add support 4g -- >ppp

hc

2023-11-24 2b26ab132d1b33b91c84c6d732456200e8c5ee77

 kernel/tools/perf/tests/bp_account.c
..
..
@@ -22,7 +22,7 @@
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 #include "perf.h"
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 #include "cloexec.h"
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-volatile long the_var;
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+static volatile long the_var;
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 static noinline int test_function(void)
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 {