kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc
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@@ -1,6 +1,7 @@
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 #!/bin/sh
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 # SPDX-License-Identifier: GPL-2.0
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 # description: ftrace - function profiler with function tracing
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+# requires: function_profile_enabled set_ftrace_filter function_graph:tracer
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 # There was a bug after a rewrite of the ftrace infrastructure that
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 # caused the function_profiler not to be able to run with the function
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@@ -13,24 +14,8 @@
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 # This test triggers those bugs on those kernels.
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 #
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 # We need function_graph and profiling to to run this test
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-if ! grep -q function_graph available_tracers; then
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-    echo "no function graph tracer configured"
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-    exit_unsupported;
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-fi
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-
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-if [ ! -f set_ftrace_filter ]; then
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-    echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
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-    exit_unsupported
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-fi
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-
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-if [ ! -f function_profile_enabled ]; then
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-    echo "function_profile_enabled not found, function profiling enabled?"
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-    exit_unsupported
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-fi
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 fail() { # mesg
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-    reset_tracer
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-    echo > set_ftrace_filter
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     echo $1
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     exit_fail
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 }
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@@ -75,7 +60,5 @@
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 	cat trace
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 	fail "no other functions besides schedule was found"
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 fi
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-
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-reset_tracer
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 exit 0