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linux-kselftest-4.21-rc1

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This Kselftest update for Linux 4.21-rc1 consists of:
 
 - fixes, and improvements to the framework, and individual tests.
 - a new media test for IR encoders from Sean Young.
 - a new watchdog test option to find time left on a timer.
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Merge tag 'linux-kselftest-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest updates from Shuah Khan:

 - fixes and improvements to the framework, and individual tests

 - a new media test for IR encoders from Sean Young

 - a new watchdog test option to find time left on a timer

* tag 'linux-kselftest-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: Fix test errors related to lib.mk khdr target
  fix dma-buf/udmabuf selftest
  selftests: watchdog: fix spelling mistake "experies" -> "expires"
  selftests: watchdog: Add gettimeleft command line arg
  selftests: do not macro-expand failed assertion expressions
  selftests/ftrace: Fix invalid SPDX identifiers
  selftests: gpio: Find libmount with pkg-config if available
  selftests: firmware: add CONFIG_FW_LOADER_USER_HELPER_FALLBACK to config
  selftests: firmware: remove use of non-standard diff -Z option
  media: rc: self test for IR encoders and decoders
This commit is contained in:
Linus Torvalds 2018-12-28 21:27:13 -08:00
commit 903b77c631
17 changed files with 288 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tools/testing/selftests/Makefile
View File

@ -6,6 +6,7 @@ TARGETS += capabilities
TARGETS += cgroup
TARGETS += cpufreq
TARGETS += cpu-hotplug
TARGETS += drivers/dma-buf
TARGETS += efivarfs
TARGETS += exec
TARGETS += filesystems
@ -15,6 +16,7 @@ TARGETS += futex
TARGETS += gpio
TARGETS += intel_pstate
TARGETS += ipc
TARGETS += ir
TARGETS += kcmp
TARGETS += kvm
TARGETS += lib

2
tools/testing/selftests/drivers/dma-buf/Makefile
View File

@ -2,4 +2,6 @@ CFLAGS += -I../../../../../usr/include/
TEST_GEN_PROGS := udmabuf
top_srcdir ?=../../../../..
include ../../lib.mk

11
tools/testing/selftests/drivers/dma-buf/udmabuf.c
View File

@ -4,7 +4,7 @@
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/fcntl.h>
#include <malloc.h>
#include <sys/ioctl.h>
@ -33,12 +33,19 @@ int main(int argc, char *argv[])
exit(77);
}
memfd = memfd_create("udmabuf-test", MFD_CLOEXEC);
memfd = memfd_create("udmabuf-test", MFD_ALLOW_SEALING);
if (memfd < 0) {
printf("%s: [skip,no-memfd]\n", TEST_PREFIX);
exit(77);
}
ret = fcntl(memfd, F_ADD_SEALS, F_SEAL_SHRINK);
if (ret < 0) {
printf("%s: [skip,fcntl-add-seals]\n", TEST_PREFIX);
exit(77);
}
size = getpagesize() * NUM_PAGES;
ret = ftruncate(memfd, size);
if (ret == -1) {

1
tools/testing/selftests/firmware/config
View File

@ -1,5 +1,6 @@
CONFIG_TEST_FIRMWARE=y
CONFIG_FW_LOADER=y
CONFIG_FW_LOADER_USER_HELPER=y
CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y

9
tools/testing/selftests/firmware/fw_filesystem.sh
View File

@ -155,11 +155,8 @@ read_firmwares()
{
for i in $(seq 0 3); do
config_set_read_fw_idx $i
# Verify the contents are what we expect.
# -Z required for now -- check for yourself, md5sum
# on $FW and DIR/read_firmware will yield the same. Even
# cmp agrees, so something is off.
if ! diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then
# Verify the contents match
if ! diff -q "$FW" $DIR/read_firmware 2>/dev/null ; then
echo "request #$i: firmware was not loaded" >&2
exit 1
fi
@ -171,7 +168,7 @@ read_firmwares_expect_nofile()
for i in $(seq 0 3); do
config_set_read_fw_idx $i
# Ensures contents differ
if diff -q -Z "$FW" $DIR/read_firmware 2>/dev/null ; then
if diff -q "$FW" $DIR/read_firmware 2>/dev/null ; then
echo "request $i: file was not expected to match" >&2
exit 1
fi

2
tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
View File

@ -1,5 +1,5 @@
#!/bin/sh
# SPDX-License-Identifier: GPL2.0
# SPDX-License-Identifier: GPL-2.0
# description: ftrace - stacktrace filter command
# flags: instance

2
tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc
View File

@ -1,5 +1,5 @@
#!/bin/sh
# SPDX-License-Identifier: GPL2.0
# SPDX-License-Identifier: GPL-2.0
# description: ftrace - function trace with cpumask
if ! which nproc ; then

2
tools/testing/selftests/ftrace/test.d/template
View File

@ -1,5 +1,5 @@
#!/bin/sh
# SPDX-License-Identifier: GPL2.0
# SPDX-License-Identifier: GPL-2.0
# description: %HERE DESCRIBE WHAT THIS DOES%
# you have to add ".tc" extention for your testcase file
# Note that all tests are run with "errexit" option.

