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--- GHDL Run Time (GRT) - statistics.
--- Copyright (C) 2002 - 2014 Tristan Gingold
---
--- GHDL is free software; you can redistribute it and/or modify it under
--- the terms of the GNU General Public License as published by the Free
--- Software Foundation; either version 2, or (at your option) any later
--- version.
---
--- GHDL 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
--- along with GCC; see the file COPYING. If not, write to the Free
--- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--- 02111-1307, USA.
---
--- As a special exception, if other files instantiate generics from this
--- unit, or you link this unit with other files to produce an executable,
--- this unit does not by itself cause the resulting executable to be
--- covered by the GNU General Public License. This exception does not
--- however invalidate any other reasons why the executable file might be
--- covered by the GNU Public License.
-with System; use System;
-with System.Storage_Elements; -- Work around GNAT bug.
-pragma Unreferenced (System.Storage_Elements);
-with Grt.Stdio; use Grt.Stdio;
-with Grt.Astdio; use Grt.Astdio;
-with Grt.Signals;
-with Grt.Processes;
-with Grt.Types; use Grt.Types;
-with Grt.Disp;
-
-package body Grt.Stats is
- type Clock_T is new Integer;
-
- type Time_Stats is record
- Wall : Clock_T;
- User : Clock_T;
- Sys : Clock_T;
- end record;
-
- -- Number of CLOCK_T per second.
- One_Second : Clock_T;
-
-
- -- Get number of seconds per CLOCK_T.
- function Get_Clk_Tck return Clock_T;
- pragma Import (C, Get_Clk_Tck, "grt_get_clk_tck");
-
- -- Get wall, user and system times.
- -- This is a binding to times(2).
- procedure Get_Times (Wall : Address; User : Address; Sys : Address);
- pragma Import (C, Get_Times, "grt_get_times");
-
- procedure Get_Stats (Stats : out Time_Stats)
- is
- begin
- Get_Times (Stats.Wall'Address, Stats.User'Address, Stats.Sys'Address);
- end Get_Stats;
-
- function "-" (L : Time_Stats; R : Time_Stats) return Time_Stats
- is
- begin
- return Time_Stats'(Wall => L.Wall - R.Wall,
- User => L.User - R.User,
- Sys => L.Sys - R.Sys);
- end "-";
-
- function "+" (L : Time_Stats; R : Time_Stats) return Time_Stats
- is
- begin
- return Time_Stats'(Wall => L.Wall + R.Wall,
- User => L.User + R.User,
- Sys => L.Sys + R.Sys);
- end "+";
-
- procedure Put (Stream : FILEs; Val : Clock_T)
- is
- procedure Fprintf_Clock (Stream : FILEs; A, B : Clock_T);
- pragma Import (C, Fprintf_Clock, "__ghdl_fprintf_clock");
-
- Sec : Clock_T;
- Ms : Clock_T;
- begin
- Sec := Val / One_Second;
-
- -- Avoid overflow.
- Ms := ((Val mod One_Second) * 1000) / One_Second;
-
- Fprintf_Clock (Stream, Sec, Ms);
- end Put;
-
- procedure Put (Stream : FILEs; T : Time_Stats) is
- begin
- Put (Stream, "wall: ");
- Put (Stream, T.Wall);
- Put (Stream, " user: ");
- Put (Stream, T.User);
- Put (Stream, " sys: ");
- Put (Stream, T.Sys);
- end Put;
-
- type Counter_Kind is (Counter_Elab, Counter_Order,
- Counter_Process, Counter_Update,
- Counter_Next, Counter_Resume);
-
- type Counter_Array is array (Counter_Kind) of Time_Stats;
- Counters : Counter_Array := (others => (0, 0, 0));
-
- Init_Time : Time_Stats;
- Last_Counter : Counter_Kind;
- Last_Time : Time_Stats;
-
--- -- Stats at origin.
