/*
***************************************************************************
* Print system statistics.
*
* IN:
* @curr Index in array for current sample statistics.
* @read_from_file Set to TRUE if stats are read from a system activity
* data file.
* @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 variable should be
* reinitialized (used in next_slice() function).
* @act_id Activity that can be displayed or ~0 for all.
* Remember that when reading stats from a file, only
* one activity can be displayed at a time.
*
* OUT:
* @cnt Number of remaining lines to display.
*
* RETURNS:
* 1 if stats have been successfully displayed, and 0 otherwise.
***************************************************************************
*/
int write_stats(int curr, int read_from_file, long *cnt, int use_tm_start,
int use_tm_end, int reset, unsigned int act_id)
{
int i;
unsigned long long itv, g_itv;
static int cross_day = 0;
static __nr_t cpu_nr = -1;
if (cpu_nr < 0)
cpu_nr = act[get_activity_position(act, A_CPU)]->nr;
/* Check time (1) */
if (read_from_file) {
if (!next_slice(record_hdr[2].uptime0, record_hdr[curr].uptime0,
reset, interval))
/* Not close enough to desired interval */
return 0;
}
/* Set previous timestamp */
if (set_record_timestamp_string(!curr, timestamp[!curr], 16))
return 0;
/* Set current timestamp */
if (set_record_timestamp_string(curr, timestamp[curr], 16))
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 = 1;
}
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)
*/
rectime.tm_hour +=24;
}
/* Check time (2) */
if (use_tm_start && (datecmp(&rectime, &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(&rectime, &tm_end) > 0)) {
/* It's too late... */
*cnt = 0;
return 0;
}
avg_count++;
/* Test stdout */
TEST_STDOUT(STDOUT_FILENO);
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)) {
/* Display current activity statistics */
(*act[i]->f_print)(act[i], !curr, curr,
NEED_GLOBAL_ITV(act[i]->options) ? g_itv : itv);
}
}
return 1;
}
/*
***************************************************************************
* Print system statistics.
*
* IN:
* @curr Index in array for current sample statistics.
* @read_from_file Set to TRUE if stats are read from a system activity
* data file.
* @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 variable should be
* reinitialized (used in next_slice() function).
* @act_id Activity that can be displayed or ~0 for all.
* Remember that when reading stats from a file, only
* one activity can be displayed at a time.
* @reset_cd TRUE if static cross_day variable should be reset
* (see below).
*
* OUT:
* @cnt Number of remaining lines to display.
*
* RETURNS:
* 1 if stats have been successfully displayed, and 0 otherwise.
***************************************************************************
*/
int write_stats(int curr, int read_from_file, long *cnt, int use_tm_start,
int use_tm_end, int reset, unsigned int act_id, int reset_cd)
{
int i;
unsigned long long itv, g_itv;
static int cross_day = 0;
static __nr_t cpu_nr = -1;
if (cpu_nr < 0)
cpu_nr = act[get_activity_position(act, A_CPU, EXIT_IF_NOT_FOUND)]->nr;
if (reset_cd) {
/*
* cross_day is a static variable that is set to 1 when the first
* record of stats from a new day is read from a unique data file
* (in the case where the file contains data from two consecutive
* days). When set to 1, every following records timestamp will
* have its hour value increased by 24.
* Yet when a new activity (being read from the file) is going to
* be displayed, we start reading the file from the beginning
* again, and so cross_day should be reset in this case.
*/
cross_day = 0;
}
/* Check time (1) */
if (read_from_file) {
if (!next_slice(record_hdr[2].uptime0, record_hdr[curr].uptime0,
reset, interval))
/* Not close enough to desired interval */
return 0;
}
/* Set previous timestamp */
if (set_record_timestamp_string(!curr, timestamp[!curr], 16))
return 0;
/* Set current timestamp */
if (set_record_timestamp_string(curr, timestamp[curr], 16))
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 = 1;
}
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)
*/
rectime.tm_hour +=24;
}
/* Check time (2) */
if (use_tm_start && (datecmp(&rectime, &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(&rectime, &tm_end) > 0)) {
/* It's too late... */
*cnt = 0;
return 0;
}
avg_count++;
/* Test stdout */
TEST_STDOUT(STDOUT_FILENO);
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)) {
/* Display current activity statistics */
(*act[i]->f_print)(act[i], !curr, curr,
NEED_GLOBAL_ITV(act[i]->options) ? g_itv : itv);
}
}
return 1;
}
/*
***************************************************************************
* Read statistics from a system activity data file
*
* IN:
* @from_file Input file name.
