vmstat: Support for timestamps with '-t' & fix for '-wd'
From now the vmstat can append a timestamp to each line in the VMSTAT and DISKSTAT mode. You can achieve that with the '-t' switch. The '-w' switch now works in the DISKSTAT mode too.
This commit is contained in:
Jaromir Capik
parent
8e7ef322e2
commit
4fcd56bf58
3
vmstat.8
3
vmstat.8
@ -74,6 +74,9 @@ or 1048576
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bytes. Note this does not change the swap (si/so) or block (bi/bo)
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fields.
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.TP
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\fB\-t\fR, \fB\-\-timestamp\fR
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Append timestamp to each line
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.TP
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\fB\-w\fR, \fB\-\-wide\fR
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Wide output mode (useful for systems with higher amount of memory,
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where the default output mode suffers from unwanted column breakage).
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163
vmstat.c
163
vmstat.c
@ -43,6 +43,7 @@
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#include <sys/types.h>
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#include <termios.h>
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#include <unistd.h>
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#include <time.h>
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#include "c.h"
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#include "fileutils.h"
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@ -75,6 +76,9 @@ static int a_option;
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/* "-w" means "wide output" */
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static int w_option;
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/* "-t" means "show timestamp" */
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static int t_option;
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static unsigned sleep_time = 1;
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static int infinite_updates = 0;
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static unsigned long num_updates;
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@ -100,6 +104,7 @@ static void __attribute__ ((__noreturn__))
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fputs(_(" -p, --partition <dev> partition specific statistics\n"), out);
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fputs(_(" -S, --unit <char> define display unit\n"), out);
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fputs(_(" -w, --wide wide output\n"), out);
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fputs(_(" -t, --timestamp show timestamp\n"), out);
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fputs(USAGE_SEPARATOR, out);
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fputs(USAGE_HELP, out);
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fputs(USAGE_VERSION, out);
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@ -180,21 +185,33 @@ static int format_1000(unsigned long long val64, char *restrict dst)
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static void new_header(void)
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{
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struct tm *tm_ptr;
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time_t the_time;
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char timebuf[32];
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/* Translation Hint: Translating folloging header & fields
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* that follow (marked with max x chars) might not work,
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* unless manual page is translated as well. */
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const char header[] =
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"procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----\n";
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const char wide_header[] =
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"procs -----------------------memory---------------------- ---swap-- -----io---- -system-- --------cpu--------\n";
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const char *header =
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_("procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----");
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const char *wide_header =
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_("procs -----------------------memory---------------------- ---swap-- -----io---- -system-- --------cpu--------");
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const char *timestamp_header = _(" -----timestamp-----");
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const char format[] =
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"%2s %2s %6s %6s %6s %6s %4s %4s %5s %5s %4s %4s %2s %2s %2s %2s %2s\n";
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"%2s %2s %6s %6s %6s %6s %4s %4s %5s %5s %4s %4s %2s %2s %2s %2s %2s";
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const char wide_format[] =
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"%2s %2s %12s %12s %12s %12s %4s %4s %5s %5s %4s %4s %3s %3s %3s %3s %3s\n";
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"%2s %2s %12s %12s %12s %12s %4s %4s %5s %5s %4s %4s %3s %3s %3s %3s %3s";
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printf(w_option ? wide_header : header);
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if (t_option) {
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printf(timestamp_header);
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}
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printf("\n");
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printf(w_option ? _(wide_header) : _(header));
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printf(
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w_option ? wide_format : format,
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/* Translation Hint: max 2 chars */
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@ -235,6 +252,19 @@ static void new_header(void)
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_("wa"),
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/* Translation Hint: max 2 chars */
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_("st"));
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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if (strftime(timebuf, sizeof(timebuf), "%Z", tm_ptr)) {
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timebuf[strlen(timestamp_header) - 1] = '\0';
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} else {
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timebuf[0] = '\0';
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}
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printf(" %*s", (int)(strlen(timestamp_header) - 1), timebuf);
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}
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printf("\n");
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}
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static unsigned long unitConvert(unsigned long size)
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@ -247,9 +277,9 @@ static unsigned long unitConvert(unsigned long size)
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static void new_format(void)
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{
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const char format[] =
