/* *************************************************************************** * Main entry to the iostat program. *************************************************************************** */ int main(int argc, char **argv) { int it = 0; int opt = 1; int i, report_set = FALSE; long count = 1; struct utsname header; struct io_dlist *st_dev_list_i; struct tm rectime; char *t, *persist_devname, *devname; #ifdef USE_NLS /* Init National Language Support */ init_nls(); #endif /* Get HZ */ get_HZ(); /* Allocate structures for device list */ if (argc > 1) { salloc_dev_list(argc - 1 + count_csvalues(argc, argv)); } /* Process args... */ while (opt < argc) { /* -p option used individually. See below for grouped use */ if (!strcmp(argv[opt], "-p")) { flags |= I_D_PARTITIONS; if (argv[++opt] && (strspn(argv[opt], DIGITS) != strlen(argv[opt])) && (strncmp(argv[opt], "-", 1))) { flags |= I_D_UNFILTERED; for (t = strtok(argv[opt], ","); t; t = strtok(NULL, ",")) { if (!strcmp(t, K_ALL)) { flags |= I_D_PART_ALL; } else { devname = device_name(t); if (DISPLAY_PERSIST_NAME_I(flags)) { /* Get device persistent name */ persist_devname = get_pretty_name_from_persistent(devname); if (persist_devname != NULL) { devname = persist_devname; } } /* Store device name */ i = update_dev_list(&dlist_idx, devname); st_dev_list_i = st_dev_list + i; st_dev_list_i->disp_part = TRUE; } } opt++; } else { flags |= I_D_PART_ALL; } } else if (!strcmp(argv[opt], "-g")) { /* * Option -g: Stats for a group of devices. * group_name contains the last group name entered on * the command line. If we define an additional one, save * the previous one in the list. We do that this way because we * want the group name to appear in the list _after_ all * the devices included in that group. The last group name * will be saved in the list later, in presave_device_list() function. */ if (group_nr > 0) { update_dev_list(&dlist_idx, group_name); } if (argv[++opt]) { /* * MAX_NAME_LEN - 2: one char for the heading space, * and one for the trailing '\0'. */ snprintf(group_name, MAX_NAME_LEN, " %-.*s", MAX_NAME_LEN - 2, argv[opt++]); } else { usage(argv[0]); } group_nr++; } else if (!strcmp(argv[opt], "-j")) { if (argv[++opt]) { if (strnlen(argv[opt], MAX_FILE_LEN) >= MAX_FILE_LEN - 1) { usage(argv[0]); } strncpy(persistent_name_type, argv[opt], MAX_FILE_LEN - 1); persistent_name_type[MAX_FILE_LEN - 1] = '\0'; strtolower(persistent_name_type); /* Check that this is a valid type of persistent device name */ if (!get_persistent_type_dir(persistent_name_type)) { fprintf(stderr, _("Invalid type of persistent device name\n")); exit(1); } /* * Persistent names are usually long: Display * them as human readable by default. */ flags |= I_D_PERSIST_NAME + I_D_HUMAN_READ; opt++; } else { usage(argv[0]); } } #ifdef DEBUG else if (!strcmp(argv[opt], "--debuginfo")) { flags |= I_D_DEBUG; opt++; } #endif else if (!strncmp(argv[opt], "-", 1)) { for (i = 1; *(argv[opt] + i); i++) { switch (*(argv[opt] + i)) { case 'c': /* Display cpu usage */ flags |= I_D_CPU; report_set = TRUE; break; case 'd': /* Display disk utilization */ flags |= I_D_DISK; report_set = TRUE; break; case 'h': /* * Display device utilization report * in a human readable format. */ flags |= I_D_HUMAN_READ; break; case 'k': if (DISPLAY_MEGABYTES(flags)) { usage(argv[0]); } /* Display stats in kB/s */ flags |= I_D_KILOBYTES; break; case 'm': if (DISPLAY_KILOBYTES(flags)) { usage(argv[0]); } /* Display stats in MB/s */ flags |= I_D_MEGABYTES; break; case 'N': /* Display device mapper logical name */ flags |= I_D_DEVMAP_NAME; break; case 'p': /* If option -p is grouped then it cannot take an arg */ flags |= I_D_PARTITIONS + I_D_PART_ALL; break; case 'T': /* Display stats only for the groups */ flags |= I_D_GROUP_TOTAL_ONLY; break; case 't': /* Display timestamp */ flags |= I_D_TIMESTAMP; break; case 'x': /* Display extended stats */ flags |= I_D_EXTENDED; break; case 'y': /* Don't display stats since system restart */ flags |= I_D_OMIT_SINCE_BOOT; break; case 'z': /* Omit output for devices with no activity */ flags |= I_D_ZERO_OMIT; break; case 'V': /* Print version number and exit */ print_version(); break; default: usage(argv[0]); } } opt++; } else if (!isdigit(argv[opt][0])) { /* * By default iostat doesn't display unused devices. * If some devices are explictly entered on the command line * then don't apply this rule any more. */ flags |= I_D_UNFILTERED; if (strcmp(argv[opt], K_ALL)) { /* Store device name entered on the command line */ devname = device_name(argv[opt++]); if (DISPLAY_PERSIST_NAME_I(flags)) { persist_devname = get_pretty_name_from_persistent(devname); if (persist_devname != NULL) { devname = persist_devname; } } update_dev_list(&dlist_idx, devname); } else { opt++; } } else if (!it) { interval = atol(argv[opt++]); if (interval < 0) { usage(argv[0]); } count = -1; it = 1; } else if (it > 0) { count = atol(argv[opt++]); if ((count < 1) || !interval) { usage(argv[0]); } it = -1; } else { usage(argv[0]); } } if (!interval) { count = 1; } /* Default: Display CPU and DISK reports */ if (!report_set) { flags |= I_D_CPU + I_D_DISK; } /* * Also display DISK reports if options -p, -x or a device has been entered * on the command line. */ if (DISPLAY_PARTITIONS(flags) || DISPLAY_EXTENDED(flags) || DISPLAY_UNFILTERED(flags)) { flags |= I_D_DISK; } /* Option -T can only be used with option -g */ if (DISPLAY_GROUP_TOTAL_ONLY(flags) && !group_nr) { usage(argv[0]); } /* Select disk output unit (kB/s or blocks/s) */ set_disk_output_unit(); /* Ignore device list if '-p ALL' entered on the command line */ if (DISPLAY_PART_ALL(flags)) { dlist_idx = 0; } if (DISPLAY_DEVMAP_NAME(flags)) { dm_major = get_devmap_major(); } /* Init structures according to machine architecture */ io_sys_init(); if (group_nr > 0) { /* * If groups of devices have been defined * then save devices and groups in the list. */ presave_device_list(); } get_localtime(&rectime, 0); /* Get system name, release number and hostname */ uname(&header); if (print_gal_header(&rectime, header.sysname, header.release, header.nodename, header.machine, cpu_nr)) { flags |= I_D_ISO; } printf("\n"); /* Set a handler for SIGALRM */ memset(&alrm_act, 0, sizeof(alrm_act)); alrm_act.sa_handler = alarm_handler; sigaction(SIGALRM, &alrm_act, NULL); alarm(interval); /* Main loop */ rw_io_stat_loop(count, &rectime); /* Free structures */ io_sys_free(); sfree_dev_list(); return 0; }
/* *************************************************************************** * Main entry to the sadf program *************************************************************************** */ int main(int argc, char **argv) { int opt = 1, sar_options = 0; int i; char dfile[MAX_FILE_LEN]; struct tm rectime; /* Get HZ */ get_HZ(); /* Compute page shift in kB */ get_kb_shift(); dfile[0] = '\0'; #ifdef USE_NLS /* Init National Language Support */ init_nls(); #endif tm_start.use = tm_end.use = FALSE; /* Allocate and init activity bitmaps */ allocate_bitmaps(act); /* Init some structures */ init_structures(); /* Process options */ while (opt < argc) { if (!strcmp(argv[opt], "-I")) { if (argv[++opt] && sar_options) { if (parse_sar_I_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if (!strcmp(argv[opt], "-P")) { if (parse_sa_P_opt(argv, &opt, &flags, act)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "-s")) { /* Get time start */ if (parse_timestamp(argv, &opt, &tm_start, DEF_TMSTART)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "-e")) { /* Get time end */ if (parse_timestamp(argv, &opt, &tm_end, DEF_TMEND)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "--")) { sar_options = 1; opt++; } else if (!strcmp(argv[opt], "-m")) { if (argv[++opt] && sar_options) { /* Parse sar's option -m */ if (parse_sar_m_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if (!strcmp(argv[opt], "-n")) { if (argv[++opt] && sar_options) { /* Parse sar's option -n */ if (parse_sar_n_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if (!strncmp(argv[opt], "-", 1)) { /* Other options not previously tested */ if (sar_options) { if (parse_sar_opt(argv, &opt, act, &flags, C_SADF)) { usage(argv[0]); } } else { for (i = 1; *(argv[opt] + i); i++) { switch (*(argv[opt] + i)) { case 'C': flags |= S_F_COMMENT; break; case 'd': if (format) { usage(argv[0]); } format = F_DB_OUTPUT; break; case 'h': flags |= S_F_HORIZONTALLY; break; case 'H': flags |= S_F_HDR_ONLY; break; case 'j': if (format) { usage(argv[0]); } format = F_JSON_OUTPUT; break; case 'p': if (format) { usage(argv[0]); } format = F_PPC_OUTPUT; break; case 't': flags |= S_F_TRUE_TIME; break; case 'T': flags |= S_F_SEC_EPOCH; break; case 'x': if (format) { usage(argv[0]); } format = F_XML_OUTPUT; break; case 'V': print_version(); break; default: usage(argv[0]); } } } opt++; } /* Get data file name */ else if (strspn(argv[opt], DIGITS) != strlen(argv[opt])) { if (!dfile[0]) { if (!strcmp(argv[opt], "-")) { /* File name set to '-' */ set_default_file(&rectime, dfile); opt++; } else if (!strncmp(argv[opt], "-", 1)) { /* Bad option */ usage(argv[0]); } else { /* Write data to file */ strncpy(dfile, argv[opt++], MAX_FILE_LEN); dfile[MAX_FILE_LEN - 1] = '\0'; } } else { /* File already specified */ usage(argv[0]); } } else if (interval < 0) { /* Get interval */ if (strspn(argv[opt], DIGITS) != strlen(argv[opt])) { usage(argv[0]); } interval = atol(argv[opt++]); if (interval <= 0) { usage(argv[0]); } } else { /* Get count value */ if (strspn(argv[opt], DIGITS) != strlen(argv[opt])) { usage(argv[0]); } if (count) { /* Count parameter already set */ usage(argv[0]); } count = atol(argv[opt++]); if (count < 0) { usage(argv[0]); } else if (!count) { count = -1; /* To generate a report continuously */ } } } /* sadf reads current daily data file by default */ if (!dfile[0]) { set_default_file(&rectime, dfile); } if (tm_start.use && tm_end.use && (tm_end.tm_hour < tm_start.tm_hour)) { tm_end.tm_hour += 24; } if (USE_PRETTY_OPTION(flags)) { dm_major = get_devmap_major(); } /* * Display all the contents of the daily data file if the count parameter * was not set on the command line. */ if (!count) { count = -1; } /* Default is CPU activity */ select_default_activity(act); /* Check options consistency with selected output format. Default is PPC display */ check_format_options(); if (interval < 0) { interval = 1; } /* Read stats from file */ read_stats_from_file(dfile); /* Free bitmaps */ free_bitmaps(act); return 0; }
/* *************************************************************************** * Main entry to the sar program. *************************************************************************** */ int main(int argc, char **argv) { int i, rc, opt = 1, args_idx = 2; int fd[2]; int day_offset = 0; char from_file[MAX_FILE_LEN], to_file[MAX_FILE_LEN]; char ltemp[20]; /* Get HZ */ get_HZ(); /* Compute page shift in kB */ get_kb_shift(); from_file[0] = to_file[0] = '\0'; #ifdef USE_NLS /* Init National Language Support */ init_nls(); #endif tm_start.use = tm_end.use = FALSE; /* Allocate and init activity bitmaps */ allocate_bitmaps(act); init_structures(); /* Process options */ while (opt < argc) { if (!strcmp(argv[opt], "-I")) { if (argv[++opt]) { /* Parse -I option */ if (parse_sar_I_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if (!strcmp(argv[opt], "-D")) { /* Option