2
tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc
View File

@ -1,5 +1,5 @@
#!/bin/sh
# SPDX-License-Identifier: GPL2.0
# SPDX-License-Identifier: GPL-2.0
# description: Test wakeup tracer
if ! which chrt ; then

2
tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
View File

@ -1,5 +1,5 @@
#!/bin/sh
# SPDX-License-Identifier: GPL2.0
# SPDX-License-Identifier: GPL-2.0
# description: Test wakeup RT tracer
if ! which chrt ; then

10
tools/testing/selftests/gpio/Makefile
View File

@ -1,7 +1,13 @@
# SPDX-License-Identifier: GPL-2.0
CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/
LDLIBS += -lmount -I/usr/include/libmount
MOUNT_CFLAGS := $(shell pkg-config --cflags mount 2>/dev/null)
MOUNT_LDLIBS := $(shell pkg-config --libs mount 2>/dev/null)
ifeq ($(MOUNT_LDLIBS),)
MOUNT_LDLIBS := -lmount -I/usr/include/libmount
endif
CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ $(MOUNT_CFLAGS)
LDLIBS += $(MOUNT_LDLIBS)
TEST_PROGS := gpio-mockup.sh
TEST_FILES := gpio-mockup-sysfs.sh

1
tools/testing/selftests/ir/.gitignore vendored Normal file
View File

@ -0,0 +1 @@
ir_loopback

5
tools/testing/selftests/ir/Makefile Normal file
View File

@ -0,0 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
TEST_PROGS := ir_loopback.sh
TEST_GEN_PROGS_EXTENDED := ir_loopback
include ../lib.mk