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"%2u %2u %6lu %6lu %6lu %6lu %4u %4u %5u %5u %4u %4u %2u %2u %2u %2u %2u\n";
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"%2u %2u %6lu %6lu %6lu %6lu %4u %4u %5u %5u %4u %4u %2u %2u %2u %2u %2u";
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const char wide_format[] =
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"%2u %2u %12lu %12lu %12lu %12lu %4u %4u %5u %5u %4u %4u %3u %3u %3u %3u %3u\n";
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"%2u %2u %12lu %12lu %12lu %12lu %4u %4u %5u %5u %4u %4u %3u %3u %3u %3u %3u";
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unsigned int tog = 0; /* toggle switch for cleaner code */
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unsigned int i;
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@ -263,6 +293,9 @@ static void new_format(void)
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unsigned int sleep_half;
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unsigned long kb_per_page = sysconf(_SC_PAGESIZE) / 1024ul;
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int debt = 0; /* handle idle ticks running backwards */
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struct tm *tm_ptr;
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time_t the_time;
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char timebuf[32];
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sleep_half = (sleep_time / 2);
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new_header();
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@ -272,6 +305,12 @@ static void new_format(void)
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cpu_zzz, pgpgin, pgpgout, pswpin, pswpout, intr, ctxt, &running,
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&blocked, &dummy_1, &dummy_2);
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
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}
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duse = *cpu_use + *cpu_nic;
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dsys = *cpu_sys + *cpu_xxx + *cpu_yyy;
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didl = *cpu_idl;
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@ -298,6 +337,12 @@ static void new_format(void)
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(unsigned)( (100*dstl + divo2) / Div )
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);
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if (t_option) {
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printf(" %s", timebuf);
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}
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printf("\n");
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/* main loop */
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for (i = 1; infinite_updates || i < num_updates; i++) {
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sleep(sleep_time);
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@ -313,6 +358,12 @@ static void new_format(void)
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pgpgout + tog, pswpin + tog, pswpout + tog, intr + tog,
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ctxt + tog, &running, &blocked, &dummy_1, &dummy_2);
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
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}
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duse =
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cpu_use[tog] - cpu_use[!tog] + cpu_nic[tog] - cpu_nic[!tog];
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dsys =
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@ -364,6 +415,12 @@ static void new_format(void)
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/* st */
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(unsigned)( (100*dstl+divo2)/Div )
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);
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if (t_option) {
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printf(" %s", timebuf);
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}
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printf("\n");
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}
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}
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@ -453,11 +510,33 @@ static int diskpartition_format(const char *partition_name)
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static void diskheader(void)
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{
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struct tm *tm_ptr;
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time_t the_time;
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char timebuf[32];
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/* Translation Hint: Translating folloging header & fields
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* that follow (marked with max x chars) might not work,
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* unless manual page is translated as well. */
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printf(_("disk- ------------reads------------ ------------writes----------- -----IO------\n"));
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printf("%5s %6s %6s %7s %7s %6s %6s %7s %7s %6s %6s\n",
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const char *header =
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_("disk- ------------reads------------ ------------writes----------- -----IO------");
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const char *wide_header =
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_("disk- -------------------reads------------------- -------------------writes------------------ ------IO-------");
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const char *timestamp_header = _(" -----timestamp-----");
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const char format[] =
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"%5s %6s %6s %7s %7s %6s %6s %7s %7s %6s %6s";
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const char wide_format[] =
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"%5s %9s %9s %11s %11s %9s %9s %11s %11s %7s %7s";
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printf(w_option ? wide_header : header);
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if (t_option) {
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printf(timestamp_header);
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}
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printf("\n");
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printf(w_option ? wide_format : format,
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" ",
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/* Translation Hint: max 6 chars */
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_("total"),
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@ -479,25 +558,53 @@ static void diskheader(void)
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_("cur"),
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/* Translation Hint: max 6 chars */
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_("sec"));
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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if (strftime(timebuf, sizeof(timebuf), "%Z", tm_ptr)) {
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timebuf[strlen(timestamp_header) - 1] = '\0';
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} else {
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timebuf[0] = '\0';
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}
