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295 | -- Abstract :
--
-- Summarize error recover log.
--
-- Copyright (C) 2019 - 2021 Stephen Leake All Rights Reserved.
--
-- This program is free software; you can redistribute it and/or
-- modify it under terms of the GNU General Public License as
-- published by the Free Software Foundation; either version 3, or (at
-- your option) any later version. This program is distributed in the
-- hope that it will be useful, but WITHOUT ANY WARRANTY; without even
-- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-- PURPOSE. See the GNU General Public License for more details. You
-- should have received a copy of the GNU General Public License
-- distributed with this program; see file COPYING. If not, write to
-- the Free Software Foundation, 51 Franklin Street, Suite 500, Boston,
-- MA 02110-1335, USA.
pragma License (GPL);
with Ada.Command_Line;
with Ada.Exceptions;
with Ada.Long_Float_Text_IO;
with Ada.Strings.Fixed; use Ada.Strings.Fixed;
with Ada.Strings.Maps;
with Ada.Text_IO; use Ada.Text_IO;
with GNAT.Traceback.Symbolic;
with SAL.Gen_Stats.Gen_Image;
with SAL.Long_Float_Stats;
with WisiToken.Parse.LR;
procedure Recover_Stats
is
subtype Strategies is WisiToken.Parse.LR.Strategies;
File : File_Type;
Delimiters : constant Ada.Strings.Maps.Character_Set := Ada.Strings.Maps.To_Set (",() ");
Number : constant Ada.Strings.Maps.Character_Set := Ada.Strings.Maps.To_Set ("0123456789");
type Strategy_Counts is array (Strategies) of Natural;
type Recover_Label is (Full, Partial);
type Recover_Summary is record
Event_Count : Integer := 0;
-- 1 per recover event (1 line in log file)
Enqueue_Stats : SAL.Long_Float_Stats.Stats_Type;
Check_Stats : SAL.Long_Float_Stats.Stats_Type;
Strat_Counts_Total : Strategy_Counts := (others => 0);
Strat_Counts_Present : Strategy_Counts := (others => 0);
-- 1 per recover event if used
Recover_Count_Present : Integer := 0;
-- 1 per parser in recover result
Recover_Count_Total : Integer := 0;
-- Sum of all strategy counts
Fail_Event_Count : Integer := 0; -- for all reasons
Fail_Enqueue_Limit : Integer := 0;
Fail_No_Configs_Left : Integer := 0;
Fail_Programmer_Error : Integer := 0;
Fail_Other : Integer := 0;
end record;
Summary : array (Recover_Label) of Recover_Summary;
begin
Open (File, In_File, Ada.Command_Line.Argument (1));
loop
exit when End_Of_File (File);
declare
-- The recover log is written by code in
-- wisitoken-parse-lr-parser.adb Recover_To_Log
--
-- A line has the syntax:
-- yyyy-mm-dd hh:mm:ss <partial> <success> pre_parser_count '<file_name>' (<parser_data>)...
--
-- where there is one (<parser_data) for each parser active after recover. <parser_data> is:
--
-- (<strategy_counts>) <enqueue_count> <check_count> <success>
--
-- Note that the per-parser success is always TRUE; it would not be
-- active if recover had failed.