--- Start_Time : Time_Stats;
--- End_Elab_Time : Time_Stats;
--- End_Order_Time : Time_Stats;
-
--- Start_Proc_Time : Time_Stats;
--- Proc_Times : Time_Stats;
-
--- Start_Update_Time : Time_Stats;
--- Update_Times : Time_Stats;
-
--- Start_Next_Time_Time : Time_Stats;
--- Next_Time_Times : Time_Stats;
-
--- Start_Resume_Time : Time_Stats;
--- Resume_Times : Time_Stats;
-
--- Running_Time : Time_Stats;
--- Simu_Time : Time_Stats;
-
- procedure Start_Elaboration is
- begin
- One_Second := Get_Clk_Tck;
-
- Get_Stats (Init_Time);
- Last_Time := Init_Time;
- Last_Counter := Counter_Elab;
- end Start_Elaboration;
-
- procedure Change_Counter (Cnt : Counter_Kind)
- is
- New_Time : Time_Stats;
- begin
- Get_Stats (New_Time);
- Counters (Last_Counter) := Counters (Last_Counter)
- + (New_Time - Last_Time);
- Last_Time := New_Time;
- Last_Counter := Cnt;
- end Change_Counter;
-
- procedure Start_Order is
- begin
- Change_Counter (Counter_Order);
- end Start_Order;
-
- procedure Start_Processes is
- begin
- Change_Counter (Counter_Process);
- end Start_Processes;
-
- procedure Start_Update is
- begin
- Change_Counter (Counter_Update);
- end Start_Update;
-
- procedure Start_Next_Time is
- begin
- Change_Counter (Counter_Next);
- end Start_Next_Time;
-
- procedure Start_Resume is
- begin
- Change_Counter (Counter_Resume);
- end Start_Resume;
-
- procedure End_Simulation is
- begin
- Change_Counter (Last_Counter);
- end End_Simulation;
-
- procedure Disp_Signals_Stats
- is
- use Grt.Signals;
- Nbr_No_Drivers : Ghdl_I32;
- Nbr_Resolv : Ghdl_I32;
- Nbr_Multi_Src : Ghdl_I32;
- Nbr_Active : Ghdl_I32;
- Nbr_Drivers : Ghdl_I32;
- Nbr_Direct_Drivers : Ghdl_I32;
-
- type Propagation_Kind_Array is array (Propagation_Kind_Type) of Ghdl_I32;
- Propag_Count : Propagation_Kind_Array;
-
- type Mode_Array is array (Mode_Type) of Ghdl_I32;
- Mode_Counts : Mode_Array;
-
- type Mode_Name_Type is array (Mode_Type) of String (1 .. 4);
- Mode_Names : constant Mode_Name_Type := (Mode_B1 => "B1: ",
- Mode_E8 => "E8: ",
- Mode_E32 => "E32:",
- Mode_I32 => "I32:",
- Mode_I64 => "I64:",
- Mode_F64 => "F64:");
- begin
- Put (stdout, "Number of simple signals: ");
- Put_I32 (stdout, Ghdl_I32 (Sig_Table.Last - Sig_Table.First + 1));
- New_Line;
- Put (stdout, "Number of signals with projected wave: ");
- Put_I32 (stdout, Get_Nbr_Future);
- New_Line;
-
- Nbr_No_Drivers := 0;
- Nbr_Resolv := 0;
- Nbr_Multi_Src := 0;
- Nbr_Active := 0;
- Nbr_Drivers := 0;
- Nbr_Direct_Drivers := 0;
- Mode_Counts := (others => 0);
- for I in Sig_Table.First .. Sig_Table.Last loop
- declare
- Sig : Ghdl_Signal_Ptr;
- Trans : Transaction_Acc;
- begin
- Sig := Sig_Table.Table (I);
- if Sig.S.Mode_Sig in Mode_Signal_User then
- if Sig.S.Nbr_Drivers = 0 then
- Nbr_No_Drivers := Nbr_No_Drivers + 1;
- end if;
- if Sig.S.Nbr_Drivers + Sig.Nbr_Ports > 1 then
- Nbr_Multi_Src := Nbr_Multi_Src + 1;
- end if;
- if Sig.S.Resolv /= null then
- Nbr_Resolv := Nbr_Resolv + 1;
- end if;
- Nbr_Drivers := Nbr_Drivers + Ghdl_I32 (Sig.S.Nbr_Drivers);
- for J in 1 .. Sig.S.Nbr_Drivers loop
- Trans := Sig.S.Drivers (J - 1).Last_Trans;
- if Trans /= null and then Trans.Kind = Trans_Direct then
- Nbr_Direct_Drivers := Nbr_Direct_Drivers + 1;
- end if;
- end loop;
- end if;
- Mode_Counts (Sig.Mode) := Mode_Counts (Sig.Mode) + 1;
- if Sig.Has_Active then
- Nbr_Active := Nbr_Active + 1;
- end if;
- end;
- end loop;
- Put (stdout, "Number of non-driven simple signals: ");
