perf test hybrid failing on 14700K

From: Arnaldo Carvalho de Melo
Date: Sat Dec 23 2023 - 08:56:03 EST

Hi Kan,

I noticed the following problem, are you able to reproduce it?

Happy solstice!

- Arnaldo

root@number:/home/acme/Downloads# grep "model name" -m1 /proc/cpuinfo
model name : Intel(R) Core(TM) i7-14700K
root@number:/home/acme/Downloads# uname -a
Linux number 6.6.4-200.fc39.x86_64 #1 SMP PREEMPT_DYNAMIC Sun Dec 3 18:13:11 UTC 2023 x86_64 GNU/Linux
root@number:/home/acme/Downloads# perf -vv
perf version 6.7.rc6.g63daba4e2861
dwarf: [ on ] # HAVE_DWARF_SUPPORT
dwarf_getlocations: [ on ] # HAVE_DWARF_GETLOCATIONS_SUPPORT
syscall_table: [ on ] # HAVE_SYSCALL_TABLE_SUPPORT
libbfd: [ OFF ] # HAVE_LIBBFD_SUPPORT
debuginfod: [ on ] # HAVE_DEBUGINFOD_SUPPORT
libelf: [ on ] # HAVE_LIBELF_SUPPORT
libnuma: [ on ] # HAVE_LIBNUMA_SUPPORT
numa_num_possible_cpus: [ on ] # HAVE_LIBNUMA_SUPPORT
libperl: [ on ] # HAVE_LIBPERL_SUPPORT
libpython: [ on ] # HAVE_LIBPYTHON_SUPPORT
libslang: [ on ] # HAVE_SLANG_SUPPORT
libcrypto: [ on ] # HAVE_LIBCRYPTO_SUPPORT
libunwind: [ on ] # HAVE_LIBUNWIND_SUPPORT
libdw-dwarf-unwind: [ on ] # HAVE_DWARF_SUPPORT
zlib: [ on ] # HAVE_ZLIB_SUPPORT
lzma: [ on ] # HAVE_LZMA_SUPPORT
get_cpuid: [ on ] # HAVE_AUXTRACE_SUPPORT
bpf: [ on ] # HAVE_LIBBPF_SUPPORT
aio: [ on ] # HAVE_AIO_SUPPORT
zstd: [ on ] # HAVE_ZSTD_SUPPORT
libpfm4: [ on ] # HAVE_LIBPFM
libtraceevent: [ on ] # HAVE_LIBTRACEEVENT
bpf_skeletons: [ on ] # HAVE_BPF_SKEL
root@number:/home/acme/Downloads# perf test 75
75: x86 hybrid : FAILED!
root@number:/home/acme/Downloads# perf test -v 75
75: x86 hybrid :
--- start ---
test child forked, pid 4111587
Using CPUID GenuineIntel-6-B7-1
running test 0 'cpu_core/cpu-cycles/'
FAILED arch/x86/tests/hybrid.c:30 wrong type
Event test failure: test 0 'cpu_core/cpu-cycles/'running test 1 '{cpu_core/cpu-cycles/,cpu_core/instructions/}'
FAILED arch/x86/tests/hybrid.c:42 wrong type
Event test failure: test 1 '{cpu_core/cpu-cycles/,cpu_core/instructions/}'running test 2 '{cpu-clock,cpu_core/cpu-cycles/}'
FAILED arch/x86/tests/hybrid.c:65 wrong type
Event test failure: test 2 '{cpu-clock,cpu_core/cpu-cycles/}'running test 3 '{cpu_core/cpu-cycles/,cpu-clock}'
FAILED arch/x86/tests/hybrid.c:78 wrong type
Event test failure: test 3 '{cpu_core/cpu-cycles/,cpu-clock}'running test 4 '{cpu_core/cpu-cycles/k,cpu_core/instructions/u}'
FAILED arch/x86/tests/hybrid.c:95 wrong type
Event test failure: test 4 '{cpu_core/cpu-cycles/k,cpu_core/instructions/u}'running test 5 'r1a'
running test 6 'cpu_core/r1a/'
running test 7 'cpu_core/config=10,config1,config2=3,period=1000/u'
WARNING: event 'N/A' not valid (bits 0-1 of config2 '3' not supported by kernel)!
running test 8 'cpu_core/LLC-loads/'
test child finished with -1
---- end ----
x86 hybrid: FAILED!
root@number:/home/acme/Downloads#