***************************************************************************
*/
void read_stats_from_file(char from_file[])
{
struct file_magic file_magic;
struct file_activity *file_actlst = NULL;
int curr = 1, i, p;
int ifd, rtype;
int rows, eosaf = TRUE, reset = FALSE;
long cnt = 1;
off_t fpos;
/* Get window size */
rows = get_win_height();
/* Read file headers and activity list */
check_file_actlst(&ifd, from_file, act, &file_magic, &file_hdr,
&file_actlst, id_seq, FALSE);
/* Perform required allocations */
allocate_structures(act);
/* Print report header */
print_report_hdr(flags, &rectime, &file_hdr);
/* Read system statistics from file */
do {
/*
* If this record is a special (RESTART or COMMENT) one, print it and
* (try to) get another one.
*/
do {
if (sa_fread(ifd, &record_hdr[0], RECORD_HEADER_SIZE, SOFT_SIZE))
/* End of sa data file */
return;
rtype = record_hdr[0].record_type;
if ((rtype == R_RESTART) || (rtype == R_COMMENT)) {
sar_print_special(0, tm_start.use, tm_end.use, rtype, ifd);
}
else {
/*
* 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);
sar_set_rectime(0);
}
}
while ((rtype == R_RESTART) || (rtype == R_COMMENT) ||
(tm_start.use && (datecmp(&rectime, &tm_start) < 0)) ||
(tm_end.use && (datecmp(&rectime, &tm_end) >=0)));
/* Save the first stats collected. Will be used to compute the average */
copy_structures(act, id_seq, record_hdr, 2, 0);
reset = TRUE; /* Set flag to reset last_uptime variable */
/* Save current file position */
if ((fpos = lseek(ifd, 0, SEEK_CUR)) < 0) {
perror("lseek");
exit(2);
}
/* Read and write stats located between two possible Linux restarts */
for (i = 0; i < NR_ACT; i++) {
if (!id_seq[i])
continue;
if ((p = get_activity_position(act, id_seq[i])) < 0) {
/* Should never happen */
PANIC(1);
}
if (!IS_SELECTED(act[p]->options))
continue;
if (!HAS_MULTIPLE_OUTPUTS(act[p]->options)) {
handle_curr_act_stats(ifd, fpos, &curr, &cnt, &eosaf, rows,
act[p]->id, &reset, file_actlst);
}
else {
unsigned int optf, msk;
optf = act[p]->opt_flags;
for (msk = 1; msk < 0x10; msk <<= 1) {
if (act[p]->opt_flags & msk) {
act[p]->opt_flags &= msk;
handle_curr_act_stats(ifd, fpos, &curr, &cnt,
&eosaf, rows, act[p]->id,
&reset, file_actlst);
act[p]->opt_flags = optf;
}
}
}
}
if (!cnt) {
/* Go to next Linux restart, if possible */
do {
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_file_stat_bunch(act, curr, ifd, file_hdr.sa_nr_act,
file_actlst);
}
}
while (!eosaf && (rtype != R_RESTART));
}
/* The last record we read was a RESTART one: Print it */
if (!eosaf && (record_hdr[curr].record_type == R_RESTART)) {
sar_print_special(curr, tm_start.use, tm_end.use, R_RESTART, ifd);
}
}
while (!eosaf);
close(ifd);
}
/*
***************************************************************************
* 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 option -t has 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_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_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_TRUE_TIME(flags), dt);
}
return 1;
}
/*
***************************************************************************
* 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 option -t has 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);
