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linux-kselftest-4.17-rc1 

This Kselftest update for 4.17-rc1 consists of:
 
 - Test build error fixes.
 - Fixes to prevent intel_pstate from building on non-x86 systems.
 - New test for ion with vgem driver.
 - Change to print the test name to /dev/kmsg to add context to kernel
   failures if any uncovered from running the test.
 - Kselftest framework enhancements to add KSFT_TAP_LEVEL environment
   variable to prevent nested TAP headers being printed in the Kselftest
   output. Nested TAP13 headers could cause problems for some parsers.
   This change suppresses the nested headers from test programs and test
   shell scripts with changes to framework and Makefiles without changing
   the tests.
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Merge tag 'linux-kselftest-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest update from Shuah Khan:
 "This Kselftest update for 4.17-rc1 consists of:

   - Test build error fixes

   - Fixes to prevent intel_pstate from building on non-x86 systems.

   - New test for ion with vgem driver.

   - Change to print the test name to /dev/kmsg to add context to kernel
     failures if any uncovered from running the test.

   - Kselftest framework enhancements to add KSFT_TAP_LEVEL environment
     variable to prevent nested TAP headers being printed in the
     Kselftest output.

     Nested TAP13 headers could cause problems for some parsers. This
     change suppresses the nested headers from test programs and test
     shell scripts with changes to framework and Makefiles without
     changing the tests"

* tag 'linux-kselftest-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/intel_pstate: Fix build rule for x86
  selftests: Print the test we're running to /dev/kmsg
  selftests/seccomp: Allow get_metadata to XFAIL
  selftests/android/ion: Makefile: fix build error
  selftests: futex Makefile add top level TAP header echo to RUN_TESTS
  selftests: Makefile set KSFT_TAP_LEVEL to prevent nested TAP headers
  selftests: lib.mk set KSFT_TAP_LEVEL to prevent nested TAP headers
  selftests: kselftest framework: add handling for TAP header level
  selftests: ion: Add simple test with the vgem driver
  selftests: ion: Remove some prints
This commit is contained in:
Linus Torvalds 2018-04-07 11:54:21 -07:00
parent 3612605a5a 6aa69043d9
commit fc22e19a11
12 changed files with 200 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
tools/testing/selftests/Makefile
View File

@ -67,6 +67,12 @@ ifndef BUILD
BUILD := $(shell pwd)
endif
# KSFT_TAP_LEVEL is used from KSFT framework to prevent nested TAP header
# printing from tests. Applicable to run_tests case where run_tests adds
# TAP header prior running tests and when a test program invokes another
# with system() call. Export it here to cover override RUN_TESTS defines.
export KSFT_TAP_LEVEL=`echo 1`
export BUILD
all:
@for TARGET in $(TARGETS); do \
@ -126,11 +132,14 @@ ifdef INSTALL_PATH
echo "else" >> $(ALL_SCRIPT)
echo " OUTPUT=/dev/stdout" >> $(ALL_SCRIPT)
echo "fi" >> $(ALL_SCRIPT)
echo "export KSFT_TAP_LEVEL=`echo 1`" >> $(ALL_SCRIPT)
for TARGET in $(TARGETS); do \
BUILD_TARGET=$$BUILD/$$TARGET; \
echo "echo ; echo Running tests in $$TARGET" >> $(ALL_SCRIPT); \
echo "echo ; echo TAP version 13" >> $(ALL_SCRIPT); \
echo "echo Running tests in $$TARGET" >> $(ALL_SCRIPT); \
echo "echo ========================================" >> $(ALL_SCRIPT); \
echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
echo "cd $$TARGET" >> $(ALL_SCRIPT); \
make -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
echo "cd \$$ROOT" >> $(ALL_SCRIPT); \

1
tools/testing/selftests/android/ion/.gitignore vendored
View File

@ -1,2 +1,3 @@
ionapp_export
ionapp_import
ionmap_test

5
tools/testing/selftests/android/ion/Makefile
View File

@ -1,8 +1,8 @@
INCLUDEDIR := -I. -I../../../../../drivers/staging/android/uapi/
INCLUDEDIR := -I. -I../../../../../drivers/staging/android/uapi/ -I../../../../../usr/include/
CFLAGS := $(CFLAGS) $(INCLUDEDIR) -Wall -O2 -g
TEST_GEN_FILES := ionapp_export ionapp_import
TEST_GEN_FILES := ionapp_export ionapp_import ionmap_test
all: $(TEST_GEN_FILES)
@ -14,3 +14,4 @@ include ../../lib.mk
$(OUTPUT)/ionapp_export: ionapp_export.c ipcsocket.c ionutils.c
$(OUTPUT)/ionapp_import: ionapp_import.c ipcsocket.c ionutils.c
$(OUTPUT)/ionmap_test: ionmap_test.c ionutils.c

