Namespace all tracepoints
[lttng-modules.git] / instrumentation / events / lttng-module / mm_vmscan.h
diff --git a/instrumentation/events/lttng-module/mm_vmscan.h b/instrumentation/events/lttng-module/mm_vmscan.h
new file mode 100644 (file)
index 0000000..870c026
--- /dev/null
@@ -0,0 +1,642 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mm_vmscan
+
+#if !defined(LTTNG_TRACE_MM_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_MM_VMSCAN_H
+
+#include "../../../probes/lttng-tracepoint-event.h"
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/memcontrol.h>
+#include <trace/events/gfpflags.h>
+#include <linux/version.h>
+
+#ifndef _TRACE_VMSCAN_DEF
+#define _TRACE_VMSCAN_DEF
+#define RECLAIM_WB_ANON                0x0001u
+#define RECLAIM_WB_FILE                0x0002u
+#define RECLAIM_WB_MIXED       0x0010u
+#define RECLAIM_WB_SYNC                0x0004u /* Unused, all reclaim async */
+#define RECLAIM_WB_ASYNC       0x0008u
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+#define show_reclaim_flags(flags)                              \
+       (flags) ? __print_flags(flags, "|",                     \
+               {RECLAIM_WB_ANON,       "RECLAIM_WB_ANON"},     \
+               {RECLAIM_WB_FILE,       "RECLAIM_WB_FILE"},     \
+               {RECLAIM_WB_MIXED,      "RECLAIM_WB_MIXED"},    \
+               {RECLAIM_WB_SYNC,       "RECLAIM_WB_SYNC"},     \
+               {RECLAIM_WB_ASYNC,      "RECLAIM_WB_ASYNC"}     \
+               ) : "RECLAIM_WB_NONE"
+#else
+#define show_reclaim_flags(flags)                              \
+       (flags) ? __print_flags(flags, "|",                     \
+               {RECLAIM_WB_ANON,       "RECLAIM_WB_ANON"},     \
+               {RECLAIM_WB_FILE,       "RECLAIM_WB_FILE"},     \
+               {RECLAIM_WB_SYNC,       "RECLAIM_WB_SYNC"},     \
+               {RECLAIM_WB_ASYNC,      "RECLAIM_WB_ASYNC"}     \
+               ) : "RECLAIM_WB_NONE"
+#endif
+
+#if ((LINUX_VERSION_CODE <= KERNEL_VERSION(3,0,38)) || \
+       LTTNG_KERNEL_RANGE(3,1,0, 3,2,0))
+typedef int isolate_mode_t;
+#endif
+
+#endif
+
+LTTNG_TRACEPOINT_EVENT(mm_vmscan_kswapd_sleep,
+
+       TP_PROTO(int nid),
+
+       TP_ARGS(nid),
+
+       TP_STRUCT__entry(
+               __field(        int,    nid     )
+       ),
+
+       TP_fast_assign(
+               tp_assign(nid, nid)
+       ),
+
+       TP_printk("nid=%d", __entry->nid)
+)
+
+LTTNG_TRACEPOINT_EVENT(mm_vmscan_kswapd_wake,
+
+       TP_PROTO(int nid, int order),
+
+       TP_ARGS(nid, order),
+
+       TP_STRUCT__entry(
+               __field(        int,    nid     )
+               __field(        int,    order   )
+       ),
+
+       TP_fast_assign(
+               tp_assign(nid, nid)
+               tp_assign(order, order)
+       ),
+
+       TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
+)
+
+LTTNG_TRACEPOINT_EVENT(mm_vmscan_wakeup_kswapd,
+
+       TP_PROTO(int nid, int zid, int order),
+
+       TP_ARGS(nid, zid, order),
+
+       TP_STRUCT__entry(
+               __field(        int,            nid     )
+               __field(        int,            zid     )
+               __field(        int,            order   )
+       ),
+
+       TP_fast_assign(
+               tp_assign(nid, nid)
+               tp_assign(zid, zid)
+               tp_assign(order, order)
+       ),
+
+       TP_printk("nid=%d zid=%d order=%d",
+               __entry->nid,
+               __entry->zid,
+               __entry->order)
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
+
+       TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
+
+       TP_ARGS(order, may_writepage, gfp_flags),
+
+       TP_STRUCT__entry(
+               __field(        int,    order           )
+               __field(        int,    may_writepage   )
+               __field(        gfp_t,  gfp_flags       )
+       ),
+
+       TP_fast_assign(
+               tp_assign(order, order)
+               tp_assign(may_writepage, may_writepage)
+               tp_assign(gfp_flags, gfp_flags)
+       ),
+
+       TP_printk("order=%d may_writepage=%d gfp_flags=%s",
+               __entry->order,