to tell sar to write to saYYYYMMDD data files */ flags |= S_F_SA_YYYYMMDD; opt++; } else if (!strcmp(argv[opt], "-P")) { /* Parse -P option */ if (parse_sa_P_opt(argv, &opt, &flags, act)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "-o")) { if (to_file[0]) { /* Output file already specified */ usage(argv[0]); } /* Save stats to a file */ if ((argv[++opt]) && strncmp(argv[opt], "-", 1) && (strspn(argv[opt], DIGITS) != strlen(argv[opt]))) { strncpy(to_file, argv[opt++], MAX_FILE_LEN); to_file[MAX_FILE_LEN - 1] = '\0'; } else { strcpy(to_file, "-"); } } else if (!strcmp(argv[opt], "-f")) { if (from_file[0]) { /* Input file already specified */ usage(argv[0]); } /* Read stats from a file */ if ((argv[++opt]) && strncmp(argv[opt], "-", 1) && (strspn(argv[opt], DIGITS) != strlen(argv[opt]))) { strncpy(from_file, argv[opt++], MAX_FILE_LEN); from_file[MAX_FILE_LEN - 1] = '\0'; /* Check if this is an alternate directory for sa files */ check_alt_sa_dir(from_file, day_offset, -1); } else { set_default_file(from_file, day_offset, -1); } } else if (!strcmp(argv[opt], "-s")) { /* Get time start */ if (parse_timestamp(argv, &opt, &tm_start, DEF_TMSTART)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "-e")) { /* Get time end */ if (parse_timestamp(argv, &opt, &tm_end, DEF_TMEND)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "-h")) { /* Display help message */ display_help(argv[0]); } else if (!strcmp(argv[opt], "-i")) { if (!argv[++opt] || (strspn(argv[opt], DIGITS) != strlen(argv[opt]))) { usage(argv[0]); } interval = atol(argv[opt++]); if (interval < 1) { usage(argv[0]); } flags |= S_F_INTERVAL_SET; } else if (!strcmp(argv[opt], "-m")) { if (argv[++opt]) { /* Parse option -m */ if (parse_sar_m_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if (!strcmp(argv[opt], "-n")) { if (argv[++opt]) { /* Parse option -n */ if (parse_sar_n_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if ((strlen(argv[opt]) > 1) && (strlen(argv[opt]) < 4) && !strncmp(argv[opt], "-", 1) && (strspn(argv[opt] + 1, DIGITS) == (strlen(argv[opt]) - 1))) { day_offset = atoi(argv[opt++] + 1); } else if (!strncmp(argv[opt], "-", 1)) { /* Other options not previously tested */ if ((rc = parse_sar_opt(argv, &opt, act, &flags, C_SAR)) != 0) { if (rc == 1) { usage(argv[0]); } exit(1); } opt++; } else if (interval < 0) { /* Get interval */ if (strspn(argv[opt], DIGITS) != strlen(argv[opt])) { usage(argv[0]); } interval = atol(argv[opt++]); if (interval < 0) { usage(argv[0]); } } else { /* Get count value */ if ((strspn(argv[opt], DIGITS) != strlen(argv[opt])) || !interval) { usage(argv[0]); } if (count) { /* Count parameter already set */ usage(argv[0]); } count = atol(argv[opt++]); if (count < 1) { usage(argv[0]); } } } /* 'sar' is equivalent to 'sar -f' */ if ((argc == 1) || ((interval < 0) && !from_file[0] && !to_file[0])) { set_default_file(from_file, day_offset, -1); } if (tm_start.use && tm_end.use && (tm_end.tm_hour < tm_start.tm_hour)) { tm_end.tm_hour += 24; } /* * Check option dependencies. */ /* You read from a file OR you write to it... */ if (from_file[0] && to_file[0]) { fprintf(stderr, _("-f and -o options are mutually exclusive\n")); exit(1); } /* Use time start or option -i only when reading stats from a file */ if ((tm_start.use || INTERVAL_SET(flags)) && !from_file[0]) { fprintf(stderr, _("Not reading from a system activity file (use -f option)\n")); exit(1); } /* Don't print stats since boot time if -o or -f options are used */ if (!interval && (from_file[0] || to_file[0])) { usage(argv[0]); } /* Cannot enter a day shift with -o option */ if (to_file[0] && day_offset) { usage(argv[0]); } if (USE_PRETTY_OPTION(flags)) { dm_major = get_devmap_major(); } if (!count) { /* * count parameter not set: Display all the contents of the file * or generate a report continuously. */ count = -1; } /* Default is CPU activity... */ select_default_activity(act); /* Reading stats from file: */ if (from_file[0]) { if (interval < 0) { interval = 1; } /* Read stats from file */ read_stats_from_file(from_file); /* Free stuctures and activity bitmaps */ free_bitmaps(act); free_structures(act); return 0; } /* Reading stats from sadc: */ /* Create anonymous pipe */ if (pipe(fd) == -1) { perror("pipe"); exit(4); } switch (fork()) { case -1: perror("fork"); exit(4); break; case 0: /* Child */ if (dup2(fd[1], STDOUT_FILENO) < 0) { perror("dup2"); exit(4); } CLOSE_ALL(fd); /* * Prepare options for sadc. */ /* Program name */ salloc(0, SADC); /* Interval value */ if (interval < 0) { usage(argv[0]); } else if (!interval) { strcpy(ltemp, "1"); } else { sprintf(ltemp, "%ld", interval); } salloc(1, ltemp); /* Count number */ if (count >= 0) { sprintf(ltemp, "%ld", count + 1); salloc(args_idx++, ltemp); } /* Flags to be passed to sadc */ salloc(args_idx++, "-z"); /* Writing data to a file (option -o) */ if (to_file[0]) { /* Set option -D if entered */ if (USE_SA_YYYYMMDD(flags)) { salloc(args_idx++, "-D"); } /* Collect all possible activities (option -S XALL for sadc) */ salloc(args_idx++, "-S"); salloc(args_idx++, K_XALL); /* Outfile arg */ salloc(args_idx++, to_file); } else { /* * If option -o hasn't been used, then tell sadc * to collect only activities that will be displayed. */ int act_id = 0; for (i = 0; i < NR_ACT; i++) { if (IS_SELECTED(act[i]->options)) { act_id |= act[i]->group; } } if (act_id) { act_id <<= 8; snprintf(ltemp, 19, "%d", act_id); ltemp[19] = '\0'; salloc(args_idx++, "-S"); salloc(args_idx++, ltemp); } } /* Last arg is NULL */ args[args_idx] = NULL; /* Call now the data collector */ execv(SADC_PATH, args); execvp(SADC, args); /* * Note: Don't use execl/execlp since we don't have a fixed number of * args to give to sadc. */ fprintf(stderr, _("Cannot find the data collector (%s)\n"), SADC); perror("exec"); exit(4); break; default: /* Parent */ if (dup2(fd[0], STDIN_FILENO) < 0) { perror("dup2"); exit(4); } CLOSE_ALL(fd); /* Get now the statistics */ read_stats(); break; } /* Free structures and activity bitmaps */ free_bitmaps(act); free_structures(act); return 0; }
/* *************************************************************************** * Main entry to the sadf program *************************************************************************** */ int main(int argc, char **argv) { int opt = 1, sar_options = 0; int day_offset = 0; int i, rc; char dfile[MAX_FILE_LEN]; char *t; /* Get HZ */ get_HZ(); /* Compute page shift in kB */ get_kb_shift(); dfile[0] = '\0'; #ifdef USE_NLS /* Init National Language Support */ init_nls(); #endif tm_start.use = tm_end.use = FALSE; /* Allocate and init activity bitmaps */ allocate_bitmaps(act); /* Init some structures */ init_structures(); /* Process options */ while (opt < argc) { if (!strcmp(argv[opt], "-I")) { if (argv[++opt] && sar_options) { if (parse_sar_I_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if (!strcmp(argv[opt], "-P")) { if (parse_sa_P_opt(argv, &opt, &flags, act)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "-s")) { /* Get time start */ if (parse_timestamp(argv, &opt, &tm_start, DEF_TMSTART)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "-e")) { /* Get time end */ if (parse_timestamp(argv, &opt, &tm_end, DEF_TMEND)) { usage(argv[0]); } } else if (!strcmp(argv[opt], "-O")) { /* Parse SVG options */ if (!argv[++opt] || sar_options) { usage(argv[0]); } for (t = strtok(argv[opt], ","); t; t = strtok(NULL, ",")) { if (!strcmp(t, K_SKIP_EMPTY)) { flags |= S_F_SVG_SKIP; } else if (!strcmp(t, K_AUTOSCALE)) { flags |= S_F_SVG_AUTOSCALE; } else { usage(argv[0]); } } opt++; } else if ((strlen(argv[opt]) > 1) && (strlen(argv[opt]) < 4) && !strncmp(argv[opt], "-", 1) && (strspn(argv[opt] + 1, DIGITS) == (strlen(argv[opt]) - 1))) { if (dfile[0] || day_offset) { /* File already specified */ usage(argv[0]); } day_offset = atoi(argv[opt++] + 1); } else if (!strcmp(argv[opt], "--")) { sar_options = 1; opt++; } else if (!strcmp(argv[opt], "-m")) { if (argv[++opt] && sar_options) { /* Parse sar's option -m */ if (parse_sar_m_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if (!strcmp(argv[opt], "-n")) { if (argv[++opt] && sar_options) { /* Parse sar's option -n */ if (parse_sar_n_opt(argv, &opt, act)) { usage(argv[0]); } } else { usage(argv[0]); } } else if (!strncmp(argv[opt], "-", 1)) { /* Other options not previously tested */ if (sar_options) { if ((rc = parse_sar_opt(argv, &opt, act, &flags, C_SADF)) != 0) { if (rc == 1) { usage(argv[0]); } exit(1); } } else { for (i = 1; *(argv[opt] + i); i++) { switch (*(argv[opt] + i)) { case 'C': flags |= S_F_COMMENT; break; case 'c': if (format) { usage(argv[0]); } format = F_CONV_OUTPUT; break; case 'd': if (format) { usage(argv[0]); } format = F_DB_OUTPUT; break; case 'g': if (format) { usage(argv[0]); } format = F_SVG_OUTPUT; break; case 'h': flags |= S_F_HORIZONTALLY; break; case 'H': flags |= S_F_HDR_ONLY; break; case 'j': if (format) { usage(argv[0]); } format = F_JSON_OUTPUT; break; case 'p': if (format) { usage(argv[0]); } format = F_PPC_OUTPUT; break; case 'T': flags |= S_F_LOCAL_TIME; break; case 't': flags |= S_F_TRUE_TIME; break; case 'U': flags |= S_F_SEC_EPOCH; break; case 'x': if (format) { usage(argv[0]); } format = F_XML_OUTPUT; break; case 'V': print_version(); break; default: usage(argv[0]); } } } opt++; } /* Get data file name */ else if (strspn(argv[opt], DIGITS) != strlen(argv[opt])) { if (dfile[0] || day_offset) { /* File already specified */ usage(argv[0]); } if (!strcmp(argv[opt], "-")) { /* File name set to '-' */ set_default_file(dfile, 0, -1); opt++; } else if (!strncmp(argv[opt], "-", 1)) { /* Bad option */ usage(argv[0]); } else { /* Write data to file */ strncpy(dfile, argv[opt++], MAX_FILE_LEN); dfile[MAX_FILE_LEN - 1] = '\0'; /* Check if this is an alternate directory for sa files */ check_alt_sa_dir(dfile, 0, -1); } } else if (interval < 0) { /* Get interval */ if (strspn(argv[opt], DIGITS) != strlen(argv[opt])) { usage(argv[0]); } interval = atol(argv[opt++]); if (interval <= 0) { usage(argv[0]); } } else { /* Get count value */ if (strspn(argv[opt], DIGITS) != strlen(argv[opt])) { usage(argv[0]); } if (count) { /* Count parameter already set */ usage(argv[0]); } count = atol(argv[opt++]); if (count < 0) { usage(argv[0]); } else if (!count) { count = -1; /* To generate a report continuously */ } } } /* sadf reads current daily data file by default */ if (!dfile[0]) { set_default_file(dfile, day_offset, -1); } if (tm_start.use && tm_end.use && (tm_end.tm_hour < tm_start.tm_hour)) { tm_end.tm_hour += 24; } if (USE_PRETTY_OPTION(flags)) { dm_major = get_devmap_major(); } /* Options -T, -t and -U are mutually exclusive */ if ((PRINT_LOCAL_TIME(flags) + PRINT_TRUE_TIME(flags) + PRINT_SEC_EPOCH(flags)) > 1) { usage(argv[0]); } /* * Display all the contents of the daily data file if the count parameter * was not set on the command line. */ if (!count) { count = -1; } /* Default is CPU activity */ select_default_activity(act); /* Check options consistency with selected output format. Default is PPC display */ check_format_options(); if (interval < 0) { interval = 1; } if (format == F_CONV_OUTPUT) { /* Convert file to current format */ convert_file(dfile, act); } else { /* Read stats from file */ read_stats_from_file(dfile); } /* Free bitmaps */ free_bitmaps(act); return 0; }