perf arm64: Handle __NR3264_ prefixed syscall number
After commit 9854e7ad35
("perf arm64: Simplify mksyscalltbl"),
in the generated syscall table file syscalls.c, there exist some
__NR3264_ prefixed syscall numbers such as [__NR3264_ftruncate],
it looks like not so good, just do some small filter operations
to handle __NR3264_ prefixed syscall number as a digital number.
Without this patch:
[__NR3264_ftruncate] = "ftruncate",
With this patch:
[46] = "ftruncate",
Suggested-by: Alexander Kapshuk <alexander.kapshuk@gmail.com>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: loongarch@lists.linux.dev
Link: https://lore.kernel.org/r/1685441401-8709-4-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -40,6 +40,7 @@ create_table()
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}
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$gcc -E -dM -x c -I $incpath/include/uapi $input \
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|sed -ne 's/^#define __NR_//p' \
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|sort -t' ' -k2 -n \
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|awk '$2 ~ "__NR" && $3 !~ "__NR3264_" {
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sub("^#define __NR(3264)?_", "");
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print | "sort -k2 -n"}' \
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|create_table
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