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sadf.c
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sadf.c
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/*
* sadf: system activity data formatter
* (C) 1999-2013 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., *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
***************************************************************************
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <time.h>
#include <errno.h>
#include "version.h"
#include "sadf.h"
#include "sa.h"
#include "common.h"
#include "ioconf.h"
#ifdef USE_NLS
# include <locale.h>
# include <libintl.h>
# define _(string) gettext(string)
#else
# define _(string) (string)
#endif
#define SCCSID "@(#)sysstat-" VERSION ": " __FILE__ " compiled " __DATE__ " " __TIME__
char *sccsid(void) { return (SCCSID); }
long interval = -1, count = 0;
unsigned int 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 */
/* File header */
struct file_header file_hdr;
static char *seps[] = {"\t", ";"};
/*
* 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];
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> ]\n"),
progname);
fprintf(stderr, _("Options are:\n"
"[ -C ] [ -d | -j | -p | -x ] [ -H ] [ -h ] [ -T | -t | -U ] [ -V ]\n"
"[ -P { <cpu> [,...] | ALL } ] [ -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:
* @fmt Array of output formats.
* @format Output format to look for.
*
* RETURNS:
* Position of output format in array.
***************************************************************************
*/
int get_format_position(struct report_format *fmt[], unsigned int format)
{
int i;
for (i = 0; i < NR_FMT; i++) {
if (fmt[i]->id == format)
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(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_LOCAL_TIME(fmt[f_position]->options)) {
/* Remove options -T and -t */
flags &= ~(S_F_LOCAL_TIME + S_F_TRUE_TIME);
}
if (!ACCEPT_SEC_EPOCH(fmt[f_position]->options)) {
/* Remove option -U */
flags &= ~S_F_SEC_EPOCH;
}
}
/*
***************************************************************************
* Fill the rectime and loctime structures with current record's date and
* time, based on current record's "number of seconds since the epoch" saved
* in file.
* The resulting timestamp is expressed in UTC or in local time, depending
* on whether options -T or -t have been used or not.
*
* IN:
* @curr Index in array for current sample statistics.
* @rectime Structure where timestamp (expressed in local time or in UTC
* depending on whether options -T or -t have been used or not)
* can be saved for current record.
* @loctime Structure where timestamp (expressed in local time) can be
* saved for current record.
*
* OUT:
* @rectime Structure where timestamp for current record has been saved
* (in local time or in UTC depending on options used).
* @loctime Structure where timestamp for current record has been saved
* (expressed in local time). This field will be used for time
* comparison if options -s and/or -e have been used.
***************************************************************************
*/
void sadf_get_record_timestamp_struct(int curr, struct tm *rectime, struct tm *loctime)
{
struct tm *ltm;
if ((ltm = localtime((const time_t *) &record_hdr[curr].ust_time)) != NULL) {
*loctime = *ltm;
}
if (!PRINT_LOCAL_TIME(flags) && !PRINT_TRUE_TIME(flags)) {
/* Options -T and -t not used: Display timestamp in UTC */
ltm = gmtime((const time_t *) &record_hdr[curr].ust_time);
}
if (ltm) {
*rectime = *ltm;
}
if (PRINT_TRUE_TIME(flags)) {
/* Option -t */
rectime->tm_hour = record_hdr[curr].hour;
rectime->tm_min = record_hdr[curr].minute;
rectime->tm_sec = record_hdr[curr].second;
}
}
/*
***************************************************************************
* Set current record's timestamp strings (date and time). This timestamp is
* expressed in UTC or in local time, depending on whether options -T or -t
* have been used or not.
*
* IN:
* @curr Index in array for current sample statistics.
* @cur_date String where timestamp's date will be saved.
* @cur_time String where timestamp's time will be saved.
* @len Maximum length of timestamp strings.
* @rectime Structure with current timestamp (expressed in local time or
* in UTC depending on whether options -T or -t have been used
* or not) that should be broken down in date and time strings.
*
* OUT:
* @cur_date Timestamp's date string.
* @cur_time Timestamp's time string. May contain the number of seconds
* since the epoch (01-01-1970) if option -U has been used.
***************************************************************************
*/
void set_record_timestamp_string(int curr, char *cur_date, char *cur_time, int len,
struct tm *rectime)
{
/* Set cur_time date value */
if (PRINT_SEC_EPOCH(flags)) {
sprintf(cur_time, "%ld", record_hdr[curr].ust_time);
strcpy(cur_date, "");
}
else {
/*
* If options -T or -t have been used then cur_time is
* expressed in local time. Else it is expressed in UTC.
