This adds simple event trigger testcases for ftracetest,
which covers following triggers.
- traceon-traceoff trigger
- enable/disable_event trigger
- snapshot trigger
- stacktrace trigger
- trigger filters
Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Tom Zanussi <[email protected]>
---
tools/testing/selftests/ftrace/test.d/functions | 9 +++
.../ftrace/test.d/trigger/trigger-eventonoff.tc | 64 ++++++++++++++++++++
.../ftrace/test.d/trigger/trigger-filter.tc | 59 ++++++++++++++++++
.../ftrace/test.d/trigger/trigger-snapshot.tc | 56 ++++++++++++++++++
.../ftrace/test.d/trigger/trigger-stacktrace.tc | 53 +++++++++++++++++
.../ftrace/test.d/trigger/trigger-traceonoff.tc | 58 ++++++++++++++++++
6 files changed, 299 insertions(+)
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 5d8cd06..36ca18e 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -14,3 +14,12 @@ enable_tracing() { # start trace recording
reset_tracer() { # reset the current tracer
echo nop > current_tracer
}
+
+reset_trigger() { # reset all current setting triggers
+ grep -v ^# events/*/*/trigger |
+ while read line; do
+ cmd=`echo $line | cut -f2- -d:`
+ echo "!$cmd" > `echo $line | cut -f1 -d:`
+ done
+}
+
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
new file mode 100644
index 0000000..1a94450
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
@@ -0,0 +1,64 @@
+#!/bin/sh
+# description: event trigger - test event enable/disable trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "event enable/disable trigger is not supported"
+ exit_unsupported
+fi
+
+echo "Test enable_event trigger"
+echo 0 > events/sched/sched_switch/enable
+echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
+ fail "enable_event trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test disable_event trigger"
+echo 1 > events/sched/sched_switch/enable
+echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
+ fail "disable_event trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test semantic error for event enable/disable trigger"
+! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
+! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
+echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
new file mode 100644
index 0000000..514e466
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
@@ -0,0 +1,59 @@
+#!/bin/sh
+# description: event trigger - test trigger filter
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+echo "Test trigger filter"
+echo 1 > tracing_on
+echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat tracing_on` -ne 1 ]; then
+ fail "traceoff trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test semantic error for trigger filter"
+! echo 'traceoff if a' > events/sched/sched_process_fork/trigger
+! echo 'traceoff if common_pid=0' > events/sched/sched_process_fork/trigger
+! echo 'traceoff if common_pid==b' > events/sched/sched_process_fork/trigger
+echo 'traceoff if common_pid == 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+! echo 'traceoff if common_pid == child_pid' > events/sched/sched_process_fork/trigger
+echo 'traceoff if common_pid <= 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+echo 'traceoff if common_pid >= 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+echo 'traceoff if parent_pid >= 0 && child_pid >= 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+echo 'traceoff if parent_pid >= 0 || child_pid >= 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+
+
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
new file mode 100644
index 0000000..f84b80d
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
@@ -0,0 +1,56 @@
+#!/bin/sh
+# description: event trigger - test snapshot-trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "snapshot trigger is not supported"
+ exit_unsupported
+fi
+
+echo "Test snapshot tigger"
+echo 0 > snapshot
+echo 1 > events/sched/sched_process_fork/enable
+( echo "forked")
+echo 'snapshot:1' > events/sched/sched_process_fork/trigger
+( echo "forked")
