| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Wed, 15 Dec 2021 12:54:06 +0000
From: carsten.haitzler@...s.arm.com
To: linux-kernel@...r.kernel.org
Cc: coresight@...ts.linaro.org, suzuki.poulose@....com,
mathieu.poirier@...aro.org, mike.leach@...aro.org,
leo.yan@...aro.org
Subject: [PATCH 09/12] perf test: Add add memcpy test for coresight quality checking
From: Carsten Haitzler <carsten.haitzler@....com>
This adds memory bound tests for quality checking perf's aux data
recording.
Signed-off-by: Carsten Haitzler <carsten.haitzler@....com>
---
tools/perf/tests/shell/coresight_memcpy_1m.sh | 18 +++++++++
.../perf/tests/shell/coresight_memcpy_32m.sh | 18 +++++++++
.../perf/tests/shell/coresight_memcpy_64k.sh | 18 +++++++++
.../perf/tests/shell/tools/coresight/Makefile | 3 +-
.../shell/tools/coresight/memcpy/Makefile | 29 ++++++++++++++
.../shell/tools/coresight/memcpy/memcpy.c | 40 +++++++++++++++++++
6 files changed, 125 insertions(+), 1 deletion(-)
create mode 100755 tools/perf/tests/shell/coresight_memcpy_1m.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_32m.sh
create mode 100755 tools/perf/tests/shell/coresight_memcpy_64k.sh
create mode 100644 tools/perf/tests/shell/tools/coresight/memcpy/Makefile
create mode 100644 tools/perf/tests/shell/tools/coresight/memcpy/memcpy.c
diff --git a/tools/perf/tests/shell/coresight_memcpy_1m.sh b/tools/perf/tests/shell/coresight_memcpy_1m.sh
new file mode 100755
index 000000000000..fa1c28d73b66
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_1m.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 1M
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@....com>, 2021
+
+TEST="memcpy"
+. $(dirname $0)/lib/coresight.sh
+ARGS="1024 2"
+DATV="1m"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 39 766 766
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_32m.sh b/tools/perf/tests/shell/coresight_memcpy_32m.sh
new file mode 100755
index 000000000000..4ab5459e3824
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_32m.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 32M
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@....com>, 2021
+
+TEST="memcpy"
+. $(dirname $0)/lib/coresight.sh
+ARGS="32768 1"
+DATV="32m"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 39 7804 7804
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/coresight_memcpy_64k.sh b/tools/perf/tests/shell/coresight_memcpy_64k.sh
new file mode 100755
index 000000000000..5b6ba2a6d394
--- /dev/null
+++ b/tools/perf/tests/shell/coresight_memcpy_64k.sh
@@ -0,0 +1,18 @@
+#!/bin/sh -e
+# Coresight / Memcpy 64K
+
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@....com>, 2021
+
+TEST="memcpy"
+. $(dirname $0)/lib/coresight.sh
+ARGS="64 40"
+DATV="64k"
+DATA="$DATD/perf-$TEST-$DATV.data"
+
+perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
+
+perf_dump_aux_verify "$DATA" 40 934 934
+
+err=$?
+exit $err
diff --git a/tools/perf/tests/shell/tools/coresight/Makefile b/tools/perf/tests/shell/tools/coresight/Makefile
index a1a752f45c46..99030c889b04 100644
--- a/tools/perf/tests/shell/tools/coresight/Makefile
+++ b/tools/perf/tests/shell/tools/coresight/Makefile
@@ -8,7 +8,8 @@ SUBDIRS = \
asm_pure_loop \
thread_loop \
bubble_sort \
- bubble_sort_thread
+ bubble_sort_thread \
+ memcpy
all: $(SUBDIRS)
$(SUBDIRS):
diff --git a/tools/perf/tests/shell/tools/coresight/memcpy/Makefile b/tools/perf/tests/shell/tools/coresight/memcpy/Makefile
new file mode 100644
index 000000000000..7c31fe4ec399
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/memcpy/Makefile
@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: GPL-2.0
+# Carsten Haitzler <carsten.haitzler@....com>, 2021
+include ../Makefile.miniconfig
+
+BIN=memcpy
+LIB=
+
+all: $(BIN)
+
+$(BIN): $(BIN).c
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(Q)$(CC) $(BIN).c -o $(BIN) $(LIB)
+endif
+endif
+
+install-tests: all
+ifdef CORESIGHT
+ifeq ($(ARCH),arm64)
+ $(call QUIET_INSTALL, tests) \
+ $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)'; \
+ $(INSTALL) $(BIN) '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/tests/shell/tools/$(BIN)/$(BIN)'
+endif
+endif
+
+clean:
+ $(Q)$(RM) -f $(BIN)
+
+.PHONY: all clean install-tests
diff --git a/tools/perf/tests/shell/tools/coresight/memcpy/memcpy.c b/tools/perf/tests/shell/tools/coresight/memcpy/memcpy.c
new file mode 100644
index 000000000000..1aa0617448ad
--- /dev/null
+++ b/tools/perf/tests/shell/tools/coresight/memcpy/memcpy.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+// Carsten Haitzler <carsten.haitzler@....com>, 2021
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+int main(int argc, char **argv)
+{
+ unsigned long i, len, size;
+ unsigned char *src, *dst;
+ long long v;
+
+ if (argc < 3) {
+ printf("ERR: %s [copysize Kb] [numloops (hundreds)]\n", argv[0]);
+ exit(1);
+ }
+
+ v = atoll(argv[1]);
+ if ((v < 1) || (v > (1024 * 1024))) {
+ printf("ERR: max memory 1GB (1048576 KB)\n");
+ exit(1);
+ }
+ size = v;
+ v = atoll(argv[2]);
+ if ((v < 1) || (v > 40000000000ll)) {
+ printf("ERR: loops 1-40000000000 (hundreds)\n");
+ exit(1);
+ }
+ len = v * 100;
+ src = malloc(size * 1024);
+ dst = malloc(size * 1024);
+ if ((!src) || (!dst)) {
+ printf("ERR: Can't allocate memory\n");
+ exit(1);
+ }
+ for (i = 0; i < len; i++)
+ memcpy(dst, src, size * 1024);
+ return 0;
+}
--
2.32.0
Powered by blists - more mailing lists