParallel._work(): [Thread:8445988672] Found 1 completed tasks to process
  78 Task.executed_with_callbacks(): node &lt;executing  0   'prog'&gt;
  79 Task.postprocess():  node &lt;executed   0   'prog'&gt;
  80 Job.NewParallel._work(): [Thread:8445988672] Searching for new tasks
  81
  82 Taskmaster: Looking for a node to evaluate
  83 Taskmaster: No candidate anymore.
  84 Job.NewParallel._work(): [Thread:8445988672] Found no task requiring execution, and have no jobs: marking complete
  85 Job.NewParallel._work(): [Thread:8445988672] Gained exclusive access
  86 Job.NewParallel._work(): [Thread:8445988672] Completion detected, breaking from main loop
  87 </screen>