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1 /**
2  * @file opd_24_stats.c
3  * Management of daemon statistics
4  *
5  * @remark Copyright 2002 OProfile authors
6  * @remark Read the file COPYING
7  *
8  * @author John Levon
9  * @author Philippe Elie
10  */
11 
12 #include "opd_24_stats.h"
13 #include "opd_proc.h"
14 #include "opd_image.h"
15 #include "oprofiled.h"
16 
17 #include "op_get_time.h"
18 
19 #include <stdlib.h>
20 #include <stdio.h>
21 
22 unsigned long opd_24_stats[OPD_MAX_STATS];
23 
opd_print_24_stats(void)24 void opd_print_24_stats(void)
25 {
26 	printf("\n%s\n", op_get_time());
27 	printf("Nr. proc struct: %d\n", opd_get_nr_procs());
28 	printf("Nr. image struct: %d\n", opd_get_nr_images());
29 	printf("Nr. kernel samples: %lu\n", opd_24_stats[OPD_KERNEL]);
30 	printf("Nr. modules samples: %lu\n", opd_24_stats[OPD_MODULE]);
31 	printf("Nr. modules samples lost: %lu\n", opd_24_stats[OPD_LOST_MODULE]);
32 	printf("Nr. samples lost due to no process information: %lu\n",
33 		opd_24_stats[OPD_LOST_PROCESS]);
34 	printf("Nr. samples lost due to sample file open failure: %lu\n",
35 		opd_24_stats[OPD_LOST_SAMPLEFILE]);
36 	printf("Nr. process samples in user-space: %lu\n", opd_24_stats[OPD_PROCESS]);
37 	printf("Nr. samples lost due to no map information: %lu\n",
38 		opd_24_stats[OPD_LOST_MAP_PROCESS]);
39 	if (opd_24_stats[OPD_PROC_QUEUE_ACCESS]) {
40 		printf("Average depth of search of proc queue: %f\n",
41 			(double)opd_24_stats[OPD_PROC_QUEUE_DEPTH]
42 			/ (double)opd_24_stats[OPD_PROC_QUEUE_ACCESS]);
43 	}
44 	if (opd_24_stats[OPD_MAP_ARRAY_ACCESS]) {
45 		printf("Average depth of iteration through mapping array: %f\n",
46 			(double)opd_24_stats[OPD_MAP_ARRAY_DEPTH]
47 			/ (double)opd_24_stats[OPD_MAP_ARRAY_ACCESS]);
48 	}
49 	if (opd_24_stats[OPD_IMAGE_HASH_ACCESS]) {
50 		printf("Average depth of iteration through image hash array: %f\n",
51 			(double)opd_24_stats[OPD_IMAGE_HASH_DEPTH]
52 			/ (double)opd_24_stats[OPD_IMAGE_HASH_ACCESS]);
53 	}
54 	printf("Nr. sample dumps: %lu\n", opd_24_stats[OPD_DUMP_COUNT]);
55 	printf("Nr. samples total: %lu\n", opd_24_stats[OPD_SAMPLES]);
56 	printf("Nr. notifications: %lu\n", opd_24_stats[OPD_NOTIFICATIONS]);
57 	printf("Nr. kernel note buffer overflow: %u\n",
58 	       opd_read_fs_int(OP_MOUNT, "note_buffer_overflow", 0));
59 	printf("Nr. kernel samples buffer overflow: %u\n",
60 	       opd_read_fs_int(OP_MOUNT, "buffer_overflow", 0));
61 	fflush(stdout);
62 }
63