December 2023 - Linux-kselftest-mirror

[PATCH 2/2] selftest/bpf: Test returning zero from a perf bpf program suppresses SIGIO.

by Kyle Huey

The test sets a hardware breakpoint and uses a bpf program to suppress the I/O availability signal if the ip matches the expected value. Signed-off-by: Kyle Huey <khuey(a)kylehuey.com> --- .../selftests/bpf/prog_tests/perf_skip.c | 95 +++++++++++++++++++ .../selftests/bpf/progs/test_perf_skip.c | 23 +++++ 2 files changed, 118 insertions(+) create mode 100644 tools/testing/selftests/bpf/prog_tests/perf_skip.c create mode 100644 tools/testing/selftests/bpf/progs/test_perf_skip.c diff --git a/tools/testing/selftests/bpf/prog_tests/perf_skip.c b/tools/testing/selftests/bpf/prog_tests/perf_skip.c new file mode 100644 index 000000000000..b269a31669b7 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/perf_skip.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE +#include <test_progs.h> +#include "test_perf_skip.skel.h" +#include <linux/hw_breakpoint.h> +#include <sys/mman.h> + +#define BPF_OBJECT "test_perf_skip.bpf.o" + +static void handle_sig(int) +{ + ASSERT_OK(1, "perf event not skipped"); +} + +static noinline int test_function(void) +{ + return 0; +} + +void serial_test_perf_skip(void) +{ + sighandler_t previous; + int duration = 0; + struct test_perf_skip *skel = NULL; + int map_fd = -1; + long page_size = sysconf(_SC_PAGE_SIZE); + uintptr_t *ip = NULL; + int prog_fd = -1; + struct perf_event_attr attr = {0}; + int perf_fd = -1; + struct f_owner_ex owner; + int err; + + previous = signal(SIGIO, handle_sig); + + skel = test_perf_skip__open_and_load(); + if (!ASSERT_OK_PTR(skel, "skel_load")) + goto cleanup; + + prog_fd = bpf_program__fd(skel->progs.handler); + if (!ASSERT_OK(prog_fd < 0, "bpf_program__fd")) + goto cleanup; + + map_fd = bpf_map__fd(skel->maps.ip); + if (!ASSERT_OK(map_fd < 0, "bpf_map__fd")) + goto cleanup; + + ip = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED, map_fd, 0); + if (!ASSERT_OK_PTR(ip, "mmap bpf map")) + goto cleanup; + + *ip = (uintptr_t)test_function; + + attr.type = PERF_TYPE_BREAKPOINT; + attr.size = sizeof(attr); + attr.bp_type = HW_BREAKPOINT_X; + attr.bp_addr = (uintptr_t)test_function; + attr.bp_len = sizeof(long); + attr.sample_period = 1; + attr.sample_type = PERF_SAMPLE_IP; + attr.pinned = 1; + attr.exclude_kernel = 1; + attr.exclude_hv = 1; + attr.precise_ip = 3; + + perf_fd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0); + if (CHECK(perf_fd < 0, "perf_event_open", "err %d\n", perf_fd)) + goto cleanup; + + err = fcntl(perf_fd, F_SETFL, O_ASYNC); + if (!ASSERT_OK(err, "fcntl(F_SETFL, O_ASYNC)")) + goto cleanup; + + owner.type = F_OWNER_TID; + owner.pid = gettid(); + err = fcntl(perf_fd, F_SETOWN_EX, &owner); + if (!ASSERT_OK(err, "fcntl(F_SETOWN_EX)")) + goto cleanup; + + err = ioctl(perf_fd, PERF_EVENT_IOC_SET_BPF, prog_fd); + if (!ASSERT_OK(err, "ioctl(PERF_EVENT_IOC_SET_BPF)")) + goto cleanup; + + test_function(); + +cleanup: + if (perf_fd >= 0) + close(perf_fd); + if (ip) + munmap(ip, page_size); + if (skel) + test_perf_skip__destroy(skel); + + signal(SIGIO, previous); +} diff --git a/tools/testing/selftests/bpf/progs/test_perf_skip.c b/tools/testing/selftests/bpf/progs/test_perf_skip.c new file mode 100644 index 000000000000..ef01a9161afe --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_perf_skip.c @@ -0,0 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "vmlinux.h" +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +struct { + __uint(type, BPF_MAP_TYPE_ARRAY); + __uint(max_entries, 1); + __uint(map_flags, BPF_F_MMAPABLE); + __type(key, uint32_t); + __type(value, uintptr_t); +} ip SEC(".maps"); + +SEC("perf_event") +int handler(struct bpf_perf_event_data *data) +{ + const uint32_t index = 0; + uintptr_t *v = bpf_map_lookup_elem(&ip, &index); + + return !(v && *v == PT_REGS_IP(&data->regs)); +} + +char _license[] SEC("license") = "GPL"; -- 2.34.1

