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Diffstat (limited to 'include/trace/events/migrate.h')
-rw-r--r--include/trace/events/migrate.h42
1 files changed, 32 insertions, 10 deletions
diff --git a/include/trace/events/migrate.h b/include/trace/events/migrate.h
index dd2b5467d905..539b25a76111 100644
--- a/include/trace/events/migrate.h
+++ b/include/trace/events/migrate.h
@@ -7,18 +7,40 @@
#include <linux/tracepoint.h>
#define MIGRATE_MODE \
- {MIGRATE_ASYNC, "MIGRATE_ASYNC"}, \
- {MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT"}, \
- {MIGRATE_SYNC, "MIGRATE_SYNC"}
+ EM( MIGRATE_ASYNC, "MIGRATE_ASYNC") \
+ EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT") \
+ EMe(MIGRATE_SYNC, "MIGRATE_SYNC")
+
#define MIGRATE_REASON \
- {MR_COMPACTION, "compaction"}, \
- {MR_MEMORY_FAILURE, "memory_failure"}, \
- {MR_MEMORY_HOTPLUG, "memory_hotplug"}, \
- {MR_SYSCALL, "syscall_or_cpuset"}, \
- {MR_MEMPOLICY_MBIND, "mempolicy_mbind"}, \
- {MR_NUMA_MISPLACED, "numa_misplaced"}, \
- {MR_CMA, "cma"}
+ EM( MR_COMPACTION, "compaction") \
+ EM( MR_MEMORY_FAILURE, "memory_failure") \
+ EM( MR_MEMORY_HOTPLUG, "memory_hotplug") \
+ EM( MR_SYSCALL, "syscall_or_cpuset") \
+ EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind") \
+ EM( MR_NUMA_MISPLACED, "numa_misplaced") \
+ EMe(MR_CMA, "cma")
+
+/*
+ * First define the enums in the above macros to be exported to userspace
+ * via TRACE_DEFINE_ENUM().
+ */
+#undef EM
+#undef EMe
+#define EM(a, b) TRACE_DEFINE_ENUM(a);
+#define EMe(a, b) TRACE_DEFINE_ENUM(a);
+
+MIGRATE_MODE
+MIGRATE_REASON
+
+/*
+ * Now redefine the EM() and EMe() macros to map the enums to the strings
+ * that will be printed in the output.
+ */
+#undef EM
+#undef EMe
+#define EM(a, b) {a, b},
+#define EMe(a, b) {a, b}
TRACE_EVENT(mm_migrate_pages,