Public bug reported:

In Focal,

The following tests fail on baremetal/amd64:

04/12 03:27:37 DEBUG|     utils:0153| [stdout] # [51] Test wakeup tracer        
[FAIL]
04/12 03:27:39 DEBUG|     utils:0153| [stdout] # [52] Test wakeup RT tracer     
[FAIL]
04/12 03:27:41 DEBUG|     utils:0153| [stdout] # [53] event trigger - test 
inter-event histogram trigger expected fail actions  [XFAIL]

Full output below.

04/12 03:25:07 DEBUG|     utils:0153| [stdout] # selftests: ftrace: ftracetest
04/12 03:25:07 DEBUG|     utils:0153| [stdout] # === Ftrace unit tests ===
04/12 03:25:07 DEBUG|     utils:0153| [stdout] # [1] Basic trace file check     
[PASS]
04/12 03:25:17 DEBUG|     utils:0153| [stdout] # [2] Basic test for tracers     
[PASS]
04/12 03:25:21 DEBUG|     utils:0153| [stdout] # [3] Basic trace clock test     
[PASS]
04/12 03:25:21 DEBUG|     utils:0153| [stdout] # [4] Basic event tracing check  
[PASS]
04/12 03:25:22 DEBUG|     utils:0153| [stdout] # [5] Change the ringbuffer size 
[PASS]
04/12 03:25:22 DEBUG|     utils:0153| [stdout] # [6] Snapshot and tracing 
setting       [PASS]
04/12 03:25:23 DEBUG|     utils:0153| [stdout] # [7] trace_pipe and 
trace_marker        [PASS]
04/12 03:25:23 DEBUG|     utils:0153| [stdout] # [8] Generic dynamic event - 
add/remove kprobe events   [PASS]
04/12 03:25:24 DEBUG|     utils:0153| [stdout] # [9] Generic dynamic event - 
add/remove synthetic events        [PASS]
04/12 03:25:24 DEBUG|     utils:0153| [stdout] # [10] Generic dynamic event - 
selective clear (compatibility)   [PASS]
04/12 03:25:25 DEBUG|     utils:0153| [stdout] # [11] Generic dynamic event - 
generic clear event       [PASS]
04/12 03:25:26 DEBUG|     utils:0153| [stdout] # [12] event tracing - 
enable/disable with event level files     [PASS]
04/12 03:25:27 DEBUG|     utils:0153| [stdout] # [13] event tracing - restricts 
events based on pid     [PASS]
04/12 03:25:27 DEBUG|     utils:0153| [stdout] # [14] event tracing - 
enable/disable with subsystem level files [PASS]
04/12 03:25:28 DEBUG|     utils:0153| [stdout] # [15] event tracing - 
enable/disable with top level files       [PASS]
04/12 03:25:30 DEBUG|     utils:0153| [stdout] # [16] Test trace_printk from 
module     [PASS]
04/12 03:25:35 DEBUG|     utils:0153| [stdout] # [17] ftrace - function graph 
filters with stack tracer [PASS]
04/12 03:25:37 DEBUG|     utils:0153| [stdout] # [18] ftrace - function graph 
filters   [PASS]
04/12 03:25:40 DEBUG|     utils:0153| [stdout] # [19] ftrace - function pid 
filters     [PASS]
04/12 03:25:41 DEBUG|     utils:0153| [stdout] # [20] ftrace - stacktrace 
filter command        [PASS]
04/12 03:25:43 DEBUG|     utils:0153| [stdout] # [21] ftrace - function trace 
with cpumask      [PASS]
04/12 03:25:48 DEBUG|     utils:0153| [stdout] # [22] ftrace - test for 
function event triggers [PASS]
04/12 03:25:49 DEBUG|     utils:0153| [stdout] # [23] ftrace - function trace 
on module [PASS]
04/12 03:25:53 DEBUG|     utils:0153| [stdout] # [24] ftrace - function 
profiling       [PASS]
04/12 03:25:59 DEBUG|     utils:0153| [stdout] # [25] ftrace - function 
profiler with function tracing  [PASS]
04/12 03:26:03 DEBUG|     utils:0153| [stdout] # [26] ftrace - test reading of 
set_ftrace_filter        [PASS]
04/12 03:26:07 DEBUG|     utils:0153| [stdout] # [27] ftrace - test for 
function traceon/off triggers   [PASS]
04/12 03:26:07 DEBUG|     utils:0153| [stdout] # [28] ftrace - test tracing 
error log support   [PASS]
04/12 03:26:11 DEBUG|     utils:0153| [stdout] # [29] Test creation and 
deletion of trace instances while setting an event      [PASS]