1
tools/testing/selftests/android/ion/config
View File

@ -2,3 +2,4 @@ CONFIG_ANDROID=y
CONFIG_STAGING=y
CONFIG_ION=y
CONFIG_ION_SYSTEM_HEAP=y
CONFIG_DRM_VGEM=y

136
tools/testing/selftests/android/ion/ionmap_test.c Normal file
View File

@ -0,0 +1,136 @@
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <linux/dma-buf.h>
#include <drm/drm.h>
#include "ion.h"
#include "ionutils.h"
int check_vgem(int fd)
{
drm_version_t version = { 0 };
char name[5];
int ret;
version.name_len = 4;
version.name = name;
ret = ioctl(fd, DRM_IOCTL_VERSION, &version);
if (ret)
return 1;
return strcmp(name, "vgem");
}
int open_vgem(void)
{
int i, fd;
const char *drmstr = "/dev/dri/card";
fd = -1;
for (i = 0; i < 16; i++) {
char name[80];
sprintf(name, "%s%u", drmstr, i);
fd = open(name, O_RDWR);
if (fd < 0)
continue;
if (check_vgem(fd)) {
close(fd);
continue;
} else {
break;
}
}
return fd;
}
int import_vgem_fd(int vgem_fd, int dma_buf_fd, uint32_t *handle)
{
struct drm_prime_handle import_handle = { 0 };
int ret;
import_handle.fd = dma_buf_fd;
import_handle.flags = 0;
import_handle.handle = 0;
ret = ioctl(vgem_fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &import_handle);
if (ret == 0)
*handle = import_handle.handle;
return ret;
}
void close_handle(int vgem_fd, uint32_t handle)
{
struct drm_gem_close close = { 0 };
close.handle = handle;
ioctl(vgem_fd, DRM_IOCTL_GEM_CLOSE, &close);
}
int main()
{
int ret, vgem_fd;
struct ion_buffer_info info;
uint32_t handle = 0;
struct dma_buf_sync sync = { 0 };
info.heap_type = ION_HEAP_TYPE_SYSTEM;
info.heap_size = 4096;
info.flag_type = ION_FLAG_CACHED;
ret = ion_export_buffer_fd(&info);
if (ret < 0) {
printf("ion buffer alloc failed\n");
return -1;
}
vgem_fd = open_vgem();
if (vgem_fd < 0) {
ret = vgem_fd;
printf("Failed to open vgem\n");
goto out_ion;
}
ret = import_vgem_fd(vgem_fd, info.buffd, &handle);
if (ret < 0) {
printf("Failed to import buffer\n");
goto out_vgem;
}
sync.flags = DMA_BUF_SYNC_START | DMA_BUF_SYNC_RW;
ret = ioctl(info.buffd, DMA_BUF_IOCTL_SYNC, &sync);
if (ret)
printf("sync start failed %d\n", errno);
memset(info.buffer, 0xff, 4096);
sync.flags = DMA_BUF_SYNC_END | DMA_BUF_SYNC_RW;
ret = ioctl(info.buffd, DMA_BUF_IOCTL_SYNC, &sync);
if (ret)
printf("sync end failed %d\n", errno);
close_handle(vgem_fd, handle);
ret = 0;
out_vgem:
close(vgem_fd);
out_ion:
ion_close_buffer_fd(&info);
printf("done.\n");
return ret;
}

6
tools/testing/selftests/android/ion/ionutils.c
View File

@ -80,11 +80,6 @@ int ion_export_buffer_fd(struct ion_buffer_info *ion_info)
heap_id = MAX_HEAP_COUNT + 1;
for (i = 0; i < query.cnt; i++) {
if (heap_data[i].type == ion_info->heap_type) {
printf("--------------------------------------\n");
printf("heap type: %d\n", heap_data[i].type);
printf(" heap id: %d\n", heap_data[i].heap_id);
printf("heap name: %s\n", heap_data[i].name);
printf("--------------------------------------\n");
heap_id = heap_data[i].heap_id;
break;
}
@ -204,7 +199,6 @@ void ion_close_buffer_fd(struct ion_buffer_info *ion_info)
/* Finally, close the client fd */
if (ion_info->ionfd > 0)
close(ion_info->ionfd);
printf("<%s>: buffer release successfully....\n", __func__);
}
}

4
tools/testing/selftests/futex/Makefile
View File

@ -18,6 +18,10 @@ all:
done
override define RUN_TESTS
@export KSFT_TAP_LEVEL=`echo 1`;
@echo "TAP version 13";
@echo "selftests: futex";
@echo "========================================";
@cd $(OUTPUT); ./run.sh
endef