+grep sched_process_fork snapshot > /dev/null || \
+ fail "snapshot trigger on sched_process_fork did not work"
+
+reset_trigger
+echo 0 > snapshot
+echo 0 > events/sched/sched_process_fork/enable
+
+echo "Test snapshot semantic errors"
+
+! echo "snapshot+1" > events/sched/sched_process_fork/trigger
+echo "snapshot" > events/sched/sched_process_fork/trigger
+! echo "snapshot" > events/sched/sched_process_fork/trigger
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
new file mode 100644
index 0000000..9fa23b0
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
@@ -0,0 +1,53 @@
+#!/bin/sh
+# description: event trigger - test stacktrace-trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "stacktrace trigger is not supported"
+ exit_unsupported
+fi
+
+echo "Test stacktrace tigger"
+echo 0 > trace
+echo 0 > options/stacktrace
+echo 'stacktrace' > events/sched/sched_process_fork/trigger
+( echo "forked")
+grep "<stack trace>" trace > /dev/null || \
+ fail "stacktrace trigger on sched_process_fork did not work"
+
+reset_trigger
+
+echo "Test stacktrace semantic errors"
+
+! echo "stacktrace:foo" > events/sched/sched_process_fork/trigger
+echo "stacktrace" > events/sched/sched_process_fork/trigger
+! echo "stacktrace" > events/sched/sched_process_fork/trigger
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
new file mode 100644
index 0000000..87648e5
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
@@ -0,0 +1,58 @@
+#!/bin/sh
+# description: event trigger - test traceon/off trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+echo "Test traceoff trigger"
+echo 1 > tracing_on
+echo 'traceoff' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat tracing_on` -ne 0 ]; then
+ fail "traceoff trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test traceon trigger"
+echo 0 > tracing_on
+echo 'traceon' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat tracing_on` -ne 1 ]; then
+ fail "traceoff trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test semantic error for traceoff/on trigger"
+! echo 'traceoff:badparam' > events/sched/sched_process_fork/trigger
+! echo 'traceoff+0' > events/sched/sched_process_fork/trigger
+echo 'traceon' > events/sched/sched_process_fork/trigger
+! echo 'traceon' > events/sched/sched_process_fork/trigger
+! echo 'traceoff' > events/sched/sched_process_fork/trigger
+
+do_reset
+
+exit 0
Hi Masami,
On Sat, Jul 25, 2015 at 10:13:10AM +0900, Masami Hiramatsu wrote:
> This adds simple event trigger testcases for ftracetest,
> which covers following triggers.
> - traceon-traceoff trigger
> - enable/disable_event trigger
> - snapshot trigger
> - stacktrace trigger
> - trigger filters
>
> Signed-off-by: Masami Hiramatsu <[email protected]>
> Cc: Steven Rostedt <[email protected]>
> Cc: Ingo Molnar <[email protected]>
> Cc: Shuah Khan <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> Cc: Tom Zanussi <[email protected]>
> ---
> tools/testing/selftests/ftrace/test.d/functions | 9 +++
> .../ftrace/test.d/trigger/trigger-eventonoff.tc | 64 ++++++++++++++++++++
> .../ftrace/test.d/trigger/trigger-filter.tc | 59 ++++++++++++++++++
> .../ftrace/test.d/trigger/trigger-snapshot.tc | 56 ++++++++++++++++++
> .../ftrace/test.d/trigger/trigger-stacktrace.tc | 53 +++++++++++++++++
> .../ftrace/test.d/trigger/trigger-traceonoff.tc | 58 ++++++++++++++++++
> 6 files changed, 299 insertions(+)
> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
>
> diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
> index 5d8cd06..36ca18e 100644
> --- a/tools/testing/selftests/ftrace/test.d/functions
> +++ b/tools/testing/selftests/ftrace/test.d/functions
> @@ -14,3 +14,12 @@ enable_tracing() { # start trace recording
> reset_tracer() { # reset the current tracer
> echo nop > current_tracer
> }
> +
> +reset_trigger() { # reset all current setting triggers
> + grep -v ^# events/*/*/trigger |
> + while read line; do
> + cmd=`echo $line | cut -f2- -d:`
> + echo "!$cmd" > `echo $line | cut -f1 -d:`
Broken whitespaces?