*/
strftime(cur_date, len, "%Y-%m-%d", rectime);
strftime(cur_time, len, "%H:%M:%S", rectime);
}
}
/*
***************************************************************************
* Print tabulations
*
* IN:
* @nr_tab Number of tabs to print.
***************************************************************************
*/
void prtab(int nr_tab)
{
int i;
for (i = 0; i < nr_tab; i++) {
printf("\t");
}
}
/*
***************************************************************************
* printf() function modified for textual (XML-like) display. Don't print a
* CR at the end of the line.
*
* IN:
* @nr_tab Number of tabs to print.
* @fmtf printf() format.
***************************************************************************
*/
void xprintf0(int nr_tab, const char *fmtf, ...)
{
static char buf[1024];
va_list args;
va_start(args, fmtf);
vsnprintf(buf, sizeof(buf), fmtf, args);
va_end(args);
prtab(nr_tab);
printf("%s", buf);
}
/*
***************************************************************************
* printf() function modified for textual (XML-like) display. Print a CR
* at the end of the line.
*
* IN:
* @nr_tab Number of tabs to print.
* @fmtf printf() format.
***************************************************************************
*/
void xprintf(int nr_tab, const char *fmtf, ...)
{
static char buf[1024];
va_list args;
va_start(args, fmtf);
vsnprintf(buf, sizeof(buf), fmtf, args);
va_end(args);
prtab(nr_tab);
printf("%s\n", buf);
}
/*
***************************************************************************
* Display restart records for textual (XML-like) reports.
*
* 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.
* @tab 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) can be saved for current record.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
*
* OUT:
* @rectime Structure where timestamp for current record has
* been saved.
* @loctime Structure where timestamp for current record has
* been saved.
***************************************************************************
*/
void write_textual_restarts(int curr, int use_tm_start, int use_tm_end, int tab,
struct tm *rectime, struct tm *loctime)
{
char cur_date[32], cur_time[32];
/* Fill timestamp structure for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/* The record must be in the interval specified by -s/-e options */
if ((use_tm_start && (datecmp(loctime, &tm_start) < 0)) ||
(use_tm_end && (datecmp(loctime, &tm_end) > 0)))
return;
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
if (*fmt[f_position]->f_restart) {
(*fmt[f_position]->f_restart)(&tab, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), &file_hdr);
}
}
/*
***************************************************************************
* Display COMMENT records for textual (XML-like) reports.
*
* 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.
* @tab Number of tabulations to print.
* @ifd Input file descriptor.
* @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.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
*
* OUT:
* @rectime Structure where timestamp for current record has
* been saved.
* @loctime Structure where timestamp for current record has
* been saved.
***************************************************************************
*/
void write_textual_comments(int curr, int use_tm_start, int use_tm_end, int tab, int ifd,
struct tm *rectime, struct tm *loctime)
{
char cur_date[32], cur_time[32];
char file_comment[MAX_COMMENT_LEN];
sa_fread(ifd, file_comment, MAX_COMMENT_LEN, HARD_SIZE);
file_comment[MAX_COMMENT_LEN - 1] = '\0';
/* Fill timestamp structure for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/* The record must be in the interval specified by -s/-e options */
if ((use_tm_start && (datecmp(loctime, &tm_start) < 0)) ||
(use_tm_end && (datecmp(loctime, &tm_end) > 0)))
return;
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
if (*fmt[f_position]->f_comment) {
(*fmt[f_position]->f_comment)(&tab, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), file_comment,
&file_hdr);
}
}
/*
***************************************************************************
* Display the field list (used eg. in database format).
*
* IN:
* @act_d Activity to display, or ~0 for all.
***************************************************************************
*/
void list_fields(unsigned int act_id)
{
int i;
unsigned int msk;
char *hl;
char hline[HEADER_LINE_LEN];
printf("# 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 > 0)) {
if (!HAS_MULTIPLE_OUTPUTS(act[i]->options)) {
printf(";%s", act[i]->hdr_line);
if ((act[i]->nr > 1) && DISPLAY_HORIZONTALLY(flags)) {
printf("[...]");
}
}
else {
msk = 1;
strcpy(hline, act[i]->hdr_line);
for (hl = strtok(hline, "|"); hl; hl = strtok(NULL, "|"), msk <<= 1) {
if ((hl != NULL) && (act[i]->opt_flags & msk)) {
printf(";%s", hl);
if ((act[i]->nr > 1) && DISPLAY_HORIZONTALLY(flags)) {
printf("[...]");
}
}
}
}
}
}
printf("\n");
}
/*
***************************************************************************
* write_mech_stats() -
* Replace the old write_stats_for_ppc() and write_stats_for_db(),
* making it easier for them to remain in sync and print the same data.
*
* IN:
* @curr Index in array for current sample statistics.
* @dt Interval of time in seconds.
* @itv Interval of time in jiffies.
* @g_itv Interval of time in jiffies multiplied by the number of
* processors.
* @cur_date Date string for current record.
* @cur_time Time string for current record.
* @act_id Activity to display, or ~0 for all.
***************************************************************************
*/
void write_mech_stats(int curr, unsigned long dt, unsigned long long itv,
unsigned long long g_itv, char *cur_date, char *cur_time,
unsigned int act_id)
{
int i;
char pre[80], temp[80]; /* Text at beginning of each line */
int isdb = (format == F_DB_OUTPUT);
/* This substring appears on every output line, preformat it here */
snprintf(pre, 80, "%s%s%ld%s",
file_hdr.sa_nodename, seps[isdb], dt, seps[isdb]);
if (strlen(cur_date)) {
snprintf(temp, 80, "%s%s ", pre, cur_date);
}
else {
strcpy(temp, pre);
}
snprintf(pre, 80, "%s%s%s", temp, cur_time,
strlen(cur_date) && !PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags) ? " UTC" : "");
pre[79] = '\0';
if (DISPLAY_HORIZONTALLY(flags)) {
printf("%s", pre);
}
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 > 0)) {
(*act[i]->f_render)(act[i], isdb, pre, curr,
NEED_GLOBAL_ITV(act[i]->options) ? g_itv : itv);
}
}
if (DISPLAY_HORIZONTALLY(flags)) {
printf("\n");
}
}
/*
***************************************************************************
* Write system statistics.
*
* IN:
* @curr Index in array for current sample statistics.
* @reset Set to TRUE if last_uptime variable should be
* reinitialized (used in next_slice() function).
* @use_tm_start Set to TRUE if option -s has been used.
* @use_tm_end Set to TRUE if option -e has been used.
* @act_id Activities to display.
* @cpu_nr Number of processors for current activity data 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.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
*
* OUT:
* @cnt Set to 0 to indicate that no other lines of stats
* should be displayed.
*
* RETURNS:
* 1 if a line of stats has been displayed, and 0 otherwise.
***************************************************************************
*/
int write_parsable_stats(int curr, int reset, long *cnt, int use_tm_start,
int use_tm_end, unsigned int act_id, __nr_t cpu_nr,
struct tm *rectime, struct tm *loctime)
{
unsigned long long dt, itv, g_itv;
char cur_date[32], cur_time[32];
static int cross_day = FALSE;
/*
* 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].uptime0, record_hdr[curr].uptime0,
reset, interval))
/* Not close enough to desired interval */
return 0;
/* Fill timestamp structure for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/* 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;
}
if (cross_day) {
/*
* This is necessary if we want to properly handle something like:
* sar -s time_start -e time_end with
* time_start(day D) > time_end(day D+1)
*/
loctime->tm_hour += 24;
}
/* Check time (2) */
if (use_tm_start && (datecmp(loctime, &tm_start) < 0))
/* it's too soon... */
return 0;
/* Get interval values */
get_itv_value(&record_hdr[curr], &record_hdr[!curr],
cpu_nr, &itv, &g_itv);
/* Check time (3) */
if (use_tm_end && (datecmp(loctime, &tm_end) > 0)) {
/* It's too late... */
*cnt = 0;
return 0;
}
dt = itv / HZ;
/* Correct rounding error for dt */
if ((itv % HZ) >= (HZ / 2)) {
dt++;
}
/* Set current timestamp string */
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
write_mech_stats(curr, dt, itv, g_itv, cur_date, cur_time, act_id);
return 1;
}
/*
***************************************************************************
* Display activity records for textual (XML-like) formats.
*
* 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).
* @tab Number of tabulations to print.
* @cpu_nr Number of processors.
