LCOV - code coverage report
Current view: top level - include/trace/events - migrate.h (source / functions) Hit Total Coverage
Test: landlock.info Lines: 0 1 0.0 %
Date: 2021-04-22 12:43:58 Functions: 0 5 0.0 %

          Line data    Source code
       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : #undef TRACE_SYSTEM
       3             : #define TRACE_SYSTEM migrate
       4             : 
       5             : #if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
       6             : #define _TRACE_MIGRATE_H
       7             : 
       8             : #include <linux/tracepoint.h>
       9             : 
      10             : #define MIGRATE_MODE                                            \
      11             :         EM( MIGRATE_ASYNC,      "MIGRATE_ASYNC")              \
      12             :         EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT")         \
      13             :         EMe(MIGRATE_SYNC,       "MIGRATE_SYNC")
      14             : 
      15             : 
      16             : #define MIGRATE_REASON                                          \
      17             :         EM( MR_COMPACTION,      "compaction")                 \
      18             :         EM( MR_MEMORY_FAILURE,  "memory_failure")             \
      19             :         EM( MR_MEMORY_HOTPLUG,  "memory_hotplug")             \
      20             :         EM( MR_SYSCALL,         "syscall_or_cpuset")          \
      21             :         EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind")            \
      22             :         EM( MR_NUMA_MISPLACED,  "numa_misplaced")             \
      23             :         EMe(MR_CONTIG_RANGE,    "contig_range")
      24             : 
      25             : /*
      26             :  * First define the enums in the above macros to be exported to userspace
      27             :  * via TRACE_DEFINE_ENUM().
      28             :  */
      29             : #undef EM
      30             : #undef EMe
      31             : #define EM(a, b)        TRACE_DEFINE_ENUM(a);
      32             : #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
      33             : 
      34             : MIGRATE_MODE
      35             : MIGRATE_REASON
      36             : 
      37             : /*
      38             :  * Now redefine the EM() and EMe() macros to map the enums to the strings
      39             :  * that will be printed in the output.
      40             :  */
      41             : #undef EM
      42             : #undef EMe
      43             : #define EM(a, b)        {a, b},
      44             : #define EMe(a, b)       {a, b}
      45             : 
      46           0 : TRACE_EVENT(mm_migrate_pages,
      47             : 
      48             :         TP_PROTO(unsigned long succeeded, unsigned long failed,
      49             :                  unsigned long thp_succeeded, unsigned long thp_failed,
      50             :                  unsigned long thp_split, enum migrate_mode mode, int reason),
      51             : 
      52             :         TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
      53             :                 thp_split, mode, reason),
      54             : 
      55             :         TP_STRUCT__entry(
      56             :                 __field(        unsigned long,          succeeded)
      57             :                 __field(        unsigned long,          failed)
      58             :                 __field(        unsigned long,          thp_succeeded)
      59             :                 __field(        unsigned long,          thp_failed)
      60             :                 __field(        unsigned long,          thp_split)
      61             :                 __field(        enum migrate_mode,      mode)
      62             :                 __field(        int,                    reason)
      63             :         ),
      64             : 
      65             :         TP_fast_assign(
      66             :                 __entry->succeeded   = succeeded;
      67             :                 __entry->failed              = failed;
      68             :                 __entry->thp_succeeded       = thp_succeeded;
      69             :                 __entry->thp_failed  = thp_failed;
      70             :                 __entry->thp_split   = thp_split;
      71             :                 __entry->mode                = mode;
      72             :                 __entry->reason              = reason;
      73             :         ),
      74             : 
      75             :         TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s",
      76             :                 __entry->succeeded,
      77             :                 __entry->failed,
      78             :                 __entry->thp_succeeded,
      79             :                 __entry->thp_failed,
      80             :                 __entry->thp_split,
      81             :                 __print_symbolic(__entry->mode, MIGRATE_MODE),
      82             :                 __print_symbolic(__entry->reason, MIGRATE_REASON))
      83             : );
      84             : #endif /* _TRACE_MIGRATE_H */
      85             : 
      86             : /* This part must be outside protection */
      87             : #include <trace/define_trace.h>

Generated by: LCOV version 1.14