199
tools/testing/selftests/ir/ir_loopback.c Normal file
View File

@ -0,0 +1,199 @@
// SPDX-License-Identifier: GPL-2.0
// test ir decoder
//
// Copyright (C) 2018 Sean Young <sean@mess.org>
// When sending LIRC_MODE_SCANCODE, the IR will be encoded. rc-loopback
// will send this IR to the receiver side, where we try to read the decoded
// IR. Decoding happens in a separate kernel thread, so we will need to
// wait until that is scheduled, hence we use poll to check for read
// readiness.
#include <linux/lirc.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <poll.h>
#include <time.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <dirent.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "../kselftest.h"
#define TEST_SCANCODES 10
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
static const struct {
enum rc_proto proto;
const char *name;
unsigned int mask;
const char *decoder;
} protocols[] = {
{ RC_PROTO_RC5, "rc-5", 0x1f7f, "rc-5" },
{ RC_PROTO_RC5X_20, "rc-5x-20", 0x1f7f3f, "rc-5" },
{ RC_PROTO_RC5_SZ, "rc-5-sz", 0x2fff, "rc-5-sz" },
{ RC_PROTO_JVC, "jvc", 0xffff, "jvc" },
{ RC_PROTO_SONY12, "sony-12", 0x1f007f, "sony" },
{ RC_PROTO_SONY15, "sony-15", 0xff007f, "sony" },
{ RC_PROTO_SONY20, "sony-20", 0x1fff7f, "sony" },
{ RC_PROTO_NEC, "nec", 0xffff, "nec" },
{ RC_PROTO_NECX, "nec-x", 0xffffff, "nec" },
{ RC_PROTO_NEC32, "nec-32", 0xffffffff, "nec" },
{ RC_PROTO_SANYO, "sanyo", 0x1fffff, "sanyo" },
{ RC_PROTO_RC6_0, "rc-6-0", 0xffff, "rc-6" },
{ RC_PROTO_RC6_6A_20, "rc-6-6a-20", 0xfffff, "rc-6" },
{ RC_PROTO_RC6_6A_24, "rc-6-6a-24", 0xffffff, "rc-6" },
{ RC_PROTO_RC6_6A_32, "rc-6-6a-32", 0xffffffff, "rc-6" },
{ RC_PROTO_RC6_MCE, "rc-6-mce", 0x00007fff, "rc-6" },
{ RC_PROTO_SHARP, "sharp", 0x1fff, "sharp" },
};
int lirc_open(const char *rc)
{
struct dirent *dent;
char buf[100];
DIR *d;
int fd;
snprintf(buf, sizeof(buf), "/sys/class/rc/%s", rc);
d = opendir(buf);
if (!d)
ksft_exit_fail_msg("cannot open %s: %m\n", buf);
while ((dent = readdir(d)) != NULL) {
if (!strncmp(dent->d_name, "lirc", 4)) {
snprintf(buf, sizeof(buf), "/dev/%s", dent->d_name);
break;
}
}
if (!dent)
ksft_exit_fail_msg("cannot find lirc device for %s\n", rc);
closedir(d);
fd = open(buf, O_RDWR | O_NONBLOCK);
if (fd == -1)
ksft_exit_fail_msg("cannot open: %s: %m\n", buf);
return fd;
}
int main(int argc, char **argv)
{
unsigned int mode;
char buf[100];
int rlircfd, wlircfd, protocolfd, i, n;
srand(time(NULL));
if (argc != 3)
ksft_exit_fail_msg("Usage: %s <write rcN> <read rcN>\n",
argv[0]);
rlircfd = lirc_open(argv[2]);
mode = LIRC_MODE_SCANCODE;
if (ioctl(rlircfd, LIRC_SET_REC_MODE, &mode))
ksft_exit_fail_msg("failed to set scancode rec mode %s: %m\n",
argv[2]);
wlircfd = lirc_open(argv[1]);
if (ioctl(wlircfd, LIRC_SET_SEND_MODE, &mode))
ksft_exit_fail_msg("failed to set scancode send mode %s: %m\n",
argv[1]);
snprintf(buf, sizeof(buf), "/sys/class/rc/%s/protocols", argv[2]);
protocolfd = open(buf, O_WRONLY);
if (protocolfd == -1)
ksft_exit_fail_msg("failed to open %s: %m\n", buf);
printf("Sending IR on %s and receiving IR on %s.\n", argv[1], argv[2]);
for (i = 0; i < ARRAY_SIZE(protocols); i++) {
if (write(protocolfd, protocols[i].decoder,
strlen(protocols[i].decoder)) == -1)
ksft_exit_fail_msg("failed to set write decoder\n");
printf("Testing protocol %s for decoder %s (%d/%d)...\n",
protocols[i].name, protocols[i].decoder,
i + 1, (int)ARRAY_SIZE(protocols));
for (n = 0; n < TEST_SCANCODES; n++) {
unsigned int scancode = rand() & protocols[i].mask;
unsigned int rc_proto = protocols[i].proto;
if (rc_proto == RC_PROTO_RC6_MCE)
scancode |= 0x800f0000;
if (rc_proto == RC_PROTO_NECX &&
(((scancode >> 16) ^ ~(scancode >> 8)) & 0xff) == 0)
continue;
if (rc_proto == RC_PROTO_NEC32 &&
(((scancode >> 8) ^ ~scancode) & 0xff) == 0)
continue;
struct lirc_scancode lsc = {
.rc_proto = rc_proto,
.scancode = scancode
};
printf("Testing scancode:%x\n", scancode);
while (write(wlircfd, &lsc, sizeof(lsc)) < 0) {
if (errno == EINTR)
continue;
ksft_exit_fail_msg("failed to send ir: %m\n");
}
struct pollfd pfd = { .fd = rlircfd, .events = POLLIN };
struct lirc_scancode lsc2;
poll(&pfd, 1, 1000);
bool decoded = true;
while (read(rlircfd, &lsc2, sizeof(lsc2)) < 0) {
if (errno == EINTR)
continue;
ksft_test_result_error("no scancode decoded: %m\n");
decoded = false;
break;
}
if (!decoded)
continue;
if (lsc.rc_proto != lsc2.rc_proto)
ksft_test_result_error("decoded protocol is different: %d\n",
lsc2.rc_proto);
else if (lsc.scancode != lsc2.scancode)
ksft_test_result_error("decoded scancode is different: %llx\n",
lsc2.scancode);
else
ksft_inc_pass_cnt();
}
printf("OK\n");
}
close(rlircfd);
close(wlircfd);
close(protocolfd);
if (ksft_get_fail_cnt() > 0)
ksft_exit_fail();
else
ksft_exit_pass();
return 0;
}