* @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.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
*
* 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 write_textual_stats(int curr, int use_tm_start, int use_tm_end, int reset,
long *cnt, int tab, __nr_t cpu_nr, struct tm *rectime,
struct tm *loctime)
{
int i;
unsigned long long dt, itv, g_itv;
char cur_date[32], cur_time[32];
static int cross_day = FALSE;
/* Fill timestamp structure (rectime) for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/*
* 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].uptime0, record_hdr[curr].uptime0,
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;
}
if (cross_day) {
/*
* This is necessary if we want to properly handle something like:
* sar -s time_start -e time_end with
* time_start(day D) > time_end(day D+1)
*/
loctime->tm_hour += 24;
}
/* Check time (2) */
if (use_tm_start && (datecmp(loctime, &tm_start) < 0))
/* it's too soon... */
return 0;
/* Get interval values */
get_itv_value(&record_hdr[curr], &record_hdr[!curr],
cpu_nr, &itv, &g_itv);
/* Check time (3) */
if (use_tm_end && (datecmp(loctime, &tm_end) > 0)) {
/* It's too late... */
*cnt = 0;
return 0;
}
dt = itv / HZ;
/* Correct rounding error for dt */
if ((itv % HZ) >= (HZ / 2)) {
dt++;
}
/* Set date and time strings for current record */
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(&tab, F_BEGIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), dt);
}
if (format == F_XML_OUTPUT) {
tab++;
}
/* Display textual statistics */
for (i = 0; i < NR_ACT; i++) {
/* This code is not generic at all...! */
if (format == F_JSON_OUTPUT) {
/* JSON output */
if (CLOSE_MARKUP(act[i]->options) ||
(IS_SELECTED(act[i]->options) && (act[i]->nr > 0))) {
if (IS_SELECTED(act[i]->options) && (act[i]->nr > 0)) {
printf(",");
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(&tab, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), dt);
}
}
(*act[i]->f_json_print)(act[i], curr, tab, NEED_GLOBAL_ITV(act[i]->options) ?
g_itv : itv);
}
}
else {
/* XML output */
if (CLOSE_MARKUP(act[i]->options) ||
(IS_SELECTED(act[i]->options) && (act[i]->nr > 0))) {
(*act[i]->f_xml_print)(act[i], curr, tab, NEED_GLOBAL_ITV(act[i]->options) ?
g_itv : itv);
}
}
}
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(&tab, F_END, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), dt);
}
return 1;
}
/*
***************************************************************************
* Print contents of a special (RESTART or COMMENT) record.
*
* 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.
* @rtype Record type (RESTART or COMMENT).
* @ifd Input file descriptor.
* @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.
* @loctime Structure where timestamp (expressed in local time)
* can be saved for current record.
***************************************************************************
*/
void sadf_print_special(int curr, int use_tm_start, int use_tm_end, int rtype, int ifd,
struct tm *rectime, struct tm *loctime)
{
char cur_date[32], cur_time[32];
int dp = 1;
/* Fill timestamp structure (rectime) for current record */
sadf_get_record_timestamp_struct(curr, rectime, loctime);
/* Set date and time strings for current record */
set_record_timestamp_string(curr, cur_date, cur_time, 32, rectime);
/* The record must be in the interval specified by -s/-e options */
if ((use_tm_start && (datecmp(loctime, &tm_start) < 0)) ||
(use_tm_end && (datecmp(loctime, &tm_end) > 0))) {
dp = 0;
}
if (rtype == R_RESTART) {
if (!dp)
return;
if (*fmt[f_position]->f_restart) {
(*fmt[f_position]->f_restart)(NULL, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), &file_hdr);
}
}
else if (rtype == R_COMMENT) {
char file_comment[MAX_COMMENT_LEN];
sa_fread(ifd, file_comment, MAX_COMMENT_LEN, HARD_SIZE);
file_comment[MAX_COMMENT_LEN - 1] = '\0';
if (!dp || !DISPLAY_COMMENT(flags))
return;
if (*fmt[f_position]->f_comment) {
(*fmt[f_position]->f_comment)(NULL, F_MAIN, cur_date, cur_time,
!PRINT_LOCAL_TIME(flags) &&
!PRINT_TRUE_TIME(flags), file_comment,
&file_hdr);
}
}
}
/*
***************************************************************************
* Read stats for current activity from file and write them.
*
* IN:
* @ifd File descriptor of input file.
* @fpos Position in file where reading must start.
* @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.
* @cpu_nr Number of processors for current activity data 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.