04/12 03:26:13 DEBUG|     utils:0153| [stdout] # [30] Test creation and 
deletion of trace instances     [PASS]
04/12 03:26:13 DEBUG|     utils:0153| [stdout] # [31] Kprobe dynamic event - 
adding and removing        [PASS]
04/12 03:26:14 DEBUG|     utils:0153| [stdout] # [32] Kprobe dynamic event - 
busy event check   [PASS]
04/12 03:26:14 DEBUG|     utils:0153| [stdout] # [33] Kprobe dynamic event with 
arguments       [PASS]
04/12 03:26:15 DEBUG|     utils:0153| [stdout] # [34] Kprobe event with comm 
arguments  [PASS]
04/12 03:26:15 DEBUG|     utils:0153| [stdout] # [35] Kprobe event string type 
argument [PASS]
04/12 03:26:16 DEBUG|     utils:0153| [stdout] # [36] Kprobe event symbol 
argument      [PASS]
04/12 03:26:18 DEBUG|     utils:0153| [stdout] # [37] Kprobe event argument 
syntax      [PASS]
04/12 03:26:20 DEBUG|     utils:0153| [stdout] # [38] Kprobes event arguments 
with types        [PASS]
04/12 03:26:20 DEBUG|     utils:0153| [stdout] # [39] Kprobe event user-memory 
access   [PASS]
04/12 03:26:21 DEBUG|     utils:0153| [stdout] # [40] Kprobe event auto/manual 
naming   [PASS]
04/12 03:26:23 DEBUG|     utils:0153| [stdout] # [41] Kprobe dynamic event with 
function tracer [PASS]
04/12 03:26:24 DEBUG|     utils:0153| [stdout] # [42] Create/delete multiprobe 
on kprobe event  [PASS]
04/12 03:26:25 DEBUG|     utils:0153| [stdout] # [43] Kprobe event parser error 
log check       [PASS]
04/12 03:26:26 DEBUG|     utils:0153| [stdout] # [44] Kretprobe dynamic event 
with arguments    [PASS]
04/12 03:26:27 DEBUG|     utils:0153| [stdout] # [45] Kretprobe dynamic event 
with maxactive    [PASS]
04/12 03:26:55 DEBUG|     utils:0153| [stdout] # [46] Register/unregister many 
kprobe events    [PASS]
04/12 03:26:56 DEBUG|     utils:0153| [stdout] # [47] Kprobe dynamic event - 
adding and removing        [PASS]
04/12 03:26:56 DEBUG|     utils:0153| [stdout] # [48] Uprobe event parser error 
log check       [PASS]
04/12 03:26:57 DEBUG|     utils:0153| [stdout] # [49] test for the 
preemptirqsoff tracer        [UNSUPPORTED]
04/12 03:27:36 DEBUG|     utils:0153| [stdout] # [50] Meta-selftest     [PASS]
04/12 03:27:37 DEBUG|     utils:0153| [stdout] # [51] Test wakeup tracer        
[FAIL]
04/12 03:27:39 DEBUG|     utils:0153| [stdout] # [52] Test wakeup RT tracer     
[FAIL]
04/12 03:27:41 DEBUG|     utils:0153| [stdout] # [53] event trigger - test 
inter-event histogram trigger expected fail actions  [XFAIL]
04/12 03:27:44 DEBUG|     utils:0153| [stdout] # [54] event trigger - test 
field variable support       [PASS]
04/12 03:27:45 DEBUG|     utils:0153| [stdout] # [55] event trigger - test 
multiple actions on hist trigger     [PASS]
04/12 03:27:50 DEBUG|     utils:0153| [stdout] # [56] event trigger - test 
inter-event histogram trigger onchange action        [PASS]
04/12 03:27:55 DEBUG|     utils:0153| [stdout] # [57] event trigger - test 
inter-event histogram trigger onmatch action [PASS]
04/12 03:28:00 DEBUG|     utils:0153| [stdout] # [58] event trigger - test 
inter-event histogram trigger onmatch-onmax action   [PASS]
04/12 03:28:03 DEBUG|     utils:0153| [stdout] # [59] event trigger - test 
inter-event histogram trigger onmax action   [PASS]
04/12 03:28:08 DEBUG|     utils:0153| [stdout] # [60] event trigger - test 
inter-event histogram trigger snapshot action        [PASS]
04/12 03:28:09 DEBUG|     utils:0153| [stdout] # [61] event trigger - test 
synthetic_events syntax parser       [PASS]
04/12 03:28:14 DEBUG|     utils:0153| [stdout] # [62] event trigger - test 
inter-event histogram trigger trace action   [PASS]
04/12 03:28:15 DEBUG|     utils:0153| [stdout] # [63] event trigger - test 