- Put_I32 (stdout, Nbr_No_Drivers);
- New_Line;
- Put (stdout, "Number of resolved simple signals: ");
- Put_I32 (stdout, Nbr_Resolv);
- New_Line;
- Put (stdout, "Number of multi-sourced signals: ");
- Put_I32 (stdout, Nbr_Multi_Src);
- New_Line;
- Put (stdout, "Number of signals whose activity is managed: ");
- Put_I32 (stdout, Nbr_Active);
- New_Line;
- Put (stdout, "Number of drivers: ");
- Put_I32 (stdout, Nbr_Drivers);
- New_Line;
- Put (stdout, "Number of direct drivers: ");
- Put_I32 (stdout, Nbr_Direct_Drivers);
- New_Line;
- Put (stdout, "Number of signals per mode:");
- New_Line;
- for I in Mode_Type loop
- Put (stdout, " ");
- Put (stdout, Mode_Names (I));
- Put (stdout, " ");
- Put_I32 (stdout, Mode_Counts (I));
- New_Line;
- end loop;
- New_Line;
-
- Propag_Count := (others => 0);
- for I in Propagation.First .. Propagation.Last loop
- Propag_Count (Propagation.Table (I).Kind) :=
- Propag_Count (Propagation.Table (I).Kind) + 1;
- end loop;
-
- Put (stdout, "Propagation table length: ");
- Put_I32 (stdout, Ghdl_I32 (Grt.Signals.Propagation.Last));
- New_Line;
- Put (stdout, "Propagation table count:");
- New_Line;
- for I in Propagation_Kind_Type loop
- if Propag_Count (I) /= 0 then
- Put (stdout, " ");
- Grt.Disp.Disp_Propagation_Kind (I);
- Put (stdout, ": ");
- Put_I32 (stdout, Propag_Count (I));
- New_Line;
- end if;
- end loop;
- end Disp_Signals_Stats;
-
- -- Disp all statistics.
- procedure Disp_Stats
- is
- N : Natural;
- begin
- Put (stdout, "total: ");
- Put (stdout, Last_Time - Init_Time);
- New_Line (stdout);
- Put (stdout, " elab: ");
- Put (stdout, Counters (Counter_Elab));
- New_Line (stdout);
- Put (stdout, " internal elab: ");
- Put (stdout, Counters (Counter_Order));
- New_Line (stdout);
- Put (stdout, " cycle (sum): ");
- Put (stdout, Counters (Counter_Process) + Counters (Counter_Resume)
- + Counters (Counter_Update) + Counters (Counter_Next));
- New_Line (stdout);
- Put (stdout, " processes: ");
- Put (stdout, Counters (Counter_Process));
- New_Line (stdout);
- Put (stdout, " resume: ");
- Put (stdout, Counters (Counter_Resume));
- New_Line (stdout);
- Put (stdout, " update: ");
- Put (stdout, Counters (Counter_Update));
- New_Line (stdout);
- Put (stdout, " next compute: ");
- Put (stdout, Counters (Counter_Next));
- New_Line (stdout);
-
- Disp_Signals_Stats;
-
- Put (stdout, "Number of delta cycles: ");
- Put_I32 (stdout, Ghdl_I32 (Processes.Nbr_Delta_Cycles));
- New_Line;
- Put (stdout, "Number of non-delta cycles: ");
- Put_I32 (stdout, Ghdl_I32 (Processes.Nbr_Cycles));
- New_Line;
-
- Put (stdout, "Nbr of events: ");
- Put_I32 (stdout, Signals.Nbr_Events);
- New_Line;
- Put (stdout, "Nbr of active: ");
- Put_I32 (stdout, Signals.Nbr_Active);
- New_Line;
-
- Put (stdout, "Number of processes: ");
- Put_I32 (stdout, Ghdl_I32 (Grt.Processes.Get_Nbr_Processes));
- New_Line;
- Put (stdout, "Number of sensitized processes: ");
- Put_I32 (stdout, Ghdl_I32 (Grt.Processes.Get_Nbr_Sensitized_Processes));
- New_Line;
- Put (stdout, "Number of resumed processes: ");
- Put_I32 (stdout, Ghdl_I32 (Grt.Processes.Get_Nbr_Resumed_Processes));
- New_Line;
- Put (stdout, "Average number of resumed processes per cycle: ");
- N := Processes.Nbr_Delta_Cycles + Processes.Nbr_Cycles;
- if N = 0 then
- Put (stdout, "-");
- else
- Put_I32 (stdout, Ghdl_I32 (Processes.Get_Nbr_Resumed_Processes / N));
- end if;
- New_Line;
- end Disp_Stats;
-end Grt.Stats;