From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../inter-event/trigger-extended-error-support.tc | 39 ++++++++++ .../inter-event/trigger-field-variable-support.tc | 54 ++++++++++++++ .../trigger-inter-event-combined-hist.tc | 58 +++++++++++++++ .../inter-event/trigger-multi-actions-accept.tc | 44 ++++++++++++ .../inter-event/trigger-onmatch-action-hist.tc | 50 +++++++++++++ .../trigger-onmatch-onmax-action-hist.tc | 50 +++++++++++++ .../inter-event/trigger-onmax-action-hist.tc | 48 +++++++++++++ .../trigger-synthetic-event-createremove.tc | 54 ++++++++++++++ .../inter-event/trigger-synthetic-event-syntax.tc | 80 +++++++++++++++++++++ .../ftrace/test.d/trigger/trigger-eventonoff.tc | 66 +++++++++++++++++ .../ftrace/test.d/trigger/trigger-filter.tc | 61 ++++++++++++++++ .../ftrace/test.d/trigger/trigger-hist-mod.tc | 76 ++++++++++++++++++++ .../ftrace/test.d/trigger/trigger-hist.tc | 84 ++++++++++++++++++++++ .../ftrace/test.d/trigger/trigger-multihist.tc | 74 +++++++++++++++++++ .../ftrace/test.d/trigger/trigger-snapshot.tc | 62 ++++++++++++++++ .../ftrace/test.d/trigger/trigger-stacktrace.tc | 54 ++++++++++++++ .../test.d/trigger/trigger-trace-marker-hist.tc | 49 +++++++++++++ .../trigger/trigger-trace-marker-snapshot.tc | 74 +++++++++++++++++++ .../trigger-trace-marker-synthetic-kernel.tc | 68 ++++++++++++++++++ .../trigger/trigger-trace-marker-synthetic.tc | 66 +++++++++++++++++ .../ftrace/test.d/trigger/trigger-traceonoff.tc | 59 +++++++++++++++ 21 files changed, 1270 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc 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-hist-mod.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.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-trace-marker-hist.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-snapshot.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic-kernel.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc create mode 100644 tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc (limited to 'tools/testing/selftests/ftrace/test.d/trigger') diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc new file mode 100644 index 000000000..2aabab363 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc @@ -0,0 +1,39 @@ +#!/bin/sh +# description: event trigger - test extended error support + + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +echo "Test extended error support" +echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger +! echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 2> /dev/null +if ! grep -q "ERROR:" events/sched/sched_wakeup/hist; then + fail "Failed to generate extended error in histogram" +fi + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc new file mode 100644 index 000000000..7fd5b4a8f --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc @@ -0,0 +1,54 @@ +#!/bin/sh +# description: event trigger - test field variable support + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +clear_synthetic_events +reset_tracer +do_reset + +echo "Test field variable support" + +echo 'wakeup_latency u64 lat; pid_t pid; int prio; char comm[16]' > synthetic_events +echo 'hist:keys=comm:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger +echo 'hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup_latency($wakeup_lat,next_pid,sched.sched_waking.prio,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger +echo 'hist:keys=pid,prio,comm:vals=lat:sort=pid,prio' > events/synthetic/wakeup_latency/trigger + +ping localhost -c 3 +if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then + fail "Failed to create inter-event histogram" +fi + +if ! grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then + fail "Failed to create histogram with field variable" +fi + +echo '!hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup_latency($wakeup_lat,next_pid,sched.sched_waking.prio,next_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger + +if grep -q "synthetic_prio=prio" events/sched/sched_waking/hist; then + fail "Failed to remove histogram with field variable" +fi + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc new file mode 100644 index 000000000..c93dbe38b --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc @@ -0,0 +1,58 @@ +#!/bin/sh +# description: event trigger - test inter-event combined histogram trigger + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +reset_tracer +do_reset +clear_synthetic_events + +echo "Test create synthetic event" + +echo 'waking_latency u64 lat pid_t pid' > synthetic_events +if [ ! -d events/synthetic/waking_latency ]; then + fail "Failed to create waking_latency synthetic event" +fi + +echo "Test combined histogram" + +echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger +echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_latency($waking_lat,pid) if comm=="ping"' > events/sched/sched_wakeup/trigger +echo 'hist:keys=pid,lat:sort=pid,lat' > events/synthetic/waking_latency/trigger + +echo 'wakeup_latency u64 lat pid_t pid' >> synthetic_events +echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger +echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid) if next_comm=="ping"' > events/sched/sched_switch/trigger + +echo 'waking+wakeup_latency u64 lat; pid_t pid' >> synthetic_events +echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking+wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger +echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking+wakeup_latency/trigger + +ping localhost -c 3 +if ! grep -q "pid:" events/synthetic/waking+wakeup_latency/hist; then + fail "Failed to create combined histogram" +fi + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc new file mode 100644 index 000000000..c193dce61 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc @@ -0,0 +1,44 @@ +#!