+               __entry->may_writepage,
+               show_gfp_flags(__entry->gfp_flags))
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
+
+       TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
+
+       TP_ARGS(order, may_writepage, gfp_flags)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
+
+       TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
+
+       TP_ARGS(order, may_writepage, gfp_flags)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
+
+       TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
+
+       TP_ARGS(order, may_writepage, gfp_flags)
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
+
+       TP_PROTO(unsigned long nr_reclaimed),
+
+       TP_ARGS(nr_reclaimed),
+
+       TP_STRUCT__entry(
+               __field(        unsigned long,  nr_reclaimed    )
+       ),
+
+       TP_fast_assign(
+               tp_assign(nr_reclaimed, nr_reclaimed)
+       ),
+
+       TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
+
+       TP_PROTO(unsigned long nr_reclaimed),
+
+       TP_ARGS(nr_reclaimed)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
+
+       TP_PROTO(unsigned long nr_reclaimed),
+
+       TP_ARGS(nr_reclaimed)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
+
+       TP_PROTO(unsigned long nr_reclaimed),
+
+       TP_ARGS(nr_reclaimed)
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
+LTTNG_TRACEPOINT_EVENT_MAP(mm_shrink_slab_start,
+
+       mm_vmscan_shrink_slab_start,
+
+       TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
+               long nr_objects_to_shrink, unsigned long pgs_scanned,
+               unsigned long lru_pgs, unsigned long cache_items,
+               unsigned long long delta, unsigned long total_scan),
+
+       TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
+               cache_items, delta, total_scan),
+
+       TP_STRUCT__entry(
+               __field(struct shrinker *, shr)
+               __field(void *, shrink)
+               __field(long, nr_objects_to_shrink)
+               __field(gfp_t, gfp_flags)
+               __field(unsigned long, pgs_scanned)
+               __field(unsigned long, lru_pgs)
+               __field(unsigned long, cache_items)
+               __field(unsigned long long, delta)
+               __field(unsigned long, total_scan)
+       ),
+
+       TP_fast_assign(
+               tp_assign(shr,shr)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
+               tp_assign(shrink, shr->scan_objects)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
+               tp_assign(shrink, shr->shrink)
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
+               tp_assign(nr_objects_to_shrink, nr_objects_to_shrink)
+               tp_assign(gfp_flags, sc->gfp_mask)
+               tp_assign(pgs_scanned, pgs_scanned)
+               tp_assign(lru_pgs, lru_pgs)
+               tp_assign(cache_items, cache_items)
+               tp_assign(delta, delta)
+               tp_assign(total_scan, total_scan)
+       ),
+
+       TP_printk("%pF %p: objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld",
+               __entry->shrink,
+               __entry->shr,
+               __entry->nr_objects_to_shrink,
+               show_gfp_flags(__entry->gfp_flags),
+               __entry->pgs_scanned,
+               __entry->lru_pgs,
+               __entry->cache_items,
+               __entry->delta,
+               __entry->total_scan)
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
+LTTNG_TRACEPOINT_EVENT_MAP(mm_shrink_slab_end,
+
+       mm_vmscan_shrink_slab_end,
+
+       TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
+               long unused_scan_cnt, long new_scan_cnt, long total_scan),
+
+       TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
+               total_scan),
+
+       TP_STRUCT__entry(
+               __field(struct shrinker *, shr)
+               __field(int, nid)
+               __field(void *, shrink)
+               __field(long, unused_scan)
+               __field(long, new_scan)
+               __field(int, retval)
+               __field(long, total_scan)
+       ),
+
+       TP_fast_assign(
