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RAS, debugfs: Add debugfs interface for RAS subsystem

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Implement a new debugfs interface for RAS susbsystem.
A file named daemon_active is added there accordingly.
This file is used to track if user space daemon accesses
perf/trace interface or not. One can track which daemon
opens it via "lsof /path/to/debugfs/ras/daemon_active".

Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
Link: http://lkml.kernel.org/r/1402475691-30045-5-git-send-email-gong.chen@linux.intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Chen, Gong 2014-06-11 14:02:20 -07:00 • committed by Tony Luck
parent 3760cd2040
commit d963cd95be
4 changed files with 85 additions and 1 deletions
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14
include/linux/ras.h Normal file
View file

@ -0,0 +1,14 @@
#ifndef __RAS_H__
#define __RAS_H__
#ifdef CONFIG_DEBUG_FS
int ras_userspace_consumers(void);
void ras_debugfs_init(void);
int ras_add_daemon_trace(void);
#else
static inline int ras_userspace_consumers(void) { return 0; }
static inline void ras_debugfs_init(void) { return; }
static inline int ras_add_daemon_trace(void) { return 0; }
#endif
#endif