/bin/sh +# description: event trigger - test multiple actions on hist trigger + + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +clear_synthetic_events +reset_tracer +do_reset + +echo "Test multiple actions on hist trigger" +echo 'wakeup_latency u64 lat; pid_t pid' >> synthetic_events +TRIGGER1=events/sched/sched_wakeup/trigger +TRIGGER2=events/sched/sched_switch/trigger + +echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="cyclictest"' > $TRIGGER1 +echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0 if next_comm=="cyclictest"' >> $TRIGGER2 +echo 'hist:keys=next_pid:onmatch(sched.sched_wakeup).wakeup_latency(sched.sched_switch.$wakeup_lat,next_pid) if next_comm=="cyclictest"' >> $TRIGGER2 +echo 'hist:keys=next_pid:onmatch(sched.sched_wakeup).wakeup_latency(sched.sched_switch.$wakeup_lat,prev_pid) if next_comm=="cyclictest"' >> $TRIGGER2 +echo 'hist:keys=next_pid if next_comm=="cyclictest"' >> $TRIGGER2 + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc new file mode 100644 index 000000000..e84e7d048 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc @@ -0,0 +1,50 @@ +#!/bin/sh +# description: event trigger - test inter-event histogram trigger onmatch action + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +clear_synthetic_events +reset_tracer +do_reset + +echo "Test create synthetic event" + +echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events +if [ ! -d events/synthetic/wakeup_latency ]; then + fail "Failed to create wakeup_latency synthetic event" +fi + +echo "Test create histogram for synthetic event" +echo "Test histogram variables,simple expression support and onmatch action" + +echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger +echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger +echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger +ping localhost -c 5 +if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then + fail "Failed to create onmatch action inter-event histogram" +fi + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc new file mode 100644 index 000000000..7907d8aac --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc @@ -0,0 +1,50 @@ +#!/bin/sh +# description: event trigger - test inter-event histogram trigger onmatch-onmax action + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +clear_synthetic_events +reset_tracer +do_reset + +echo "Test create synthetic event" + +echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events +if [ ! -d events/synthetic/wakeup_latency ]; then + fail "Failed to create wakeup_latency synthetic event" +fi + +echo "Test create histogram for synthetic event" +echo "Test histogram variables,simple expression support and onmatch-onmax action" + +echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger +echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid,next_comm):onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger +echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger +ping localhost -c 5 +if [ ! grep -q "ping" events/synthetic/wakeup_latency/hist -o ! grep -q "max:" events/sched/sched_switch/hist]; then + fail "Failed to create onmatch-onmax action inter-event histogram" +fi + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc new file mode 100644 index 000000000..38b7ed624 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc @@ -0,0 +1,48 @@ +#!/bin/sh +# description: event trigger - test inter-event histogram trigger onmax action + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +clear_synthetic_events +reset_tracer +do_reset + +echo "Test create synthetic event" + +echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events +if [ ! -d events/synthetic/wakeup_latency ]; then + fail "Failed to create wakeup_latency synthetic event" +fi + +echo "Test onmax action" + +echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger +echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger +ping localhost -c 3 +if ! grep -q "max:" events/sched/sched_switch/hist; then + fail "Failed to create onmax action inter-event histogram" +fi + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc new file mode 100644 index 000000000..c604438df --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc @@ -0,0 +1,54 @@ +#!