+               tp_assign(shr, shr)
+               tp_assign(nid, nid)
+               tp_assign(shrink, shr->scan_objects)
+               tp_assign(unused_scan, unused_scan_cnt)
+               tp_assign(new_scan, new_scan_cnt)
+               tp_assign(retval, shrinker_retval)
+               tp_assign(total_scan, total_scan)
+       ),
+
+       TP_printk("%pF %p: nid %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
+               __entry->shrink,
+               __entry->shr,
+               __entry->nid,
+               __entry->unused_scan,
+               __entry->new_scan,
+               __entry->total_scan,
+               __entry->retval)
+)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
+LTTNG_TRACEPOINT_EVENT_MAP(mm_shrink_slab_end,
+
+       mm_vmscan_shrink_slab_end,
+
+       TP_PROTO(struct shrinker *shr, int shrinker_retval,
+               long unused_scan_cnt, long new_scan_cnt),
+
+       TP_ARGS(shr, shrinker_retval, unused_scan_cnt, new_scan_cnt),
+
+       TP_STRUCT__entry(
+               __field(struct shrinker *, shr)
+               __field(void *, shrink)
+               __field(long, unused_scan)
+               __field(long, new_scan)
+               __field(int, retval)
+               __field(long, total_scan)
+       ),
+
+       TP_fast_assign(
+               tp_assign(shr, shr)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0))
+               tp_assign(shrink, shr->scan_objects)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
+               tp_assign(shrink, shr->shrink)
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,0)) */
+               tp_assign(unused_scan, unused_scan_cnt)
+               tp_assign(new_scan, new_scan_cnt)
+               tp_assign(retval, shrinker_retval)
+               tp_assign(total_scan, new_scan_cnt - unused_scan_cnt)
+       ),
+
+       TP_printk("%pF %p: unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
+               __entry->shrink,
+               __entry->shr,
+               __entry->unused_scan,
+               __entry->new_scan,
+               __entry->total_scan,
+               __entry->retval)
+)
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
+#endif
+
+LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_lru_isolate_template,
+
+       TP_PROTO(int order,
+               unsigned long nr_requested,
+               unsigned long nr_scanned,
+               unsigned long nr_taken,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+               unsigned long nr_lumpy_taken,
+               unsigned long nr_lumpy_dirty,
+               unsigned long nr_lumpy_failed,
+#endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
+               isolate_mode_t isolate_mode
+#else
+               isolate_mode_t isolate_mode,
+               int file
+#endif
+       ),
+
+       TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+               nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
+#endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
+               isolate_mode
+#else
+               isolate_mode, file
+#endif
+       ),
+
+
+       TP_STRUCT__entry(
+               __field(int, order)
+               __field(unsigned long, nr_requested)
+               __field(unsigned long, nr_scanned)
+               __field(unsigned long, nr_taken)
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+               __field(unsigned long, nr_lumpy_taken)
+               __field(unsigned long, nr_lumpy_dirty)
+               __field(unsigned long, nr_lumpy_failed)
+#endif
+               __field(isolate_mode_t, isolate_mode)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+               __field(int, file)
+#endif
+       ),
+
+       TP_fast_assign(
+               tp_assign(order, order)
+               tp_assign(nr_requested, nr_requested)
+               tp_assign(nr_scanned, nr_scanned)
+               tp_assign(nr_taken, nr_taken)
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+               tp_assign(nr_lumpy_taken, nr_lumpy_taken)
+               tp_assign(nr_lumpy_dirty, nr_lumpy_dirty)
+               tp_assign(nr_lumpy_failed, nr_lumpy_failed)
