lkml.org 
[lkml]   [2017]   [May]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH 0/7] selftests/ftrace: Some improvements of ftracetest
Date
Hi,

This series improves ftracetest mainly to run on 4.9 stable
tree kernel. There still some issues remains (it seems some
fixes are not merged), but a half of issues are fixed.

NOTE: One patch will modify ftrace README to check the
availability of the maxactive option, which should have
been implemented with the function-added patch.

With this series, only 1 test actually failed on 4.9.29.
(and 3 unsupported, since it is too old to support it)

Tue May 23 05:56:24 UTC 2017
=== 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] event tracing - enable/disable with event level files [PASS]
[6] event tracing - restricts events based on pid [PASS]
[7] event tracing - enable/disable with subsystem level files [PASS]
[8] event tracing - enable/disable with top level files [PASS]
[9] ftrace - function graph filters with stack tracer [PASS]
[10] ftrace - function graph filters [PASS]
[11] ftrace - function glob filters [PASS]
[12] ftrace - function pid filters [PASS]
[13] ftrace - test for function event triggers [PASS]
[14] ftrace - function profiler with function tracing [PASS]
[15] ftrace - test reading of set_ftrace_filter [FAIL]
[16] ftrace - test for function traceon/off triggers [PASS]
[17] Test creation and deletion of trace instances while setting an event [PASS]
[18] Test creation and deletion of trace instances [PASS]
[19] Kprobe dynamic event - adding and removing [PASS]
[20] Kprobe dynamic event - busy event check [PASS]
[21] Kprobe dynamic event with arguments [PASS]
[22] Kprobes event arguments with types [PASS]
[23] Kprobe dynamic event with function tracer [PASS]
[24] Kretprobe dynamic event with arguments [PASS]
[25] Kretprobe dynamic event with maxactive [UNSUPPORTED]
[26] event trigger - test event enable/disable trigger [PASS]
[27] event trigger - test trigger filter [PASS]
[28] event trigger - test histogram modifiers [PASS]
[29] event trigger - test histogram trigger [PASS]
[30] event trigger - test multiple histogram triggers [PASS]
[31] event trigger - test snapshot-trigger [PASS]
[32] event trigger - test stacktrace-trigger [PASS]
[33] event trigger - test traceon/off trigger [PASS]
[34] (instance) Basic test for tracers [PASS]
[35] (instance) Basic trace clock test [PASS]
[36] (instance) event tracing - enable/disable with event level files [PASS]
[37] (instance) event tracing - restricts events based on pid [PASS]
[38] (instance) event tracing - enable/disable with subsystem level files [PASS]
[39] (instance) ftrace - test for function event triggers [UNSUPPORTED]
[40] (instance) ftrace - test for function traceon/off triggers [UNSUPPORTED]
[41] (instance) event trigger - test event enable/disable trigger [PASS]
[42] (instance) event trigger - test trigger filter [PASS]
[43] (instance) event trigger - test histogram modifiers [PASS]
[44] (instance) event trigger - test histogram trigger [PASS]
[45] (instance) event trigger - test multiple histogram triggers [PASS]

# of passed: 41
# of failed: 1
# of unresolved: 0
# of untested: 0
# of unsupported: 3
# of xfailed: 0
# of undefined(test bug): 0


> [15] ftrace - test reading of set_ftrace_filter [FAIL]
was caused by the difference of the result of
"dd bs=1 if=set_ftrace_filter" and "cat set_ftrace_filter",
which has been fixed on upstream by commit fcdc71257923
("ftrace: Fix indexing of t_hash_start() from t_next()")
but backporting it onto 4.9.y stable tree didn't fix that.


Thank you,

---

Masami Hiramatsu (7):
selftests/ftrace: Skip full-glob-matching filter test on older kernel
selftests/ftrace: Reduce trace buffer checking overhead
ftrace/kprobes: selftests: Check kretprobe maxactive is supported
selftests/ftrace: Reset ftrace filter on older kernel
selftests/ftrace: Add instance indication in test log
selftests/ftrace: Use top-level available_filter_function
selftests/ftrace: Return unsupported if it detects older kernel


kernel/trace/trace.c | 3 +-
tools/testing/selftests/ftrace/ftracetest | 2 +
.../ftrace/test.d/event/toplevel-enable.tc | 8 ++++--
.../ftrace/test.d/ftrace/func-filter-glob.tc | 28 ++++++++++++--------
.../ftrace/test.d/ftrace/func_event_triggers.tc | 9 ++++++
.../test.d/ftrace/func_traceonoff_triggers.tc | 13 +++++++++
.../ftrace/test.d/instances/instance-event.tc | 5 +++-
.../ftrace/test.d/kprobe/kretprobe_maxactive.tc | 1 +
8 files changed, 53 insertions(+), 16 deletions(-)

--
Masami Hiramatsu (Linaro) <mhiramat@kernel.org>

\
 
 \ /
  Last update: 2017-05-23 08:04    [W:0.182 / U:0.160 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site