Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

selftests/ftrace: Add trace_printk sample module test

Add trace_printk sample module test. This requires to
enable trace_printk.ko module for test.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>

authored by

Masami Hiramatsu and committed by
Shuah Khan (Samsung OSG)
4d23e9b4 873b4af2

+27
+27
tools/testing/selftests/ftrace/test.d/event/trace_printk.tc
··· 1 + #!/bin/sh 2 + # SPDX-License-Identifier: GPL-2.0 3 + # description: Test trace_printk from module 4 + 5 + rmmod trace-printk ||: 6 + if ! modprobe trace-printk ; then 7 + echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK=m" 8 + exit_unresolved; 9 + fi 10 + 11 + echo "Waiting for irq work" 12 + sleep 1 13 + 14 + grep -q ": This .* trace_bputs" trace 15 + grep -q ": This .* trace_puts" trace 16 + grep -q ": This .* trace_bprintk" trace 17 + grep -q ": This .* trace_printk" trace 18 + 19 + grep -q ": (irq) .* trace_bputs" trace 20 + grep -q ": (irq) .* trace_puts" trace 21 + grep -q ": (irq) .* trace_bprintk" trace 22 + grep -q ": (irq) .* trace_printk" trace 23 + 24 + grep -q "This is a %s that will use trace_bprintk" printk_formats 25 + grep -q "(irq) This is a static string that will use trace_bputs" printk_formats 26 + 27 + rmmod trace-printk ||: