Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 239 insertions, 0 deletions

diff --git a/tools/perf/tests/workloads/Build b/tools/perf/tests/workloads/Build
new file mode 100644
index 0000000000..a1f34d5861
--- /dev/null
+++ b/tools/perf/tests/workloads/Build
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0
+
+perf-y += noploop.o
+perf-y += thloop.o
+perf-y += leafloop.o
+perf-y += sqrtloop.o
+perf-y += brstack.o
+perf-y += datasym.o
+
+CFLAGS_sqrtloop.o         = -g -O0 -fno-inline -U_FORTIFY_SOURCE
+CFLAGS_leafloop.o         = -g -O0 -fno-inline -fno-omit-frame-pointer -U_FORTIFY_SOURCE
+CFLAGS_brstack.o          = -g -O0 -fno-inline -U_FORTIFY_SOURCE
+CFLAGS_datasym.o          = -g -O0 -fno-inline -U_FORTIFY_SOURCE
diff --git a/tools/perf/tests/workloads/brstack.c b/tools/perf/tests/workloads/brstack.c
new file mode 100644
index 0000000000..0b60bd37b9
--- /dev/null
+++ b/tools/perf/tests/workloads/brstack.c
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <stdlib.h>
+#include "../tests.h"
+
+#define BENCH_RUNS 999999
+
+static volatile int cnt;
+
+static void brstack_bar(void) {
+}				/* return */
+
+static void brstack_foo(void) {
+	brstack_bar();		/* call */
+}				/* return */
+
+static void brstack_bench(void) {
+	void (*brstack_foo_ind)(void) = brstack_foo;
+
+	if ((cnt++) % 3)	/* branch (cond) */
+		brstack_foo();	/* call */
+	brstack_bar();		/* call */
+	brstack_foo_ind();	/* call (ind) */
+}
+
+static int brstack(int argc, const char **argv)
+{
+	int num_loops = BENCH_RUNS;
+
+	if (argc > 0)
+		num_loops = atoi(argv[0]);
+
+	while (1) {
+		if ((cnt++) > num_loops)
+			break;
+		brstack_bench();/* call */
+	}			/* branch (uncond) */
+	return 0;
+}
+
+DEFINE_WORKLOAD(brstack);
diff --git a/tools/perf/tests/workloads/datasym.c b/tools/perf/tests/workloads/datasym.c
new file mode 100644
index 0000000000..ddd40bc634
--- /dev/null
+++ b/tools/perf/tests/workloads/datasym.c
@@ -0,0 +1,24 @@
+#include <linux/compiler.h>
+#include "../tests.h"
+
+typedef struct _buf {
+	char data1;
+	char reserved[55];
+	char data2;
+} buf __attribute__((aligned(64)));
+
+static buf buf1 = {
+	/* to have this in the data section */
+	.reserved[0] = 1,
+};
+
+static int datasym(int argc __maybe_unused, const char **argv __maybe_unused)
+{
+	for (;;) {
+		buf1.data1++;
+		buf1.data2 += buf1.data1;
+	}
+	return 0;
+}
+
+DEFINE_WORKLOAD(datasym);
diff --git a/tools/perf/tests/workloads/leafloop.c b/tools/perf/tests/workloads/leafloop.c
new file mode 100644
index 0000000000..1bf5cc9764
--- /dev/null
+++ b/tools/perf/tests/workloads/leafloop.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <stdlib.h>
+#include <linux/compiler.h>
+#include "../tests.h"
+
+/* We want to check these symbols in perf script */
+noinline void leaf(volatile int b);
+noinline void parent(volatile int b);
+
+static volatile int a;
+
+noinline void leaf(volatile int b)
+{
+	for (;;)
+		a += b;
+}
+
+noinline void parent(volatile int b)
+{
+	leaf(b);
+}
+
+static int leafloop(int argc, const char **argv)
+{
+	int c = 1;
+
+	if (argc > 0)
+		c = atoi(argv[0]);
+
+	parent(c);
+	return 0;
+}
+
+DEFINE_WORKLOAD(leafloop);
diff --git a/tools/perf/tests/workloads/noploop.c b/tools/perf/tests/workloads/noploop.c
new file mode 100644
index 0000000000..940ea5910a
--- /dev/null
+++ b/tools/perf/tests/workloads/noploop.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+#include <linux/compiler.h>
+#include "../tests.h"
+
+static volatile sig_atomic_t done;
+
+static void sighandler(int sig __maybe_unused)
+{
+	done = 1;
+}
+
+static int noploop(int argc, const char **argv)
+{
+	int sec = 1;
+
+	if (argc > 0)
+		sec = atoi(argv[0]);
+
+	signal(SIGINT, sighandler);
+	signal(SIGALRM, sighandler);
+	alarm(sec);
+
+	while (!done)
+		continue;
+
+	return 0;
+}
+
+DEFINE_WORKLOAD(noploop);
diff --git a/tools/perf/tests/workloads/sqrtloop.c b/tools/perf/tests/workloads/sqrtloop.c
new file mode 100644
index 0000000000..ccc94c6a66
--- /dev/null
+++ b/tools/perf/tests/workloads/sqrtloop.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <math.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <linux/compiler.h>
+#include <sys/wait.h>
+#include "../tests.h"
+
+static volatile sig_atomic_t done;
+
+static void sighandler(int sig __maybe_unused)
+{
+	done = 1;
+}
+
+static int __sqrtloop(int sec)
+{
+	signal(SIGALRM, sighandler);
+	alarm(sec);
+
+	while (!done)
+		(void)sqrt(rand());
+	return 0;
+}
+
+static int sqrtloop(int argc, const char **argv)
+{
+	int sec = 1;
+
+	if (argc > 0)
+		sec = atoi(argv[0]);
+
+	switch (fork()) {
+	case 0:
+		return __sqrtloop(sec);
+	case -1:
+		return -1;
+	default:
+		wait(NULL);
+	}
+	return 0;
+}
+
+DEFINE_WORKLOAD(sqrtloop);
diff --git a/tools/perf/tests/workloads/thloop.c b/tools/perf/tests/workloads/thloop.c
new file mode 100644
index 0000000000..457b29f91c
--- /dev/null
+++ b/tools/perf/tests/workloads/thloop.c
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <pthread.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+#include <linux/compiler.h>
+#include "../tests.h"
+
+static volatile sig_atomic_t done;
+
+/* We want to check this symbol in perf report */
+noinline void test_loop(void);
+
+static void sighandler(int sig __maybe_unused)
+{
+	done = 1;
+}
+
+noinline void test_loop(void)
+{
+	while (!done);
+}
+
+static void *thfunc(void *arg)
+{
+	void (*loop_fn)(void) = arg;
+
+	loop_fn();
+	return NULL;
+}
+
+static int thloop(int argc, const char **argv)
+{
+	int sec = 1;
+	pthread_t th;
+
+	if (argc > 0)
+		sec = atoi(argv[0]);
+
+	signal(SIGINT, sighandler);
+	signal(SIGALRM, sighandler);
+	alarm(sec);
+
+	pthread_create(&th, NULL, thfunc, test_loop);
+	test_loop();
+	pthread_join(th, NULL);
+
+	return 0;
+}
+
+DEFINE_WORKLOAD(thloop);