add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/tools/testing/selftests/ftrace/test.d/functions
..
..
@@ -1,4 +1,3 @@
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-
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 clear_trace() { # reset trace output
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     echo > trace
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 }
..
..
@@ -46,6 +45,9 @@
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 }
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 reset_ftrace_filter() { # reset all triggers in set_ftrace_filter
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+    if [ ! -f set_ftrace_filter ]; then
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+      return 0
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+    fi
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     echo > set_ftrace_filter
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     grep -v '^#' set_ftrace_filter | while read t; do
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 	tr=`echo $t | cut -d: -f2`
..
..
@@ -89,12 +91,65 @@
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     reset_tracer
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     reset_trigger
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     reset_events_filter
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+    reset_ftrace_filter
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     disable_events
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-    echo > set_event_pid	# event tracer is always on
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-    [ -f set_ftrace_filter ] && echo | tee set_ftrace_*
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+    [ -f set_event_pid ] && echo > set_event_pid
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+    [ -f set_ftrace_pid ] && echo > set_ftrace_pid
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+    [ -f set_ftrace_notrace ] && echo > set_ftrace_notrace
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     [ -f set_graph_function ] && echo | tee set_graph_*
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     [ -f stack_trace_filter ] && echo > stack_trace_filter
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     [ -f kprobe_events ] && echo > kprobe_events
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     [ -f uprobe_events ] && echo > uprobe_events
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+    [ -f synthetic_events ] && echo > synthetic_events
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+    [ -f snapshot ] && echo 0 > snapshot
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+    clear_trace
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     enable_tracing
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 }
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+
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+check_requires() { # Check required files and tracers
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+    for i in "$@" ; do
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+        r=${i%:README}
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+        t=${i%:tracer}
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+        if [ $t != $i ]; then
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+            if ! grep -wq $t available_tracers ; then
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+                echo "Required tracer $t is not configured."
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+                exit_unsupported
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+            fi
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+        elif [ "$r" != "$i" ]; then
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+            if ! grep -Fq "$r" README ; then
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+                echo "Required feature pattern \"$r\" is not in README."
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+                exit_unsupported
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+            fi
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+        elif [ ! -e $i ]; then
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+            echo "Required feature interface $i doesn't exist."
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+            exit_unsupported
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+        fi
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+    done
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+}
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+
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+LOCALHOST=127.0.0.1
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+
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+yield() {
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+    ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1
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+}
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+
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+# The fork function in the kernel was renamed from "_do_fork" to
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+# "kernel_fork". As older tests should still work with older kernels
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+# as well as newer kernels, check which version of fork is used on this
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+# kernel so that the tests can use the fork function for the running kernel.
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+FUNCTION_FORK=`(if grep '\bkernel_clone\b' /proc/kallsyms > /dev/null; then
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+                echo kernel_clone; else echo '_do_fork'; fi)`
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+
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+# Since probe event command may include backslash, explicitly use printf "%s"
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+# to NOT interpret it.
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+ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file
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+    pos=$(printf "%s" "${2%^*}" | wc -c) # error position
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+    command=$(printf "%s" "$2" | tr -d ^)
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+    echo "Test command: $command"
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+    echo > error_log
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+    (! printf "%s" "$command" >> "$3" ) 2> /dev/null
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+    grep "$1: error:" -A 3 error_log
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+    N=$(tail -n 1 error_log | wc -c)
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+    # "  Command: " and "^\n" => 13
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+    test $(expr 13 + $pos) -eq $N
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+}