[问题描述] 内部的物理机anolis23 x86环境下，内核为6.6.25-2.2_rc1.an23.x86_64系统上，运行kernel-selftests测试kernel-selftests测试 ftrace.ftracetest-ktap用例fail [实际结果] [root@5f9Lab15 ftrace]# ./ftracetest-ktap TAP version 13 1..130 ok 1 Basic trace file check ok 2 Basic test for tracers ok 3 Basic trace clock test ok 4 Basic event tracing check ok 5 Change the ringbuffer size ok 6 Snapshot and tracing_cpumask ok 7 Snapshot and tracing setting ok 8 trace_pipe and trace_marker not ok 9 Test ftrace direct functions against tracers # UNRESOLVED not ok 10 Test ftrace direct functions against kprobes # UNRESOLVED not ok 11 Generic dynamic event - add/remove probes with BTF arguments ok 12 Generic dynamic event - add/remove eprobe events ok 13 Generic dynamic event - add/remove fprobe events # SKIP ok 14 Generic dynamic event - add/remove kprobe events ok 15 Generic dynamic event - add/remove synthetic events ok 16 Generic dynamic event - add/remove tracepoint probe events # SKIP ok 17 Generic dynamic event - selective clear (compatibility) ok 18 Event probe event parser error log check ok 19 Fprobe event parser error log check # SKIP ok 20 Generic dynamic event - generic clear event ok 21 Generic dynamic event - check if duplicate events are caught ok 22 Tracepoint probe event parser error log check # SKIP ok 23 event tracing - enable/disable with event level files ok 24 event tracing - restricts events based on pid notrace filtering ok 25 event tracing - restricts events based on pid ok 26 event tracing - enable/disable with subsystem level files ok 27 event tracing - enable/disable with top level files not ok 28 Test trace_printk from module # UNRESOLVED ok 29 event filter function - test event filtering on functions ok 30 ftrace - function graph filters with stack tracer ok 31 ftrace - function graph filters ok 32 ftrace - function graph print function return value # SKIP ok 33 ftrace - function trace with cpumask ok 34 ftrace - test for function event triggers ok 35 ftrace - function glob filters ok 36 ftrace - function pid notrace filters ok 37 ftrace - function pid filters ok 38 ftrace - stacktrace filter command not ok 39 ftrace - function trace on module # UNRESOLVED ok 40 ftrace - function profiler with function tracing ok 41 ftrace - function profiling ok 42 ftrace - test reading of set_ftrace_filter ok 43 ftrace - Max stack tracer ok 44 ftrace - test for function traceon/off triggers ok 45 ftrace - test tracing error log support ok 46 Test creation and deletion of trace instances while setting an event ok 47 Test creation and deletion of trace instances ok 48 Kprobe dynamic event - adding and removing ok 49 Kprobe dynamic event - busy event check not ok 50 Kprobe event char type argument ok 51 Kprobe event with comm arguments not ok 52 Kprobe event string type argument ok 53 Kprobe event symbol argument ok 54 Kprobe event argument syntax ok 55 Kprobe dynamic event with arguments ok 56 Kprobes event arguments with types ok 57 Kprobe event user-memory access ok 58 Kprobe event auto/manual naming ok 59 Kprobe dynamic event with function tracer ok 60 Register multiple kprobe events in a function not ok 61 Kprobe dynamic event - probing module # UNRESOLVED ok 62 Create/delete multiprobe on kprobe event ok 63 Test failure of registering kprobe on non unique symbol ok 64 Register/unregister optimized probe ok 65 Kprobe event parser error log check ok 66 Kretprobe dynamic event with arguments ok 67 Kretprobe dynamic event with maxactive ok 68 Kretprobe %%return suffix test ok 69 Register/unregister many kprobe events ok 70 Kprobe events - probe points ok 71 Kprobe profile ok 72 Uprobe event parser error log check ok 73 test for the preemptirqsoff tracer # SKIP not ok 74 Meta-selftest: Checkbashisms # UNRESOLVED ok 75 Test wakeup RT tracer ok 76 Test wakeup tracer ok 77 event trigger - test inter-event histogram trigger expected fail actions # XFAIL ok 78 event trigger - test field variable support ok 79 event trigger - test inter-event combined histogram trigger ok 80 event trigger - test multiple actions on hist trigger ok 81 event trigger - test inter-event histogram trigger onchange action ok 82 event trigger - test inter-event histogram trigger onmatch action ok 83 event trigger - test inter-event histogram trigger onmatch-onmax action ok 84 event trigger - test inter-event histogram trigger onmax action ok 85 event trigger - test inter-event histogram trigger snapshot action ok 86 event trigger - test inter-event histogram trigger eprobe on synthetic event ok 87 