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sadf.c
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sadf.c
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/*
* sadf: system activity data formatter
* (C) 1999-2022 by Sebastien GODARD (sysstat <at> orange.fr)
*
***************************************************************************
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
* *
* This program is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without the implied warranty of MERCHANTABILITY *
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License *
* for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA *
***************************************************************************
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
#include "version.h"
#include "sadf.h"
# include <locale.h> /* For setlocale() */
#ifdef USE_NLS
# include <libintl.h>
# define _(string) gettext(string)
#else
# define _(string) (string)
#endif
#ifdef HAVE_PCP
#include <pcp/pmapi.h>
#include <pcp/import.h>
#endif
#ifdef USE_SCCSID
#define SCCSID "@(#)sysstat-" VERSION ": " __FILE__ " compiled " __DATE__ " " __TIME__
char *sccsid(void) { return (SCCSID); }
#endif
#ifdef TEST
extern int __env;
void int_handler(int n) { return; }
#endif
extern char *tzname[2];
long interval = -1, count = 0;
/* TRUE if data read from file don't match current machine's endianness */
int endian_mismatch = FALSE;
/* TRUE if file's data come from a 64 bit machine */
int arch_64 = FALSE;
/* Number of decimal places */
int dplaces_nr = -1;
/* Color palette number */
int palette = SVG_DEFAULT_COL_PALETTE;
uint64_t flags = 0;
unsigned int dm_major; /* Device-mapper major number */
unsigned int format = 0; /* Output format */
unsigned int f_position = 0; /* Output format position in array */
unsigned int canvas_height = 0; /* SVG canvas height value set with option -O */
unsigned int user_hz = 0; /* HZ value set with option -O */
/* File header */
struct file_header file_hdr;
/*
* Activity sequence.
* This array must always be entirely filled (even with trailing zeros).
*/
unsigned int id_seq[NR_ACT];
/* Current record header */
struct record_header record_hdr[3];
/* Contain the date specified by -s and -e options */
struct tstamp tm_start, tm_end;
char *args[MAX_ARGV_NR];
/* Current timezone */
char my_tzname[TZNAME_LEN];
extern struct activity *act[];
extern struct report_format *fmt[];
/*
***************************************************************************
* Print usage and exit.
*
* IN:
* @progname Name of sysstat command.
***************************************************************************
*/
void usage(char *progname)
{
fprintf(stderr,
_("Usage: %s [ options ] [ <interval> [ <count> ] ] [ <datafile> | -[0-9]+ ]\n"),
progname);
fprintf(stderr, _("Options are:\n"
"[ -C ] [ -c | -d | -g | -j | -l | -p | -r | -x ] [ -H ] [ -h ] [ -T | -t | -U ] [ -V ]\n"
"[ -O <opts> [,...] ] [ -P { <cpu> [,...] | ALL } ]\n"
"[ --dev=<dev_list> ] [ --fs=<fs_list> ] [ --iface=<iface_list> ] [ --int=<int_list> ]\n"
"[ -s [ <hh:mm[:ss]> ] ] [ -e [ <hh:mm[:ss]> ] ]\n"
"[ -- <sar_options> ]\n"));
exit(1);
}
/*
***************************************************************************
* Init structures.
***************************************************************************
*/
void init_structures(void)
{
int i;
for (i = 0; i < 3; i++) {
memset(&record_hdr[i], 0, RECORD_HEADER_SIZE);
}
}
/*
***************************************************************************
* Look for output format in array.
*
* IN:
* @oformat Output format to look for.
*
* RETURNS:
* Position of output format in array.
***************************************************************************
*/
int get_format_position(unsigned int oformat)
{
int i;
for (i = 0; i < NR_FMT; i++) {
if (fmt[i]->id == oformat)
break;
}
if (i == NR_FMT)
/* Should never happen */
return 0;
return i;
}
/*
***************************************************************************
* 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(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_LOCAL_TIME(fmt[f_position]->options)) {
/* Remove option -T */
flags &= ~S_F_LOCAL_TIME;
}
if (!ACCEPT_SEC_EPOCH(fmt[f_position]->options)) {
/* Remove option -U */
flags &= ~S_F_SEC_EPOCH;
}
if (REJECT_TRUE_TIME(fmt[f_position]->options)) {
/* Remove option -t */
flags &= ~S_F_TRUE_TIME;
}
}
/*
***************************************************************************
* Read next sample statistics. If it's a special record (R_RESTART or
* R_COMMENT) then display it if requested. Also fill timestamps structures.