event enable/disable trigger [PASS]
04/12 03:28:16 DEBUG|     utils:0153| [stdout] # [64] event trigger - test 
trigger filter       [PASS]
04/12 03:28:17 DEBUG|     utils:0153| [stdout] # [65] event trigger - test 
histogram modifiers  [PASS]
04/12 03:28:17 DEBUG|     utils:0153| [stdout] # [66] event trigger - test 
multiple histogram triggers  [PASS]
04/12 03:28:18 DEBUG|     utils:0153| [stdout] # [67] event trigger - test 
snapshot-trigger     [PASS]
04/12 03:28:19 DEBUG|     utils:0153| [stdout] # [68] event trigger - test 
stacktrace-trigger   [PASS]
04/12 03:28:20 DEBUG|     utils:0153| [stdout] # [69] trace_marker trigger - 
test snapshot trigger      [PASS]
04/12 03:28:22 DEBUG|     utils:0153| [stdout] # [70] trace_marker trigger - 
test histogram with synthetic event against kernel event   [PASS]
04/12 03:28:23 DEBUG|     utils:0153| [stdout] # [71] trace_marker trigger - 
test histogram with synthetic event        [PASS]
04/12 03:28:24 DEBUG|     utils:0153| [stdout] # [72] event trigger - test 
traceon/off trigger  [PASS]
04/12 03:28:31 DEBUG|     utils:0153| [stdout] # [73] (instance)  Basic test 
for tracers        [PASS]
04/12 03:28:35 DEBUG|     utils:0153| [stdout] # [74] (instance)  Basic trace 
clock test        [PASS]
04/12 03:28:35 DEBUG|     utils:0153| [stdout] # [75] (instance)  Change the 
ringbuffer size    [PASS]
04/12 03:28:36 DEBUG|     utils:0153| [stdout] # [76] (instance)  Snapshot and 
tracing setting  [PASS]
04/12 03:28:37 DEBUG|     utils:0153| [stdout] # [77] (instance)  trace_pipe 
and trace_marker   [PASS]
04/12 03:28:37 DEBUG|     utils:0153| [stdout] # [78] (instance)  event tracing 
- enable/disable with event level files [PASS]
04/12 03:28:38 DEBUG|     utils:0153| [stdout] # [79] (instance)  event tracing 
- restricts events based on pid [PASS]
04/12 03:28:39 DEBUG|     utils:0153| [stdout] # [80] (instance)  event tracing 
- enable/disable with subsystem level files     [PASS]
04/12 03:28:41 DEBUG|     utils:0153| [stdout] # [81] (instance)  ftrace - 
stacktrace filter command    [PASS]
04/12 03:28:45 DEBUG|     utils:0153| [stdout] # [82] (instance)  ftrace - test 
for function event triggers     [PASS]
04/12 03:28:48 DEBUG|     utils:0153| [stdout] # [83] (instance)  ftrace - test 
for function traceon/off triggers       [PASS]
04/12 03:28:49 DEBUG|     utils:0153| [stdout] # [84] (instance)  event trigger 
- test event enable/disable trigger     [PASS]
04/12 03:28:50 DEBUG|     utils:0153| [stdout] # [85] (instance)  event trigger 
- test trigger filter   [PASS]
04/12 03:28:51 DEBUG|     utils:0153| [stdout] # [86] (instance)  event trigger 
- test histogram modifiers      [PASS]
04/12 03:28:52 DEBUG|     utils:0153| [stdout] # [87] (instance)  event trigger 
- test multiple histogram triggers      [PASS]
04/12 03:28:52 DEBUG|     utils:0153| [stdout] # [88] (instance)  trace_marker 
trigger - test snapshot trigger  [PASS]
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # 
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # 
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of passed:  84
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of failed:  2
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of unresolved:  0
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of untested:  0
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of unsupported:  1
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of xfailed:  1
04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of undefined(test bug):  0
04/12 03:28:53 DEBUG|     utils:0153| [stdout] not ok 1 selftests: ftrace: 
ftracetest # exit=1