1 year, 1 month

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[PATCH bpf-next v2 0/3] xsk: TX metadata txtime support

by Song Yoong Siang

This series expands XDP TX metadata framework to include ETF HW offload. Changes since v1: - rename Time-Based Scheduling (TBS) to Earliest TxTime First (ETF) - rename launch-time to txtime v1: https://patchwork.kernel.org/project/netdevbpf/cover/20231130162028.852006-… Song Yoong Siang (3): xsk: add ETF support to XDP Tx metadata net: stmmac: Add txtime support to XDP ZC selftests/bpf: Add txtime to xdp_hw_metadata Documentation/netlink/specs/netdev.yaml | 4 ++++ Documentation/networking/xsk-tx-metadata.rst | 5 +++++ drivers/net/ethernet/stmicro/stmmac/stmmac.h | 2 ++ .../net/ethernet/stmicro/stmmac/stmmac_main.c | 13 +++++++++++++ include/net/xdp_sock.h | 9 +++++++++ include/net/xdp_sock_drv.h | 1 + include/uapi/linux/if_xdp.h | 9 +++++++++ include/uapi/linux/netdev.h | 3 +++ net/core/netdev-genl.c | 2 ++ net/xdp/xsk.c | 3 +++ tools/include/uapi/linux/if_xdp.h | 9 +++++++++ tools/include/uapi/linux/netdev.h | 3 +++ tools/net/ynl/generated/netdev-user.c | 1 + tools/testing/selftests/bpf/xdp_hw_metadata.c | 18 +++++++++++++++++- 14 files changed, 81 insertions(+), 1 deletion(-) -- 2.34.1

1 year, 1 month

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Re: [PATCH net-next v2] net: ctnetlink: support filtering by zone

by Felix Huettner

Hi, > > > > Please, extend libnetfilter_conntrack to support for this feature, > > there is a filter API that can be used for this purpose. > > I will do that and post it here (or in the next version) once i am done. > A patch for this is now on netfilter-devel at [1]. [1]: https://marc.info/?l=netfilter-devel&m=170176886315385&w=2 Thanks

1 year, 1 month

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Re: [PATCH v3 3/3] selftests/seccomp: Test seccomp filter load and attach

by kernel test robot

Hello, kernel test robot noticed "kernel-selftests.seccomp.seccomp_bpf.fail" on: commit: 95084d9b2b5f0b593724819288f3cb4e2c585cb0 ("[PATCH v3 3/3] selftests/seccomp: Test seccomp filter load and attach") url: https://github.com/intel-lab-lkp/linux/commits/Hengqi-Chen/seccomp-Introduc… base: https://git.kernel.org/cgit/linux/kernel/git/kees/linux.git for-next/seccomp patch link: https://lore.kernel.org/all/20231129053440.41522-4-hengqi.chen@gmail.com/ patch subject: [PATCH v3 3/3] selftests/seccomp: Test seccomp filter load and attach in testcase: kernel-selftests version: kernel-selftests-x86_64-60acb023-1_20230329 with following parameters: group: group-s compiler: gcc-12 test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang(a)intel.com> | Closes: https://lore.kernel.org/oe-lkp/202312051652.ecd5fbc7-oliver.sang@intel.com we noticed one test added in this commit can pass, but another will fail. # # RUN global.seccomp_filter_load_and_attach ... # # OK global.seccomp_filter_load_and_attach # ok 56 global.seccomp_filter_load_and_attach # # RUN global.seccomp_attach_fd_failed ... # # seccomp_bpf.c:4792:seccomp_attach_fd_failed:Expected errno (22) == EFAULT (14) # # seccomp_attach_fd_failed: Test terminated by assertion # # FAIL global.seccomp_attach_fd_failed # not ok 57 global.seccomp_attach_fd_failed ... # # FAILED: 97 / 98 tests passed. # # Totals: pass:97 fail:1 xfail:0 xpass:0 skip:0 error:0 not ok 1 selftests: seccomp: seccomp_bpf # exit=1 we applied the patch set upon 31c65705a8cfa like below: 95084d9b2b5f0 (linux-review/Hengqi-Chen/seccomp-Introduce-SECCOMP_LOAD_FILTER-operation/20231129-134337) selftests/seccomp: Test seccomp filter load and attach 8fcda1c36e519 seccomp: Introduce new flag SECCOMP_FILTER_FLAG_FILTER_FD bd86f21cfe1e0 seccomp: Introduce SECCOMP_LOAD_FILTER operation 31c65705a8cfa (kees/for-next/seccomp, kees/for-linus/seccomp) perf/benchmark: fix seccomp_unotify benchmark for 32-bit ce9ecca0238b1 (tag: v6.6-rc2, hyperv/hyperv-next) Linux 6.6-rc2 not sure if this is the correct base, or is there any other dependency to run new test seccomp_attach_fd_failed? The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20231205/202312051652.ecd5fbc7-oliv… -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