*
* IN:
* @ifd File descriptor
* @action Flags indicating if special records should be displayed or
* not.
* @curr Index in array for current sample statistics.
* @file System activity data file name (name of file being read).
* @tab Number of tabulations to print.
* @file_magic System activity file magic header.
* @file_actlst List of (known or unknown) activities in file.
* @rectime Structure where timestamp (expressed in local time or in UTC
* depending on whether options -T/-t have been used or not) can
* be saved for current record.
* @oneof Set to UEOF_CONT if an unexpected end of file should not make
* sadf stop. Default behavior is to stop on unexpected EOF.
*
* OUT:
* @rtype Type of record read (R_RESTART, R_COMMENT, etc.)
* @rectime Structure where timestamp (expressed in local time or in UTC
* depending on options used) has been saved for current record.
* If current record was a special one (RESTART or COMMENT) and
* noted to be ignored, then the timestamp is saved only if
* explicitly told to do so with the SET_TIMESTAMPS action flag.
*
* RETURNS:
* 1 if EOF has been reached,
* 2 if an unexpected EOF has been reached, or an error occurred.
* 0 otherwise.
***************************************************************************
*/
int read_next_sample(int ifd, int action, int curr, char *file, int *rtype, int tab,
struct file_magic *file_magic, struct file_activity *file_actlst,
struct tm *rectime, int oneof)
{
int rc;
char rec_hdr_tmp[MAX_RECORD_HEADER_SIZE];
/* Read current record */
if ((rc = read_record_hdr(ifd, rec_hdr_tmp, &record_hdr[curr], &file_hdr,
arch_64, endian_mismatch, oneof, sizeof(rec_hdr_tmp), flags,
fmt[f_position])) != 0)
/* End of sa file */
return rc;
*rtype = record_hdr[curr].record_type;
if (*rtype == R_COMMENT) {
if (action & IGNORE_COMMENT) {
/* Ignore COMMENT record */
if (lseek(ifd, MAX_COMMENT_LEN, SEEK_CUR) < MAX_COMMENT_LEN) {
if (oneof == UEOF_CONT)
return 2;
close(ifd);
exit(2);
}
/* Ignore unknown extra structures if present */
if (record_hdr[curr].extra_next && (skip_extra_struct(ifd, endian_mismatch, arch_64) < 0))
return 2;
if (action & SET_TIMESTAMPS) {
if (sa_get_record_timestamp_struct(flags, &record_hdr[curr],
rectime))
return 2;
}
}
else {
/* Display COMMENT record */
print_special_record(&record_hdr[curr], flags, &tm_start, &tm_end,
*rtype, ifd, rectime, file, tab, my_tzname,
file_magic, &file_hdr, act, fmt[f_position],
endian_mismatch, arch_64);
}
}
else if (*rtype == R_RESTART) {
if (action & IGNORE_RESTART) {
/*
* Ignore RESTART record (don't display it)
* but anyway we have to read the CPU number that follows it
* (unless we don't want to do it now).
*/
if (!(action & DONT_READ_CPU_NR)) {
file_hdr.sa_cpu_nr = read_nr_value(ifd, file, file_magic,
endian_mismatch, arch_64, TRUE);
/* Ignore unknown extra structures if present */
if (record_hdr[curr].extra_next && (skip_extra_struct(ifd, endian_mismatch, arch_64) < 0))
return 2;
}
if (action & SET_TIMESTAMPS) {
if (sa_get_record_timestamp_struct(flags, &record_hdr[curr], rectime))
return 2;
}
}
else {
/* Display RESTART record */
print_special_record(&record_hdr[curr], flags, &tm_start, &tm_end,
*rtype, ifd, rectime, file, tab, my_tzname,
file_magic, &file_hdr, act, fmt[f_position],
endian_mismatch, arch_64);
}
}
else {
/*
* OK: Previous record was not a special one.
* So read now the extra fields.
*/
if (read_file_stat_bunch(act, curr, ifd, file_hdr.sa_act_nr, file_actlst,
endian_mismatch, arch_64, file, file_magic, oneof) > 0)
return 2;
if (sa_get_record_timestamp_struct(flags, &record_hdr[curr], rectime))
return 2;
}
return 0;
}
/*
***************************************************************************
* Display the field list (used eg. in database format).