5
tools/testing/selftests/intel_pstate/Makefile
View File

@ -2,7 +2,10 @@
CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE
LDLIBS := $(LDLIBS) -lm
ifeq (,$(filter $(ARCH),x86))
uname_M := $(shell uname -m 2>/dev/null || echo not)
ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
ifeq (x86,$(ARCH))
TEST_GEN_FILES := msr aperf
endif

3
tools/testing/selftests/kselftest.h
View File

@ -57,7 +57,8 @@ static inline int ksft_get_error_cnt(void) { return ksft_cnt.ksft_error; }
static inline void ksft_print_header(void)
{
printf("TAP version 13\n");
if (!(getenv("KSFT_TAP_LEVEL")))
printf("TAP version 13\n");
}
static inline void ksft_print_cnts(void)

26
tools/testing/selftests/kselftest_harness.h
View File

@ -106,6 +106,27 @@
fprintf(TH_LOG_STREAM, "%s:%d:%s:" fmt "\n", \
__FILE__, __LINE__, _metadata->name, ##__VA_ARGS__)
/**
* XFAIL(statement, fmt, ...)
*
* @statement: statement to run after reporting XFAIL
* @fmt: format string
* @...: optional arguments
*
* This forces a "pass" after reporting a failure with an XFAIL prefix,
* and runs "statement", which is usually "return" or "goto skip".
*/
#define XFAIL(statement, fmt, ...) do { \
if (TH_LOG_ENABLED) { \
fprintf(TH_LOG_STREAM, "[ XFAIL! ] " fmt "\n", \
##__VA_ARGS__); \
} \
/* TODO: find a way to pass xfail to test runner process. */ \
_metadata->passed = 1; \
_metadata->trigger = 0; \
statement; \
} while (0)
/**
* TEST(test_name) - Defines the test function and creates the registration
* stub
@ -198,7 +219,7 @@
/**
* FIXTURE_SETUP(fixture_name) - Prepares the setup function for the fixture.
* *_metadata* is included so that ASSERT_* work as a convenience
* *_metadata* is included so that EXPECT_* and ASSERT_* work correctly.
*
* @fixture_name: fixture name
*
@ -221,6 +242,7 @@
FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
/**
* FIXTURE_TEARDOWN(fixture_name)
* *_metadata* is included so that EXPECT_* and ASSERT_* work correctly.
*
* @fixture_name: fixture name
*
@ -253,6 +275,8 @@
* Defines a test that depends on a fixture (e.g., is part of a test case).
* Very similar to TEST() except that *self* is the setup instance of fixture's
* datatype exposed for use by the implementation.
*
* Warning: use of ASSERT_* here will skip TEARDOWN.
*/
/* TODO(wad) register fixtures on dedicated test lists. */
#define TEST_F(fixture_name, test_name) \

1
tools/testing/selftests/lib.mk
View File

@ -20,6 +20,7 @@ all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
.ONESHELL:
define RUN_TESTS
@export KSFT_TAP_LEVEL=`echo 1`;
@test_num=`echo 0`;
@echo "TAP version 13";
@for TEST in $(1); do \

15
tools/testing/selftests/seccomp/seccomp_bpf.c
View File

@ -2860,6 +2860,7 @@ TEST(get_metadata)
int pipefd[2];
char buf;
struct seccomp_metadata md;
long ret;
ASSERT_EQ(0, pipe(pipefd));
@ -2893,16 +2894,26 @@ TEST(get_metadata)
ASSERT_EQ(0, ptrace(PTRACE_ATTACH, pid));
ASSERT_EQ(pid, waitpid(pid, NULL, 0));
/* Past here must not use ASSERT or child process is never killed. */
md.filter_off = 0;
ASSERT_EQ(sizeof(md), ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md));
errno = 0;
ret = ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md);
EXPECT_EQ(sizeof(md), ret) {
if (errno == EINVAL)
XFAIL(goto skip, "Kernel does not support PTRACE_SECCOMP_GET_METADATA (missing CONFIG_CHECKPOINT_RESTORE?)");
}
EXPECT_EQ(md.flags, SECCOMP_FILTER_FLAG_LOG);
EXPECT_EQ(md.filter_off, 0);
md.filter_off = 1;
ASSERT_EQ(sizeof(md), ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md));
ret = ptrace(PTRACE_SECCOMP_GET_METADATA, pid, sizeof(md), &md);
EXPECT_EQ(sizeof(md), ret);
EXPECT_EQ(md.flags, 0);
EXPECT_EQ(md.filter_off, 1);
skip:
ASSERT_EQ(0, kill(pid, SIGKILL));
}