Line : constant String := Get_Line (File);
First : Integer := Index (Line, " "); -- after date
Last : Integer;
Label : Recover_Label := Full;
function Line_Eq (Item : in String) return Boolean
is begin
return Line (First .. First + Item'Length - 1) = Item;
end Line_Eq;
function Next_Integer return Integer
is begin
Find_Token
(Line, Number,
From => Last + 1,
Test => Ada.Strings.Inside,
First => First,
Last => Last);
return Integer'Value (Line (First .. Last));
exception
when Constraint_Error =>
raise Constraint_Error with "bad integer '" & Line (First .. Last - 1) & "' " &
Ada.Text_IO.Count'Image (Ada.Text_IO.Line (File) - 1) & First'Image & Last'Image;
end Next_Integer;
function Next_Boolean return Boolean
is begin
First := Last + 2;
Last := -1 + Index (Line, Delimiters, First);
return Boolean'Value (Line (First .. Last));
end Next_Boolean;
function Read_Strat_Counts return Strategy_Counts
is
Temp : constant Integer := Index (Line, "(", Last + 1);
begin
if Temp = 0 then
-- recover failed; no strategy counts output
return (others => 0);
else
Last := Temp;
end if;
return Result : Strategy_Counts := (others => 0) do
for I in Strategies loop
Result (I) := Next_Integer;
end loop;
Last := 1 + Index (Line, ")", Last + 1);
end return;
end Read_Strat_Counts;
begin
First := Index (Line, " ", First + 1); -- after time
Last := Index (Line, " ", First + 1); -- after Partial_Parse_Active
if Boolean'Value (Line (First + 1 .. Last - 1)) then
Label := Partial;
end if;
First := Last + 1;
if Line (First .. First + 3) = "FAIL" then
Summary (Label).Event_Count := Summary (Label).Event_Count + 1;
Summary (Label).Fail_Event_Count := Summary (Label).Fail_Event_Count + 1;
First := First + 5;
if Line_Eq ("NO_CONFIGS_LEFT") then
Summary (Label).Fail_No_Configs_Left := Summary (Label).Fail_No_Configs_Left + 1;
elsif Line_Eq ("ENQUEUE_LIMIT") then
Summary (Label).Fail_Enqueue_Limit := Summary (Label).Fail_Enqueue_Limit + 1;
elsif Line_Eq ("PROGRAMMER_ERROR") then
Summary (Label).Fail_Programmer_Error := Summary (Label).Fail_Programmer_Error + 1;
else
Summary (Label).Fail_Other := Summary (Label).Fail_Other + 1;
end if;
else
-- Process per-parser data
Last := Index (Line, "(", Last + 1);
One_Line :
loop
exit One_Line when Line (Last + 1) = ')';
Summary (Label).Event_Count := Summary (Label).Event_Count + 1;
-- One event per parser, so event_count > strategy_count
declare
Strat_Counts : constant Strategy_Counts := Read_Strat_Counts;
Enqueue_Count : constant Integer := Next_Integer;
Check_Count : constant Integer := Next_Integer;
Success : constant Boolean := Next_Boolean;
pragma Unreferenced (Success);
begin
Summary (Label).Recover_Count_Present := Summary (Label).Recover_Count_Present + 1;
Summary (Label).Enqueue_Stats.Accumulate (Long_Float (Enqueue_Count));
Summary (Label).Check_Stats.Accumulate (Long_Float (Check_Count));
for I in Strategies loop
if Strat_Counts (I) > 20 then
-- Something got garbled
Put_Line (Standard_Error, "strat_counts error: line" &
Ada.Text_IO.Count'Image (Ada.Text_IO.Line (File) - 1) &
Strat_Counts (I)'Image);
exit One_Line;
else
Summary (Label).Recover_Count_Total :=
Summary (Label).Recover_Count_Total + Strat_Counts (I);
Summary (Label).Strat_Counts_Total (I) :=
Summary (Label).Strat_Counts_Total (I) + Strat_Counts (I);
if Strat_Counts (I) > 0 then
Summary (Label).Strat_Counts_Present (I) := Summary (Label).Strat_Counts_Present (I) + 1;
