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author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-05 19:41:12 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-08-05 19:41:12 +0300 |
commit | 965a9d75e3d250088a269e0c903e86fe775b48c6 (patch) | |
tree | c274334291740246c3437cf1526d9fc5bfb6d4e8 /tools/testing | |
parent | 29b1d469f3f6842ee4115f0b21f018fc44176468 (diff) | |
parent | f1a15b977ff864513133ecb611eb28603d32c1b4 (diff) | |
download | linux-965a9d75e3d250088a269e0c903e86fe775b48c6.tar.xz |
Merge tag 'trace-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
- Runtime verification infrastructure
This is the biggest change here. It introduces the runtime
verification that is necessary for running Linux on safety critical
systems.
It allows for deterministic automata models to be inserted into the
kernel that will attach to tracepoints, where the information on
these tracepoints will move the model from state to state.
If a state is encountered that does not belong to the model, it will
then activate a given reactor, that could just inform the user or
even panic the kernel (for which safety critical systems will detect
and can recover from).
- Two monitor models are also added: Wakeup In Preemptive (WIP - not to
be confused with "work in progress"), and Wakeup While Not Running
(WWNR).
- Added __vstring() helper to the TRACE_EVENT() macro to replace
several vsnprintf() usages that were all doing it wrong.
- eprobes now can have their event autogenerated when the event name is
left off.
- The rest is various cleanups and fixes.
* tag 'trace-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (50 commits)
rv: Unlock on error path in rv_unregister_reactor()
tracing: Use alignof__(struct {type b;}) instead of offsetof()
tracing/eprobe: Show syntax error logs in error_log file
scripts/tracing: Fix typo 'the the' in comment
tracepoints: It is CONFIG_TRACEPOINTS not CONFIG_TRACEPOINT
tracing: Use free_trace_buffer() in allocate_trace_buffers()
tracing: Use a struct alignof to determine trace event field alignment
rv/reactor: Add the panic reactor
rv/reactor: Add the printk reactor
rv/monitor: Add the wwnr monitor
rv/monitor: Add the wip monitor
rv/monitor: Add the wip monitor skeleton created by dot2k
Documentation/rv: Add deterministic automata instrumentation documentation
Documentation/rv: Add deterministic automata monitor synthesis documentation
tools/rv: Add dot2k
Documentation/rv: Add deterministic automaton documentation
tools/rv: Add dot2c
Documentation/rv: Add a basic documentation
rv/include: Add instrumentation helper functions
rv/include: Add deterministic automata monitor definition via C macros
...
Diffstat (limited to 'tools/testing')
3 files changed, 16 insertions, 2 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc index 60c02b482be8..c300eb020262 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc @@ -1,7 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Generic dynamic event - add/remove eprobe events -# requires: dynamic_events events/syscalls/sys_enter_openat "e[:[<group>/]<event>] <attached-group>.<attached-event> [<args>]":README +# requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<args>]":README echo 0 > events/enable @@ -87,4 +87,11 @@ echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events ! grep -q "$EPROBE" dynamic_events ! test -d events/eprobes/$EPROBE +if grep -q "e\[:\[<group>/]\[<event>]]" README; then + echo "e:mygroup/ $SYSTEM/$EVENT $OPTIONS" >> dynamic_events + test -d events/mygroup + echo "-:mygroup/" >> dynamic_events + ! test -d events/mygroup +fi + clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc index b4da41d126d5..13d43f40a6fc 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc @@ -23,4 +23,11 @@ grep -q myevent1 dynamic_events echo > dynamic_events +if grep -q "p\[:\[<group>/]\[<event>]]" README; then + echo "p:mygroup/ $PLACE" >> dynamic_events + test -d events/mygroup + echo "-:mygroup/" >> dynamic_events + ! test -d events/mygroup +fi + clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc index fa928b431555..9e85d3019ff0 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc @@ -21,7 +21,7 @@ check_error 'p:^/bar vfs_read' # NO_GROUP_NAME check_error 'p:^12345678901234567890123456789012345678901234567890123456789012345/bar vfs_read' # GROUP_TOO_LONG check_error 'p:^foo.1/bar vfs_read' # BAD_GROUP_NAME -check_error 'p:foo/^ vfs_read' # NO_EVENT_NAME +check_error 'p:^ vfs_read' # NO_EVENT_NAME check_error 'p:foo/^12345678901234567890123456789012345678901234567890123456789012345 vfs_read' # EVENT_TOO_LONG check_error 'p:foo/^bar.1 vfs_read' # BAD_EVENT_NAME |