*
* IN:
* @act_id Activity to display, or ~0 for all.
***************************************************************************
*/
void list_fields(unsigned int act_id)
{
int i, j;
unsigned int msk;
char *hl;
char hline[HEADER_LINE_LEN] = "";
char out[256];
cprintf_s(IS_COMMENT, "%s", "# hostname;interval;timestamp");
for (i = 0; i < NR_ACT; i++) {
if ((act_id != ALL_ACTIVITIES) && (act[i]->id != act_id))
continue;
if (IS_SELECTED(act[i]->options) && (act[i]->nr_ini > 0)) {
if (!HAS_MULTIPLE_OUTPUTS(act[i]->options)) {
sprintf(out, ";%s", act[i]->hdr_line);
cprintf_s(IS_COMMENT, "%s", out);
if ((act[i]->nr_ini > 1) && DISPLAY_HORIZONTALLY(flags)) {
cprintf_s(IS_COMMENT, "%s", "[...]");
}
}
else {
msk = 1;
strncpy(hline, act[i]->hdr_line, sizeof(hline) - 1);
hline[sizeof(hline) - 1] = '\0';
for (hl = strtok(hline, "|"); hl; hl = strtok(NULL, "|"), msk <<= 1) {
if ((hl != NULL) && ((act[i]->opt_flags & 0xff) & msk)) {
if (strchr(hl, '&')) {
j = strcspn(hl, "&");
if ((act[i]->opt_flags & 0xff00) & (msk << 8)) {
/* Display whole header line */
*(hl + j) = ';';
sprintf(out, ";%s", hl);
cprintf_s(IS_COMMENT, "%s", out);
}
else {
/* Display only the first part of the header line */
*(hl + j) = '\0';
sprintf(out, ";%s", hl);
cprintf_s(IS_COMMENT, "%s", out);
}
*(hl + j) = '&';
}
else {
sprintf(out, ";%s", hl);
cprintf_s(IS_COMMENT, "%s", out);
}
if ((act[i]->nr_ini > 1) && DISPLAY_HORIZONTALLY(flags)) {
cprintf_s(IS_COMMENT, "%s", "[...]");
}
}
}
}
}
}
printf("\n");
}
/*
***************************************************************************
* Determine the time (expressed in seconds since the epoch) used as the
* origin on X axis for SVG graphs. If S_F_SVG_ONE_DAY is set, then origin
* will be the beginning of current day (00:00:00) else it will be the time
* of the first sample collected.
*
* RETURNS:
* Time origin on X axis (expressed in seconds since the epoch).
***************************************************************************
*/
time_t get_time_ref(void)
{
struct tm ltm;
time_t t = record_hdr[2].ust_time;
if (DISPLAY_ONE_DAY(flags)) {
localtime_r(&t, <m);
/* Move back to midnight */
ltm.tm_sec = ltm.tm_min = ltm.tm_hour = 0;
t = mktime(<m);
if (t != -1)
return t;
}
return (time_t) record_hdr[2].ust_time;
}
/*
***************************************************************************
* Save or restore position in file.
*
* IN:
* @ifd File descriptor of input file.
* @action DO_SAVE to save position or DO_RESTORE to restore it.
***************************************************************************
*/
void seek_file_position(int ifd, int action)
{
static off_t fpos = -1;
static unsigned int save_cpu_nr = 0;
if (action == DO_SAVE) {
/* Save current file position */
if ((fpos = lseek(ifd, 0, SEEK_CUR)) < 0) {
perror("lseek");
exit(2);
}
save_cpu_nr = file_hdr.sa_cpu_nr;
}
else if (action == DO_RESTORE) {
/* Rewind file */
if ((fpos < 0) || (lseek(ifd, fpos, SEEK_SET) < fpos)) {
perror("lseek");
exit(2);
}
file_hdr.sa_cpu_nr = save_cpu_nr;
}
}
/*
***************************************************************************
* Count number of different items in file. Save these numbers in fields
* @item_list_sz of structure activity, and create the corresponding list
* in field @item_list.
*
* IN:
* @ifd File descriptor of input file.
* @file Name of file being read.
* @file_magic file_magic structure filled with file magic header data.
* @file_actlst List of (known or unknown) activities in file.