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: Confirmed

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

** Affects: linux (Ubuntu Focal)
     Importance: Undecided
         Status: Incomplete


** Tags: amd64 focal kqa-blocker metal sru-20200406

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

-- 
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https://bugs.launchpad.net/bugs/1873054

Title:
  Test Wakeup Tracer / RT Tracer fails in ubuntu_kernel_selftests

Status in ubuntu-kernel-tests:
  Confirmed
Status in linux package in Ubuntu:
  Incomplete
Status in linux source package in Focal:
  Incomplete

Bug description:
  In Focal,

  The following tests fail on baremetal/amd64:

  04/12 03:27:37 DEBUG|     utils:0153| [stdout] # [51] Test wakeup tracer      
[FAIL]
  04/12 03:27:39 DEBUG|     utils:0153| [stdout] # [52] Test wakeup RT tracer   
[FAIL]
  04/12 03:27:41 DEBUG|     utils:0153| [stdout] # [53] event trigger - test 
inter-event histogram trigger expected fail actions        [XFAIL]

  Full output below.

  04/12 03:25:07 DEBUG|     utils:0153| [stdout] # selftests: ftrace: ftracetest
  04/12 03:25:07 DEBUG|     utils:0153| [stdout] # === Ftrace unit tests ===
  04/12 03:25:07 DEBUG|     utils:0153| [stdout] # [1] Basic trace file check   
[PASS]
  04/12 03:25:17 DEBUG|     utils:0153| [stdout] # [2] Basic test for tracers   
[PASS]
  04/12 03:25:21 DEBUG|     utils:0153| [stdout] # [3] Basic trace clock test   
[PASS]
  04/12 03:25:21 DEBUG|     utils:0153| [stdout] # [4] Basic event tracing 
check        [PASS]
  04/12 03:25:22 DEBUG|     utils:0153| [stdout] # [5] Change the ringbuffer 
size       [PASS]
  04/12 03:25:22 DEBUG|     utils:0153| [stdout] # [6] Snapshot and tracing 
setting     [PASS]
  04/12 03:25:23 DEBUG|     utils:0153| [stdout] # [7] trace_pipe and 
trace_marker      [PASS]
  04/12 03:25:23 DEBUG|     utils:0153| [stdout] # [8] Generic dynamic event - 
add/remove kprobe events [PASS]
  04/12 03:25:24 DEBUG|     utils:0153| [stdout] # [9] Generic dynamic event - 
add/remove synthetic events      [PASS]
  04/12 03:25:24 DEBUG|     utils:0153| [stdout] # [10] Generic dynamic event - 
selective clear (compatibility) [PASS]
  04/12 03:25:25 DEBUG|     utils:0153| [stdout] # [11] Generic dynamic event - 
generic clear event     [PASS]
  04/12 03:25:26 DEBUG|     utils:0153| [stdout] # [12] event tracing - 
enable/disable with event level files   [PASS]
  04/12 03:25:27 DEBUG|     utils:0153| [stdout] # [13] event tracing - 
restricts events based on pid   [PASS]
  04/12 03:25:27 DEBUG|     utils:0153| [stdout] # [14] event tracing - 
enable/disable with subsystem level files       [PASS]
  04/12 03:25:28 DEBUG|     utils:0153| [stdout] # [15] event tracing - 
enable/disable with top level files     [PASS]
  04/12 03:25:30 DEBUG|     utils:0153| [stdout] # [16] Test trace_printk from 
module   [PASS]
  04/12 03:25:35 DEBUG|     utils:0153| [stdout] # [17] ftrace - function graph 