> + done
> +}
> +
> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
> new file mode 100644
> index 0000000..1a94450
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
> @@ -0,0 +1,64 @@
> +#!/bin/sh
> +# description: event trigger - test event enable/disable trigger
> +
> +do_reset() {
> + reset_trigger
> + echo > set_event
> + clear_trace
> +}
> +
> +fail() { #msg
> + do_reset
> + echo $1
> + exit $FAIL
> +}
> +
> +if [ ! -f set_event -o ! -d events/sched ]; then
> + echo "event tracing is not supported"
> + exit_unsupported
> +fi
> +
> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
> + echo "event trigger is not supported"
> + exit_unsupported
> +fi
> +
> +reset_tracer
> +do_reset
> +
> +FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
> +if [ -z "$FEATURE" ]; then
> + echo "event enable/disable trigger is not supported"
> + exit_unsupported
> +fi
> +
> +echo "Test enable_event trigger"
> +echo 0 > events/sched/sched_switch/enable
> +echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
> +( echo "forked")
> +if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
> + fail "enable_event trigger on sched_process_fork did not work"
> +fi
> +
> +reset_trigger
> +
> +echo "Test disable_event trigger"
> +echo 1 > events/sched/sched_switch/enable
> +echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
> +( echo "forked")
> +if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
> + fail "disable_event trigger on sched_process_fork did not work"
> +fi
> +
> +reset_trigger
> +
> +echo "Test semantic error for event enable/disable trigger"
> +! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
> +! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
> +echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
> +! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
> +! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
I don't know whether the '!' sign works for all shells. Btw, what is
the last two lines for?
> +
> +do_reset
> +
> +exit 0
> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
> new file mode 100644
> index 0000000..514e466
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
> @@ -0,0 +1,59 @@
> +#!/bin/sh
> +# description: event trigger - test trigger filter
> +
> +do_reset() {
> + reset_trigger
> + echo > set_event
> + clear_trace
> +}
> +
> +fail() { #msg
> + do_reset
> + echo $1
> + exit $FAIL
> +}
> +
> +if [ ! -f set_event -o ! -d events/sched ]; then
> + echo "event tracing is not supported"
> + exit_unsupported
> +fi
> +
> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
> + echo "event trigger is not supported"
> + exit_unsupported
> +fi
> +
> +reset_tracer
> +do_reset
> +
> +echo "Test trigger filter"
> +echo 1 > tracing_on
> +echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger
What about checking child_comm too to verify complex filter pattern
with string type? Maybe something like below (not tested..)?
echo 'traceoff if child_pid != 0 && child_comm ~ '*sh' > events/.../trigger
Thanks,
Namhyung
> +( echo "forked")
> +if [ `cat tracing_on` -ne 1 ]; then
> + fail "traceoff trigger on sched_process_fork did not work"
> +fi
> +
> +reset_trigger
> +
> +echo "Test semantic error for trigger filter"
> +! echo 'traceoff if a' > events/sched/sched_process_fork/trigger
> +! echo 'traceoff if common_pid=0' > events/sched/sched_process_fork/trigger
> +! echo 'traceoff if common_pid==b' > events/sched/sched_process_fork/trigger
> +echo 'traceoff if common_pid == 0' > events/sched/sched_process_fork/trigger
> +echo '!traceoff' > events/sched/sched_process_fork/trigger
> +! echo 'traceoff if common_pid == child_pid' > events/sched/sched_process_fork/trigger
> +echo 'traceoff if common_pid <= 0' > events/sched/sched_process_fork/trigger
> +echo '!traceoff' > events/sched/sched_process_fork/trigger
> +echo 'traceoff if common_pid >= 0' > events/sched/sched_process_fork/trigger
> +echo '!traceoff' > events/sched/sched_process_fork/trigger
> +echo 'traceoff if parent_pid >= 0 && child_pid >= 0' > events/sched/sched_process_fork/trigger
> +echo '!traceoff' > events/sched/sched_process_fork/trigger
> +echo 'traceoff if parent_pid >= 0 || child_pid >= 0' > events/sched/sched_process_fork/trigger
> +echo '!traceoff' > events/sched/sched_process_fork/trigger
> +
> +
> +
> +do_reset
> +
> +exit 0
> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
> new file mode 100644
> index 0000000..f84b80d
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
> @@ -0,0 +1,56 @@
> +#!/bin/sh
> +# description: event trigger - test snapshot-trigger