end if;
end if;
end loop;
end;
end loop One_Line;
end if;
if Summary (Label).Event_Count mod 1000 = 0 then
Put_Line (Standard_Error,
"line:" & Ada.Text_IO.Count'Image (Ada.Text_IO.Line (File) - 1) & " " &
Summary (Label).Recover_Count_Total'Image);
end if;
exception
when E : Constraint_Error =>
-- a line got garbled by a glitch; go on to the next
Put_Line (Standard_Error, "CONSTRAINT_ERROR: line" & Ada.Text_IO.Count'Image (Ada.Text_IO.Line (File) - 1) &
" " & Ada.Exceptions.Exception_Message (E));
end;
end loop;
declare
use Ada.Strings;
Label_Field : String (1 .. 23); -- fits strategy and fail labels
Count_Field : String (1 .. 8);
Percent_Field : String (1 .. 4);
-- Shared by Put_If, Put_Percent
procedure Put_If
(Summary_Label : in Recover_Label;
Name : in String;
Count : in Integer;
Always : in Boolean := False)
is
Percent_Present : constant Integer :=
Integer (100.0 * Float (Count) / Float (Summary (Summary_Label).Event_Count));
begin
if Count > 0 or Always then
Move (Name, Label_Field); Put (Label_Field & " => ");
Move (Count'Image, Count_Field, Justify => Right); Put (Count_Field);
Move (Percent_Present'Image & "%", Percent_Field, Justify => Right); Put_Line (Percent_Field);
end if;
end Put_If;
package Stats_Image is new SAL.Long_Float_Stats.Gen_Image
(Real_IO => Ada.Long_Float_Text_IO,
Default_Mean_Fore => 7,
Default_Mean_Aft => 0,
Default_Mean_Exp => 0,
Default_Sd_Fore => 7,
Default_Sd_Aft => 1,
Default_Sd_Exp => 0);
procedure Put_Percent (Summary_Label : in Recover_Label; Present, Total : in Integer; Name : in String)
is
Percent_Present : constant Integer :=
Integer (100.0 * Float (Present) / Float (Summary (Summary_Label).Recover_Count_Present));
Percent_Total : constant Integer :=
Integer (100.0 * Float (Total) / Float (Summary (Summary_Label).Recover_Count_Total));
begin
Move (Name, Label_Field); Put (Label_Field);
Move (Present'Image, Count_Field, Justify => Right); Put (Count_Field);
Move (Percent_Present'Image & "%", Percent_Field, Justify => Right); Put (Percent_Field & " /");
Move (Total'Image, Count_Field, Justify => Right); Put (Count_Field);
Move (Percent_Total'Image & "%", Percent_Field, Justify => Right); Put_Line (Percent_Field);
end Put_Percent;
begin
for I in Recover_Label loop
Put_Line (I'Image);
Put_Line ("present/total:" & Summary (I).Event_Count'Image & " /" & Summary (I).Recover_Count_Total'Image);
if Summary (I).Event_Count > 0 then
Put_Line (" mean std. dev. min max");
Put_Line ("Enqueue: " & Stats_Image.Image (Summary (I).Enqueue_Stats.Display));
Put_Line ("Check: " & Stats_Image.Image (Summary (I).Check_Stats.Display));
Put_If (I, "FAIL", Summary (I).Fail_Event_Count, Always => True);
Put_If (I, "FAIL_ENQUEUE_LIMIT", Summary (I).Fail_Enqueue_Limit);
Put_If (I, "FAIL_NO_CONFIGS_LEFT", Summary (I).Fail_No_Configs_Left);
Put_If (I, "FAIL_PROGRAMMER_ERROR", Summary (I).Fail_Programmer_Error);
Put_If (I, "FAIL_OTHER", Summary (I).Fail_Other);
for J in Strategies loop
Put_Percent
(I,
Summary (I).Strat_Counts_Present (J),
Summary (I).Strat_Counts_Total (J),
J'Image);
end loop;
end if;
New_Line;
end loop;
end;
exception
when E : others =>
Put_Line (Ada.Exceptions.Exception_Name (E) & ": " & Ada.Exceptions.Exception_Message (E));
Put_Line (GNAT.Traceback.Symbolic.Symbolic_Traceback (E));
end Recover_Stats;
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