filters with stack tracer       [PASS]
  04/12 03:25:37 DEBUG|     utils:0153| [stdout] # [18] ftrace - function graph 
filters [PASS]
  04/12 03:25:40 DEBUG|     utils:0153| [stdout] # [19] ftrace - function pid 
filters   [PASS]
  04/12 03:25:41 DEBUG|     utils:0153| [stdout] # [20] ftrace - stacktrace 
filter command      [PASS]
  04/12 03:25:43 DEBUG|     utils:0153| [stdout] # [21] ftrace - function trace 
with cpumask    [PASS]
  04/12 03:25:48 DEBUG|     utils:0153| [stdout] # [22] ftrace - test for 
function event triggers       [PASS]
  04/12 03:25:49 DEBUG|     utils:0153| [stdout] # [23] ftrace - function trace 
on module       [PASS]
  04/12 03:25:53 DEBUG|     utils:0153| [stdout] # [24] ftrace - function 
profiling     [PASS]
  04/12 03:25:59 DEBUG|     utils:0153| [stdout] # [25] ftrace - function 
profiler with function tracing        [PASS]
  04/12 03:26:03 DEBUG|     utils:0153| [stdout] # [26] ftrace - test reading 
of set_ftrace_filter      [PASS]
  04/12 03:26:07 DEBUG|     utils:0153| [stdout] # [27] ftrace - test for 
function traceon/off triggers [PASS]
  04/12 03:26:07 DEBUG|     utils:0153| [stdout] # [28] ftrace - test tracing 
error log support [PASS]
  04/12 03:26:11 DEBUG|     utils:0153| [stdout] # [29] Test creation and 
deletion of trace instances while setting an event    [PASS]
  04/12 03:26:13 DEBUG|     utils:0153| [stdout] # [30] Test creation and 
deletion of trace instances   [PASS]
  04/12 03:26:13 DEBUG|     utils:0153| [stdout] # [31] Kprobe dynamic event - 
adding and removing      [PASS]
  04/12 03:26:14 DEBUG|     utils:0153| [stdout] # [32] Kprobe dynamic event - 
busy event check [PASS]
  04/12 03:26:14 DEBUG|     utils:0153| [stdout] # [33] Kprobe dynamic event 
with arguments     [PASS]
  04/12 03:26:15 DEBUG|     utils:0153| [stdout] # [34] Kprobe event with comm 
arguments        [PASS]
  04/12 03:26:15 DEBUG|     utils:0153| [stdout] # [35] Kprobe event string 
type argument       [PASS]
  04/12 03:26:16 DEBUG|     utils:0153| [stdout] # [36] Kprobe event symbol 
argument    [PASS]
  04/12 03:26:18 DEBUG|     utils:0153| [stdout] # [37] Kprobe event argument 
syntax    [PASS]
  04/12 03:26:20 DEBUG|     utils:0153| [stdout] # [38] Kprobes event arguments 
with types      [PASS]
  04/12 03:26:20 DEBUG|     utils:0153| [stdout] # [39] Kprobe event 
user-memory access [PASS]
  04/12 03:26:21 DEBUG|     utils:0153| [stdout] # [40] Kprobe event 
auto/manual naming [PASS]
  04/12 03:26:23 DEBUG|     utils:0153| [stdout] # [41] Kprobe dynamic event 
with function tracer       [PASS]
  04/12 03:26:24 DEBUG|     utils:0153| [stdout] # [42] Create/delete 
multiprobe on kprobe event        [PASS]
  04/12 03:26:25 DEBUG|     utils:0153| [stdout] # [43] Kprobe event parser 
error log check     [PASS]
  04/12 03:26:26 DEBUG|     utils:0153| [stdout] # [44] Kretprobe dynamic event 
with arguments  [PASS]
