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994025cab xen: add debugfs support ... Browse Code »

Add support for exporting statistics on mmu updates, multicall
batching and pv spinlocks into debugfs. The base path is xen/ and
each subsystem adds its own directory: mmu, multicalls, spinlocks.

In each directory, writing 1 to "zero_stats" will cause the
corresponding stats to be zeroed the next time they're updated.

Signed-off-by: Jeremy Fitzhardinge
Acked-by: Jan Beulich
Signed-off-by: Ingo Molnar

Jeremy Fitzhardinge
2008-08-21 19:52:58 +0800

debugfs.h 272 Bytes

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#ifndef _XEN_DEBUGFS_H
#define _XEN_DEBUGFS_H

struct dentry * __init xen_init_debugfs(void);

struct dentry *xen_debugfs_create_u32_array(const char *name, mode_t mode,
					    struct dentry *parent,
					    u32 *array, unsigned elements);

#endif /* _XEN_DEBUGFS_H */