LTTng » LTTng-tools

On 32 bit x86 images, running the lttng-tools tests we see some failures:

PASS: kernel/test_select_poll_epoll 1 - Start session daemon
PASS: kernel/test_select_poll_epoll 2 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_working_cases_trace_path.ms9uft
PASS: kernel/test_select_poll_epoll 3 - Enable kernel syscall select,pselect6,poll,ppoll,epoll_ctl,epoll_wait,epoll_pwait for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 4 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 5 - Start tracing for session
PASS: kernel/test_select_poll_epoll 6 - Stop lttng tracing for session
FAIL: kernel/test_select_poll_epoll 7 - Validate trace for event select
FAIL: kernel/test_select_poll_epoll 8 - Validate trace for event pselect6
PASS: kernel/test_select_poll_epoll 9 - Validate trace for event poll, 16 events
FAIL: kernel/test_select_poll_epoll 10 - Validate trace for event ppoll
PASS: kernel/test_select_poll_epoll 11 - Validate trace for event epoll_ctl, 4 events
PASS: kernel/test_select_poll_epoll 12 - Validate trace for event epoll_wait, 6 events
PASS: kernel/test_select_poll_epoll 13 - Validate trace for event epoll_pwait, 2 events
PASS: kernel/test_select_poll_epoll 14 - Validation skipped
PASS: kernel/test_select_poll_epoll 15 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 16 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_timeout_cases_trace_path.zFWbtZ
PASS: kernel/test_select_poll_epoll 17 - Enable kernel syscall select,pselect6,poll,ppoll,epoll_ctl,epoll_wait,epoll_pwait for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 18 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 19 - Start tracing for session
PASS: kernel/test_select_poll_epoll 20 - Stop lttng tracing for session
FAIL: kernel/test_select_poll_epoll 21 - Validate trace for event select
FAIL: kernel/test_select_poll_epoll 22 - Validate trace for event pselect6
PASS: kernel/test_select_poll_epoll 23 - Validate trace for event poll, 16 events
FAIL: kernel/test_select_poll_epoll 24 - Validate trace for event ppoll
PASS: kernel/test_select_poll_epoll 25 - Validate trace for event epoll_ctl, 4 events
PASS: kernel/test_select_poll_epoll 26 - Validate trace for event epoll_wait, 6 events
PASS: kernel/test_select_poll_epoll 27 - Validate trace for event epoll_pwait, 2 events
PASS: kernel/test_select_poll_epoll 28 - Validation skipped
PASS: kernel/test_select_poll_epoll 29 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 30 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_pselect_invalid_fd_trace_path.FoUxnX
PASS: kernel/test_select_poll_epoll 31 - Enable kernel syscall pselect6 for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 32 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 33 - Start tracing for session
PASS: kernel/test_select_poll_epoll 34 - Stop lttng tracing for session
PASS: kernel/test_select_poll_epoll 35 - Validate trace for event pselect6, 2 events
PASS: kernel/test_select_poll_epoll 36 - Validation skipped
PASS: kernel/test_select_poll_epoll 37 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 38 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_big_ppoll_trace_path.BjArOd
PASS: kernel/test_select_poll_epoll 39 - Enable kernel syscall ppoll for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 40 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 41 - Start tracing for session
PASS: kernel/test_select_poll_epoll 42 - Stop lttng tracing for session
FAIL: kernel/test_select_poll_epoll 43 - Validate trace for event ppoll
PASS: kernel/test_select_poll_epoll 44 - Validation skipped
PASS: kernel/test_select_poll_epoll 45 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 46 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_ppoll_overflow_trace_path.r1OnlC
PASS: kernel/test_select_poll_epoll 47 - Enable kernel syscall ppoll for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 48 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 49 - Start tracing for session
PASS: kernel/test_select_poll_epoll 50 - Stop lttng tracing for session
PASS: kernel/test_select_poll_epoll 51 - Validate trace for event ppoll, 2 events
PASS: kernel/test_select_poll_epoll 52 - Validation skipped
PASS: kernel/test_select_poll_epoll 53 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 54 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_pselect_invalid_ptr_trace_path.na4y64