event trigger - test synthetic event create remove ok 88 event trigger - test inter-event histogram trigger trace action with dynamic string param ok 89 event trigger - test inter-event histogram trigger trace action with dynamic string param (legacy stack) ok 90 event trigger - test inter-event histogram trigger trace action with dynamic string param ok 91 event trigger - test synthetic_events syntax parser errors ok 92 event trigger - test synthetic_events syntax parser ok 93 event trigger - test inter-event histogram trigger trace action ok 94 event trigger - test event enable/disable trigger ok 95 event trigger - test trigger filter ok 96 event trigger - test histogram expression parsing ok 97 event trigger - test histogram modifiers ok 98 event trigger - test histogram parser errors ok 99 event trigger - test histogram trigger ok 100 event trigger - test multiple histogram triggers ok 101 event trigger - test snapshot-trigger ok 102 event trigger - test stacktrace-trigger ok 103 trace_marker trigger - test histogram trigger ok 104 trace_marker trigger - test snapshot trigger ok 105 trace_marker trigger - test histogram with synthetic event against kernel event ok 106 trace_marker trigger - test histogram with synthetic event ok 107 event trigger - test traceon/off trigger ok 108 (instance) Basic test for tracers ok 109 (instance) Basic trace clock test ok 110 (instance) Change the ringbuffer size ok 111 (instance) Snapshot and tracing_cpumask ok 112 (instance) Snapshot and tracing setting ok 113 (instance) trace_pipe and trace_marker ok 114 (instance) event tracing - enable/disable with event level files ok 115 (instance) event tracing - restricts events based on pid notrace filtering ok 116 (instance) event tracing - restricts events based on pid ok 117 (instance) event tracing - enable/disable with subsystem level files ok 118 (instance) event filter function - test event filtering on functions ok 119 (instance) ftrace - test for function event triggers ok 120 (instance) ftrace - function pid notrace filters ok 121 (instance) ftrace - function pid filters ok 122 (instance) ftrace - stacktrace filter command ok 123 (instance) ftrace - test for function traceon/off triggers ok 124 (instance) event trigger - test event enable/disable trigger ok 125 (instance) event trigger - test trigger filter ok 126 (instance) event trigger - test histogram modifiers ok 127 (instance) event trigger - test histogram trigger ok 128 (instance) event trigger - test multiple histogram triggers ok 129 (instance) trace_marker trigger - test histogram trigger ok 130 (instance) trace_marker trigger - test snapshot trigger # Totals: pass:114 faii:3 xfail:1 xpass:0 skip:6 error:6 [root@5f9Lab15 ftrace]# [期望结果] case pass [复现步骤] 1. wget https://build.openanolis.cn/kojifiles/output/nightly/anolis-23-20241101.5/compose/os/source/tree/Packages/kernel-6.6.25-2.2_rc1.an23.src.rpm 2. rpm -i kernel-6.6.25-2.2_rc1.an23.src.rpm yum-builddep -y /root/rpmbuild/SPECS/kernel.spec rpmbuild -bp /root/rpmbuild/SPECS/kernel.spec cd /root/rpmbuild/BUILD/kernel-*xxx/linux-* make -C tools/testing/selftests/ cd ftrace;make ./ftracetest-ktap [环境信息] [root@5f9Lab15 resctrl]# uname -a Linux 5f9Lab15 6.6.25-2.2_rc1.an23.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Oct 31 21:26:10 CST 2024 x86_64 x86_64 x86_64 GNU/Linux [root@5f9Lab15 resctrl]# [root@5f9Lab15 resctrl]# cat /proc/cmdline BOOT_IMAGE=(hd1,gpt2)/vmlinuz-6.6.25-2.2_rc1.an23.x86_64 root=UUID=dca78281-9421-4a9b-9bb5-c4ec9804a355 ro resume=UUID=85dbb4f6-3cdd-4b68-b32e-ddfef04aaf1a rhgb quiet selinux=0 cgroup.memory=nokmem crashkernel=0M-2G:0M,2G-8G:192M,8G-:256M [root@5f9Lab15 resctrl]# [root@5f9Lab15 resctrl]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda4 444G 18G 426G 5% / devtmpfs 4.0M 600K 3.5M 15% /dev tmpfs 126G 0 126G 0% /dev/shm efivarfs 268K 164K 100K 63% /sys/firmware/efi/efivars tmpfs 51G 2.5M 51G 1% /run tmpfs 126G 56M 126G 1% /tmp /dev/sda2 960M 234M 727M 25% /boot /dev/sda1 200M 6.2M 194M 4% /boot/efi tmpfs 26G 48K 26G 1% /run/user/0 [root@5f9Lab15 resctrl]# [root@5f9Lab15 resctrl]# free -g total used free shared buff/cache available Mem: 251 3 249 0 0 248 Swap: 1 0 1 [root@5f9Lab15 resctrl]# [root@5f9Lab15 resctrl]# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 46 bits physical, 57 bits virtual Byte Order: Little Endian CPU(s): 48 On-line CPU(s) list: 0-47 Vendor ID: GenuineIntel BIOS Vendor ID: Intel(R) Corporation Model name: Intel(R) Xeon(R) Silver 4310 CPU @ 2.10GHz BIOS Model name: Intel(R) Xeon(R) Silver 4310 CPU @ 2.10GHz CPU @ 2.1GHz BIOS CPU family: 179 CPU family: 6 Model: 106 Thread(s) per core: 2 Core(s) per socket: 12 Socket(s): 2 Stepping: 6 CPU(s) scaling MHz: 27% CPU max MHz: 3300.0000 CPU min MHz: 800.0000 BogoMIPS: 4200.