Changeset 769

Timestamp:

Jan 20, 2016, 10:17:45 AM (9 years ago)

Author:

alain

Message:

Use the giet_fat_fprintf() system call to save instrumentation results on disk.

File:

• soft/giet_vm/applications/transpose/transpose.c (modified) (8 diffs)

soft/giet_vm/applications/transpose/transpose.c

@@ -1 @@
-///////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////
 // File   : transpose.c   
 // Date   : september 2015
 // author : Alain Greiner
-///////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////
 // This multi-threaded aplication read a raw image (one byte per pixel)
 // stored on disk, transpose it, display the result on the frame buffer,
@@ -27 +27 @@
 // a part of the transposed image to the frame buffer.
 //
-// - The image size must fit the frame buffer size.
-// - The block size in block device must be 512 bytes.
+// - The image size must fit the frame buffer width and height, that must be power of 2.
 // - The number of clusters  must be a power of 2 no larger than 256.
 // - The number of processors per cluster must be a power of 2 no larger than 4.
@@ -36 +35 @@
 // The transpose_rw.c file contains a variant that use the giet_fat_read() 
 // and giet_fat_write() system calls, to access the files.
-///////////////////////////////////////////////////////////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////////////////
 
 #include "stdio.h"
@@ -52 +51 @@
 #define OUTPUT_FILE_PATH      "/home/lena_transposed.raw"  // default output file pathname 
 #define INTERACTIVE           0                            // interactive capture of filenames 
-#define VERBOSE               0                            // print comments on TTY
+#define VERBOSE               1                            // print comments on TTY
 
 
@@ -144 +143 @@
         }
                  
-        if TRANSPOSE_DEBUG
-        printf("\n@@@ Thread[%d,%d,%d] call mmap : length = %x / offset = %x / buf_in = %x\n",
+        if ( VERBOSE )
+        printf("\n@@@ Thread[%d,%d,%d] call mmap for input file\n"
+               " length = %x / offset = %x / buf_in = %x\n",
                x_id , y_id , p_id , length , offset , buf_in[cluster_id] );
            
@@ -161 +161 @@
         }
                    
-        if TRANSPOSE_DEBUG
-        printf("\n@@@ Thread[%d,%d,%d] call mmap : length = %x / offset = %x / buf_out = %x\n",
+        if ( VERBOSE )
+        printf("\n@@@ Thread[%d,%d,%d] call mmap for output file\n"
+               " length = %x / offset = %x / buf_out = %x\n",
                x_id , y_id , p_id , length , offset , buf_out[cluster_id] );
        
@@ -273 +274 @@
     unsigned int min_disp_ended = 0xFFFFFFFF;
     unsigned int max_disp_ended = 0;
+ 
+    // open instrumentation file
+    unsigned int fd = giet_fat_open( "/home/transpose.inst" , O_CREATE );
+    if ( fd < 0 ) 
+    { 
+        printf("\n[TRANSPOSE ERROR] main cannot open file transpose.inst\n");
+        giet_pthread_exit( NULL );
+    }
 
     for (x = 0; x < x_size; x++)
@@ -301 +310 @@
            min_load_start, max_load_start, (min_load_start+max_load_start)/2, 
            max_load_start-min_load_start); 
+    giet_fat_fprintf( fd , " - MMAP_START : min = %d / max = %d / med = %d / delta = %d\n",
+           min_load_start, max_load_start, (min_load_start+max_load_start)/2, 
+           max_load_start-min_load_start); 
 
     printf(" - MMAP_END   : min = %d / max = %d / med = %d / delta = %d\n",
            min_load_ended, max_load_ended, (min_load_ended+max_load_ended)/2, 
            max_load_ended-min_load_ended); 
+    giet_fat_fprintf( fd , " - MMAP_END   : min = %d / max = %d / med = %d / delta = %d\n",
+           min_load_ended, max_load_ended, (min_load_ended+max_load_ended)/2, 
+           max_load_ended-min_load_ended); 
 
     printf(" - TRSP_START : min = %d / max = %d / med = %d / delta = %d\n",
            min_trsp_start, max_trsp_start, (min_trsp_start+max_trsp_start)/2, 
            max_trsp_start-min_trsp_start); 
+    giet_fat_fprintf( fd , " - TRSP_START : min = %d / max = %d / med = %d / delta = %d\n",
+           min_trsp_start, max_trsp_start, (min_trsp_start+max_trsp_start)/2, 
+           max_trsp_start-min_trsp_start); 
 
     printf(" - TRSP_END   : min = %d / max = %d / med = %d / delta = %d\n",
            min_trsp_ended, max_trsp_ended, (min_trsp_ended+max_trsp_ended)/2, 
            max_trsp_ended-min_trsp_ended); 
+    giet_fat_fprintf( fd , " - TRSP_END   : min = %d / max = %d / med = %d / delta = %d\n",
+           min_trsp_ended, max_trsp_ended, (min_trsp_ended+max_trsp_ended)/2, 
+           max_trsp_ended-min_trsp_ended); 
 
     printf(" - DISP_START : min = %d / max = %d / med = %d / delta = %d\n",
            min_disp_start, max_disp_start, (min_disp_start+max_disp_start)/2, 
            max_disp_start-min_disp_start); 
+    giet_fat_fprintf( fd , " - DISP_START : min = %d / max = %d / med = %d / delta = %d\n",
+           min_disp_start, max_disp_start, (min_disp_start+max_disp_start)/2, 
+           max_disp_start-min_disp_start); 
 
     printf(" - DISP_END   : min = %d / max = %d / med = %d / delta = %d\n",
            min_disp_ended, max_disp_ended, (min_disp_ended+max_disp_ended)/2, 
            max_disp_ended-min_disp_ended); 
+    giet_fat_fprintf( fd , " - DISP_END   : min = %d / max = %d / med = %d / delta = %d\n",
+           min_disp_ended, max_disp_ended, (min_disp_ended+max_disp_ended)/2, 
+           max_disp_ended-min_disp_ended); 
+
+    giet_fat_close( fd );
 
 }  // end instrument()