  04/12 03:26:27 DEBUG|     utils:0153| [stdout] # [45] Kretprobe dynamic event 
with maxactive  [PASS]
  04/12 03:26:55 DEBUG|     utils:0153| [stdout] # [46] Register/unregister 
many kprobe events  [PASS]
  04/12 03:26:56 DEBUG|     utils:0153| [stdout] # [47] Kprobe dynamic event - 
adding and removing      [PASS]
  04/12 03:26:56 DEBUG|     utils:0153| [stdout] # [48] Uprobe event parser 
error log check     [PASS]
  04/12 03:26:57 DEBUG|     utils:0153| [stdout] # [49] test for the 
preemptirqsoff tracer      [UNSUPPORTED]
  04/12 03:27:36 DEBUG|     utils:0153| [stdout] # [50] Meta-selftest   [PASS]
  04/12 03:27:37 DEBUG|     utils:0153| [stdout] # [51] Test wakeup tracer      
[FAIL]
  04/12 03:27:39 DEBUG|     utils:0153| [stdout] # [52] Test wakeup RT tracer   
[FAIL]
  04/12 03:27:41 DEBUG|     utils:0153| [stdout] # [53] event trigger - test 
inter-event histogram trigger expected fail actions        [XFAIL]
  04/12 03:27:44 DEBUG|     utils:0153| [stdout] # [54] event trigger - test 
field variable support     [PASS]
  04/12 03:27:45 DEBUG|     utils:0153| [stdout] # [55] event trigger - test 
multiple actions on hist trigger   [PASS]
  04/12 03:27:50 DEBUG|     utils:0153| [stdout] # [56] event trigger - test 
inter-event histogram trigger onchange action      [PASS]
  04/12 03:27:55 DEBUG|     utils:0153| [stdout] # [57] event trigger - test 
inter-event histogram trigger onmatch action       [PASS]
  04/12 03:28:00 DEBUG|     utils:0153| [stdout] # [58] event trigger - test 
inter-event histogram trigger onmatch-onmax action [PASS]
  04/12 03:28:03 DEBUG|     utils:0153| [stdout] # [59] event trigger - test 
inter-event histogram trigger onmax action [PASS]
  04/12 03:28:08 DEBUG|     utils:0153| [stdout] # [60] event trigger - test 
inter-event histogram trigger snapshot action      [PASS]
  04/12 03:28:09 DEBUG|     utils:0153| [stdout] # [61] event trigger - test 
synthetic_events syntax parser     [PASS]
  04/12 03:28:14 DEBUG|     utils:0153| [stdout] # [62] event trigger - test 
inter-event histogram trigger trace action [PASS]
  04/12 03:28:15 DEBUG|     utils:0153| [stdout] # [63] event trigger - test 
event enable/disable trigger       [PASS]
  04/12 03:28:16 DEBUG|     utils:0153| [stdout] # [64] event trigger - test 
trigger filter     [PASS]
  04/12 03:28:17 DEBUG|     utils:0153| [stdout] # [65] event trigger - test 
histogram modifiers        [PASS]
  04/12 03:28:17 DEBUG|     utils:0153| [stdout] # [66] event trigger - test 
multiple histogram triggers        [PASS]
  04/12 03:28:18 DEBUG|     utils:0153| [stdout] # [67] event trigger - test 
snapshot-trigger   [PASS]
  04/12 03:28:19 DEBUG|     utils:0153| [stdout] # [68] event trigger - test 
stacktrace-trigger [PASS]
  04/12 03:28:20 DEBUG|     utils:0153| [stdout] # [69] trace_marker trigger - 
test snapshot trigger    [PASS]
  04/12 03:28:22 DEBUG|     utils:0153| [stdout] # [70] trace_marker trigger - 