curr = 1;
cnt = count;
reset = TRUE;
if (!eosaf) {
do {
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 special record */
read_file_stat_bunch(act, curr, ifd, file_hdr.sa_nr_act,
file_actlst);
if (*fmt[f_position]->f_statistics) {
(*fmt[f_position]->f_statistics)(&tab, F_MAIN);
}
/* next is set to 1 when we were close enough to desired interval */
next = write_textual_stats(curr, tm_start.use, tm_end.use, reset,
&cnt, tab, cpu_nr, rectime, loctime);
if (next) {
curr ^= 1;
if (cnt > 0) {
cnt--;
}
}
reset = FALSE;
}
if (!eosaf && (rtype == R_COMMENT)) {
/* Ignore COMMENT record */
if (lseek(ifd, MAX_COMMENT_LEN, SEEK_CUR) < MAX_COMMENT_LEN) {
perror("lseek");
}
}
}
while (cnt && !eosaf && (rtype != R_RESTART));
if (!cnt) {
/* Go to next Linux restart, if possible */
do {
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_file_stat_bunch(act, curr, ifd, file_hdr.sa_nr_act,
file_actlst);
}
else if (!eosaf && (rtype == R_COMMENT)) {
/* Ignore COMMENT record */
if (lseek(ifd, MAX_COMMENT_LEN, SEEK_CUR) < MAX_COMMENT_LEN) {
perror("lseek");
}
}
}
while (!eosaf && (rtype != R_RESTART));
}
reset = TRUE;
}
}
while (!eosaf);
if (*fmt[f_position]->f_statistics) {
(*fmt[f_position]->f_statistics)(&tab, F_END);
}
/* Rewind file */
if (lseek(ifd, fpos, SEEK_SET) < fpos) {
perror("lseek");
exit(2);
}
/* Process now RESTART entries to display restart messages */
if (*fmt[f_position]->f_restart) {
(*fmt[f_position]->f_restart)(&tab, F_BEGIN, NULL, NULL, FALSE,
&file_hdr);
}
do {
if ((eosaf = sa_fread(ifd, &record_hdr[0], RECORD_HEADER_SIZE,
SOFT_SIZE)) == 0) {
rtype = record_hdr[0].record_type;
if ((rtype != R_RESTART) && (rtype != R_COMMENT)) {
read_file_stat_bunch(act, 0, ifd, file_hdr.sa_nr_act,
file_actlst);
}
if (rtype == R_RESTART) {
write_textual_restarts(0, tm_start.use, tm_end.use, tab,
rectime, loctime);
}
else if (rtype == R_COMMENT) {
/* Ignore COMMENT record */
if (lseek(ifd, MAX_COMMENT_LEN, SEEK_CUR) < MAX_COMMENT_LEN) {
perror("lseek");
}
}
}
}
while (!eosaf);
if (*fmt[f_position]->f_restart) {
(*fmt[f_position]->f_restart)(&tab, F_END, NULL, NULL, FALSE, &file_hdr);
}
/* Rewind file */
if (lseek(ifd, fpos, SEEK_SET) < fpos) {
perror("lseek");
exit(2);
}
/* Last, process COMMENT entries to display comments */
if (DISPLAY_COMMENT(flags)) {
if (*fmt[f_position]->f_comment) {
(*fmt[f_position]->f_comment)(&tab, F_BEGIN, NULL, NULL, 0, NULL,
&file_hdr);
}
do {
if ((eosaf = sa_fread(ifd, &record_hdr[0], RECORD_HEADER_SIZE,
SOFT_SIZE)) == 0) {
rtype = record_hdr[0].record_type;
if ((rtype != R_RESTART) && (rtype != R_COMMENT)) {
read_file_stat_bunch(act, 0, ifd, file_hdr.sa_nr_act,
file_actlst);
}
if (rtype == R_COMMENT) {
write_textual_comments(0, tm_start.use, tm_end.use,
tab, ifd, rectime, loctime);
}
}
}
while (!eosaf);
if (*fmt[f_position]->f_comment) {
(*fmt[f_position]->f_comment)(&tab, F_END, NULL, NULL, 0, NULL,
&file_hdr);
}
}
/* Print header trailer */
if (*fmt[f_position]->f_header) {
(*fmt[f_position]->f_header)(&tab, F_END, dfile, file_magic,
&file_hdr, cpu_nr, act, id_seq);
}
}
/*
***************************************************************************
* Display activities for non textual formats.
*
* IN:
* @ifd File descriptor of input file.
* @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 option -t has 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 main_display_loop(int ifd, struct file_activity *file_actlst, __nr_t cpu_nr,
struct tm *rectime, struct tm *loctime)
{
int i, p;
int curr = 1, rtype;
int eosaf = TRUE, reset = FALSE;
long cnt = 1;
off_t fpos;
/* Read system statistics from file */
do {
/*
* If this record is a special (RESTART or COMMENT) one, print it and
* (try to) get another one.
*/
do {
if (sa_fread(ifd, &record_hdr[0], RECORD_HEADER_SIZE, SOFT_SIZE))
/* End of sa data file */
return;
rtype = record_hdr[0].record_type;
if ((rtype == R_RESTART) || (rtype == R_COMMENT)) {
sadf_print_special(0, tm_start.use, tm_end.use, rtype, ifd,
rectime, loctime);
}
else {
/*
* 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);
}
}
while ((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. Will be used to compute the average */
copy_structures(act, id_seq, record_hdr, 2, 0);
/* Set flag to reset last_uptime variable. Should be done after a LINUX RESTART record */
reset = TRUE;
/* Save current file position */
if ((fpos = lseek(ifd, 0, SEEK_CUR)) < 0) {
perror("lseek");
exit(2);
}
/* Read and write stats located between two possible Linux restarts */
if (DISPLAY_HORIZONTALLY(flags)) {
/*
* If stats are displayed horizontally, then all activities
* are printed on the same line.
*/
rw_curr_act_stats(ifd, fpos, &curr, &cnt, &eosaf,
ALL_ACTIVITIES, &reset, file_actlst,
cpu_nr, rectime, loctime);
}
else {
/* For each requested activity... */
for (i = 0; i < NR_ACT; i++) {
if (!id_seq[i])
continue;
if ((p = get_activity_position(act, id_seq[i])) < 0) {
/* Should never happen */
PANIC(1);
}
if (!IS_SELECTED(act[p]->options))
continue;
if (!HAS_MULTIPLE_OUTPUTS(act[p]->options)) {
rw_curr_act_stats(ifd, fpos, &curr, &cnt, &eosaf,
act[p]->id, &reset, file_actlst,
cpu_nr, rectime, loctime);
}
else {
unsigned int optf, msk;
optf = act[p]->opt_flags;
for (msk = 1; msk < 0x10; msk <<= 1) {
if (act[p]->opt_flags & msk) {
act[p]->opt_flags &= msk;
rw_curr_act_stats(ifd, fpos, &curr, &cnt, &eosaf,
act[p]->id, &reset, file_actlst,
cpu_nr, rectime, loctime);
act[p]->opt_flags = optf;
}
}
}
}
}
if (!cnt) {
/* Go to next Linux restart, if possible */
do {
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_file_stat_bunch(act, curr, ifd, file_hdr.sa_nr_act,
file_actlst);
}
else if (!eosaf && (rtype == R_COMMENT)) {
/* This was a COMMENT record: print it */
sadf_print_special(curr, tm_start.use, tm_end.use,
R_COMMENT, ifd, rectime, loctime);
}
}
while (!eosaf && (rtype != R_RESTART));
}
/* The last record we read was a RESTART one: Print it */
if (!eosaf && (record_hdr[curr].record_type == R_RESTART)) {
sadf_print_special(curr, tm_start.use, tm_end.use,
R_RESTART, ifd, rectime, loctime);
}
}
while (!eosaf);
}
/*
***************************************************************************
* 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 option -t has 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 file contents in selected format (logic #1).
* Logic #1: Grouped by record type. Sorted by timestamp.
* Formats: XML, JSON
*
* IN:
* @ifd File descriptor of input file.