> +
> +do_reset() {
> + reset_trigger
> + echo > set_event
> + clear_trace
> +}
> +
> +fail() { #msg
> + do_reset
> + echo $1
> + exit $FAIL
> +}
> +
> +if [ ! -f set_event -o ! -d events/sched ]; then
> + echo "event tracing is not supported"
> + exit_unsupported
> +fi
> +
> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
> + echo "event trigger is not supported"
> + exit_unsupported
> +fi
> +
> +reset_tracer
> +do_reset
> +
> +FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
> +if [ -z "$FEATURE" ]; then
> + echo "snapshot trigger is not supported"
> + exit_unsupported
> +fi
> +
> +echo "Test snapshot tigger"
> +echo 0 > snapshot
> +echo 1 > events/sched/sched_process_fork/enable
> +( echo "forked")
> +echo 'snapshot:1' > events/sched/sched_process_fork/trigger
> +( echo "forked")
> +grep sched_process_fork snapshot > /dev/null || \
> + fail "snapshot trigger on sched_process_fork did not work"
> +
> +reset_trigger
> +echo 0 > snapshot
> +echo 0 > events/sched/sched_process_fork/enable
> +
> +echo "Test snapshot semantic errors"
> +
> +! echo "snapshot+1" > events/sched/sched_process_fork/trigger
> +echo "snapshot" > events/sched/sched_process_fork/trigger
> +! echo "snapshot" > events/sched/sched_process_fork/trigger
> +
> +do_reset
> +
> +exit 0
> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
> new file mode 100644
> index 0000000..9fa23b0
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
> @@ -0,0 +1,53 @@
> +#!/bin/sh
> +# description: event trigger - test stacktrace-trigger
> +
> +do_reset() {
> + reset_trigger
> + echo > set_event
> + clear_trace
> +}
> +
> +fail() { #msg
> + do_reset
> + echo $1
> + exit $FAIL
> +}
> +
> +if [ ! -f set_event -o ! -d events/sched ]; then
> + echo "event tracing is not supported"
> + exit_unsupported
> +fi
> +
> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
> + echo "event trigger is not supported"
> + exit_unsupported
> +fi
> +
> +reset_tracer
> +do_reset
> +
> +FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
> +if [ -z "$FEATURE" ]; then
> + echo "stacktrace trigger is not supported"
> + exit_unsupported
> +fi
> +
> +echo "Test stacktrace tigger"
> +echo 0 > trace
> +echo 0 > options/stacktrace
> +echo 'stacktrace' > events/sched/sched_process_fork/trigger
> +( echo "forked")
> +grep "<stack trace>" trace > /dev/null || \
> + fail "stacktrace trigger on sched_process_fork did not work"
> +
> +reset_trigger
> +
> +echo "Test stacktrace semantic errors"
> +
> +! echo "stacktrace:foo" > events/sched/sched_process_fork/trigger
> +echo "stacktrace" > events/sched/sched_process_fork/trigger
> +! echo "stacktrace" > events/sched/sched_process_fork/trigger
> +
> +do_reset
> +
> +exit 0
> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
> new file mode 100644
> index 0000000..87648e5
> --- /dev/null
> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
> @@ -0,0 +1,58 @@
> +#!/bin/sh
> +# description: event trigger - test traceon/off trigger
> +
> +do_reset() {
> + reset_trigger
> + echo > set_event
> + clear_trace
> +}
> +
> +fail() { #msg
> + do_reset
> + echo $1
> + exit $FAIL
> +}
> +
> +if [ ! -f set_event -o ! -d events/sched ]; then
> + echo "event tracing is not supported"
> + exit_unsupported
> +fi
> +
> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
> + echo "event trigger is not supported"
> + exit_unsupported
> +fi
> +
> +reset_tracer
> +do_reset
> +
> +echo "Test traceoff trigger"
> +echo 1 > tracing_on
> +echo 'traceoff' > events/sched/sched_process_fork/trigger
> +( echo "forked")
> +if [ `cat tracing_on` -ne 0 ]; then
> + fail "traceoff trigger on sched_process_fork did not work"
> +fi
> +
> +reset_trigger
> +
> +echo "Test traceon trigger"
> +echo 0 > tracing_on
> +echo 'traceon' > events/sched/sched_process_fork/trigger
> +( echo "forked")
> +if [ `cat tracing_on` -ne 1 ]; then
> + fail "traceoff trigger on sched_process_fork did not work"
> +fi
> +
> +reset_trigger
> +
> +echo "Test semantic error for traceoff/on trigger"
> +! echo 'traceoff:badparam' > events/sched/sched_process_fork/trigger
> +! echo 'traceoff+0' > events/sched/sched_process_fork/trigger
> +echo 'traceon' > events/sched/sched_process_fork/trigger
> +! echo 'traceon' > events/sched/sched_process_fork/trigger
> +! echo 'traceoff' > events/sched/sched_process_fork/trigger
> +
> +do_reset
> +
> +exit 0
>
On 2015/07/27 18:34, Namhyung Kim wrote:
> Hi Masami,
>
> On Sat, Jul 25, 2015 at 10:13:10AM +0900, Masami Hiramatsu wrote:
>> This adds simple event trigger testcases for ftracetest,
>> which covers following triggers.
