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6 commits

Author SHA1 Message Date
Masami Hiramatsu
3591e90fe1 selftests/ftrace: Convert required interface checks into requires list 
Convert the required tracefs interface checking code with
requires: list.

Fixed merge conflicts in trigger-hist.tc and trigger-trace-marker-hist.tc
Shuah Khan <skhan@linuxfoundation.org>

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
 2020-06-16 10:39:20 -06:00
Tom Zanussi
403726d818 tracing: Add SPDX license GPL-2.0 license identifier to inter-event testcases 
Apparently this directory was missed in the license cleanup process -
add the missing identifiers to the trigger/inter-event test cases.

Link: http://lkml.kernel.org/r/6f9828c2cfb0b378ebd217a39a1b44f063fc17fb.1550100284.git.tom.zanussi@linux.intel.com

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 2019-02-20 13:51:07 -05:00
Linus Torvalds
f4267b3604 Masami had a couple more fixes to the synthetic events. One was a proper 
error return value, and the other is for the self tests.
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Merge tag 'trace-v4.19-rc8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Masami had a couple more fixes to the synthetic events. One was a
  proper error return value, and the other is for the self tests"

* tag 'trace-v4.19-rc8-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  selftests/ftrace: Fix synthetic event test to delete event correctly
  tracing: Return -ENOENT if there is no target synthetic event
 2018-10-30 09:47:28 -07:00
Masami Hiramatsu
0d0352d8b3 selftests/ftrace: Fix synthetic event test to delete event correctly 
Fix the synthetic event test case to remove event correctly.
If redirecting command to synthetic_event file without append
mode, it cleans up all existing events and execute (parse) the
command. This means "delete event" always fails to find the
target event.

Since previous synthetic event has a bug which doesn't return
-ENOENT even if it fails to find the deleting event, this test
passed. But fixing that bug, this test fails because this test
itself has a bug.

This fixes that bug by trying to delete event right after
adding an event, and use append mode redirection ('>>') instead
of normal redirection ('>').

Link: http://lkml.kernel.org/r/154013452832.25576.2305459545429386517.stgit@devbox

Acked-by: Shuah Khan <shuah@kernel.org>
Acked-by: Tom Zanussi <zanussi@linux.intel.com>
Tested-by: Tom Zanussi <zanussi@linux.intel.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Cc: Tom Zanussi <tom.zanussi@linux.intel.com>
Cc: Rajvi Jingar <rajvi.jingar@intel.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: stable@vger.kernel.org
Fixes: f06eec4d0f ('selftests: ftrace: Add inter-event hist triggers testcases')
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 2018-10-28 15:14:55 -04:00
Masami Hiramatsu
e527c47081 selftests/ftrace: Remove unneeded per-test init/cleanup ftrace 
Since ftracetest framework calls initialize_ftrace() right before
each test and after all tests, we don't need to init/cleanup
ftrace for each test case.
Just remove such unneeded init/cleanup code because it can
increase logfile size.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
 2018-10-24 14:49:35 -06:00
Rajvi Jingar
f06eec4d0f selftests: ftrace: Add inter-event hist triggers testcases 
This adds inter-event hist triggers testcases which covers following:
     - create/remove synthetic event
     - disable histogram for synthetic event
     - extended error support
     - field variable support
     - histogram variables
     - histogram trigger onmatch action
     - histogram trigger onmax action
     - histogram trigger onmatch-onmax action
     - simple expression support
     - combined histogram

    Here is the test result.
    === Ftrace unit tests ===
    [1] event trigger - test extended error support [PASS]
    [2] event trigger - test field variable support [PASS]
    [3] event trigger - test inter-event combined histogram trigger [PASS]
    [4] event trigger - test inter-event histogram trigger onmatch action   [PASS]
    [5] event trigger - test inter-event histogram trigger onmatch-onmax action     [PASS]
    [6] event trigger - test inter-event histogram trigger onmax action     [PASS]
    [7] event trigger - test synthetic event create remove  [PASS]

Link: http://lkml.kernel.org/r/e07ef1e72f7bf0f84dc87c9b736d6dc91b4b0b49.1516069914.git.tom.zanussi@linux.intel.com

Signed-off-by: Rajvi Jingar <rajvi.jingar@intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 2018-03-10 16:06:05 -05:00