* @file_actlst List of (known or unknown) activities in file.
* @file System activity data file name (name of file being read).
* @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 logic1_display_loop(int ifd, struct file_activity *file_actlst, char *file,
struct file_magic *file_magic, __nr_t cpu_nr,
struct tm *rectime, struct tm *loctime)
{
int curr, tab = 0, rtype;
int eosaf, next, reset = FALSE;
__nr_t save_act_nr[NR_ACT] = {0};
long cnt = 1;
off_t fpos;
/* Save current file position */
if ((fpos = lseek(ifd, 0, SEEK_CUR)) < 0) {
perror("lseek");
exit(2);
}
/* Save number of activities items for current file position */
sr_act_nr(save_act_nr, DO_SAVE);
/* Print header (eg. XML file header) */
if (*fmt[f_position]->f_header) {
(*fmt[f_position]->f_header)(&tab, F_BEGIN, file, 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 = read_next_sample(ifd, IGNORE_COMMENT | IGNORE_RESTART, 0,
file, &rtype, tab, file_magic, file_actlst,
rectime, loctime);
}
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);
curr = 1;
cnt = count;
reset = TRUE;
if (!eosaf) {
do {
eosaf = read_next_sample(ifd, IGNORE_COMMENT | IGNORE_RESTART, curr,
file, &rtype, tab, file_magic, file_actlst,
rectime, loctime);
if (!eosaf && (rtype != R_COMMENT) && (rtype != R_RESTART)) {
if (*fmt[f_position]->f_statistics) {
(*fmt[f_position]->f_statistics)(&tab, F_MAIN);
}
/* next is set to 1 when we were close enough to desired interval */
next = generic_write_stats(curr, tm_start.use, tm_end.use, reset,
&cnt, &tab, cpu_nr, rectime, loctime,
FALSE, ALL_ACTIVITIES);
if (next) {
curr ^= 1;
if (cnt > 0) {
cnt--;
}
}
reset = FALSE;
}
}
while (cnt && !eosaf && (rtype != R_RESTART));
if (!cnt) {
/* Go to next Linux restart, if possible */
do {
eosaf = read_next_sample(ifd, IGNORE_COMMENT | IGNORE_RESTART, curr,
file, &rtype, tab, file_magic, file_actlst,
rectime, loctime);
}
while (!eosaf && (rtype != R_RESTART));
}
reset = TRUE;
}
}
while (!eosaf);
if (*fmt[f_position]->f_statistics) {
(*fmt[f_position]->f_statistics)(&tab, F_END);
}
/* Rewind file... */
if (lseek(ifd, fpos, SEEK_SET) < fpos) {
perror("lseek");
exit(2);
}
/*
* ... and restore number of items for volatile activities
* for this position in file.
*/
sr_act_nr(save_act_nr, DO_RESTORE);
/* Process now RESTART entries to display restart messages */
if (*fmt[f_position]->f_restart) {
(*fmt[f_position]->f_restart)(&tab, F_BEGIN, NULL, NULL, FALSE,
&file_hdr, 0);
}
do {
eosaf = read_next_sample(ifd, IGNORE_COMMENT, 0,
file, &rtype, tab, file_magic, file_actlst,
rectime, loctime);
}
while (!eosaf);
if (*fmt[f_position]->f_restart) {
(*fmt[f_position]->f_restart)(&tab, F_END, NULL, NULL, FALSE, &file_hdr, 0);
}
/* Rewind file... */
if (lseek(ifd, fpos, SEEK_SET) < fpos) {
perror("lseek");
exit(2);
}
/*
* ... and restore number of items for volatile activities
* for this position in file.
