procps-ng/procps-ng-3.3.15-vmstat-omit-first-report.patch

diff --git a/vmstat.8 b/vmstat.8
index fa0938c..fd1078f 100644
--- a/vmstat.8
+++ b/vmstat.8
@@ -87,6 +87,9 @@ Display version information and exit.
 .TP
 \fB\-h\fR, \fB\-\-help\fR
 Display help and exit.
+.TP
+\fB\-y\fR, \fB\-\-no-first\fR
+Omits first report with statistics since system boot.
 .PD
 .SH "FIELD DESCRIPTION FOR VM MODE"
 .SS
diff --git a/vmstat.c b/vmstat.c
index f2aa2f4..07496cd 100644
--- a/vmstat.c
+++ b/vmstat.c
@@ -75,6 +75,9 @@ static int a_option;
 /* "-w" means "wide output" */
 static int w_option;
 
+/* "-y" means "skip first output" */
+static int y_option;
+
 /* "-t" means "show timestamp" */
 static int t_option;
 
@@ -104,6 +107,7 @@ static void __attribute__ ((__noreturn__))
 	fputs(_(" -S, --unit <char>      define display unit\n"), out);
 	fputs(_(" -w, --wide             wide output\n"), out);
 	fputs(_(" -t, --timestamp        show timestamp\n"), out);
+	fputs(_(" -y, --no-first         skips first line of output\n"), out);
 	fputs(USAGE_SEPARATOR, out);
 	fputs(USAGE_HELP, out);
 	fputs(USAGE_VERSION, out);
@@ -304,43 +308,47 @@ static void new_format(void)
 		cpu_zzz, pgpgin, pgpgout, pswpin, pswpout, intr, ctxt, &running,
 		&blocked, &dummy_1, &dummy_2);
 
-	if (t_option) {
-		(void) time( &the_time );
-		tm_ptr = localtime( &the_time );
-		strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
-	}
+	if (y_option == 0) {
+		if (t_option) {
+			(void) time( &the_time );
+			tm_ptr = localtime( &the_time );
+			 strftime(timebuf, sizeof(timebuf), "%Y-%m-%d %H:%M:%S", tm_ptr);
+		}
 
-	duse = *cpu_use + *cpu_nic;
-	dsys = *cpu_sys + *cpu_xxx + *cpu_yyy;
-	didl = *cpu_idl;
-	diow = *cpu_iow;
-	dstl = *cpu_zzz;
-	Div = duse + dsys + didl + diow + dstl;
-	if (!Div) Div = 1, didl = 1;
-	divo2 = Div / 2UL;
-	printf(w_option ? wide_format : format,
-	       running, blocked,
-	       unitConvert(kb_swap_used), unitConvert(kb_main_free),
-	       unitConvert(a_option?kb_inactive:kb_main_buffers),
-	       unitConvert(a_option?kb_active:kb_main_cached),
-	       (unsigned)( (unitConvert(*pswpin  * kb_per_page) * hz + divo2) / Div ),
-	       (unsigned)( (unitConvert(*pswpout * kb_per_page) * hz + divo2) / Div ),
-	       (unsigned)( (*pgpgin		   * hz + divo2) / Div ),
-	       (unsigned)( (*pgpgout		   * hz + divo2) / Div ),
-	       (unsigned)( (*intr		   * hz + divo2) / Div ),
-	       (unsigned)( (*ctxt		   * hz + divo2) / Div ),
-	       (unsigned)( (100*duse			+ divo2) / Div ),
-	       (unsigned)( (100*dsys			+ divo2) / Div ),
-	       (unsigned)( (100*didl			+ divo2) / Div ),
-	       (unsigned)( (100*diow			+ divo2) / Div ),
-	       (unsigned)( (100*dstl			+ divo2) / Div )
-	);
+		duse = *cpu_use + *cpu_nic;
+		dsys = *cpu_sys + *cpu_xxx + *cpu_yyy;
+		didl = *cpu_idl;
+		diow = *cpu_iow;
+		dstl = *cpu_zzz;
+		Div = duse + dsys + didl + diow + dstl;
+		if (!Div) Div = 1, didl = 1;
+		divo2 = Div / 2UL;
+		printf(w_option ? wide_format : format,
+		       running, blocked,
+		       unitConvert(kb_swap_used), unitConvert(kb_main_free),
+		       unitConvert(a_option?kb_inactive:kb_main_buffers),
+		       unitConvert(a_option?kb_active:kb_main_cached),
+		       (unsigned)( (unitConvert(*pswpin  * kb_per_page) * hz + divo2) / Div ),
+		       (unsigned)( (unitConvert(*pswpout * kb_per_page) * hz + divo2) / Div ),
+		       (unsigned)( (*pgpgin		   * hz + divo2) / Div ),
+		       (unsigned)( (*pgpgout		   * hz + divo2) / Div ),
+		       (unsigned)( (*intr		   * hz + divo2) / Div ),
+		       (unsigned)( (*ctxt		   * hz + divo2) / Div ),
+		       (unsigned)( (100*duse			+ divo2) / Div ),
+		       (unsigned)( (100*dsys			+ divo2) / Div ),
+		       (unsigned)( (100*didl			+ divo2) / Div ),
+		       (unsigned)( (100*diow			+ divo2) / Div ),
+		       (unsigned)( (100*dstl			+ divo2) / Div )
+		);
 
-	if (t_option) {
-		printf(" %s", timebuf);
-	}
+		if (t_option) {
+			printf(" %s", timebuf);
+		}
 
-	printf("\n");
+		printf("\n");
+	}
+	else
+		num_updates++;
 
 	/* main loop */
 	for (i = 1; infinite_updates || i < num_updates; i++) {
@@ -865,6 +873,7 @@ int main(int argc, char *argv[])
 		{"timestamp", no_argument, NULL, 't'},
 		{"help", no_argument, NULL, 'h'},
 		{"version", no_argument, NULL, 'V'},
+		{"no-first", no_argument, NULL, 'y'},
 		{NULL, 0, NULL, 0}
 	};
 
@@ -877,7 +886,7 @@ int main(int argc, char *argv[])
 	atexit(close_stdout);
 
 	while ((c =
-		getopt_long(argc, argv, "afmnsdDp:S:wthV", longopts,
+		getopt_long(argc, argv, "afmnsdDp:S:wthVy", longopts,
 			    NULL)) != EOF)
 		switch (c) {
 		case 'V':
@@ -946,6 +955,11 @@ int main(int argc, char *argv[])
 		case 't':
 			t_option = 1;
 			break;
+		case 'y':
+			/* Don't display stats since system restart */
+			y_option = 1;
+			break;
+
 		default:
 			/* no other aguments defined yet. */
 			usage(stderr);