+#endif
+               tp_assign(isolate_mode, isolate_mode)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+               tp_assign(file, file)
+#endif
+       ),
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
+       TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu",
+               __entry->isolate_mode,
+               __entry->order,
+               __entry->nr_requested,
+               __entry->nr_scanned,
+               __entry->nr_taken,
+               __entry->nr_lumpy_taken,
+               __entry->nr_lumpy_dirty,
+               __entry->nr_lumpy_failed)
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+       TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu file=%d",
+               __entry->isolate_mode,
+               __entry->order,
+               __entry->nr_requested,
+               __entry->nr_scanned,
+               __entry->nr_taken,
+               __entry->nr_lumpy_taken,
+               __entry->nr_lumpy_dirty,
+               __entry->nr_lumpy_failed,
+               __entry->file)
+#else
+       TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
+               __entry->isolate_mode,
+               __entry->order,
+               __entry->nr_requested,
+               __entry->nr_scanned,
+               __entry->nr_taken,
+               __entry->file)
+#endif
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
+
+       TP_PROTO(int order,
+               unsigned long nr_requested,
+               unsigned long nr_scanned,
+               unsigned long nr_taken,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+               unsigned long nr_lumpy_taken,
+               unsigned long nr_lumpy_dirty,
+               unsigned long nr_lumpy_failed,
+#endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
+               isolate_mode_t isolate_mode
+#else
+               isolate_mode_t isolate_mode,
+               int file
+#endif
+       ),
+
+       TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+               nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
+#endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
+               isolate_mode
+#else
+               isolate_mode, file
+#endif
+       )
+
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
+
+       TP_PROTO(int order,
+               unsigned long nr_requested,
+               unsigned long nr_scanned,
+               unsigned long nr_taken,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+               unsigned long nr_lumpy_taken,
+               unsigned long nr_lumpy_dirty,
+               unsigned long nr_lumpy_failed,
+#endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
+               isolate_mode_t isolate_mode
+#else
+               isolate_mode_t isolate_mode,
+               int file
+#endif
+       ),
+
+       TP_ARGS(order, nr_requested, nr_scanned, nr_taken,
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+               nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed,
+#endif
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
+               isolate_mode
+#else
+               isolate_mode, file
+#endif
+       )
+)
+
+LTTNG_TRACEPOINT_EVENT(mm_vmscan_writepage,
+
+       TP_PROTO(struct page *page,
+               int reclaim_flags),
+
+       TP_ARGS(page, reclaim_flags),
+
+       TP_STRUCT__entry(
+               __field(struct page *, page)
+               __field(int, reclaim_flags)
+       ),
+
+       TP_fast_assign(
+               tp_assign(page, page)
+               tp_assign(reclaim_flags, reclaim_flags)
+       ),
+
+       TP_printk("page=%p pfn=%lu flags=%s",
+               __entry->page,
+               page_to_pfn(__entry->page),
+               show_reclaim_flags(__entry->reclaim_flags))
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+LTTNG_TRACEPOINT_EVENT(mm_vmscan_lru_shrink_inactive,
+
+       TP_PROTO(int nid, int zid,
+                       unsigned long nr_scanned, unsigned long nr_reclaimed,
+                       int priority, int reclaim_flags),
+
+       TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
+
+       TP_STRUCT__entry(