*/
sr_act_nr(save_act_nr, DO_RESTORE);
/* Last, process COMMENT entries to display comments */
if (DISPLAY_COMMENT(flags)) {
if (*fmt[f_position]->f_comment) {
(*fmt[f_position]->f_comment)(&tab, F_BEGIN, NULL, NULL, 0, NULL,
&file_hdr);
}
do {
eosaf = read_next_sample(ifd, IGNORE_RESTART, 0,
file, &rtype, tab, file_magic, file_actlst,
rectime, loctime);
}
while (!eosaf);
if (*fmt[f_position]->f_comment) {
(*fmt[f_position]->f_comment)(&tab, F_END, NULL, NULL, 0, NULL,
&file_hdr);
}
}
/* Print header trailer */
if (*fmt[f_position]->f_header) {
(*fmt[f_position]->f_header)(&tab, F_END, file, file_magic,
&file_hdr, cpu_nr, act, id_seq);
}
}
/*
***************************************************************************
* 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).
* @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) has been saved for current record.
* @loctime Structure where timestamp (expressed in local time)
* 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, __nr_t cpu_nr, struct tm *rectime,
struct tm *loctime, int reset_cd, unsigned int act_id)
{
int i;
unsigned long long dt, itv, g_itv;
char cur_date[32], cur_time[32], *pre = NULL;
static int cross_day = FALSE;
if (reset_cd) {
/*
* See note in sar.c.
* NB: Reseting 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].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(flags, &record_hdr[curr],
cur_date, cur_time, 32, rectime);
if (*fmt[f_position]->f_timestamp) {
pre = (char *) (*fmt[f_position]->f_timestamp)(parm, F_BEGIN, cur_date, cur_time,
dt, &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 > 0))) {
if (format == F_JSON_OUTPUT) {
/* JSON output */
int *tab = (int *) parm;
if (IS_SELECTED(act[i]->options) && (act[i]->nr > 0)) {
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(tab, F_MAIN, cur_date, cur_time,
dt, &file_hdr, flags);
}
}
(*act[i]->f_json_print)(act[i], curr, *tab, NEED_GLOBAL_ITV(act[i]->options) ?
g_itv : itv);
}
else if (format == F_XML_OUTPUT) {
/* XML output */
int *tab = (int *) parm;
(*act[i]->f_xml_print)(act[i], curr, *tab, NEED_GLOBAL_ITV(act[i]->options) ?
g_itv : 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,
NEED_GLOBAL_ITV(act[i]->options) ? g_itv : itv,
&record_hdr[curr]);
}
else {
/* Other output formats: db, ppc */
(*act[i]->f_render)(act[i], (format == F_DB_OUTPUT), pre, curr,
NEED_GLOBAL_ITV(act[i]->options) ? g_itv : itv);
}
}
}
if (*fmt[f_position]->f_timestamp) {
(*fmt[f_position]->f_timestamp)(parm, F_END, cur_date, cur_time,
dt, &file_hdr, flags);
}
return 1;
}
/*
***************************************************************************
* Compute the number of SVG graphs to display. Each activity selected may
* have several graphs. Moreover we have to take into account volatile
* activities (eg. CPU) for which the number of graphs will depend on the
* highest number of items (eg. maximum number of CPU) saved in the file.
* This number may be higher than the real number of graphs that will be
* displayed since some items have a preallocation constant.
*
* 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.
* @loctime Structure where timestamp (expressed in local time) can be
* saved for current record.
*
* RETURNS:
* Total number of graphs to display, taking into account only activities
* to be displayed, and selected period of time (options -s/-e).
