| 22 |
|
* and diaply them. Also it adds up all the traffic to create and print out |
| 23 |
|
* a total |
| 24 |
|
* Takes several arguments : |
| 25 |
< |
* -d <number> Takes the number of seconds to wait to get traffic sent since last call |
| 26 |
< |
* Note, this is not disk traffic per second. Its the traffic since last |
| 27 |
< |
* call. If you want it traffic per second averaged over time since last call |
| 25 |
> |
* -d <number> Takes the number of seconds to wait to get traffic sent since last call |
| 26 |
> |
* Note, this is not disk traffic per second. Its the traffic since last |
| 27 |
> |
* call. If you want it traffic per second averaged over time since last call |
| 28 |
|
* You need to divide against the time since last time this was called. The time |
| 29 |
|
* between 2 calls is stored in systime in the disk_stat_t structure. |
| 30 |
|
* -b Display in bytes |
| 31 |
|
* -k Display in kilobytes |
| 32 |
< |
* -m Display in megabytes |
| 32 |
> |
* -m Display in megabytes |
| 33 |
|
*/ |
| 34 |
|
|
| 35 |
|
#include <stdio.h> |
| 51 |
|
int num_diskio_stats; |
| 52 |
|
|
| 53 |
|
/* Parse command line options */ |
| 54 |
< |
while ((c = getopt(argc, argv, "d:bkm")) != EOF){ |
| 54 |
> |
while ((c = getopt(argc, argv, "d:bkm")) != -1){ |
| 55 |
|
switch (c){ |
| 56 |
|
case 'd': |
| 57 |
|
delay = atoi(optarg); |
| 68 |
|
} |
| 69 |
|
} |
| 70 |
|
|
| 71 |
< |
/* We are not intrested in the amount of traffic ever transmitted, just differences. |
| 71 |
> |
/* Initialise statgrab */ |
| 72 |
> |
statgrab_init(); |
| 73 |
> |
|
| 74 |
> |
/* Drop setuid/setgid privileges. */ |
| 75 |
> |
if (statgrab_drop_privileges() != 0) { |
| 76 |
> |
perror("Error. Failed to drop privileges"); |
| 77 |
> |
return 1; |
| 78 |
> |
} |
| 79 |
> |
|
| 80 |
> |
/* We are not interested in the amount of traffic ever transmitted, just differences. |
| 81 |
|
* Because of this, we do nothing for the very first call. |
| 82 |
|
*/ |
| 83 |
< |
|
| 83 |
> |
|
| 84 |
|
diskio_stats = get_diskio_stats_diff(&num_diskio_stats); |
| 85 |
|
if (diskio_stats == NULL){ |
| 86 |
|
perror("Error. Failed to get disk stats"); |
| 89 |
|
|
| 90 |
|
/* Clear the screen ready for display the disk stats */ |
| 91 |
|
printf("\033[2J"); |
| 92 |
< |
|
| 92 |
> |
|
| 93 |
|
/* Keep getting the disk stats */ |
| 94 |
|
while ( (diskio_stats = get_diskio_stats_diff(&num_diskio_stats)) != NULL){ |
| 95 |
|
int x; |
| 109 |
|
break; |
| 110 |
|
case 'k': |
| 111 |
|
printf("\033[%d;2H%-25s : %5lld k", line_number++, "Disk read", (diskio_stats->read_bytes / 1024)); |
| 112 |
< |
printf("\033[%d;2H%-25s : %5lld", line_number++, "Disk write", (diskio_stats->write_bytes / 1024)); |
| 113 |
< |
break; |
| 112 |
> |
printf("\033[%d;2H%-25s : %5lld", line_number++, "Disk write", (diskio_stats->write_bytes / 1024)); |
| 113 |
> |
break; |
| 114 |
|
case 'm': |
| 115 |
|
printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Disk read", diskio_stats->read_bytes / (1024.00*1024.00)); |
| 116 |
|
printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Disk write", diskio_stats->write_bytes / (1024.00*1024.00)); |
| 117 |
|
} |
| 118 |
|
printf("\033[%d;2H%-25s : %ld ", line_number++, "Disk systime", (long) diskio_stats->systime); |
| 119 |
< |
|
| 119 |
> |
|
| 120 |
|
/* Add a blank line between interfaces */ |
| 121 |
|
line_number++; |
| 122 |
|
|
| 128 |
|
* to keep track of the orginal pointer to free later */ |
| 129 |
|
diskio_stats++; |
| 130 |
|
} |
| 131 |
< |
|
| 131 |
> |
|
| 132 |
|
printf("\033[%d;2H%-25s : %-10s", line_number++, "Disk Name", "Total Disk IO"); |
| 133 |
|
switch(units){ |
| 134 |
|
case 'b': |
| 144 |
|
printf("\033[%d;2H%-25s : %5.2f m", line_number++, "Disk Total write", (total_write / (1024.00*1024.00))); |
| 145 |
|
break; |
| 146 |
|
} |
| 147 |
< |
|
| 147 |
> |
|
| 148 |
|
fflush(stdout); |
| 149 |
|
|
| 150 |
|
sleep(delay); |