20
tools/testing/selftests/ir/ir_loopback.sh Executable file
View File

@ -0,0 +1,20 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
if ! /sbin/modprobe -q -n rc-loopback; then
echo "ir_loopback: module rc-loopback is not found [SKIP]"
exit $ksft_skip
fi
/sbin/modprobe rc-loopback
if [ $? -ne 0 ]; then
exit
fi
RCDEV=$(grep -l DRV_NAME=rc-loopback /sys/class/rc/rc*/uevent | grep -o 'rc[0-9]\+')
./ir_loopback $RCDEV $RCDEV
exit

42
tools/testing/selftests/kselftest_harness.h
View File

@ -354,7 +354,7 @@
* ASSERT_EQ(expected, measured): expected == measured
*/
#define ASSERT_EQ(expected, seen) \
__EXPECT(expected, seen, ==, 1)
__EXPECT(expected, #expected, seen, #seen, ==, 1)
/**
* ASSERT_NE(expected, seen)
@ -365,7 +365,7 @@
* ASSERT_NE(expected, measured): expected != measured
*/
#define ASSERT_NE(expected, seen) \
__EXPECT(expected, seen, !=, 1)
__EXPECT(expected, #expected, seen, #seen, !=, 1)
/**
* ASSERT_LT(expected, seen)
@ -376,7 +376,7 @@
* ASSERT_LT(expected, measured): expected < measured
*/
#define ASSERT_LT(expected, seen) \
__EXPECT(expected, seen, <, 1)
__EXPECT(expected, #expected, seen, #seen, <, 1)
/**
* ASSERT_LE(expected, seen)
@ -387,7 +387,7 @@
* ASSERT_LE(expected, measured): expected <= measured
*/
#define ASSERT_LE(expected, seen) \
__EXPECT(expected, seen, <=, 1)
__EXPECT(expected, #expected, seen, #seen, <=, 1)
/**
* ASSERT_GT(expected, seen)
@ -398,7 +398,7 @@
* ASSERT_GT(expected, measured): expected > measured
*/
#define ASSERT_GT(expected, seen) \
__EXPECT(expected, seen, >, 1)
__EXPECT(expected, #expected, seen, #seen, >, 1)
/**
* ASSERT_GE(expected, seen)
@ -409,7 +409,7 @@
* ASSERT_GE(expected, measured): expected >= measured
*/
#define ASSERT_GE(expected, seen) \
__EXPECT(expected, seen, >=, 1)
__EXPECT(expected, #expected, seen, #seen, >=, 1)
/**
* ASSERT_NULL(seen)
@ -419,7 +419,7 @@
* ASSERT_NULL(measured): NULL == measured
*/
#define ASSERT_NULL(seen) \
__EXPECT(NULL, seen, ==, 1)
__EXPECT(NULL, "NULL", seen, #seen, ==, 1)
/**
* ASSERT_TRUE(seen)
@ -429,7 +429,7 @@
* ASSERT_TRUE(measured): measured != 0
*/
#define ASSERT_TRUE(seen) \
ASSERT_NE(0, seen)
__EXPECT(0, "0", seen, #seen, !=, 1)
/**
* ASSERT_FALSE(seen)
@ -439,7 +439,7 @@
* ASSERT_FALSE(measured): measured == 0
*/
#define ASSERT_FALSE(seen) \
ASSERT_EQ(0, seen)
__EXPECT(0, "0", seen, #seen, ==, 1)
/**
* ASSERT_STREQ(expected, seen)
@ -472,7 +472,7 @@
* EXPECT_EQ(expected, measured): expected == measured
*/
#define EXPECT_EQ(expected, seen) \
__EXPECT(expected, seen, ==, 0)
__EXPECT(expected, #expected, seen, #seen, ==, 0)
/**
* EXPECT_NE(expected, seen)
@ -483,7 +483,7 @@
* EXPECT_NE(expected, measured): expected != measured
*/
#define EXPECT_NE(expected, seen) \
__EXPECT(expected, seen, !=, 0)
__EXPECT(expected, #expected, seen, #seen, !=, 0)
/**
* EXPECT_LT(expected, seen)
@ -494,7 +494,7 @@
* EXPECT_LT(expected, measured): expected < measured
*/
#define EXPECT_LT(expected, seen) \
__EXPECT(expected, seen, <, 0)
__EXPECT(expected, #expected, seen, #seen, <, 0)
/**
* EXPECT_LE(expected, seen)
@ -505,7 +505,7 @@
* EXPECT_LE(expected, measured): expected <= measured
*/
#define EXPECT_LE(expected, seen) \
__EXPECT(expected, seen, <=, 0)
__EXPECT(expected, #expected, seen, #seen, <=, 0)
/**
* EXPECT_GT(expected, seen)
@ -516,7 +516,7 @@
* EXPECT_GT(expected, measured): expected > measured
*/
#define EXPECT_GT(expected, seen) \
__EXPECT(expected, seen, >, 0)
__EXPECT(expected, #expected, seen, #seen, >, 0)
/**
* EXPECT_GE(expected, seen)
@ -527,7 +527,7 @@
* EXPECT_GE(expected, measured): expected >= measured
*/
#define EXPECT_GE(expected, seen) \
__EXPECT(expected, seen, >=, 0)
__EXPECT(expected, #expected, seen, #seen, >=, 0)
/**
* EXPECT_NULL(seen)
@ -537,7 +537,7 @@
* EXPECT_NULL(measured): NULL == measured
*/
#define EXPECT_NULL(seen) \
__EXPECT(NULL, seen, ==, 0)
__EXPECT(NULL, "NULL", seen, #seen, ==, 0)
/**
* EXPECT_TRUE(seen)
@ -547,7 +547,7 @@
* EXPECT_TRUE(measured): 0 != measured
*/
#define EXPECT_TRUE(seen) \
EXPECT_NE(0, seen)
__EXPECT(0, "0", seen, #seen, !=, 0)
/**
* EXPECT_FALSE(seen)
@ -557,7 +557,7 @@
* EXPECT_FALSE(measured): 0 == measured
*/
#define EXPECT_FALSE(seen) \
EXPECT_EQ(0, seen)
__EXPECT(0, "0", seen, #seen, ==, 0)
/**
* EXPECT_STREQ(expected, seen)
@ -597,7 +597,7 @@
if (_metadata->passed && _metadata->step < 255) \
_metadata->step++;
#define __EXPECT(_expected, _seen, _t, _assert) do { \
#define __EXPECT(_expected, _expected_str, _seen, _seen_str, _t, _assert) do { \
/* Avoid multiple evaluation of the cases */ \
__typeof__(_expected) __exp = (_expected); \
__typeof__(_seen) __seen = (_seen); \
@ -606,8 +606,8 @@
unsigned long long __exp_print = (uintptr_t)__exp; \
unsigned long long __seen_print = (uintptr_t)__seen; \
__TH_LOG("Expected %s (%llu) %s %s (%llu)", \
#_expected, __exp_print, #_t, \
#_seen, __seen_print); \
_expected_str, __exp_print, #_t, \
_seen_str, __seen_print); \
_metadata->passed = 0; \
/* Ensure the optional handler is triggered */ \
_metadata->trigger = 1; \