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printf(" %*s", (int)(strlen(timestamp_header) - 1), timebuf);
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}
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printf("\n");
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}
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static void diskformat(void)
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{
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const char format[] =
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"%-5s %6u %6u %7llu %7u %6u %6u %7llu %7u %6u %6u";
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const char wide_format[] =
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"%-5s %9u %9u %11llu %11u %9u %9u %11llu %11u %7u %7u";
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FILE *fDiskstat;
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struct disk_stat *disks;
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struct partition_stat *partitions;
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unsigned long ndisks, i, j, k;
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const char format[] = "%-5s %6u %6u %7llu %7u %6u %6u %7llu %7u %6u %6u\n";
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struct tm *tm_ptr;
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time_t the_time;
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char timebuf[32];
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if ((fDiskstat = fopen("/proc/diskstats", "rb"))) {
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fclose(fDiskstat);
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ndisks = getdiskstat(&disks, &partitions);
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
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}
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if (!moreheaders)
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diskheader();
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for (k = 0; k < ndisks; k++) {
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if (moreheaders && ((k % height) == 0))
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diskheader();
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printf(format,
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printf(w_option ? wide_format : format,
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disks[k].disk_name,
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disks[k].reads,
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disks[k].merged_reads,
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@ -510,17 +617,31 @@ static void diskformat(void)
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disks[k].inprogress_IO ? disks[k].inprogress_IO / 1000 : 0,
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disks[k].milli_spent_IO ? disks[k].
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milli_spent_IO / 1000 : 0);
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if (t_option) {
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printf(" %s", timebuf);
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}
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printf("\n");
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fflush(stdout);
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}
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free(disks);
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free(partitions);
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for (j = 1; infinite_updates || j < num_updates; j++) {
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sleep(sleep_time);
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ndisks = getdiskstat(&disks, &partitions);
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if (t_option) {
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(void) time( &the_time );
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tm_ptr = localtime( &the_time );
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strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
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}
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for (i = 0; i < ndisks; i++, k++) {
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if (moreheaders && ((k % height) == 0))
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diskheader();
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printf(format,
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printf(w_option ? wide_format : format,
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disks[i].disk_name,
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disks[i].reads,
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disks[i].merged_reads,
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@ -533,6 +654,12 @@ static void diskformat(void)
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disks[i].inprogress_IO ? disks[i].inprogress_IO / 1000 : 0,
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disks[i].milli_spent_IO ? disks[i].
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milli_spent_IO / 1000 : 0);
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if (t_option) {
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printf(" %s", timebuf);
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}
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printf("\n");
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fflush(stdout);
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}
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free(disks);
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@ -740,6 +867,7 @@ int main(int argc, char *argv[])
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{"partition", required_argument, NULL, 'p'},
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{"unit", required_argument, NULL, 'S'},
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{"wide", no_argument, NULL, 'w'},
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{"timestamp", no_argument, NULL, 't'},
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{"help", no_argument, NULL, 'h'},
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{"version", no_argument, NULL, 'V'},
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{NULL, 0, NULL, 0}
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@ -754,7 +882,7 @@ int main(int argc, char *argv[])
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atexit(close_stdout);
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while ((c =
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getopt_long(argc, argv, "afmnsdDp:S:whV", longopts,
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getopt_long(argc, argv, "afmnsdDp:S:wthV", longopts,
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NULL)) != EOF)
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switch (c) {
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case 'V':
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@ -820,6 +948,9 @@ int main(int argc, char *argv[])
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case 'w':
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w_option = 1;
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break;
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case 't':
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t_option = 1;
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break;
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default:
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/* no other aguments defined yet. */
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usage(stderr);
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