From 5e3125f4621e00b961f89fd940ffa72715a037bd Mon Sep 17 00:00:00 2001
From: "Artem Jerdev (art_zh)" <artem@jerdev.co.uk>
Date: Mon, 30 Sep 2013 21:12:19 +0000
Subject: [PATCH] system latencies monitor presented

git-svn-id: svn://kolibrios.org@3957 a494cfbc-eb01-0410-851d-a64ba20cac60
---
 programs/system/latency/trunk/build.bat   |   3 +
 programs/system/latency/trunk/latency.asm | 135 ++++++++++++++++++++++
 programs/system/latency/trunk/makefile    |  15 +++
 3 files changed, 153 insertions(+)
 create mode 100644 programs/system/latency/trunk/build.bat
 create mode 100644 programs/system/latency/trunk/latency.asm
 create mode 100644 programs/system/latency/trunk/makefile

diff --git a/programs/system/latency/trunk/build.bat b/programs/system/latency/trunk/build.bat
new file mode 100644
index 0000000000..b40c7b454c
--- /dev/null
+++ b/programs/system/latency/trunk/build.bat
@@ -0,0 +1,3 @@
+@fasm latency.asm latency
+@kpack latency
+@pause
\ No newline at end of file
diff --git a/programs/system/latency/trunk/latency.asm b/programs/system/latency/trunk/latency.asm
new file mode 100644
index 0000000000..f1f52e868c
--- /dev/null
+++ b/programs/system/latency/trunk/latency.asm
@@ -0,0 +1,135 @@
+			;;      CPU latency test -- Art J    ;;
+
+
+  use32 	     ;
+  org	 0x0	     ;
+
+  db	 'MENUET01'  ;
+  dd	 0x01	     ;
+  dd	 START	     ;
+  dd	 I_END	     ;
+  dd	 0x4000      ;
+  dd	 0x4000      ;
+  dd	 0x0	     ;
+  dd	 0x0	     ;
+
+include '..\..\..\macros.inc' ;
+
+
+START:
+
+
+    call draw_win
+
+
+	rdtsc
+
+main_loop:
+	mov   ecx, eax		; ecx = previous timestamp
+	rdtsc			; new timestamp
+	cmp   eax, ecx
+	jb    main_loop 	; tsc overflow?
+
+	mov   ebx, eax		;
+	sub   ebx, ecx		; net clocks
+
+	cmp   ebx, [max]
+	jb    @f
+	mov   [max], ebx
+;       mcall 13, 200*65536+60, 500*65536+20, 0x00EEEEEEEE
+;       mcall 47, 0x800A0001, max, 200*65536+501
+@@:
+	push  ebx
+	fldlg2			; lg(2)
+	fild  dword[esp]
+	fyl2x
+	fimul [yscale]
+	fistp dword[esp]
+	pop   ebx		; ebx = lg(time/100) * yscale
+	sub   ebx, [yscale]
+	sub   ebx, [yscale]
+	jb    main_loop
+
+	cmp   ebx, 512
+	ja    main_loop
+
+	mov   edx, [ebx*4+data_]
+
+	inc   edx
+	mov   [ebx*4+data_], edx
+	push  edx
+	fld   qword[xscale]
+	fild  dword[esp]
+	fyl2x
+	fistp dword[esp]
+	pop   edx	      ; edx = log2(counts) * xscale
+	cmp   edx, 300
+	jge   main_loop
+
+	shl   ebx, 12		 ; 1 line = 1024 pixels
+	add   ebx, 1024*4*30 + 17*4
+	mov   dword[ebx + edx*4 + 0xFE000000], 0x00703030
+	jmp   main_loop
+
+
+
+
+;------------------------------------------------
+draw_win:
+;------------------------------------------------
+
+
+    mcall 12, 1
+    mcall 0, 300, 590, 0x14BAA6A0,,title
+; -----------------------------------------------------------------
+    mov   ecx, [yscale]
+    shl   ecx, 16
+    mov   cx,  word[yscale]
+    mov   [ytick], ecx
+    mcall 38, 16*65536+16, 30*65536+530, 0
+    mov   cx, 30
+@@:
+    mcall , 14*65536+16
+    add   ecx, [ytick]
+    cmp   cx, 512
+    jb	  @b
+
+    mcall 4, 0x00100230, 0x80000000, advise
+    mov   eax, 47
+    mov   ebx, 0x00010000
+    mov   ecx, 2
+    mov   edx, 7*65536+30
+    mov   esi, 0
+@@:
+    mcall
+    add   dx, word[yscale]
+    inc   ecx
+    cmp   dx, 512
+    jb	  @b
+
+    mcall 40, 0xC0000000	; ignore sys messages
+
+    mcall 12, 2
+
+
+ret
+
+
+align 4
+;-------------------------------------------------
+data_  dd 512 dup 1	 ; hysto
+max    dd  0
+xscale dq  7.2
+yscale dd  80
+ytick  dd  0
+
+
+    title db '   Latency test ',0
+    advise db 'Use CPU process manager to close this window)',0
+
+I_END:		; end of program
+
+	rd 256
+
+align 256
+st_0:
diff --git a/programs/system/latency/trunk/makefile b/programs/system/latency/trunk/makefile
new file mode 100644
index 0000000000..25ff2d19b8
--- /dev/null
+++ b/programs/system/latency/trunk/makefile
@@ -0,0 +1,15 @@
+#!gmake
+
+# Macro
+FASM=/opt/bin/fasm
+KPACK=/opt/bin/kpack
+FILE=latency
+SOURCE=${FILE}.asm
+OUT=${FILE}.bin
+
+en:
+	${FASM} ${SOURCE} ${OUT}
+	${KPACK} ${OUT}
+
+clean:
+	rm -f ${LANG} ${OUT}