test histogram with synthetic event against kernel event [PASS]
  04/12 03:28:23 DEBUG|     utils:0153| [stdout] # [71] trace_marker trigger - 
test histogram with synthetic event      [PASS]
  04/12 03:28:24 DEBUG|     utils:0153| [stdout] # [72] event trigger - test 
traceon/off trigger        [PASS]
  04/12 03:28:31 DEBUG|     utils:0153| [stdout] # [73] (instance)  Basic test 
for tracers      [PASS]
  04/12 03:28:35 DEBUG|     utils:0153| [stdout] # [74] (instance)  Basic trace 
clock test      [PASS]
  04/12 03:28:35 DEBUG|     utils:0153| [stdout] # [75] (instance)  Change the 
ringbuffer size  [PASS]
  04/12 03:28:36 DEBUG|     utils:0153| [stdout] # [76] (instance)  Snapshot 
and tracing setting        [PASS]
  04/12 03:28:37 DEBUG|     utils:0153| [stdout] # [77] (instance)  trace_pipe 
and trace_marker [PASS]
  04/12 03:28:37 DEBUG|     utils:0153| [stdout] # [78] (instance)  event 
tracing - enable/disable with event level files       [PASS]
  04/12 03:28:38 DEBUG|     utils:0153| [stdout] # [79] (instance)  event 
tracing - restricts events based on pid       [PASS]
  04/12 03:28:39 DEBUG|     utils:0153| [stdout] # [80] (instance)  event 
tracing - enable/disable with subsystem level files   [PASS]
  04/12 03:28:41 DEBUG|     utils:0153| [stdout] # [81] (instance)  ftrace - 
stacktrace filter command  [PASS]
  04/12 03:28:45 DEBUG|     utils:0153| [stdout] # [82] (instance)  ftrace - 
test for function event triggers   [PASS]
  04/12 03:28:48 DEBUG|     utils:0153| [stdout] # [83] (instance)  ftrace - 
test for function traceon/off triggers     [PASS]
  04/12 03:28:49 DEBUG|     utils:0153| [stdout] # [84] (instance)  event 
trigger - test event enable/disable trigger   [PASS]
  04/12 03:28:50 DEBUG|     utils:0153| [stdout] # [85] (instance)  event 
trigger - test trigger filter [PASS]
  04/12 03:28:51 DEBUG|     utils:0153| [stdout] # [86] (instance)  event 
trigger - test histogram modifiers    [PASS]
  04/12 03:28:52 DEBUG|     utils:0153| [stdout] # [87] (instance)  event 
trigger - test multiple histogram triggers    [PASS]
  04/12 03:28:52 DEBUG|     utils:0153| [stdout] # [88] (instance)  
trace_marker trigger - test snapshot trigger        [PASS]
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # 
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # 
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of passed:  84
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of failed:  2
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of unresolved:  0
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of untested:  0
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of unsupported:  1
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of xfailed:  1
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] # # of undefined(test bug):  0
  04/12 03:28:53 DEBUG|     utils:0153| [stdout] not ok 1 selftests: ftrace: 
ftracetest # exit=1

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