* @loctime Structure where timestamp (expressed in local time) can be
* saved for current record.
*
* 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, off_t fpos, int *curr, long *cnt, int *eosaf,
unsigned int act_id, int *reset, struct file_activity *file_actlst,
__nr_t cpu_nr, struct tm *rectime, struct tm *loctime)
{
unsigned char rtype;
int next;
if (lseek(ifd, fpos, SEEK_SET) < fpos) {
perror("lseek");
exit(2);
}
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;
do {
/* Display <count> lines of stats */
*eosaf = sa_fread(ifd, &record_hdr[*curr], RECORD_HEADER_SIZE,
SOFT_SIZE);
rtype = record_hdr[*curr].record_type;
if (!*eosaf && (rtype != R_RESTART) && (rtype != R_COMMENT)) {
/* Read the extra fields since it's not a RESTART record */
read_file_stat_bunch(act, *curr, ifd, file_hdr.sa_nr_act,
file_actlst);
}
if (!*eosaf && (rtype != R_RESTART)) {
if (rtype == R_COMMENT) {
sadf_print_special(*curr, tm_start.use, tm_end.use,
R_COMMENT, ifd, rectime, loctime);
continue;
}
next = write_parsable_stats(*curr, *reset, cnt,
tm_start.use, tm_end.use, act_id,
cpu_nr, rectime, loctime);
if (next) {
/*
* next is set to 1 when we were close enough to desired interval.
* In this case, the call to write_parsable_stats() has actually
* displayed a line of stats.
*/
*curr ^=1;
if (*cnt > 0) {
(*cnt)--;
}
}
*reset = FALSE;
}
}
while (*cnt && !*eosaf && (rtype != R_RESTART));
*reset = TRUE;
}
/*
***************************************************************************
* Display activities for textual (XML-like) formats.
*
* IN:
* @ifd File descriptor of input file.
* @file_actlst List of (known or unknown) activities in file.
* @dfile System activity data file name.
* @file_magic System activity file magic header.
* @cpu_nr Number of processors for current activity data 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.
* @loctime Structure where timestamp (expressed in local time) can be
* saved for current record.
***************************************************************************
*/
void textual_display_loop(int ifd, struct file_activity *file_actlst, char *dfile,
struct file_magic *file_magic, __nr_t cpu_nr,
struct tm *rectime, struct tm *loctime)
{
int curr, tab = 0, rtype;
int eosaf = TRUE, next, reset = FALSE;
long cnt = 1;
off_t fpos;
/* Save current file position */
if ((fpos = lseek(ifd, 0, SEEK_CUR)) < 0) {
perror("lseek");
exit(2);
}
/* Print header (eg. XML file header) */
if (*fmt[f_position]->f_header) {
(*fmt[f_position]->f_header)(&tab, F_BEGIN, dfile, file_magic,
&file_hdr, cpu_nr, act, id_seq);
}
/* Process activities */
if (*fmt[f_position]->f_statistics) {
(*fmt[f_position]->f_statistics)(&tab, F_BEGIN);
}
do {
/*
* If this record is a special (RESTART or COMMENT) one,
* skip it and try to read the next record in file.
*/
do {
eosaf = sa_fread(ifd, &record_hdr[0], RECORD_HEADER_SIZE, SOFT_SIZE);
rtype = record_hdr[0].record_type;
if (!eosaf && (rtype != R_RESTART) && (rtype != R_COMMENT)) {
/*
* OK: Previous record was not a special one.
* So read now the extra fields.
*/
read_file_stat_bunch(act, 0, ifd, file_hdr.sa_nr_act,
file_actlst);
sadf_get_record_timestamp_struct(0, rectime, loctime);
}
if (!eosaf && (rtype == R_COMMENT)) {
/*
* Ignore COMMENT record.
* (Unlike RESTART records, COMMENT records have an additional
* comment field).
*/
if (lseek(ifd, MAX_COMMENT_LEN, SEEK_CUR) < MAX_COMMENT_LEN) {
perror("lseek");
}
}
}
while (!eosaf && ((rtype == R_RESTART) || (rtype == R_COMMENT) ||
(tm_start.use && (datecmp(loctime, &tm_start) < 0)) ||
(tm_end.use && (datecmp(loctime, &tm_end) >=0))));
/* Save the first stats collected. Used for example in next_slice() function */
copy_structures(act, id_seq, record_hdr, 2, 0);