>> - traceon-traceoff trigger
>> - enable/disable_event trigger
>> - snapshot trigger
>> - stacktrace trigger
>> - trigger filters
>>
>> Signed-off-by: Masami Hiramatsu <[email protected]>
>> Cc: Steven Rostedt <[email protected]>
>> Cc: Ingo Molnar <[email protected]>
>> Cc: Shuah Khan <[email protected]>
>> Cc: Namhyung Kim <[email protected]>
>> Cc: Tom Zanussi <[email protected]>
>> ---
>> tools/testing/selftests/ftrace/test.d/functions | 9 +++
>> .../ftrace/test.d/trigger/trigger-eventonoff.tc | 64 ++++++++++++++++++++
>> .../ftrace/test.d/trigger/trigger-filter.tc | 59 ++++++++++++++++++
>> .../ftrace/test.d/trigger/trigger-snapshot.tc | 56 ++++++++++++++++++
>> .../ftrace/test.d/trigger/trigger-stacktrace.tc | 53 +++++++++++++++++
>> .../ftrace/test.d/trigger/trigger-traceonoff.tc | 58 ++++++++++++++++++
>> 6 files changed, 299 insertions(+)
>> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
>> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
>> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
>> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
>> create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
>>
>> diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
>> index 5d8cd06..36ca18e 100644
>> --- a/tools/testing/selftests/ftrace/test.d/functions
>> +++ b/tools/testing/selftests/ftrace/test.d/functions
>> @@ -14,3 +14,12 @@ enable_tracing() { # start trace recording
>> reset_tracer() { # reset the current tracer
>> echo nop > current_tracer
>> }
>> +
>> +reset_trigger() { # reset all current setting triggers
>> + grep -v ^# events/*/*/trigger |
>> + while read line; do
>> + cmd=`echo $line | cut -f2- -d:`
>> + echo "!$cmd" > `echo $line | cut -f1 -d:`
>
> Broken whitespaces?
Right, I'll fix that.
>> + done
>> +}
>> +
>> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
>> new file mode 100644
>> index 0000000..1a94450
>> --- /dev/null
>> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
>> @@ -0,0 +1,64 @@
>> +#!/bin/sh
>> +# description: event trigger - test event enable/disable trigger
>> +
>> +do_reset() {
>> + reset_trigger
>> + echo > set_event
>> + clear_trace
>> +}
>> +
>> +fail() { #msg
>> + do_reset
>> + echo $1
>> + exit $FAIL
>> +}
>> +
>> +if [ ! -f set_event -o ! -d events/sched ]; then
>> + echo "event tracing is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
>> + echo "event trigger is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +reset_tracer
>> +do_reset
>> +
>> +FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
>> +if [ -z "$FEATURE" ]; then
>> + echo "event enable/disable trigger is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +echo "Test enable_event trigger"
>> +echo 0 > events/sched/sched_switch/enable
>> +echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
>> +( echo "forked")
>> +if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
>> + fail "enable_event trigger on sched_process_fork did not work"
>> +fi
>> +
>> +reset_trigger
>> +
>> +echo "Test disable_event trigger"
>> +echo 1 > events/sched/sched_switch/enable
>> +echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
>> +( echo "forked")
>> +if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
>> + fail "disable_event trigger on sched_process_fork did not work"
>> +fi
>> +
>> +reset_trigger
>> +
>> +echo "Test semantic error for event enable/disable trigger"
>> +! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
>> +! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
>> +echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
>> +! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
>> +! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
>
> I don't know whether the '!' sign works for all shells. Btw, what is
> the last two lines for?