***************************************************************************
*/
int get_svg_graph_nr(int ifd, char *file, struct file_magic *file_magic,
struct file_activity *file_actlst, struct tm *rectime,
struct tm *loctime)
{
int i, n, p, eosaf;
int rtype, new_tot_g_nr, tot_g_nr = 0;
off_t fpos;
__nr_t save_act_nr[NR_ACT] = {0};
/* Save current file position and items number */
if ((fpos = lseek(ifd, 0, SEEK_CUR)) < 0) {
perror("lseek");
exit(2);
}
sr_act_nr(save_act_nr, DO_SAVE);
/* Init total number of graphs for each activity */
for (i = 0; i < NR_ACT; i++) {
id_g_nr[i] = 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, loctime);
if (eosaf)
/* No record to display => no graph too */
return 0;
}
while ((tm_start.use && (datecmp(loctime, &tm_start) < 0)) ||
(tm_end.use && (datecmp(loctime, &tm_end) >= 0)));
do {
new_tot_g_nr = 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))
continue;
if (ONE_GRAPH_PER_ITEM(act[p]->options)) {
n = act[p]->g_nr * act[p]->nr;
}
else {
n = act[p]->g_nr;
}
if (n > id_g_nr[i]) {
id_g_nr[i] = n;
}
new_tot_g_nr += n;
}
if (new_tot_g_nr > tot_g_nr) {
tot_g_nr = new_tot_g_nr;
}
do {
eosaf = read_next_sample(ifd, IGNORE_RESTART | IGNORE_COMMENT | SET_TIMESTAMPS,
0, file, &rtype, 0, file_magic, file_actlst,
rectime, loctime);
if (eosaf ||
(tm_end.use && (datecmp(loctime, &tm_end) >= 0)))
/* End of data file or end time exceeded */
break;
}
while (rtype != R_RESTART);
if (eosaf ||
(tm_end.use && (datecmp(loctime, &tm_end) >= 0)))
/*
* End of file, or end time exceeded:
* Current number of graphs is up-to-date.
*/
break;
/*
* If we have found a RESTART record then we have also read the list of volatile
* activities following it, reallocated the structures and changed the number of
* items (act[p]->nr) for those volatile activities. So loop again to compute
* the new total number of graphs.
*/
}
while (rtype == R_RESTART);
/* Rewind file and restore items number */
if (lseek(ifd, fpos, SEEK_SET) < fpos) {
perror("lseek");
exit(2);
}
sr_act_nr(save_act_nr, DO_RESTORE);
return tot_g_nr;
}
/*
***************************************************************************
* Display file contents in selected format (logic #3).
* Logic #3: Special logic for SVG output format.
* Formats: SVG
*
* IN:
* @ifd File descriptor of input file.
* @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.
* @file Name of file being read.
* @file_magic file_magic structure filled with file magic header data.
***************************************************************************
*/
void logic3_display_loop(int ifd, struct file_activity *file_actlst, __nr_t cpu_nr,
struct tm *rectime, struct tm *loctime, char *file,
struct file_magic *file_magic)
{
int i, p;
int curr = 1, rtype, g_nr = 0;
int eosaf = TRUE, reset = TRUE;
long cnt = 1;
off_t fpos;
int graph_nr = 0;
__nr_t save_act_nr[NR_ACT] = {0};
/* Use a decimal point to make SVG code locale independent */
setlocale(LC_NUMERIC, "C");
/* Calculate the number of graphs to display */
graph_nr = get_svg_graph_nr(ifd, file, file_magic,
file_actlst, rectime, loctime);
if (!graph_nr)
/* No graph to display */
return;
/* Print SVG header */
if (*fmt[f_position]->f_header) {
(*fmt[f_position]->f_header)(&graph_nr, F_BEGIN + F_MAIN, file, file_magic,
&file_hdr, cpu_nr, act, id_seq);
}
/*
* If this record is a special (RESTART or COMMENT) one, ignore it and
* (try to) get another one.
*/
do {
if (read_next_sample(ifd, IGNORE_RESTART | IGNORE_COMMENT, 0,
file, &rtype, 0, file_magic, file_actlst,
rectime, loctime))
/* End of sa data file */
return;
}
while ((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);
/* Save current file position */
if ((fpos = lseek(ifd, 0, SEEK_CUR)) < 0) {
perror("lseek");
exit(2);
}
/* Save number of activities items for current file position */
sr_act_nr(save_act_nr, DO_SAVE);
/* For each requested activity, display graphs */
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;
if (!HAS_MULTIPLE_OUTPUTS(act[p]->options)) {
display_curr_act_graphs(ifd, fpos, &curr, &cnt, &eosaf,
p, &reset, file_actlst,
cpu_nr, rectime, loctime, file,
file_magic, save_act_nr, &g_nr);
}
else {
unsigned int optf, msk;
optf = act[p]->opt_flags;
for (msk = 1; msk < 0x100; msk <<= 1) {
if ((act[p]->opt_flags & 0xff) & msk) {
act[p]->opt_flags &= (0xffffff00 + msk);
display_curr_act_graphs(ifd, fpos, &curr, &cnt, &eosaf,
p, &reset, file_actlst,
cpu_nr, rectime, loctime, file,
file_magic, save_act_nr, &g_nr);
act[p]->opt_flags = optf;
}
}
}
}
/* Print SVG trailer */
if (*fmt[f_position]->f_header) {
(*fmt[f_position]->f_header)(&graph_nr, F_END, file, file_magic,
&file_hdr, cpu_nr, act, id_seq);
}
}
/*
***************************************************************************
* Display file contents in selected format (logic #2).
