cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mmap_lock.h (2072B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#undef TRACE_SYSTEM
      3#define TRACE_SYSTEM mmap_lock
      4
      5#if !defined(_TRACE_MMAP_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
      6#define _TRACE_MMAP_LOCK_H
      7
      8#include <linux/tracepoint.h>
      9#include <linux/types.h>
     10
     11struct mm_struct;
     12
     13extern int trace_mmap_lock_reg(void);
     14extern void trace_mmap_lock_unreg(void);
     15
     16DECLARE_EVENT_CLASS(mmap_lock,
     17
     18	TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write),
     19
     20	TP_ARGS(mm, memcg_path, write),
     21
     22	TP_STRUCT__entry(
     23		__field(struct mm_struct *, mm)
     24		__string(memcg_path, memcg_path)
     25		__field(bool, write)
     26	),
     27
     28	TP_fast_assign(
     29		__entry->mm = mm;
     30		__assign_str(memcg_path, memcg_path);
     31		__entry->write = write;
     32	),
     33
     34	TP_printk(
     35		"mm=%p memcg_path=%s write=%s",
     36		__entry->mm,
     37		__get_str(memcg_path),
     38		__entry->write ? "true" : "false"
     39	)
     40);
     41
     42#define DEFINE_MMAP_LOCK_EVENT(name)                                    \
     43	DEFINE_EVENT_FN(mmap_lock, name,                                \
     44		TP_PROTO(struct mm_struct *mm, const char *memcg_path,  \
     45			bool write),                                    \
     46		TP_ARGS(mm, memcg_path, write),                         \
     47		trace_mmap_lock_reg, trace_mmap_lock_unreg)
     48
     49DEFINE_MMAP_LOCK_EVENT(mmap_lock_start_locking);
     50DEFINE_MMAP_LOCK_EVENT(mmap_lock_released);
     51
     52TRACE_EVENT_FN(mmap_lock_acquire_returned,
     53
     54	TP_PROTO(struct mm_struct *mm, const char *memcg_path, bool write,
     55		bool success),
     56
     57	TP_ARGS(mm, memcg_path, write, success),
     58
     59	TP_STRUCT__entry(
     60		__field(struct mm_struct *, mm)
     61		__string(memcg_path, memcg_path)
     62		__field(bool, write)
     63		__field(bool, success)
     64	),
     65
     66	TP_fast_assign(
     67		__entry->mm = mm;
     68		__assign_str(memcg_path, memcg_path);
     69		__entry->write = write;
     70		__entry->success = success;
     71	),
     72
     73	TP_printk(
     74		"mm=%p memcg_path=%s write=%s success=%s",
     75		__entry->mm,
     76		__get_str(memcg_path),
     77		__entry->write ? "true" : "false",
     78		__entry->success ? "true" : "false"
     79	),
     80
     81	trace_mmap_lock_reg, trace_mmap_lock_unreg
     82);
     83
     84#endif /* _TRACE_MMAP_LOCK_H */
     85
     86/* This part must be outside protection */
     87#include <trace/define_trace.h>