/*
***************************************************************************
* Check that options entered on the command line are consistent with
* selected output format. If no output format has been explicitly entered,
* then select a default one.
***************************************************************************
*/
void check_format_options(void)
{
if (!format) {
/* Select output format if none has been selected */
if (DISPLAY_HDR_ONLY(flags)) {
format = F_HEADER_OUTPUT;
}
else {
format = F_PPC_OUTPUT;
}
}
/* Get format position in array */
f_position = get_format_position(fmt, format);
/* Check options consistency wrt output format */
if (!ACCEPT_HEADER_ONLY(fmt[f_position]->options)) {
/* Remove option -H */
flags &= ~S_F_HDR_ONLY;
}
if (!ACCEPT_HORIZONTALLY(fmt[f_position]->options)) {
/* Remove option -h */
flags &= ~S_F_HORIZONTALLY;
}
if (!ACCEPT_TRUE_TIME(fmt[f_position]->options)) {
/* Remove option -t */
flags &= ~S_F_TRUE_TIME;
}
if (!ACCEPT_SEC_EPOCH(fmt[f_position]->options)) {
/* Remove option -T */
flags &= ~S_F_SEC_EPOCH;
}
}
/*
***************************************************************************
* Check system activity datafile contents before displaying stats.
* Display file header if option -H has been entered, else call function
* corresponding to selected output format.
*
* IN:
* @dfile System activity data file name.
***************************************************************************
*/
void read_stats_from_file(char dfile[])
{
struct file_magic file_magic;
struct file_activity *file_actlst = NULL;
struct tm rectime, loctime;
int ifd, ignore, tab = 0;
__nr_t cpu_nr;
/* Prepare file for reading and read its headers */
ignore = ACCEPT_BAD_FILE_FORMAT(fmt[f_position]->options);
check_file_actlst(&ifd, dfile, act, &file_magic, &file_hdr,
&file_actlst, id_seq, ignore);
/* Now pick up number of proc for this file */
cpu_nr = act[get_activity_position(act, A_CPU, EXIT_IF_NOT_FOUND)]->nr;
if (DISPLAY_HDR_ONLY(flags)) {
if (*fmt[f_position]->f_header) {
/* Display only data file header then exit */
(*fmt[f_position]->f_header)(&tab, F_BEGIN + F_END, dfile, &file_magic,
&file_hdr, cpu_nr, act, id_seq);
}
exit(0);
}
/* Perform required allocations */
allocate_structures(act);
/* Call function corresponding to selected output format */
if (format == F_SVG_OUTPUT) {
logic3_display_loop(ifd, file_actlst, cpu_nr,
&rectime, &loctime, dfile, &file_magic);
}
else if (DISPLAY_GROUPED_STATS(fmt[f_position]->options)) {
logic2_display_loop(ifd, file_actlst, cpu_nr,
&rectime, &loctime, dfile, &file_magic);
}
else {
logic1_display_loop(ifd, file_actlst, dfile,
&file_magic, cpu_nr, &rectime, &loctime);
}
close(ifd);
free(file_actlst);
free_structures(act);
}