* @rectime Structure where timestamp (expressed in local time or
* in UTC depending on whether options -T/-t have been
* used or not) can be saved for current record.
*
* RETURNS:
* 0 if no records are concerned in file, and 1 otherwise.
***************************************************************************
*/
int count_file_items(int ifd, char *file, struct file_magic *file_magic,
struct file_activity *file_actlst, struct tm *rectime)
{
int i, eosaf, rtype;
/* Save current file position */
seek_file_position(ifd, DO_SAVE);
/* Init maximum number of items for each activity */
for (i = 0; i < NR_ACT; i++) {
if (!HAS_LIST_ON_CMDLINE(act[i]->options)) {
act[i]->item_list_sz = 0;
}
}
/* Look for the first record that will be displayed */
do {
eosaf = read_next_sample(ifd, IGNORE_RESTART | IGNORE_COMMENT | SET_TIMESTAMPS,
0, file, &rtype, 0, file_magic, file_actlst,
rectime, UEOF_CONT);
if (eosaf)
/* No record to display */
return 0;
}
while ((tm_start.use && (datecmp(rectime, &tm_start, FALSE) < 0)) ||
(tm_end.use && (datecmp(rectime, &tm_end, FALSE) >= 0)));
/*
* Read all the file and determine the maximum number
* of items for each activity.
*/
do {
for (i = 0; i < NR_ACT; i++) {
if (!HAS_LIST_ON_CMDLINE(act[i]->options)) {
if (act[i]->f_count_new) {
act[i]->item_list_sz += (*act[i]->f_count_new)(act[i], 0);
}
else if (act[i]->nr[0] > act[i]->item_list_sz) {
act[i]->item_list_sz = act[i]->nr[0];
}
}
}
do {
eosaf = read_next_sample(ifd, IGNORE_RESTART | IGNORE_COMMENT | SET_TIMESTAMPS,
0, file, &rtype, 0, file_magic, file_actlst,
rectime, UEOF_CONT);
if (eosaf ||
(tm_end.use && (datecmp(rectime, &tm_end, FALSE) >= 0)))
/* End of data file or end time exceeded */
break;
}
while ((rtype == R_RESTART) || (rtype == R_COMMENT));
}
while (!eosaf && !(tm_end.use && (datecmp(rectime, &tm_end, FALSE) >= 0)));
/* Rewind file */
seek_file_position(ifd, DO_RESTORE);
return 1;
}
/*
***************************************************************************
* Compute the number of rows that will contain SVG views. Usually only one
* view is displayed on a row, unless the "packed" option has been entered.
* Each activity selected may have several views. Moreover some activities
* may have a number of items that varies within the file: In this case,
* the number of views will depend on the highest number of items saved in
* the file.
*
* IN:
* @ifd File descriptor of input file.
* @file Name of file being read.
* @file_magic file_magic structure filled with file magic header data.
* @file_actlst List of (known or unknown) activities in file.
* @rectime Structure where timestamp (expressed in local time or
* in UTC depending on whether options -T/-t have been
* used or not) can be saved for current record.
* @views_per_row Default number of views displayed on a single row.
*
* OUT:
* @views_per_row Maximum number of views that will be displayed on a
* single row (useful only if "packed" option entered).
* @nr_act_dispd Number of activities that will be displayed.
* May be 0.
*
* RETURNS:
* Number of rows containing views, taking into account only activities
* to be displayed, and selected period of time (options -s/-e).
* Result may be 0.
***************************************************************************
*/
int get_svg_graph_nr(int ifd, char *file, struct file_magic *file_magic,
struct file_activity *file_actlst, struct tm *rectime,
int *views_per_row, int *nr_act_dispd)
{
int i, n, p, tot_g_nr = 0;
*nr_act_dispd = 0;
/* Count items in file */
if (!count_file_items(ifd, file, file_magic, file_actlst, rectime))
/* No record to display => No graph */
return 0;
for (i = 0; i < NR_ACT; i++) {
if (!id_seq[i])
continue;
p = get_activity_position(act, id_seq[i], EXIT_IF_NOT_FOUND);
if (!IS_SELECTED(act[p]->options) || !act[p]->g_nr)
continue;
(*nr_act_dispd)++;
if (PACK_VIEWS(flags)) {
/*
* One activity = one row with multiple views.
* Exception is A_MEMORY, for which one activity may be
* displayed in two rows if both memory *and* swap utilization
* have been selected.