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonsto p_tsc cpuid aperfmperf pni pclmulqdq dtes64 ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse 4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_f ault epb cat_l3 ssbd mba ibrs ibpb stibp ibrs_enhanced tpr_shadow flexpriority ept vpid ept_ad fsgsbase tsc_a djust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflusho pt clwb intel_pt avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_m bm_total cqm_mbm_local split_lock_detect wbnoinvd dtherm ida arat pln pts vnmi avx512vbmi umip pku ospke avx5 12_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg tme avx512_vpopcntdq rdpid fsrm md_clear pconfig flus h_l1d arch_capabilities Virtualization features: Virtualization: VT-x Caches (sum of all): L1d: 1.1 MiB (24 instances) L1i: 768 KiB (24 instances) L2: 30 MiB (24 instances) L3: 36 MiB (2 instances) NUMA: NUMA node(s): 2 NUMA node0 CPU(s): 0-11,24-35 NUMA node1 CPU(s): 12-23,36-47 Vulnerabilities: Gather data sampling: Mitigation; Microcode Itlb multihit: Not affected L1tf: Not affected Mds: Not affected Meltdown: Not affected Mmio stale data: Mitigation; Clear CPU buffers; SMT vulnerable Reg file data sampling: Not affected Retbleed: Not affected Spec rstack overflow: Not affected Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Spectre v2: Mitigation; Enhanced / Automatic IBRS, IBPB conditional, RSB filling, PBRSB-eIBRS SW sequence Srbds: Not affected Tsx async abort: Not affected
与11302是同一个问题，需回合PR https://gitee.com/anolis/cloud-kernel/pulls/3974
非 6.6.25-2.2 版本新增问题，暂不修复。
6.6.88-cbp.git.5ad4b5ac3.an23.x86_64内核，ftrace/ftracetest-ktap用例继续报错 # ./ftracetest-ktap TAP version 13 1..130 ok 1 Basic trace file check ok 2 Basic test for tracers ok 3 Basic trace clock test ok 4 Basic event tracing check ok 5 Change the ringbuffer size ok 6 Snapshot and tracing_cpumask ok 7 Snapshot and tracing setting ok 8 trace_pipe and trace_marker not ok 9 Test ftrace direct functions against tracers # UNRESOLVED not ok 10 Test ftrace direct functions against kprobes # UNRESOLVED ok 11 Generic dynamic event - add/remove probes with BTF arguments ok 12 Generic dynamic event - add/remove eprobe events ok 13 Generic dynamic event - add/remove fprobe events # SKIP ok 14 Generic dynamic event - add/remove kprobe events ok 15 Generic dynamic event - add/remove synthetic events ok 16 Generic dynamic event - add/remove tracepoint probe events # SKIP ok 17 Generic dynamic event - selective clear (compatibility) ok 18 Event probe event parser error log check ok 19 Fprobe event parser error log check # SKIP ok 20 Generic dynamic event - generic clear event ok 21 Generic dynamic event - check if duplicate events are caught ok 22 Tracepoint probe event parser error log check # SKIP ok 23 event tracing - enable/disable with event level files ok 24 event tracing - restricts events based on pid notrace filtering ok 25 event tracing - restricts events based on pid ok 26 event tracing - enable/disable with subsystem level files ok 27 event tracing - enable/disable with top level files not ok 28 Test trace_printk from module # UNRESOLVED ok 29 event filter function - test event filtering on functions ok 30 ftrace - function graph filters with stack tracer ok 31 ftrace - function graph filters ok 32 ftrace - function graph print function return value ok 33 ftrace - function trace with cpumask ok 34 ftrace - test for function event triggers ok 35 ftrace - function glob filters ok 36 ftrace - function pid notrace filters ok 37 ftrace - function pid filters ok 38 ftrace - stacktrace filter command not ok 39 ftrace - function trace on module # UNRESOLVED ok 40 ftrace - function profiler with function tracing ok 41 ftrace - function profiling ok 42 ftrace - test reading of set_ftrace_filter ok 43 ftrace - Max stack tracer ok 44 ftrace - test for function traceon/off triggers ok 45 ftrace - test tracing error log support ok 46 Test creation and deletion of trace instances while setting an event ok 47 Test creation and deletion of trace instances ok 48 Kprobe dynamic event - adding and removing ok 49 Kprobe dynamic event - busy event check ok 50 Kprobe event char type argument ok 51 Kprobe event with comm arguments ok 52 Kprobe event string type argument ok 53 