root@number:/home/acme/Downloads# perf trace -e perf_event_open perf test -F -v 75
75: x86 hybrid :
--- start ---
Using CPUID GenuineIntel-6-B7-1
running test 0 'cpu_core/cpu-cycles/'
FAILED arch/x86/tests/hybrid.c:30 wrong type
Event test failure: test 0 'cpu_core/cpu-cycles/'running test 1 '{cpu_core/cpu-cycles/,cpu_core/instructions/}'
FAILED arch/x86/tests/hybrid.c:42 wrong type
Event test failure: test 1 '{cpu_core/cpu-cycles/,cpu_core/instructions/}'running test 2 '{cpu-clock,cpu_core/cpu-cycles/}'
FAILED arch/x86/tests/hybrid.c:65 wrong type
Event test failure: test 2 '{cpu-clock,cpu_core/cpu-cycles/}'running test 3 '{cpu_core/cpu-cycles/,cpu-clock}'
FAILED arch/x86/tests/hybrid.c:78 wrong type
Event test failure: test 3 '{cpu_core/cpu-cycles/,cpu-clock}'running test 4 '{cpu_core/cpu-cycles/k,cpu_core/instructions/u}'
FAILED arch/x86/tests/hybrid.c:95 wrong type
Event test failure: test 4 '{cpu_core/cpu-cycles/k,cpu_core/instructions/u}'running test 5 'r1a'
running test 6 'cpu_core/r1a/'
running test 7 'cpu_core/config=10,config1,config2=3,period=1000/u'
WARNING: event 'N/A' not valid (bits 0-1 of config2 '3' not supported by kernel)!
running test 8 'cpu_core/LLC-loads/'
---- end ----
x86 hybrid: FAILED!
0.000 ( 0.008 ms): :4115165/4115165 perf_event_open(attr_uptr: { type: 0 (PERF_TYPE_HARDWARE), config: 0xa00000000, disabled: 1, { bp_len, config2 }: 0x900000000, branch_sample_type: USER|COUNTERS, sample_regs_user: 0x3ecaddffffffff, sample_stack_user: 4115165, clockid: 925535355, sample_regs_intr: 0x8140c90000a8f7, sample_max_stack: 8, sig_data: 120259084288 }, cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 3
0.010 ( 0.002 ms): :4115165/4115165 perf_event_open(attr_uptr: { type: 0 (PERF_TYPE_HARDWARE), config: 0x400000000, disabled: 1, { bp_len, config2 }: 0x900000000, branch_sample_type: USER|COUNTERS, sample_regs_user: 0x3ecaddffffffff, sample_stack_user: 4115165, clockid: 925538919, sample_regs_intr: 0x8140c90000a8f7, sample_max_stack: 8, sig_data: 120259084288 }, cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 4
root@number:/home/acme/Downloads# strace -e perf_event_open perf test -F -v 75
75: x86 hybrid :
--- start ---
Using CPUID GenuineIntel-6-B7-1
running test 0 'cpu_core/cpu-cycles/'
FAILED arch/x86/tests/hybrid.c:30 wrong type
Event test failure: test 0 'cpu_core/cpu-cycles/'running test 1 '{cpu_core/cpu-cycles/,cpu_core/instructions/}'
FAILED arch/x86/tests/hybrid.c:42 wrong type
Event test failure: test 1 '{cpu_core/cpu-cycles/,cpu_core/instructions/}'running test 2 '{cpu-clock,cpu_core/cpu-cycles/}'
FAILED arch/x86/tests/hybrid.c:65 wrong type
Event test failure: test 2 '{cpu-clock,cpu_core/cpu-cycles/}'running test 3 '{cpu_core/cpu-cycles/,cpu-clock}'
FAILED arch/x86/tests/hybrid.c:78 wrong type
Event test failure: test 3 '{cpu_core/cpu-cycles/,cpu-clock}'running test 4 '{cpu_core/cpu-cycles/k,cpu_core/instructions/u}'
FAILED arch/x86/tests/hybrid.c:95 wrong type
Event test failure: test 4 '{cpu_core/cpu-cycles/k,cpu_core/instructions/u}'running test 5 'r1a'
running test 6 'cpu_core/r1a/'
running test 7 'cpu_core/config=10,config1,config2=3,period=1000/u'
WARNING: event 'N/A' not valid (bits 0-1 of config2 '3' not supported by kernel)!
running test 8 'cpu_core/LLC-loads/'
perf_event_open({type=PERF_TYPE_HARDWARE, size=0 /* PERF_ATTR_SIZE_??? */, config=0xa<<32|PERF_COUNT_HW_CPU_CYCLES, sample_period=0, sample_type=0, read_format=0, disabled=1, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_CLOEXEC) = 3
perf_event_open({type=PERF_TYPE_HARDWARE, size=0 /* PERF_ATTR_SIZE_??? */, config=0x4<<32|PERF_COUNT_HW_CPU_CYCLES, sample_period=0, sample_type=0, read_format=0, disabled=1, precise_ip=0 /* arbitrary skid */, ...}, 0, -1, -1, PERF_FLAG_FD_CLOEXEC) = 4
---- end ----
x86 hybrid: FAILED!
+++ exited with 0 +++
root@number:/home/acme/Downloads#