+               __field(int, nid)
+               __field(int, zid)
+               __field(unsigned long, nr_scanned)
+               __field(unsigned long, nr_reclaimed)
+               __field(int, priority)
+               __field(int, reclaim_flags)
+       ),
+
+       TP_fast_assign(
+               tp_assign(nid, nid)
+               tp_assign(zid, zid)
+               tp_assign(nr_scanned, nr_scanned)
+               tp_assign(nr_reclaimed, nr_reclaimed)
+               tp_assign(priority, priority)
+               tp_assign(reclaim_flags, reclaim_flags)
+       ),
+
+       TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
+               __entry->nid, __entry->zid,
+               __entry->nr_scanned, __entry->nr_reclaimed,
+               __entry->priority,
+               show_reclaim_flags(__entry->reclaim_flags))
+)
+#endif
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,5,0))
+LTTNG_TRACEPOINT_EVENT_MAP(replace_swap_token,
+
+       mm_vmscan_replace_swap_token,
+
+       TP_PROTO(struct mm_struct *old_mm,
+                struct mm_struct *new_mm),
+
+       TP_ARGS(old_mm, new_mm),
+
+       TP_STRUCT__entry(
+               __field(struct mm_struct*,      old_mm)
+               __field(unsigned int,           old_prio)
+               __field(struct mm_struct*,      new_mm)
+               __field(unsigned int,           new_prio)
+       ),
+
+       TP_fast_assign(
+               tp_assign(old_mm, old_mm)
+               tp_assign(old_prio, old_mm ? old_mm->token_priority : 0)
+               tp_assign(new_mm, new_mm)
+               tp_assign(new_prio, new_mm->token_priority)
+       ),
+
+       TP_printk("old_token_mm=%p old_prio=%u new_token_mm=%p new_prio=%u",
+                 __entry->old_mm, __entry->old_prio,
+                 __entry->new_mm, __entry->new_prio)
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(mm_vmscan_put_swap_token_template,
+       TP_PROTO(struct mm_struct *swap_token_mm),
+
+       TP_ARGS(swap_token_mm),
+
+       TP_STRUCT__entry(
+               __field(struct mm_struct*, swap_token_mm)
+       ),
+
+       TP_fast_assign(
+               tp_assign(swap_token_mm, swap_token_mm)
+       ),
+
+       TP_printk("token_mm=%p", __entry->swap_token_mm)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(mm_vmscan_put_swap_token_template, put_swap_token,
+
+       mm_vmscan_put_swap_token,
+
+       TP_PROTO(struct mm_struct *swap_token_mm),
+       TP_ARGS(swap_token_mm)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_CONDITION_MAP(mm_vmscan_put_swap_token_template, disable_swap_token,
+
+       mm_vmscan_disable_swap_token,
+
+       TP_PROTO(struct mm_struct *swap_token_mm),
+       TP_ARGS(swap_token_mm),
+       TP_CONDITION(swap_token_mm != NULL)
+)
+
+LTTNG_TRACEPOINT_EVENT_CONDITION_MAP(update_swap_token_priority,
+
+       mm_vmscan_update_swap_token_priority,
+
+       TP_PROTO(struct mm_struct *mm,
+                unsigned int old_prio,
+                struct mm_struct *swap_token_mm),
+
+       TP_ARGS(mm, old_prio, swap_token_mm),
+
+       TP_CONDITION(mm->token_priority != old_prio),
+
+       TP_STRUCT__entry(
+               __field(struct mm_struct*, mm)
+               __field(unsigned int, old_prio)
+               __field(unsigned int, new_prio)
+               __field(struct mm_struct*, swap_token_mm)
+               __field(unsigned int, swap_token_prio)
+       ),
+
+       TP_fast_assign(
+               tp_assign(mm, mm)
+               tp_assign(old_prio, old_prio)
+               tp_assign(new_prio, mm->token_priority)
+               tp_assign(swap_token_mm, swap_token_mm)
+               tp_assign(swap_token_prio, swap_token_mm ? swap_token_mm->token_priority : 0)
+       ),
+
+       TP_printk("mm=%p old_prio=%u new_prio=%u swap_token_mm=%p token_prio=%u",
+                 __entry->mm, __entry->old_prio, __entry->new_prio,
+                 __entry->swap_token_mm, __entry->swap_token_prio)
+)
+#endif
+
+#endif /* LTTNG_TRACE_MM_VMSCAN_H */
+
+/* This part must be outside protection */
+#include "../../../probes/define_trace.h"
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