PASS: kernel/test_select_poll_epoll 55 - Enable kernel syscall pselect6 for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 56 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 57 - Start tracing for session
PASS: kernel/test_select_poll_epoll 58 - Stop lttng tracing for session
PASS: kernel/test_select_poll_epoll 59 - Validate trace for event pselect6, 2 events
PASS: kernel/test_select_poll_epoll 60 - Validation skipped
PASS: kernel/test_select_poll_epoll 61 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 62 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_ppoll_ulong_max_trace_path.qqIdrR
PASS: kernel/test_select_poll_epoll 63 - Enable kernel syscall ppoll for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 64 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 65 - Start tracing for session
PASS: kernel/test_select_poll_epoll 66 - Stop lttng tracing for session
PASS: kernel/test_select_poll_epoll 67 - Validate trace for event ppoll, 2 events
PASS: kernel/test_select_poll_epoll 68 - Validation skipped
PASS: kernel/test_select_poll_epoll 69 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 70 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_epoll_pwait_invalid_ptr_trace_path.xVodau
PASS: kernel/test_select_poll_epoll 71 - Enable kernel syscall epoll_pwait for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 72 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 73 - Start tracing for session
PASS: kernel/test_select_poll_epoll 74 - Stop lttng tracing for session
PASS: kernel/test_select_poll_epoll 75 - Validate trace for event epoll_pwait, 2 events
PASS: kernel/test_select_poll_epoll 76 - Validation skipped
PASS: kernel/test_select_poll_epoll 77 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 78 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_epoll_pwait_int_max_trace_path.xKJfa6
PASS: kernel/test_select_poll_epoll 79 - Enable kernel syscall epoll_pwait for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 80 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 81 - Start tracing for session
PASS: kernel/test_select_poll_epoll 82 - Stop lttng tracing for session
PASS: kernel/test_select_poll_epoll 83 - Validate trace for event epoll_pwait, 2 events
PASS: kernel/test_select_poll_epoll 84 - Validation skipped
PASS: kernel/test_select_poll_epoll 85 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 86 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_ppoll_concurrent_trace_path.wOIxYY
PASS: kernel/test_select_poll_epoll 87 - Enable kernel syscall ppoll for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 88 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 89 - Start tracing for session
PASS: kernel/test_select_poll_epoll 90 - Stop lttng tracing for session
FAIL: kernel/test_select_poll_epoll 91 - Validate trace for event ppoll
PASS: kernel/test_select_poll_epoll 92 - Validation skipped
PASS: kernel/test_select_poll_epoll 93 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 94 - Create session syscall_payload in -o /tmp/tmp.XXXXXXXXXXl_select_poll_epoll_test_epoll_pwait_concurrent_trace_path.bZvklK
PASS: kernel/test_select_poll_epoll 95 - Enable kernel syscall epoll_ctl,epoll_pwait for session syscall_payload on channel
PASS: kernel/test_select_poll_epoll 96 - Add context command for type: pid
PASS: kernel/test_select_poll_epoll 97 - Start tracing for session
PASS: kernel/test_select_poll_epoll 98 - Stop lttng tracing for session
PASS: kernel/test_select_poll_epoll 99 - Validate trace for event epoll_ctl, 409400 events
PASS: kernel/test_select_poll_epoll 100 - Validation skipped
PASS: kernel/test_select_poll_epoll 101 - Destroy session syscall_payload
PASS: kernel/test_select_poll_epoll 102 - Wait after kill session daemon

as seen in Yocto Project CI here:

https://autobuilder.yoctoproject.org/valkyrie/#/builders/44/builds/1

{'lttng-tools': ['kernel/test_select_poll_epoll_7_-_Validate_trace_for_event_select',
'kernel/test_select_poll_epoll_8_-_Validate_trace_for_event_pselect6',
'kernel/test_select_poll_epoll_10_-_Validate_trace_for_event_ppoll',
'kernel/test_select_poll_epoll_21_-_Validate_trace_for_event_select',
'kernel/test_select_poll_epoll_22_-_Validate_trace_for_event_pselect6',
'kernel/test_select_poll_epoll_24_-_Validate_trace_for_event_ppoll',
'kernel/test_select_poll_epoll_43_-_Validate_trace_for_event_ppoll',
'kernel/test_select_poll_epoll_91_-_Validate_trace_for_event_ppoll',
'kernel/test_select_poll_epoll']}

I've attached the log from the test directory from the target image. These are the only failures we're seeing for 32 bit x86.