*/
if ((act[p]->id == A_MEMORY) &&
(DISPLAY_MEMORY(act[p]->opt_flags) && DISPLAY_SWAP(act[p]->opt_flags))) {
n = 2;
}
else {
n = 1;
}
}
else {
/* One activity = multiple rows with only one view */
n = act[p]->g_nr;
}
if (ONE_GRAPH_PER_ITEM(act[p]->options)) {
n = n * act[p]->item_list_sz;
}
if (act[p]->g_nr > *views_per_row) {
*views_per_row = act[p]->g_nr;
}
tot_g_nr += n;
}
if (*views_per_row > MAX_VIEWS_ON_A_ROW) {
*views_per_row = MAX_VIEWS_ON_A_ROW;
}
return tot_g_nr;
}
/*
***************************************************************************
* Display *one* sample of statistics for one or several activities,
* checking that all conditions are met before printing (time start, time
* end, interval). Current record should be a record of statistics (R_STATS),
* not a special one (R_RESTART or R_COMMENT).
*
* IN:
* @curr Index in array for current sample statistics.
* @use_tm_start Set to TRUE if option -s has been used.
* @use_tm_end Set to TRUE if option -e has been used.
* @reset Set to TRUE if last_uptime should be reinitialized
* (used in next_slice() function).
* @parm Pointer on parameters depending on output format
* (eg.: number of tabulations to print).
* @rectime Structure where timestamp (expressed in local time
* or in UTC depending on whether options -T/-t have
* been used or not) has been saved for current record.
* @reset_cd TRUE if static cross_day variable should be reset.
* @act_id Activity to display (only for formats where
* activities are displayed one at a time) or
* ALL_ACTIVITIES for all.
*
* OUT:
* @cnt Set to 0 to indicate that no other lines of stats
* should be displayed.
*
* RETURNS:
* 1 if stats have been successfully displayed.
***************************************************************************
*/
int generic_write_stats(int curr, int use_tm_start, int use_tm_end, int reset,
long *cnt, void *parm, struct tm *rectime,
int reset_cd, unsigned int act_id)
{
int i;
unsigned long long dt, itv;
char cur_date[TIMESTAMP_LEN], cur_time[TIMESTAMP_LEN], *pre = NULL;
static int cross_day = FALSE;
if (reset_cd) {
/*
* See note in sar.c.
* NB: Resetting cross_day is needed only if datafile
* may be rewinded (eg. in db or ppc output formats).
*/
cross_day = 0;
}
/*
* Check time (1).
* For this first check, we use the time interval entered on
* the command line. This is equivalent to sar's option -i which
* selects records at seconds as close as possible to the number
* specified by the interval parameter.
*/
if (!next_slice(record_hdr[2].uptime_cs, record_hdr[curr].uptime_cs,
reset, interval))
/* Not close enough to desired interval */
return 0;
/* Check if we are beginning a new day */
if (use_tm_start && record_hdr[!curr].ust_time &&
(record_hdr[curr].ust_time > record_hdr[!curr].ust_time) &&
(record_hdr[curr].hour < record_hdr[!curr].hour)) {
cross_day = TRUE;
}
/* Check time (2) */
if (use_tm_end && (datecmp(rectime, &tm_end, cross_day) > 0)) {
/* End time exceeded */
*cnt = 0;
return 0;
}
/* Get interval values in 1/100th of a second */
get_itv_value(&record_hdr[curr], &record_hdr[!curr], &itv);
dt = itv / 100;
/* Correct rounding error for dt */
if ((itv % 100) >= 50) {
dt++;
}
/* Set date and time strings for current record */
set_record_timestamp_string(flags, &record_hdr[curr],
cur_date, cur_time, TIMESTAMP_LEN, rectime);
if (*fmt[f_position]->f_timestamp) {
pre = (char *) (*fmt[f_position]->f_timestamp)(parm, F_BEGIN, cur_date, cur_time,
my_tzname, dt, &record_hdr[curr],
&file_hdr, flags);
}
/* Display statistics */
for (i = 0; i < NR_ACT; i++) {
if ((act_id != ALL_ACTIVITIES) && (act[i]->id != act_id))
continue;
if ((TEST_MARKUP(fmt[f_position]->options) && CLOSE_MARKUP(act[i]->options)) ||