1 year, 1 month

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[PATCH v3 0/9] RISCV: Add kvm Sstc timer selftests

by Haibo Xu

The RISC-V arch_timer selftests is used to validate Sstc timer functionality in a guest, which sets up periodic timer interrupts and check the basic interrupt status upon its receipt. This KVM selftests was ported from aarch64 arch_timer and tested with Linux v6.6-rc1 on a Qemu riscv64 virt machine. --- Changed since v2: * Rebase to Linux 6.6-rc1 * Add separate patch for kvm/Makefile improvement * Move aarch64 specific macros to aarch64/arch_timer.c * Add -DCONFIG_64BIT to kvm/Makefile CFLAGS to ensure only 64bit registers were available in csr.h * Avoid some #ifdef in kvm/arch_timer.c by setting some aarch64 specific variable to 0 on risc-v Haibo Xu (9): KVM: selftests: Unify the codes for guest exception handling KVM: selftests: Unify the makefile rule for split targets KVM: arm64: selftests: Split arch_timer test code tools: riscv: Add header file csr.h KVM: riscv: selftests: Switch to use macro from csr.h KVM: riscv: selftests: Add exception handling support KVM: riscv: selftests: Add guest helper to get vcpu id KVM: riscv: selftests: Change vcpu_has_ext to a common function KVM: riscv: selftests: Add sstc timer test tools/arch/riscv/include/asm/csr.h | 521 ++++++++++++++++++ tools/testing/selftests/kvm/Makefile | 14 +- .../selftests/kvm/aarch64/arch_timer.c | 291 +--------- .../selftests/kvm/aarch64/debug-exceptions.c | 4 +- .../selftests/kvm/aarch64/page_fault_test.c | 4 +- .../testing/selftests/kvm/aarch64/vgic_irq.c | 4 +- tools/testing/selftests/kvm/arch_timer.c | 250 +++++++++ .../selftests/kvm/include/aarch64/processor.h | 12 +- .../selftests/kvm/include/kvm_util_base.h | 9 + .../selftests/kvm/include/riscv/arch_timer.h | 80 +++ .../selftests/kvm/include/riscv/processor.h | 63 ++- .../testing/selftests/kvm/include/test_util.h | 2 + .../selftests/kvm/include/timer_test.h | 43 ++ .../selftests/kvm/include/x86_64/processor.h | 5 - .../selftests/kvm/lib/aarch64/processor.c | 6 +- .../selftests/kvm/lib/riscv/handlers.S | 101 ++++ .../selftests/kvm/lib/riscv/processor.c | 86 +++ .../selftests/kvm/lib/x86_64/processor.c | 4 +- .../testing/selftests/kvm/riscv/arch_timer.c | 107 ++++ .../selftests/kvm/riscv/get-reg-list.c | 16 +- tools/testing/selftests/kvm/x86_64/amx_test.c | 4 +- .../selftests/kvm/x86_64/fix_hypercall_test.c | 4 +- .../selftests/kvm/x86_64/hyperv_evmcs.c | 4 +- .../selftests/kvm/x86_64/hyperv_features.c | 8 +- .../testing/selftests/kvm/x86_64/hyperv_ipi.c | 6 +- .../selftests/kvm/x86_64/kvm_pv_test.c | 4 +- .../selftests/kvm/x86_64/monitor_mwait_test.c | 4 +- .../kvm/x86_64/pmu_event_filter_test.c | 8 +- .../smaller_maxphyaddr_emulation_test.c | 4 +- .../selftests/kvm/x86_64/svm_int_ctl_test.c | 4 +- .../kvm/x86_64/svm_nested_shutdown_test.c | 4 +- .../kvm/x86_64/svm_nested_soft_inject_test.c | 4 +- .../kvm/x86_64/ucna_injection_test.c | 8 +- .../kvm/x86_64/userspace_msr_exit_test.c | 4 +- .../vmx_exception_with_invalid_guest_state.c | 4 +- .../selftests/kvm/x86_64/vmx_pmu_caps_test.c | 4 +- .../selftests/kvm/x86_64/xapic_ipi_test.c | 4 +- .../selftests/kvm/x86_64/xcr0_cpuid_test.c | 4 +- .../selftests/kvm/x86_64/xen_shinfo_test.c | 4 +- 39 files changed, 1338 insertions(+), 374 deletions(-) create mode 100644 tools/arch/riscv/include/asm/csr.h create mode 100644 tools/testing/selftests/kvm/arch_timer.c create mode 100644 tools/testing/selftests/kvm/include/riscv/arch_timer.h create mode 100644 tools/testing/selftests/kvm/include/timer_test.h create mode 100644 tools/testing/selftests/kvm/lib/riscv/handlers.S create mode 100644 tools/testing/selftests/kvm/riscv/arch_timer.c -- 2.34.1