Kprobe event symbol argument ok 54 Kprobe event argument syntax ok 55 Kprobe dynamic event with arguments ok 56 Kprobes event arguments with types ok 57 Kprobe event user-memory access ok 58 Kprobe event auto/manual naming ok 59 Kprobe dynamic event with function tracer ok 60 Register multiple kprobe events in a function not ok 61 Kprobe dynamic event - probing module # UNRESOLVED ok 62 Create/delete multiprobe on kprobe event ok 63 Test failure of registering kprobe on non unique symbol ok 64 Register/unregister optimized probe ok 65 Kprobe event parser error log check ok 66 Kretprobe dynamic event with arguments ok 67 Kretprobe dynamic event with maxactive ok 68 Kretprobe %%return suffix test ok 69 Register/unregister many kprobe events ok 70 Kprobe events - probe points ok 71 Kprobe profile ok 72 Uprobe event parser error log check ok 73 test for the preemptirqsoff tracer # SKIP not ok 74 Meta-selftest: Checkbashisms # UNRESOLVED ok 75 Test wakeup RT tracer ok 76 Test wakeup tracer ok 77 event trigger - test inter-event histogram trigger expected fail actions # XFAIL ok 78 event trigger - test field variable support ok 79 event trigger - test inter-event combined histogram trigger ok 80 event trigger - test multiple actions on hist trigger ok 81 event trigger - test inter-event histogram trigger onchange action ok 82 event trigger - test inter-event histogram trigger onmatch action ok 83 event trigger - test inter-event histogram trigger onmatch-onmax action ok 84 event trigger - test inter-event histogram trigger onmax action ok 85 event trigger - test inter-event histogram trigger snapshot action ok 86 event trigger - test inter-event histogram trigger eprobe on synthetic event ok 87 event trigger - test synthetic event create remove ok 88 event trigger - test inter-event histogram trigger trace action with dynamic string param ok 89 event trigger - test inter-event histogram trigger trace action with dynamic string param (legacy stack) ok 90 event trigger - test inter-event histogram trigger trace action with dynamic string param ok 91 event trigger - test synthetic_events syntax parser errors ok 92 event trigger - test synthetic_events syntax parser ok 93 event trigger - test inter-event histogram trigger trace action ok 94 event trigger - test event enable/disable trigger ok 95 event trigger - test trigger filter ok 96 event trigger - test histogram expression parsing ok 97 event trigger - test histogram modifiers ok 98 event trigger - test histogram parser errors ok 99 event trigger - test histogram trigger ok 100 event trigger - test multiple histogram triggers ok 101 event trigger - test snapshot-trigger ok 102 event trigger - test stacktrace-trigger ok 103 trace_marker trigger - test histogram trigger ok 104 trace_marker trigger - test snapshot trigger ok 105 trace_marker trigger - test histogram with synthetic event against kernel event ok 106 trace_marker trigger - test histogram with synthetic event ok 107 event trigger - test traceon/off trigger ok 108 (instance) Basic test for tracers ok 109 (instance) Basic trace clock test ok 110 (instance) Change the ringbuffer size ok 111 (instance) Snapshot and tracing_cpumask ok 112 (instance) Snapshot and tracing setting ok 113 (instance) trace_pipe and trace_marker ok 114 (instance) event tracing - enable/disable with event level files ok 115 (instance) event tracing - restricts events based on pid notrace filtering ok 116 (instance) event tracing - restricts events based on pid ok 117 (instance) event tracing - enable/disable with subsystem level files ok 118 (instance) event filter function - test event filtering on functions ok 119 (instance) ftrace - test for function event triggers ok 120 (instance) ftrace - function pid notrace filters ok 121 (instance) ftrace - function pid filters ok 122 (instance) ftrace - stacktrace filter command ok 123 (instance) ftrace - test for function traceon/off triggers ok 124 (instance) event trigger - test event enable/disable trigger ok 125 (instance) event trigger - test trigger filter ok 126 (instance) event trigger - test histogram modifiers ok 127 (instance) event trigger - test histogram trigger ok 128 (instance) event trigger - test multiple histogram triggers ok 129 (instance) trace_marker trigger - test histogram trigger ok 130 (instance) trace_marker trigger - test snapshot trigger # Totals: pass:118 faii:0 xfail:1 xpass:0 skip:5 error:6 # uname -r 6.6.88-cbp.git.5ad4b5ac3.an23.x86_64 # cat /etc/anolis-release Anolis OS release 23