"!" means that the line must fail. And the last 2 lines means that the enable/disable
event trigger on same target event cannot be registered at once.
>> +
>> +do_reset
>> +
>> +exit 0
>> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
>> new file mode 100644
>> index 0000000..514e466
>> --- /dev/null
>> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
>> @@ -0,0 +1,59 @@
>> +#!/bin/sh
>> +# description: event trigger - test trigger filter
>> +
>> +do_reset() {
>> + reset_trigger
>> + echo > set_event
>> + clear_trace
>> +}
>> +
>> +fail() { #msg
>> + do_reset
>> + echo $1
>> + exit $FAIL
>> +}
>> +
>> +if [ ! -f set_event -o ! -d events/sched ]; then
>> + echo "event tracing is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
>> + echo "event trigger is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +reset_tracer
>> +do_reset
>> +
>> +echo "Test trigger filter"
>> +echo 1 > tracing_on
>> +echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger
>
> What about checking child_comm too to verify complex filter pattern
> with string type? Maybe something like below (not tested..)?
>
> echo 'traceoff if child_pid != 0 && child_comm ~ '*sh' > events/.../trigger
OK, I'll add more complex patterns.
Thanks!
>
> Thanks,
> Namhyung
>
>
>> +( echo "forked")
>> +if [ `cat tracing_on` -ne 1 ]; then
>> + fail "traceoff trigger on sched_process_fork did not work"
>> +fi
>> +
>> +reset_trigger
>> +
>> +echo "Test semantic error for trigger filter"
>> +! echo 'traceoff if a' > events/sched/sched_process_fork/trigger
>> +! echo 'traceoff if common_pid=0' > events/sched/sched_process_fork/trigger
>> +! echo 'traceoff if common_pid==b' > events/sched/sched_process_fork/trigger
>> +echo 'traceoff if common_pid == 0' > events/sched/sched_process_fork/trigger
>> +echo '!traceoff' > events/sched/sched_process_fork/trigger
>> +! echo 'traceoff if common_pid == child_pid' > events/sched/sched_process_fork/trigger
>> +echo 'traceoff if common_pid <= 0' > events/sched/sched_process_fork/trigger
>> +echo '!traceoff' > events/sched/sched_process_fork/trigger
>> +echo 'traceoff if common_pid >= 0' > events/sched/sched_process_fork/trigger
>> +echo '!traceoff' > events/sched/sched_process_fork/trigger
>> +echo 'traceoff if parent_pid >= 0 && child_pid >= 0' > events/sched/sched_process_fork/trigger
>> +echo '!traceoff' > events/sched/sched_process_fork/trigger
>> +echo 'traceoff if parent_pid >= 0 || child_pid >= 0' > events/sched/sched_process_fork/trigger
>> +echo '!traceoff' > events/sched/sched_process_fork/trigger
>> +
>> +
>> +
>> +do_reset
>> +
>> +exit 0
>> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
>> new file mode 100644
>> index 0000000..f84b80d
>> --- /dev/null
>> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
>> @@ -0,0 +1,56 @@
>> +#!/bin/sh
>> +# description: event trigger - test snapshot-trigger
>> +
>> +do_reset() {
>> + reset_trigger
>> + echo > set_event
>> + clear_trace
>> +}
>> +
>> +fail() { #msg
>> + do_reset
>> + echo $1
>> + exit $FAIL
>> +}
>> +
>> +if [ ! -f set_event -o ! -d events/sched ]; then
>> + echo "event tracing is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
>> + echo "event trigger is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +reset_tracer
>> +do_reset
>> +
>> +FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
>> +if [ -z "$FEATURE" ]; then
>> + echo "snapshot trigger is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +echo "Test snapshot tigger"
>> +echo 0 > snapshot
>> +echo 1 > events/sched/sched_process_fork/enable
>> +( echo "forked")
>> +echo 'snapshot:1' > events/sched/sched_process_fork/trigger
>> +( echo "forked")
>> +grep sched_process_fork snapshot > /dev/null || \
>> + fail "snapshot trigger on sched_process_fork did not work"