/bin/sh +# description: event trigger - test synthetic event create remove +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +clear_synthetic_events +reset_tracer +do_reset + +echo "Test create synthetic event" + +echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events +if [ ! -d events/synthetic/wakeup_latency ]; then + fail "Failed to create wakeup_latency synthetic event" +fi + +reset_trigger + +echo "Test remove synthetic event" +echo '!wakeup_latency u64 lat pid_t pid char comm[16]' >> synthetic_events +if [ -d events/synthetic/wakeup_latency ]; then + fail "Failed to delete wakeup_latency synthetic event" +fi + +reset_trigger + +echo "Test create synthetic event with an error" +echo 'wakeup_latency u64 lat pid_t pid char' > synthetic_events > /dev/null +if [ -d events/synthetic/wakeup_latency ]; then + fail "Created wakeup_latency synthetic event with an invalid format" +fi + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc new file mode 100644 index 000000000..88e6c3f43 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc @@ -0,0 +1,80 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test synthetic_events syntax parser + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +echo "Test synthetic_events syntax parser" + +echo > synthetic_events + +# synthetic event must have a field +! echo "myevent" >> synthetic_events +echo "myevent u64 var1" >> synthetic_events + +# synthetic event must be found in synthetic_events +grep "myevent[[:space:]]u64 var1" synthetic_events + +# it is not possible to add same name event +! echo "myevent u64 var2" >> synthetic_events + +# Non-append open will cleanup all events and add new one +echo "myevent u64 var2" > synthetic_events + +# multiple fields with different spaces +echo "myevent u64 var1; u64 var2;" > synthetic_events +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events +echo "myevent u64 var1 ; u64 var2 ;" > synthetic_events +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events +echo "myevent u64 var1 ;u64 var2" > synthetic_events +grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events + +# test field types +echo "myevent u32 var" > synthetic_events +echo "myevent u16 var" > synthetic_events +echo "myevent u8 var" > synthetic_events +echo "myevent s64 var" > synthetic_events +echo "myevent s32 var" > synthetic_events +echo "myevent s16 var" > synthetic_events +echo "myevent s8 var" > synthetic_events + +echo "myevent char var" > synthetic_events +echo "myevent int var" > synthetic_events +echo "myevent long var" > synthetic_events +echo "myevent pid_t var" > synthetic_events + +echo "myevent unsigned char var" > synthetic_events +echo "myevent unsigned int var" > synthetic_events +echo "myevent unsigned long var" > synthetic_events +grep "myevent[[:space:]]unsigned long var" synthetic_events + +# test string type +echo "myevent char var[10]" > synthetic_events +grep "myevent[[:space:]]char\[10\] var" synthetic_events + +do_reset + +exit 0 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 000000000..28cc355a3 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc @@ -0,0 +1,66 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test event enable/disable trigger +# flags: instance + +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 000000000..a48e23eb8 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc @@ -0,0 +1,61 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test trigger filter +# flags: instance + +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-hist-mod.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc new file mode 100644 index 000000000..8da80efc4 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc @@ -0,0 +1,76 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test histogram modifiers +# flags: instance + +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 + +if [ ! -f events/sched/sched_process_fork/hist ]; then + echo "hist trigger is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +echo "Test histogram with execname modifier" + +echo 'hist:keys=common_pid.execname' > events/sched/sched_process_fork/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +COMM=`cat /proc/$$/comm` +grep "common_pid: $COMM" events/sched/sched_process_fork/hist > /dev/null || \ + fail "execname modifier on sched_process_fork did not work" + +reset_trigger + +echo "Test histogram with hex modifier" + +echo 'hist:keys=parent_pid.hex' > events/sched/sched_process_fork/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +# Note that $$ is the parent pid. $PID is current PID. +HEX=`printf %x $PID` +grep "parent_pid: $HEX" events/sched/sched_process_fork/hist > /dev/null || \ + fail "hex modifier on sched_process_fork did not work" + +reset_trigger + +echo "Test histogram with syscall modifier" + +echo 'hist:keys=id.syscall' > events/raw_syscalls/sys_exit/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep "id: \(unknown_\|sys_\)" events/raw_syscalls/sys_exit/hist > /dev/null || \ + fail "syscall modifier on raw_syscalls/sys_exit did not work" + + +reset_trigger + +echo "Test histgram with log2 modifier" + +echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \ + fail "log2 modifier on kmem/kmalloc did not work" + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc new file mode 100644 index 000000000..449fe9ff9 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc @@ -0,0 +1,84 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test histogram trigger +# flags: instance + +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 + +if [ ! -f events/sched/sched_process_fork/hist ]; then + echo "hist trigger is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +echo "Test histogram basic tigger" + +echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \ + fail "hist trigger on sched_process_fork did not work" +grep child events/sched/sched_process_fork/hist > /dev/null || \ + fail "hist trigger on sched_process_fork did not work" + +reset_trigger + +echo "Test histogram with compound keys" + +echo 'hist:keys=parent_pid,child_pid' > events/sched/sched_process_fork/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep '^{ parent_pid:.*, child_pid:.*}' events/sched/sched_process_fork/hist > /dev/null || \ + fail "compound keys on sched_process_fork did not work" + +reset_trigger + +echo "Test histogram with string key" + +echo 'hist:keys=parent_comm' > events/sched/sched_process_fork/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +COMM=`cat /proc/$$/comm` +grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \ + fail "string key on sched_process_fork did not work" + +reset_trigger + +echo "Test histogram with sort key" + +echo 'hist:keys=parent_pid,child_pid:sort=child_pid.ascending' > events/sched/sched_process_fork/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done + +check_inc() { + while [ $# -gt 1 ]; do + [ $1 -gt $2 ] && return 1 + shift 1 + done + return 0 +} +check_inc `grep -o "child_pid:[[:space:]]*[[:digit:]]*" \ + events/sched/sched_process_fork/hist | cut -d: -f2 ` || + fail "sort param on sched_process_fork did not work" + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc new file mode 100644 index 000000000..c5ef8b9d0 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc @@ -0,0 +1,74 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test multiple histogram triggers +# flags: instance + +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 + +if [ ! -f events/sched/sched_process_fork/hist ]; then + echo "hist trigger is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +reset_trigger + +echo "Test histogram multiple tiggers" + +echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger +echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \ + fail "hist trigger on sched_process_fork did not work" +grep child events/sched/sched_process_fork/hist > /dev/null || \ + fail "hist trigger on sched_process_fork did not work" +COMM=`cat /proc/$$/comm` +grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \ + fail "string key on sched_process_fork did not work" + +reset_trigger + +echo "Test histogram with its name" + +echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep test_hist events/sched/sched_process_fork/hist > /dev/null || \ + fail "named event on sched_process_fork did not work" + +echo "Test same named histogram on different events" + +echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep test_hist events/sched/sched_process_exit/hist > /dev/null || \ + fail "named event on sched_process_fork did not work" + +diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l` +test $diffs -eq 0 || fail "Same name histograms are not same" + +reset_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 000000000..ed38f0050 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc @@ -0,0 +1,62 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test snapshot-trigger + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event -o ! -d events/sched ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f events/sched/sched_process_fork/trigger ]; then + echo "event trigger is not supported" + exit_unsupported +fi + +if [ ! -f snapshot ]; then + echo "snapshot is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +FEATURE=`grep snapshot events/sched/sched_process_fork/trigger` +if [ -z "$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 000000000..3121d795a --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc @@ -0,0 +1,54 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# 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 "" 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-trace-marker-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-hist.tc new file mode 100644 index 000000000..2acbfe2c0 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-hist.tc @@ -0,0 +1,49 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: trace_marker trigger - test histogram trigger +# flags: instance + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -d events/ftrace/print ]; then + echo "event trace_marker is not supported" + exit_unsupported +fi + +if [ ! -f events/ftrace/print/trigger ]; then + echo "event trigger is not supported" + exit_unsupported +fi + +if [ ! -f events/ftrace/print/hist ]; then + echo "hist trigger is not supported" + exit_unsupported +fi + +do_reset + +echo "Test histogram trace_marker tigger" + +echo 'hist:keys=common_pid' > events/ftrace/print/trigger +for i in `seq 1 10` ; do echo "hello" > trace_marker; done +grep 'hitcount: *10$' events/ftrace/print/hist > /dev/null || \ + fail "hist trigger did not trigger correct times on trace_marker" + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-snapshot.tc new file mode 100644 index 000000000..6748e8cb4 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-snapshot.tc @@ -0,0 +1,74 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: trace_marker trigger - test snapshot trigger +# flags: instance + +do_reset() { + reset_trigger + echo > set_event + echo 0 > snapshot + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f snapshot ]; then + echo "snapshot is not supported" + exit_unsupported +fi + +if [ ! -d events/ftrace/print ]; then + echo "event trace_marker is not supported" + exit_unsupported +fi + +if [ ! -f events/ftrace/print/trigger ]; then + echo "event trigger is not supported" + exit_unsupported +fi + +test_trace() { + file=$1 + x=$2 + + cat $file | while read line; do + comment=`echo $line | sed -e 's/^#//'` + if [ "$line" != "$comment" ]; then + continue + fi + echo "testing $line for >$x<" + match=`echo $line | sed -e "s/>$x$x< in it" + fi + let x=$x+2 + done +} + +do_reset + +echo "Test snapshot trace_marker tigger" + +echo 'snapshot' > events/ftrace/print/trigger + +# make sure the snapshot is allocated + +grep -q 'Snapshot is allocated' snapshot + +for i in `seq 1 10` ; do echo "hello >$i<" > trace_marker; done + +test_trace trace 1 +test_trace snapshot 2 + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic-kernel.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic-kernel.tc new file mode 100644 index 000000000..0a69c5d1c --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic-kernel.tc @@ -0,0 +1,68 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: trace_marker trigger - test histogram with synthetic event against kernel event +# flags: + +do_reset() { + reset_trigger + echo > set_event + echo > synthetic_events + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic events not supported" + exit_unsupported +fi + +if [ ! -d events/ftrace/print ]; then + echo "event trace_marker is not supported" + exit_unsupported +fi + +if [ ! -d events/sched/sched_waking ]; then + echo "event sched_waking is not supported" + exit_unsupported +fi + +if [ ! -f events/ftrace/print/trigger ]; then + echo "event trigger is not supported" + exit_unsupported +fi + +if [ ! -f events/ftrace/print/hist ]; then + echo "hist trigger is not supported" + exit_unsupported +fi + +do_reset + +echo "Test histogram kernel event to trace_marker latency histogram trigger" + +echo 'latency u64 lat' > synthetic_events +echo 'hist:keys=pid:ts0=common_timestamp.usecs' > events/sched/sched_waking/trigger +echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).latency($lat)' > events/ftrace/print/trigger +echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger +sleep 1 +echo "hello" > trace_marker + +grep 'hitcount: *1$' events/ftrace/print/hist > /dev/null || \ + fail "hist trigger did not trigger correct times on trace_marker" + +grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \ + fail "hist trigger did not trigger " + +do_reset + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc new file mode 100644 index 000000000..3666dd6ab --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc @@ -0,0 +1,66 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: trace_marker trigger - test histogram with synthetic event +# flags: + +do_reset() { + reset_trigger + echo > set_event + echo > synthetic_events + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic events not supported" + exit_unsupported +fi + +if [ ! -d events/ftrace/print ]; then + echo "event trace_marker is not supported" + exit_unsupported +fi + +if [ ! -f events/ftrace/print/trigger ]; then + echo "event trigger is not supported" + exit_unsupported +fi + +if [ ! -f events/ftrace/print/hist ]; then + echo "hist trigger is not supported" + exit_unsupported +fi + +do_reset + +echo "Test histogram trace_marker to trace_marker latency histogram trigger" + +echo 'latency u64 lat' > synthetic_events +echo 'hist:keys=common_pid:ts0=common_timestamp.usecs if buf == "start"' > events/ftrace/print/trigger +echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) if buf == "end"' >> events/ftrace/print/trigger +echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger +echo -n "start" > trace_marker +echo -n "end" > trace_marker + +cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l` + +if [ $cnt -ne 2 ]; then + fail "hist trace_marker trigger did not trigger correctly" +fi + +grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \ + fail "hist trigger did not 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 000000000..c59d9eb54 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc @@ -0,0 +1,59 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# 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 -- cgit v1.2.3