selftests/ftrace: Remove trigger-extended-error-support testcase

Error handling has been moved to the common tracing/error_log, so this
test is no longer valid.

Link: http://lkml.kernel.org/r/876[e-mail]

Acked-by: Masami Hiramatsu <[e-mail]>
Acked-by: Namhyung Kim <[e-mail]>
Signed-off-by: Tom Zanussi <[e-mail]>
Signed-off-by: Steven Rostedt (VMware) <[e-mail]>

tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc

···
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-# description: event trigger - test extended error support
-
-
-fail() { #msg
-    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
-
-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
-
-exit 0