add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/perf/ui/browser.h
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@@ -4,6 +4,7 @@
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 #include <linux/types.h>
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 #include <stdarg.h>
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+#include <sys/types.h>
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 #define HE_COLORSET_TOP		50
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 #define HE_COLORSET_MEDIUM	51
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@@ -22,6 +23,7 @@
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 	void	      *priv;
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 	const char    *title;
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 	char	      *helpline;
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+	const char    *no_samples_msg;
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 	void 	      (*refresh_dimensions)(struct ui_browser *browser);
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 	unsigned int  (*refresh)(struct ui_browser *browser);
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 	void	      (*write)(struct ui_browser *browser, void *entry, int row);