1 year, 1 month

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[PATCH 0/3] sysctl: Fix out of bounds access for empty syscl ctl_tables

by Joel Granados via B4 Relay

Fix an out of bounds access reported in https://lore.kernel.org/oe-lkp/202311201431.57aae8f3-oliver.sang@intel.com Make sure that the ctl_table header size is greater than 0 before evaluating if a ctl_table is permanently empty; this evaluation accesses the first element regardless of the size. Adjusted the ctl_table_size of Permanently empty ctl_table registers to 1 as they the check now requires them to have size greater than 0. Added tests for empty directory handling; in response to the path followed by empty ctl_tables changing slightly. Clarified the results of sysctl self tests to more easily identify which ones are OK, Skipped and Failed. Comments are greatly appreciated Best Signed-off-by: Joel Granados <j.granados(a)samsung.com> --- Joel Granados (3): sysctl: Fix out of bounds access for empty sysctl registers sysctl: Add a selftest for handling empty dirs sysclt: Clarify the results of selftest run fs/proc/proc_sysctl.c | 9 +- lib/test_sysctl.c | 29 ++++++ tools/testing/selftests/sysctl/sysctl.sh | 146 ++++++++++++++++++------------- 3 files changed, 121 insertions(+), 63 deletions(-) --- base-commit: 8b793bcda61f6c3ed4f5b2ded7530ef6749580cb change-id: 20231121-jag-fix_out_of_bounds_insert-86380d1bc95e Best regards, -- Joel Granados <j.granados(a)samsung.com>

1 year, 1 month

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[PATCH bpf-next v4 00/10] Add bpf_xdp_get_xfrm_state() kfunc