13
tools/testing/selftests/watchdog/watchdog-test.c
View File

@ -19,7 +19,7 @@
int fd;
const char v = 'V';
static const char sopts[] = "bdehp:t:Tn:N";
static const char sopts[] = "bdehp:t:Tn:NL";
static const struct option lopts[] = {
{"bootstatus", no_argument, NULL, 'b'},
{"disable", no_argument, NULL, 'd'},
@ -30,6 +30,7 @@ static const struct option lopts[] = {
{"gettimeout", no_argument, NULL, 'T'},
{"pretimeout", required_argument, NULL, 'n'},
{"getpretimeout", no_argument, NULL, 'N'},
{"gettimeleft", no_argument, NULL, 'L'},
{NULL, no_argument, NULL, 0x0}
};
@ -77,6 +78,7 @@ static void usage(char *progname)
printf(" -T, --gettimeout Get the timeout\n");
printf(" -n, --pretimeout=T Set the pretimeout to T seconds\n");
printf(" -N, --getpretimeout Get the pretimeout\n");
printf(" -L, --gettimeleft Get the time left until timer expires\n");
printf("\n");
printf("Parameters are parsed left-to-right in real-time.\n");
printf("Example: %s -d -t 10 -p 5 -e\n", progname);
@ -180,6 +182,15 @@ int main(int argc, char *argv[])
else
printf("WDIOC_GETPRETIMEOUT error '%s'\n", strerror(errno));
break;
case 'L':
oneshot = 1;
ret = ioctl(fd, WDIOC_GETTIMELEFT, &flags);
if (!ret)
printf("WDIOC_GETTIMELEFT returns %u seconds.\n", flags);
else
printf("WDIOC_GETTIMELEFT error '%s'\n", strerror(errno));
break;
default:
usage(argv[0]);
goto end;