*** This bug is a duplicate of bug 1861929 ***
https://bugs.launchpad.net/bugs/1861929
** Summary changed:
- ftracetest fails completely on E linux-kvm
+ ftrace test in ubuntu_kernel_selftests fails completely on E linux-kvm
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1854088
Title:
ftrace test in ubuntu_kernel_selftests fails completely on E linux-kvm
Status in ubuntu-kernel-tests:
Fix Committed
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Eoan:
Fix Committed
Bug description:
Kernel: 5.3.0-1008.9 linux-kvm
Series: Eoan
Test: ftrace selftest
make: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
make --no-builtin-rules ARCH=x86 -C ../../.. headers_install
make[1]: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
INSTALL ./usr/include
make[1]: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
make[1]: Entering directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ftrace'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ftrace'
make[1]: 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 [FAIL]
# [2] Basic test for tracers [FAIL]
# [3] Basic trace clock test [FAIL]
# [4] Basic event tracing check [FAIL]
# [5] Change the ringbuffer size [FAIL]
# [6] Snapshot and tracing setting [FAIL]
# [7] trace_pipe and trace_marker [FAIL]
# [8] Generic dynamic event - add/remove kprobe events [FAIL]
# [9] Generic dynamic event - add/remove synthetic events [FAIL]
# [10] Generic dynamic event - selective clear (compatibility) [FAIL]
# [11] Generic dynamic event - generic clear event [FAIL]
# [12] event tracing - enable/disable with event level files [FAIL]
# [13] event tracing - restricts events based on pid [FAIL]
# [14] event tracing - enable/disable with subsystem level files [FAIL]
# [15] event tracing - enable/disable with top level files [FAIL]
# [16] Test trace_printk from module [FAIL]
# [17] ftrace - function graph filters with stack tracer [FAIL]
# [18] ftrace - function graph filters [FAIL]
# [19] ftrace - function pid filters [FAIL]
# [20] ftrace - stacktrace filter command [FAIL]
# [21] ftrace - function trace with cpumask [FAIL]
# [22] ftrace - test for function event triggers [FAIL]
# [23] ftrace - function trace on module [FAIL]
# [24] ftrace - function profiling [FAIL]
# [25] ftrace - function profiler with function tracing [FAIL]
# [26] ftrace - test reading of set_ftrace_filter [FAIL]
# [27] ftrace - test for function traceon/off triggers [FAIL]
# [28] ftrace - test tracing error log support [FAIL]
# [29] Test creation and deletion of trace instances while setting an event
[FAIL]
# [30] Test creation and deletion of trace instances [FAIL]
# [31] Kprobe dynamic event - adding and removing [FAIL]
# [32] Kprobe dynamic event - busy event check [FAIL]
# [33] Kprobe dynamic event with arguments [FAIL]
# [34] Kprobe event with comm arguments [FAIL]
# [35] Kprobe event string type argument [FAIL]
# [36] Kprobe event symbol argument [FAIL]
# [37] Kprobe event argument syntax [FAIL]
# [38] Kprobes event arguments with types [FAIL]
# [39] Kprobe event user-memory access [FAIL]
# [40] Kprobe event auto/manual naming [FAIL]
# [41] Kprobe dynamic event with function tracer [FAIL]
# [42] Kprobe event parser error log check [FAIL]
# [43] Kretprobe dynamic event with arguments [FAIL]
# [44] Kretprobe dynamic event with maxactive [FAIL]
# [45] Register/unregister many kprobe events [FAIL]
# [46] Kprobe dynamic event - adding and removing [FAIL]
# [47] Uprobe event parser error log check [FAIL]
# [48] test for the preemptirqsoff tracer [FAIL]
# [49] Meta-selftest [FAIL]
# [50] Test wakeup tracer [FAIL]
# [51] Test wakeup RT tracer [FAIL]
# [52] event trigger - test inter-event histogram trigger expected fail
actions [FAIL]
# [53] event trigger - test field variable support [FAIL]
# [54] event trigger - test multiple actions on hist trigger [FAIL]
# [55] event trigger - test inter-event histogram trigger onchange action
[FAIL]
# [56] event trigger - test inter-event histogram trigger onmatch action
[FAIL]
# [57] event trigger - test inter-event histogram trigger onmatch-onmax
action [FAIL]
# [58] event trigger - test inter-event histogram trigger onmax action
[FAIL]
# [59] event trigger - test inter-event histogram trigger snapshot action
[FAIL]
# [60] event trigger - test synthetic_events syntax parser [FAIL]
# [61] event trigger - test inter-event histogram trigger trace action
[FAIL]
# [62] event trigger - test event enable/disable trigger [FAIL]
# [63] event trigger - test trigger filter [FAIL]
# [64] event trigger - test histogram modifiers [FAIL]
# [65] event trigger - test multiple histogram triggers [FAIL]
# [66] event trigger - test snapshot-trigger [FAIL]
# [67] event trigger - test stacktrace-trigger [FAIL]
# [68] trace_marker trigger - test snapshot trigger [FAIL]
# [69] trace_marker trigger - test histogram with synthetic event against
kernel event [FAIL]
# [70] trace_marker trigger - test histogram with synthetic event [FAIL]
# [71] event trigger - test traceon/off trigger [FAIL]
# [72] (instance) Basic test for tracers [FAIL]
# [73] (instance) Basic trace clock test [FAIL]
# [74] (instance) Change the ringbuffer size [FAIL]
# [75] (instance) Snapshot and tracing setting [FAIL]
# [76] (instance) trace_pipe and trace_marker [FAIL]
# [77] (instance) event tracing - enable/disable with event level files
[FAIL]
# [78] (instance) event tracing - restricts events based on pid [FAIL]
# [79] (instance) event tracing - enable/disable with subsystem level files
[FAIL]
# [80] (instance) ftrace - stacktrace filter command [FAIL]
# [81] (instance) ftrace - test for function event triggers [FAIL]
# [82] (instance) ftrace - test for function traceon/off triggers [FAIL]
# [83] (instance) event trigger - test event enable/disable trigger [FAIL]
# [84] (instance) event trigger - test trigger filter [FAIL]
# [85] (instance) event trigger - test histogram modifiers [FAIL]
# [86] (instance) event trigger - test multiple histogram triggers [FAIL]
# [87] (instance) trace_marker trigger - test snapshot trigger [FAIL]
# ./ftracetest: 49: cannot create set_ftrace_filter: Permission denied
# grep: set_ftrace_filter: No such file or directory
#
# # of passed: 0
# # of failed: 87
# # of unresolved: 0
# # of untested: 0
# # of unsupported: 0
# # of xfailed: 0
# # of undefined(test bug): 0
not ok 1 selftests: ftrace: ftracetest # exit=1
make[1]: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/ftrace'
make: Leaving directory
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
After attempting to run this manually the logs, (attached to this bug) all
are appended with:
./ftracetest: 49: cannot create set_ftrace_filter: Permission denied
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