by Daniel Xu

This patchset adds two kfunc helpers, bpf_xdp_get_xfrm_state() and bpf_xdp_xfrm_state_release() that wrap xfrm_state_lookup() and xfrm_state_put(). The intent is to support software RSS (via XDP) for the ongoing/upcoming ipsec pcpu work [0]. Recent experiments performed on (hopefully) reproducible AWS testbeds indicate that single tunnel pcpu ipsec can reach line rate on 100G ENA nics. Note this patchset only tests/shows generic xfrm_state access. The "secret sauce" (if you can really even call it that) involves accessing a soon-to-be-upstreamed pcpu_num field in xfrm_state. Early example is available here [1]. [0]: https://datatracker.ietf.org/doc/draft-ietf-ipsecme-multi-sa-performance/03/ [1]: https://github.com/danobi/xdp-tools/blob/e89a1c617aba3b50d990f779357d6ce286… Changes from v3: * Place all xfrm bpf integrations in xfrm_bpf.c * Avoid using nval as a temporary * Rebase to bpf-next * Remove extraneous __failure_unpriv annotation for verifier tests Changes from v2: * Fix/simplify BPF_CORE_WRITE_BITFIELD() algorithm * Added verifier tests for bitfield writes * Fix state leakage across test_tunnel subtests Changes from v1: * Move xfrm tunnel tests to test_progs * Fix writing to opts->error when opts is invalid * Use __bpf_kfunc_start_defs() * Remove unused vxlanhdr definition * Add and use BPF_CORE_WRITE_BITFIELD() macro * Make series bisect clean Changes from RFCv2: * Rebased to ipsec-next * Fix netns leak Changes from RFCv1: * Add Antony's commit tags * Add KF_ACQUIRE and KF_RELEASE semantics Daniel Xu (10): xfrm: bpf: Move xfrm_interface_bpf.c to xfrm_bpf.c bpf: xfrm: Add bpf_xdp_get_xfrm_state() kfunc bpf: xfrm: Add bpf_xdp_xfrm_state_release() kfunc libbpf: Add BPF_CORE_WRITE_BITFIELD() macro bpf: selftests: test_loader: Support __btf_path() annotation libbpf: selftests: Add verifier tests for CO-RE bitfield writes bpf: selftests: test_tunnel: Setup fresh topology for each subtest bpf: selftests: test_tunnel: Use vmlinux.h declarations bpf: selftests: Move xfrm tunnel test to test_progs bpf: xfrm: Add selftest for bpf_xdp_get_xfrm_state() include/net/xfrm.h | 9 + net/xfrm/Makefile | 7 +- net/xfrm/xfrm_bpf.c | 232 ++++++++++++++++++ net/xfrm/xfrm_interface_bpf.c | 110 --------- net/xfrm/xfrm_policy.c | 2 + tools/lib/bpf/bpf_core_read.h | 32 +++ .../selftests/bpf/prog_tests/test_tunnel.c | 162 +++++++++++- .../selftests/bpf/prog_tests/verifier.c | 2 + tools/testing/selftests/bpf/progs/bpf_misc.h | 1 + .../selftests/bpf/progs/bpf_tracing_net.h | 1 + .../selftests/bpf/progs/test_tunnel_kern.c | 138 ++++++----- .../bpf/progs/verifier_bitfield_write.c | 100 ++++++++ tools/testing/selftests/bpf/test_loader.c | 7 + tools/testing/selftests/bpf/test_tunnel.sh | 92 ------- 14 files changed, 624 insertions(+), 271 deletions(-) create mode 100644 net/xfrm/xfrm_bpf.c delete mode 100644 net/xfrm/xfrm_interface_bpf.c create mode 100644 tools/testing/selftests/bpf/progs/verifier_bitfield_write.c -- 2.42.1

1 year, 1 month

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[PATCH AUTOSEL 6.6 03/32] kunit: Reset suite counter right before running tests

by Sasha Levin

From: Michal Wajdeczko <michal.wajdeczko(a)intel.com> [ Upstream commit 2e3c94aed51eabbe9c1c0ee515371ea5441c2fa7 ] Today we reset the suite counter as part of the suite cleanup, called from the module exit callback, but it might not work that well as one can try to collect results without unloading a previous test (either unintentionally or due to dependencies). For easy reproduction try to load the kunit-test.ko and then collect and parse results from the kunit-example-test.ko load. Parser will complain about mismatch of expected test number: [ ] KTAP version 1 [ ] 1..1 [ ] # example: initializing suite [ ] KTAP version 1 [ ] # Subtest: example .. [ ] # example: pass:5 fail:0 skip:4 total:9 [ ] # Totals: pass:6 fail:0 skip:6 total:12 [ ] ok 7 example [ ] [ERROR] Test: example: Expected test number 1 but found 7 [ ] ===================== [PASSED] example ===================== [ ] ============================================================ [ ] Testing complete. Ran 12 tests: passed: 6, skipped: 6, errors: 1 Since we are now printing suite test plan on every module load, right before running suite tests, we should make sure that suite counter will also start from 1. Easiest solution seems to be move counter reset to the __kunit_test_suites_init() function. Signed-off-by: Michal Wajdeczko <michal.wajdeczko(a)intel.com> Cc: David Gow <davidgow(a)google.com> Cc: Rae Moar <rmoar(a)google.com> Reviewed-by: David Gow <davidgow(a)google.com> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- lib/kunit/test.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/kunit/test.c b/lib/kunit/test.c index e451cfe6143ec..7452d1a2acd98 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -740,6 +740,8 @@ int __kunit_test_suites_init(struct kunit_suite * const * const suites, int num_ return 0; } + kunit_suite_counter = 1; + static_branch_inc(&kunit_running); for (i = 0; i < num_suites; i++) { @@ -766,8 +768,6 @@ void __kunit_test_suites_exit(struct kunit_suite **suites, int num_suites) for (i = 0; i < num_suites; i++) kunit_exit_suite(suites[i]); - - kunit_suite_counter = 1; } EXPORT_SYMBOL_GPL(__kunit_test_suites_exit); -- 2.42.0

