tools: rename 'rtex' tool to 'pgflt'

The rtex tool only demonstrates prefaultingn to avoid runtime
page faults. It makes more sense to call it pgflt.

Signed-off-by: John Ogness <john.ogness@linutronix.de>

1 files changed, 0 insertions, 69 deletions

diff --git a/schulung_tools/rtex/func.c b/schulung_tools/rtex/func.c
deleted file mode 100644
index 4b88166..0000000
--- a/schulung_tools/rtex/func.c
+++ /dev/null
@@ -1,69 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-
-void timestamp(const char *msg, int val)
-{
-	static struct timespec tsl;
-	static long minfltl;
-
-	struct timespec ts;
-	unsigned long diff;
-	struct rusage r;
-	long rdiff;
-
-	clock_gettime(CLOCK_MONOTONIC, &ts);
-	getrusage(RUSAGE_SELF, &r);
-
-	if (tsl.tv_sec != 0) {
-		diff = (ts.tv_sec - tsl.tv_sec) * 1000000000;
-		diff += ts.tv_nsec - tsl.tv_nsec;
-
-		rdiff = r.ru_minflt - minfltl;
-
-		printf("% 10d ns % 5ld faults : %s", diff, rdiff, msg);
-		if (val >= 0)
-			printf(" (%d)", val);
-		printf("\n");
-	}
-
-	tsl = ts;
-	minfltl = r.ru_minflt;
-}
-
-/* 10 MiB */
-#define SIZE (10 * 1024 * 1024)
-
-void testfunc_malloc(void)
-{
-	char *p;
-
-	p = malloc(SIZE);
-	if (!p) {
-		fprintf(stderr, "MALLOC FAILED: %s:%d\n", __FILE__, __LINE__);
-		return;
-	}
-
-	memset(p, 42, SIZE);
-
-	if (p[SIZE - 1] != 42)
-		fprintf(stderr, "MEMSET FAILED: %s:%d\n", __FILE__, __LINE__);
-
-	free(p);
-}
-
-void recursive_stack(int i)
-{
-	char buf[1024];
-	if (i > 0)
-		recursive_stack(i - 1);
-}
-
-void testfunc_deepstack(void)
-{
-	char buf[1024];
-	recursive_stack(7 * 1024);
-}