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| author |   Masami Hiramatsu <mhiramat@kernel.org> | 2019-03-31 18:48:20 -0500 |
|---|---|---|
| committer |   Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-04-08 09:22:50 -0400 |
| commit | 8ab4483eb660b37251847e1e2a1f787b8d568e81 (patch) | |
| tree | 4d9683c63639860db6e1a39bdc0a46f51389379c /tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc | |
| parent | tracing: Have the error logs show up in the proper instances (diff) | |
| download | wireguard-linux-8ab4483eb660b37251847e1e2a1f787b8d568e81.tar.xz wireguard-linux-8ab4483eb660b37251847e1e2a1f787b8d568e81.zip | |
selftests/ftrace: Add error_log testcase for probe errors
Add error_log testcase for error logs on probe events.
This tests most of error cases and checks the error position
is correct.
Link: http://lkml.kernel.org/r/63d695b74e0965988fa54ffa12beeb2c3475250d.1554072478.git.tom.zanussi@linux.intel.com
Acked-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
[tom.zanussi@linux.intel.com: changed >& redirection to 2>]
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc new file mode 100644 index 000000000000..ec7389b7934b --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc @@ -0,0 +1,31 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Uprobe event parser error log check + +[ -f uprobe_events ] || exit_unsupported # this is configurable + +[ -f error_log ] || exit_unsupported + +check_error() { # command-with-error-pos-by-^ +pos=$(echo -n "${1%^*}" | wc -c) # error position +command=$(echo "$1" | tr -d ^) +echo "Test command: $command" +echo > error_log +(! echo "$command" > uprobe_events ) 2> /dev/null +grep "trace_uprobe: error:" -A 3 error_log +N=$(tail -n 1 error_log | wc -c) +# " Command: " and "^\n" => 13 +test $(expr 13 + $pos) -eq $N +} + +check_error 'p ^/non_exist_file:100' # FILE_NOT_FOUND +check_error 'p ^/sys:100' # NO_REGULAR_FILE +check_error 'p /bin/sh:^10a' # BAD_UPROBE_OFFS +check_error 'p /bin/sh:10(^1a)' # BAD_REFCNT +check_error 'p /bin/sh:10(10^' # REFCNT_OPEN_BRACE +check_error 'p /bin/sh:10(10)^a' # BAD_REFCNT_SUFFIX + +check_error 'p /bin/sh:10 ^@+ab' # BAD_FILE_OFFS +check_error 'p /bin/sh:10 ^@symbol' # SYM_ON_UPROBE + +exit 0 |