1 year, 1 month

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[PATCH AUTOSEL 6.6 02/32] kunit: Warn if tests are slow

by Sasha Levin

From: Maxime Ripard <mripard(a)kernel.org> [ Upstream commit f8f2847f739dc899d0e563eac01299dadefa64ff ] Kunit recently gained support to setup attributes, the first one being the speed of a given test, then allowing to filter out slow tests. A slow test is defined in the documentation as taking more than one second. There's an another speed attribute called "super slow" but whose definition is less clear. Add support to the test runner to check the test execution time, and report tests that should be marked as slow but aren't. Signed-off-by: Maxime Ripard <mripard(a)kernel.org> Reviewed-by: David Gow <davidgow(a)google.com> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- lib/kunit/test.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/lib/kunit/test.c b/lib/kunit/test.c index 421f139814123..e451cfe6143ec 100644 --- a/lib/kunit/test.c +++ b/lib/kunit/test.c @@ -372,6 +372,36 @@ void kunit_init_test(struct kunit *test, const char *name, char *log) } EXPORT_SYMBOL_GPL(kunit_init_test); +/* Only warn when a test takes more than twice the threshold */ +#define KUNIT_SPEED_WARNING_MULTIPLIER 2 + +/* Slow tests are defined as taking more than 1s */ +#define KUNIT_SPEED_SLOW_THRESHOLD_S 1 + +#define KUNIT_SPEED_SLOW_WARNING_THRESHOLD_S \ + (KUNIT_SPEED_WARNING_MULTIPLIER * KUNIT_SPEED_SLOW_THRESHOLD_S) + +#define s_to_timespec64(s) ns_to_timespec64((s) * NSEC_PER_SEC) + +static void kunit_run_case_check_speed(struct kunit *test, + struct kunit_case *test_case, + struct timespec64 duration) +{ + struct timespec64 slow_thr = + s_to_timespec64(KUNIT_SPEED_SLOW_WARNING_THRESHOLD_S); + enum kunit_speed speed = test_case->attr.speed; + + if (timespec64_compare(&duration, &slow_thr) < 0) + return; + + if (speed == KUNIT_SPEED_VERY_SLOW || speed == KUNIT_SPEED_SLOW) + return; + + kunit_warn(test, + "Test should be marked slow (runtime: %lld.%09lds)", + duration.tv_sec, duration.tv_nsec); +} + /* * Initializes and runs test case. Does not clean up or do post validations. */ @@ -379,6 +409,8 @@ static void kunit_run_case_internal(struct kunit *test, struct kunit_suite *suite, struct kunit_case *test_case) { + struct timespec64 start, end; + if (suite->init) { int ret; @@ -390,7 +422,13 @@ static void kunit_run_case_internal(struct kunit *test, } } + ktime_get_ts64(&start); + test_case->run_case(test); + + ktime_get_ts64(&end); + + kunit_run_case_check_speed(test, test_case, timespec64_sub(end, start)); } static void kunit_case_internal_cleanup(struct kunit *test) -- 2.42.0

1 year, 1 month

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[PATCH] Fixed an open function not judging the return value and closed the open function

by liujing

Signed-off-by: liujing <liujing(a)cmss.chinamobile.com> --- tools/testing/selftests/proc/proc-pid-vm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tools/testing/selftests/proc/proc-pid-vm.c b/tools/testing/selftests/proc/proc-pid-vm.c index cacbd2a4aec9..5fc9b46f236f 100644 --- a/tools/testing/selftests/proc/proc-pid-vm.c +++ b/tools/testing/selftests/proc/proc-pid-vm.c @@ -205,7 +205,12 @@ static int make_exe(const uint8_t *payload, size_t len) /* Avoid ETXTBSY on exec. */ snprintf(buf, sizeof(buf), "/proc/self/fd/%u", fd); fd1 = open(buf, O_RDONLY|O_CLOEXEC); + if (fd == -1) { + exit(1); + } + close(fd); + close(fd1); return fd1; } -- 2.18.2

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