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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>
27 lines
437 B
C
27 lines
437 B
C
/*
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* Copyright (C) 2014 Intel Corporation
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*
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* Authors:
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* Chen, Gong <gong.chen@linux.intel.com>
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*/
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#include <linux/init.h>
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#include <linux/ras.h>
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#define CREATE_TRACE_POINTS
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#define TRACE_INCLUDE_PATH ../../include/ras
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#include <ras/ras_event.h>
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static int __init ras_init(void)
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{
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int rc = 0;
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ras_debugfs_init();
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rc = ras_add_daemon_trace();
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return rc;
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}
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subsys_initcall(ras_init);
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EXPORT_TRACEPOINT_SYMBOL_GPL(mc_event);
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