* Logic #2: Grouped by activity. Sorted by timestamp. Stop on RESTART
* records.
* Formats: ppc, CSV
*
* IN:
* @ifd File descriptor of input file.
* @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.
* @file Name of file being read.
* @file_magic file_magic structure filled with file magic header data.
***************************************************************************
*/
void logic2_display_loop(int ifd, struct file_activity *file_actlst, __nr_t cpu_nr,
struct tm *rectime, struct tm *loctime, char *file,
struct file_magic *file_magic)
{
int i, p;
int curr = 1, rtype;
int eosaf = TRUE, reset = FALSE;
long cnt = 1;
off_t fpos;
/* Read system statistics from file */
do {
/*
* If this record is a special (RESTART or COMMENT) one, print it and
* (try to) get another one.
*/
do {
if (read_next_sample(ifd, IGNORE_NOTHING, 0,
file, &rtype, 0, file_magic, file_actlst,
rectime, loctime))
/* End of sa data file */
return;
}
while ((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);
/* Set flag to reset last_uptime variable. Should be done after a LINUX RESTART record */
reset = TRUE;
/* Save current file position */
if ((fpos = lseek(ifd, 0, SEEK_CUR)) < 0) {
perror("lseek");
exit(2);
}
/* Read and write stats located between two possible Linux restarts */
if (DISPLAY_HORIZONTALLY(flags)) {
/*
* If stats are displayed horizontally, then all activities
* are printed on the same line.
*/
rw_curr_act_stats(ifd, fpos, &curr, &cnt, &eosaf,
ALL_ACTIVITIES, &reset, file_actlst,
cpu_nr, rectime, loctime, file, file_magic);
}
else {
/* For each requested activity... */
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))
continue;
if (!HAS_MULTIPLE_OUTPUTS(act[p]->options)) {
rw_curr_act_stats(ifd, fpos, &curr, &cnt, &eosaf,
act[p]->id, &reset, file_actlst,
cpu_nr, rectime, loctime, file,
file_magic);
}
else {
unsigned int optf, msk;
optf = act[p]->opt_flags;
for (msk = 1; msk < 0x100; msk <<= 1) {
if ((act[p]->opt_flags & 0xff) & msk) {
act[p]->opt_flags &= (0xffffff00 + msk);
rw_curr_act_stats(ifd, fpos, &curr, &cnt, &eosaf,
act[p]->id, &reset, file_actlst,
cpu_nr, rectime, loctime, file,
file_magic);
act[p]->opt_flags = optf;
}
}
}
}
}
if (!cnt) {
/* Go to next Linux restart, if possible */
do {
eosaf = read_next_sample(ifd, IGNORE_RESTART | DONT_READ_VOLATILE,
curr, file, &rtype, 0, file_magic,
file_actlst, rectime, loctime);
}
while (!eosaf && (rtype != R_RESTART));
}
/*
* The last record we read was a RESTART one: Print it.
* NB: Unlike COMMENTS records (which are displayed for each
* activity), RESTART ones are only displayed once.
*/
if (!eosaf && (record_hdr[curr].record_type == R_RESTART)) {
print_special_record(&record_hdr[curr], flags, &tm_start, &tm_end,
R_RESTART, ifd, rectime, loctime, file, 0,
file_magic, &file_hdr, act, fmt[f_position]);
}
}
while (!eosaf);
}
