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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
tree | d6d89a12e7eb8017837c057935a2271290907f76 /tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc | |
parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc')
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc | 74 |
1 files changed, 74 insertions, 0 deletions
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..0bf508528 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc @@ -0,0 +1,74 @@ +#!/bin/sh +# description: event trigger - test histogram modifiers + +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: 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 |