Ubuntu 23.04 (Lunar Lobster) has reached end of life, so this bug will
not be fixed for that specific release.
** Changed in: linux (Ubuntu Lunar)
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/2026592
Title:
ftrace in ubuntu_kernel_selftests failed with "check if duplicate
events are caught" on P9
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Jammy:
Incomplete
Status in linux source package in Kinetic:
Won't Fix
Status in linux source package in Lunar:
Won't Fix
Bug description:
Issue found on:
- Jammy 5.15.0-36.37 with Power9 baltar
- Kinetic 5.19.0-47.49 with Power9 baltar
- Lunar 6.2.0-25.25 with Power9 baltar
Test failed with:
# [15] Generic dynamic event - check if duplicate events are caught [FAIL]
Test Log:
make: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ftrace'
TAP version 13
1..1
# selftests: ftrace: ftracetest
# === Ftrace unit tests ===
# [1] Basic trace file check [PASS]
# [2] Basic test for tracers [PASS]
# [3] Basic trace clock test [PASS]
# [4] Basic event tracing check [PASS]
# [5] Change the ringbuffer size [PASS]
# [6] Snapshot and tracing setting [PASS]
# [7] trace_pipe and trace_marker [PASS]
# [8] Test ftrace direct functions against tracers [UNRESOLVED]
# [9] Test ftrace direct functions against kprobes [UNRESOLVED]
# [10] Generic dynamic event - add/remove eprobe events [PASS]
# [11] Generic dynamic event - add/remove kprobe events [PASS]
# [12] Generic dynamic event - add/remove synthetic events [PASS]
# [13] Generic dynamic event - selective clear (compatibility) [PASS]
# [14] Generic dynamic event - generic clear event [PASS]
# [15] Generic dynamic event - check if duplicate events are caught [FAIL]
# [16] event tracing - enable/disable with event level files [PASS]
# [17] event tracing - restricts events based on pid notrace filtering [PASS]
# [18] event tracing - restricts events based on pid [PASS]
# [19] event tracing - enable/disable with subsystem level files [PASS]
# [20] event tracing - enable/disable with top level files [PASS]
# [21] Test trace_printk from module [PASS]
# [22] ftrace - function graph filters with stack tracer [PASS]
# [23] ftrace - function graph filters [PASS]
# [24] ftrace - function pid notrace filters [PASS]
# [25] ftrace - function pid filters [PASS]
# [26] ftrace - stacktrace filter command [PASS]
# [27] ftrace - function trace with cpumask [PASS]
# [28] ftrace - test for function event triggers [PASS]
# [29] ftrace - function trace on module [PASS]
# [30] ftrace - function profiling [PASS]
# [31] ftrace - function profiler with function tracing [PASS]
# [32] ftrace - test reading of set_ftrace_filter [PASS]
# [33] ftrace - test for function traceon/off triggers [PASS]
# [34] ftrace - test tracing error log support [PASS]
# [35] Test creation and deletion of trace instances while setting an event
[PASS]
# [36] Test creation and deletion of trace instances [PASS]
# [37] Kprobe dynamic event - adding and removing [PASS]
# [38] Kprobe dynamic event - busy event check [PASS]
# [39] Kprobe dynamic event with arguments [PASS]
# [40] Kprobe event with comm arguments [PASS]
# [41] Kprobe event string type argument [PASS]
# [42] Kprobe event symbol argument [PASS]
# [43] Kprobe event argument syntax [PASS]
# [44] Kprobes event arguments with types [PASS]
# [45] Kprobe event user-memory access [UNSUPPORTED]
# [46] Kprobe event auto/manual naming [PASS]
# [47] Kprobe dynamic event with function tracer [PASS]
# [48] Create/delete multiprobe on kprobe event [PASS]
# [49] Kprobe event parser error log check [PASS]
# [50] Kretprobe dynamic event with arguments [PASS]
# [51] Kretprobe dynamic event with maxactive [PASS]
# [52] Kretprobe %return suffix test [PASS]
# [53] Register/unregister many kprobe events [PASS]
# [54] Kprobe profile [PASS]
# [55] Uprobe event parser error log check [PASS]
# [56] test for the preemptirqsoff tracer [UNSUPPORTED]
# [57] Meta-selftest: Checkbashisms [PASS]
# [58] Test wakeup tracer [PASS]
# [59] Test wakeup RT tracer [PASS]
# [60] event trigger - test inter-event histogram trigger expected fail
actions [XFAIL]
# [61] event trigger - test field variable support [PASS]
# [62] event trigger - test multiple actions on hist trigger [PASS]
# [63] event trigger - test inter-event histogram trigger onchange action
[PASS]
# [64] event trigger - test inter-event histogram trigger onmatch action
[PASS]
# [65] event trigger - test inter-event histogram trigger onmatch-onmax
action [PASS]
# [66] event trigger - test inter-event histogram trigger onmax action [PASS]
# [67] event trigger - test inter-event histogram trigger snapshot action
[PASS]
# [68] event trigger - test inter-event histogram trigger eprobe on
synthetic event [PASS]
# [69] event trigger - test inter-event histogram trigger trace action with
dynamic string param [PASS]
# [70] event trigger - test synthetic_events syntax parser [PASS]
# [71] event trigger - test synthetic_events syntax parser errors [PASS]
# [72] event trigger - test inter-event histogram trigger trace action [PASS]
# [73] event trigger - test event enable/disable trigger [PASS]
# [74] event trigger - test trigger filter [PASS]
# [75] event trigger - test histogram modifiers [PASS]
# [76] event trigger - test histogram parser errors [PASS]
# [77] event trigger - test multiple histogram triggers [PASS]
# [78] event trigger - test snapshot-trigger [PASS]
# [79] event trigger - test stacktrace-trigger [PASS]
# [80] trace_marker trigger - test snapshot trigger [PASS]
# [81] trace_marker trigger - test histogram with synthetic event against
kernel event [PASS]
# [82] trace_marker trigger - test histogram with synthetic event [PASS]
# [83] event trigger - test traceon/off trigger [PASS]
# [84] (instance) Basic test for tracers [PASS]
# [85] (instance) Basic trace clock test [PASS]
# [86] (instance) Change the ringbuffer size [PASS]
# [87] (instance) Snapshot and tracing setting [PASS]
# [88] (instance) trace_pipe and trace_marker [PASS]
# [89] (instance) event tracing - enable/disable with event level files
[PASS]
# [90] (instance) event tracing - restricts events based on pid notrace
filtering [PASS]
# [91] (instance) event tracing - restricts events based on pid [PASS]
# [92] (instance) event tracing - enable/disable with subsystem level files
[PASS]
# [93] (instance) ftrace - function pid notrace filters [PASS]
# [94] (instance) ftrace - function pid filters [PASS]
# [95] (instance) ftrace - stacktrace filter command [PASS]
# [96] (instance) ftrace - test for function event triggers [PASS]
# [97] (instance) ftrace - test for function traceon/off triggers [PASS]
# [98] (instance) event trigger - test event enable/disable trigger [PASS]
# [99] (instance) event trigger - test trigger filter [PASS]
# [100] (instance) event trigger - test histogram modifiers [PASS]
# [101] (instance) event trigger - test multiple histogram triggers [PASS]
# [102] (instance) trace_marker trigger - test snapshot trigger [PASS]
#
#
# # of passed: 96
# # of failed: 1
# # of unresolved: 2
# # of untested: 0
# # of unsupported: 2
# # of xfailed: 1
# # of undefined(test bug): 0
not ok 1 selftests: ftrace: ftracetest # exit=1
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