* This file is for defining trace points and trace related helpers.
*/
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-#define CREATE_TRACE_POINTS
#include <trace/events/thp.h>
#endif
TP_printk("hugepage update at addr 0x%lx and pte = 0x%lx clr = 0x%lx, set = 0x%lx", __entry->addr, __entry->pte, __entry->clr, __entry->set)
);
+DECLARE_EVENT_CLASS(migration_pmd,
+
+ TP_PROTO(unsigned long addr, unsigned long pmd),
+
+ TP_ARGS(addr, pmd),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, addr)
+ __field(unsigned long, pmd)
+ ),
+
+ TP_fast_assign(
+ __entry->addr = addr;
+ __entry->pmd = pmd;
+ ),
+ TP_printk("addr=%lx, pmd=%lx", __entry->addr, __entry->pmd)
+);
+
+DEFINE_EVENT(migration_pmd, set_migration_pmd,
+ TP_PROTO(unsigned long addr, unsigned long pmd),
+ TP_ARGS(addr, pmd)
+);
+
+DEFINE_EVENT(migration_pmd, remove_migration_pmd,
+ TP_PROTO(unsigned long addr, unsigned long pmd),
+ TP_ARGS(addr, pmd)
+);
#endif /* _TRACE_THP_H */
/* This part must be outside protection */
#include <asm/pgalloc.h>
#include "internal.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/thp.h>
+
/*
* By default, transparent hugepage support is disabled in order to avoid
* risking an increased memory footprint for applications that are not
set_pmd_at(mm, address, pvmw->pmd, pmdswp);
page_remove_rmap(page, vma, true);
put_page(page);
+ trace_set_migration_pmd(address, pmd_val(pmdswp));
}
void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, struct page *new)
/* No need to invalidate - it was non-present before */
update_mmu_cache_pmd(vma, address, pvmw->pmd);
+ trace_remove_migration_pmd(address, pmd_val(pmde));
}
#endif