mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-12 12:30:17 +01:00
Steven Rostedt (Red Hat)
dd6dda27a8
Add tracefs_configured() to return true if tracefs is configured in the kernel (succeeds to find tracefs), and debugfs_configured() if debugfs is configured in the kernel (succeeds to find debugfs). Signed-off-by: Steven Rostedt <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Masami Hiramatsu <[email protected]> Cc: Namhyung Kim <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
22 lines
476 B
C
22 lines
476 B
C
#ifndef __API_TRACEFS_H__
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#define __API_TRACEFS_H__
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#include "findfs.h"
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#ifndef TRACEFS_MAGIC
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#define TRACEFS_MAGIC 0x74726163
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#endif
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#ifndef PERF_TRACEFS_ENVIRONMENT
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#define PERF_TRACEFS_ENVIRONMENT "PERF_TRACEFS_DIR"
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#endif
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bool tracefs_configured(void);
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const char *tracefs_find_mountpoint(void);
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int tracefs_valid_mountpoint(const char *debugfs);
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char *tracefs_mount(const char *mountpoint);
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extern char tracefs_mountpoint[];
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#endif /* __API_DEBUGFS_H__ */
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