(IS_SELECTED(act[i]->options) && (act[i]->nr[curr] > 0)) ||
(format == F_RAW_OUTPUT)) {
if (format == F_JSON_OUTPUT) {
/* JSON output */
int *tab = (int *) parm;
if (IS_SELECTED(act[i]->options) && (act[i]->nr[curr] > 0)) {
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(tab, F_MAIN, cur_date, cur_time, NULL,
dt, &record_hdr[curr],
&file_hdr, flags);
}
}
(*act[i]->f_json_print)(act[i], curr, *tab, itv);
}
else if (format == F_XML_OUTPUT) {
/* XML output */
int *tab = (int *) parm;
(*act[i]->f_xml_print)(act[i], curr, *tab, itv);
}
else if (format == F_SVG_OUTPUT) {
/* SVG output */
struct svg_parm *svg_p = (struct svg_parm *) parm;
svg_p->dt = (unsigned long) dt;
(*act[i]->f_svg_print)(act[i], curr, F_MAIN, svg_p, itv, &record_hdr[curr]);
}
else if (format == F_RAW_OUTPUT) {
/* Raw output */
if (DISPLAY_DEBUG_MODE(flags)) {
char out[128];
sprintf(out, "# name; %s; nr_curr; %d; nr_alloc; %d; nr_ini; %d\n",
act[i]->name, act[i]->nr[curr], act[i]->nr_allocated,
act[i]->nr_ini);
cprintf_s(IS_COMMENT, "%s", out);
}
if (IS_SELECTED(act[i]->options) && (act[i]->nr[curr] > 0)) {
(*act[i]->f_raw_print)(act[i], pre, curr);
}
}
else if (format == F_PCP_OUTPUT) {
/* PCP archive */
if (*act[i]->f_pcp_print) {
(*act[i]->f_pcp_print)(act[i], curr);
}
}
else {
/* Other output formats: db, ppc */
(*act[i]->f_render)(act[i], (format == F_DB_OUTPUT), pre, curr, itv);
}
}
}
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(parm, F_END, cur_date, cur_time, NULL, dt,
&record_hdr[curr], &file_hdr, flags);
}
return 1;
}
/*
***************************************************************************
* Read stats for current activity from file and print them.
* Display at most <count> lines of stats (and possibly comments inserted
* in file) located between two LINUX RESTART messages.
*
* IN:
* @ifd File descriptor of input file.
* @curr Index in array for current sample statistics.
* @act_id Activity to display, or ~0 for all.
* @file_actlst List of (known or unknown) activities in file.
* @rectime Structure where timestamp (expressed in local time or in UTC
* depending on whether options -T/-t have been used or not) can
* be saved for current record.
* @file Name of file being read.
* @file_magic file_magic structure filled with file magic header data.
*
* OUT:
* @curr Index in array for next sample statistics.
* @cnt Number of lines of stats remaining to write.
* @eosaf Set to TRUE if EOF (end of file) has been reached.
* @reset Set to TRUE if last_uptime variable should be
* reinitialized (used in next_slice() function).
***************************************************************************
*/
void rw_curr_act_stats(int ifd, int *curr, long *cnt, int *eosaf,
unsigned int act_id, int *reset, struct file_activity *file_actlst,
struct tm *rectime, char *file,
struct file_magic *file_magic)
{
int rtype;
int next, reset_cd;
/* Rewind file */
seek_file_position(ifd, DO_RESTORE);
if (DISPLAY_FIELD_LIST(fmt[f_position]->options)) {
/* Print field list */
list_fields(act_id);
}
/*
* Restore the first stats collected.
* Used to compute the rate displayed on the first line.
*/
copy_structures(act, id_seq, record_hdr, !*curr, 2);
*cnt = count;
reset_cd = 1;
do {
/* Display <count> lines of stats */
*eosaf = read_next_sample(ifd, IGNORE_RESTART | DONT_READ_CPU_NR,
*curr, file, &rtype, 0, file_magic,
file_actlst, rectime, UEOF_STOP);
if (*eosaf || (rtype == R_RESTART))
break;
if (rtype != R_COMMENT) {
next = generic_write_stats(*curr, tm_start.use, tm_end.use, *reset, cnt,
NULL, rectime, reset_cd, act_id);
reset_cd = 0;
if (next) {
/*
* next is set to 1 when we were close enough to desired interval.
* In this case, the call to generic_write_stats() has actually
* displayed a line of stats.
