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2cc990ba3a
There will be other cases where not just a tracepoint event is being opened below the debugfs mountpoint, but it is rather common, so provide one helper for that. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-q6e6zct49ql6nbcw8kkg0lbj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
32 lines
805 B
C
32 lines
805 B
C
#ifndef __API_DEBUGFS_H__
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#define __API_DEBUGFS_H__
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#define _STR(x) #x
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#define STR(x) _STR(x)
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/*
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* On most systems <limits.h> would have given us this, but not on some systems
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* (e.g. GNU/Hurd).
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*/
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#ifndef PATH_MAX
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#define PATH_MAX 4096
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#endif
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#ifndef DEBUGFS_MAGIC
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#define DEBUGFS_MAGIC 0x64626720
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#endif
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#ifndef PERF_DEBUGFS_ENVIRONMENT
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#define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
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#endif
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const char *debugfs_find_mountpoint(void);
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int debugfs_valid_mountpoint(const char *debugfs);
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char *debugfs_mount(const char *mountpoint);
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extern char debugfs_mountpoint[];
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int debugfs__strerror_open(int err, char *buf, size_t size, const char *filename);
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int debugfs__strerror_open_tp(int err, char *buf, size_t size, const char *sys, const char *name);
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#endif /* __API_DEBUGFS_H__ */
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