>> +
>> +reset_trigger
>> +echo 0 > snapshot
>> +echo 0 > events/sched/sched_process_fork/enable
>> +
>> +echo "Test snapshot semantic errors"
>> +
>> +! echo "snapshot+1" > events/sched/sched_process_fork/trigger
>> +echo "snapshot" > events/sched/sched_process_fork/trigger
>> +! echo "snapshot" > events/sched/sched_process_fork/trigger
>> +
>> +do_reset
>> +
>> +exit 0
>> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
>> new file mode 100644
>> index 0000000..9fa23b0
>> --- /dev/null
>> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
>> @@ -0,0 +1,53 @@
>> +#!/bin/sh
>> +# description: event trigger - test stacktrace-trigger
>> +
>> +do_reset() {
>> + reset_trigger
>> + echo > set_event
>> + clear_trace
>> +}
>> +
>> +fail() { #msg
>> + do_reset
>> + echo $1
>> + exit $FAIL
>> +}
>> +
>> +if [ ! -f set_event -o ! -d events/sched ]; then
>> + echo "event tracing is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
>> + echo "event trigger is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +reset_tracer
>> +do_reset
>> +
>> +FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
>> +if [ -z "$FEATURE" ]; then
>> + echo "stacktrace trigger is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +echo "Test stacktrace tigger"
>> +echo 0 > trace
>> +echo 0 > options/stacktrace
>> +echo 'stacktrace' > events/sched/sched_process_fork/trigger
>> +( echo "forked")
>> +grep "<stack trace>" trace > /dev/null || \
>> + fail "stacktrace trigger on sched_process_fork did not work"
>> +
>> +reset_trigger
>> +
>> +echo "Test stacktrace semantic errors"
>> +
>> +! echo "stacktrace:foo" > events/sched/sched_process_fork/trigger
>> +echo "stacktrace" > events/sched/sched_process_fork/trigger
>> +! echo "stacktrace" > events/sched/sched_process_fork/trigger
>> +
>> +do_reset
>> +
>> +exit 0
>> diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
>> new file mode 100644
>> index 0000000..87648e5
>> --- /dev/null
>> +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
>> @@ -0,0 +1,58 @@
>> +#!/bin/sh
>> +# description: event trigger - test traceon/off trigger
>> +
>> +do_reset() {
>> + reset_trigger
>> + echo > set_event
>> + clear_trace
>> +}
>> +
>> +fail() { #msg
>> + do_reset
>> + echo $1
>> + exit $FAIL
>> +}
>> +
>> +if [ ! -f set_event -o ! -d events/sched ]; then
>> + echo "event tracing is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +if [ ! -f events/sched/sched_process_fork/trigger ]; then
>> + echo "event trigger is not supported"
>> + exit_unsupported
>> +fi
>> +
>> +reset_tracer
>> +do_reset
>> +
>> +echo "Test traceoff trigger"
>> +echo 1 > tracing_on
>> +echo 'traceoff' > events/sched/sched_process_fork/trigger
>> +( echo "forked")
>> +if [ `cat tracing_on` -ne 0 ]; then
>> + fail "traceoff trigger on sched_process_fork did not work"
>> +fi
>> +
>> +reset_trigger
>> +
>> +echo "Test traceon trigger"
>> +echo 0 > tracing_on
>> +echo 'traceon' > events/sched/sched_process_fork/trigger
>> +( echo "forked")
>> +if [ `cat tracing_on` -ne 1 ]; then
>> + fail "traceoff trigger on sched_process_fork did not work"
>> +fi
>> +
>> +reset_trigger
>> +
>> +echo "Test semantic error for traceoff/on trigger"
>> +! echo 'traceoff:badparam' > events/sched/sched_process_fork/trigger
>> +! echo 'traceoff+0' > events/sched/sched_process_fork/trigger
>> +echo 'traceon' > events/sched/sched_process_fork/trigger
>> +! echo 'traceon' > events/sched/sched_process_fork/trigger
>> +! echo 'traceoff' > events/sched/sched_process_fork/trigger
>> +
>> +do_reset
>> +
>> +exit 0
>>
--
Masami HIRAMATSU
Linux Technology Research Center, System Productivity Research Dept.
Center for Technology Innovation - Systems Engineering
Hitachi, Ltd., Research & Development Group
E-mail: [email protected]