*/
*curr ^= 1;
if (*cnt > 0) {
(*cnt)--;
}
}
*reset = FALSE;
}
}
while (*cnt);
*reset = TRUE;
}
/*
***************************************************************************
* Read stats for current activity from file and display its SVG graphs.
* At most <count> lines of stats are taken into account.
*
* IN:
* @ifd File descriptor of input file.
* @curr Index in array for current sample statistics.
* @p Current activity position.
* @file_actlst List of (known or unknown) activities in file.
* @rectime Structure where timestamp (expressed in local time or in UTC
* depending on whether options -T/-t have been used or not) can
* be saved for current record.
* @file Name of file being read.
* @file_magic file_magic structure filled with file magic header data.
* @g_nr Number of graphs already displayed (for all activities).
* @nr_act_dispd
* Total number of activities that will be displayed.
*
* OUT:
* @cnt Number of lines of stats remaining to write.
* @eosaf Set to TRUE if EOF (end of file) has been reached.
* @reset Set to TRUE if last_uptime variable should be
* reinitialized (used in next_slice() function).
* @g_nr Total number of views displayed (including current activity).
***************************************************************************
*/
void display_curr_act_graphs(int ifd, int *curr, long *cnt, int *eosaf,
int p, int *reset, struct file_activity *file_actlst,
struct tm *rectime, char *file, struct file_magic *file_magic,
int *g_nr, int nr_act_dispd)
{
struct svg_parm parm;
int rtype;
int next, reset_cd;
/* Rewind file */
seek_file_position(ifd, DO_RESTORE);
/*
* Restore the first stats collected.
* Originally used to compute the rate displayed on the first line.
* Here, this is to plot the first point and start the graph.
*/
copy_structures(act, id_seq, record_hdr, !*curr, 2);
parm.graph_no = *g_nr;
parm.ust_time_ref = (unsigned long long) get_time_ref();
parm.ust_time_first = record_hdr[2].ust_time;
parm.restart = TRUE;
parm.file_hdr = &file_hdr;
parm.nr_act_dispd = nr_act_dispd;
parm.hour = record_hdr[2].hour;
parm.minute = record_hdr[2].minute;
parm.second = record_hdr[2].second;
strcpy(parm.my_tzname, my_tzname);
*cnt = count;
reset_cd = 1;
/* Allocate graphs arrays */
(*act[p]->f_svg_print)(act[p], !*curr, F_BEGIN, &parm, 0, &record_hdr[!*curr]);
do {
*eosaf = read_next_sample(ifd, IGNORE_RESTART | IGNORE_COMMENT | SET_TIMESTAMPS,
*curr, file, &rtype, 0, file_magic,
file_actlst, rectime, UEOF_CONT);
if (*eosaf)
break;
if (rtype == R_RESTART) {
parm.restart = TRUE;
*reset = TRUE;
/* Go to next statistics record, if possible */
do {
*eosaf = read_next_sample(ifd, IGNORE_RESTART | IGNORE_COMMENT | SET_TIMESTAMPS,
*curr, file, &rtype, 0, file_magic,
file_actlst, rectime, UEOF_CONT);
}
while (!*eosaf && ((rtype == R_RESTART) || (rtype == R_COMMENT)));
*curr ^= 1;
}
else if (rtype != R_COMMENT) {
next = generic_write_stats(*curr, tm_start.use, tm_end.use, *reset, cnt,
&parm, rectime, reset_cd, act[p]->id);
reset_cd = 0;
if (next) {
/*
* next is set to 1 when we were close enough to desired interval.
* In this case, the call to generic_write_stats() has actually
* displayed a line of stats.
*/
parm.restart = FALSE;
parm.ust_time_end = record_hdr[*curr].ust_time;
*curr ^= 1;
if (*cnt > 0) {
(*cnt)--;
}
}
*reset = FALSE;
}
}
while (!*eosaf && *cnt);
*reset = TRUE;
/* Determine X axis end value */
if (DISPLAY_ONE_DAY(flags) &&
(parm.ust_time_ref + (3600 * 24) > parm.ust_time_end)) {
parm.ust_time_end = parm.ust_time_ref + (3600 * 24);
}
/* Actually display graphs for current activity */
(*act[p]->f_svg_print)(act[p], *curr, F_END, &parm, 0, &record_hdr[!*curr]);