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linux_dsm_epyc7002/include/trace/events/vmscan.h
Linus Torvalds 2dcd9c71c1 Tracing updates for 4.15: 
- Now allow module init functions to be traced
 
  - Clean up some unused or not used by config events (saves space)
 
  - Clean up of trace histogram code
 
  - Add support for preempt and interrupt enabled/disable events
 
  - Other various clean ups
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Merge tag 'trace-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from

 - allow module init functions to be traced

 - clean up some unused or not used by config events (saves space)

 - clean up of trace histogram code

 - add support for preempt and interrupt enabled/disable events

 - other various clean ups

* tag 'trace-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (30 commits)
  tracing, thermal: Hide cpu cooling trace events when not in use
  tracing, thermal: Hide devfreq trace events when not in use
  ftrace: Kill FTRACE_OPS_FL_PER_CPU
  perf/ftrace: Small cleanup
  perf/ftrace: Fix function trace events
  perf/ftrace: Revert ("perf/ftrace: Fix double traces of perf on ftrace:function")
  tracing, dma-buf: Remove unused trace event dma_fence_annotate_wait_on
  tracing, memcg, vmscan: Hide trace events when not in use
  tracing/xen: Hide events that are not used when X86_PAE is not defined
  tracing: mark trace_test_buffer as __maybe_unused
  printk: Remove superfluous memory barriers from printk_safe
  ftrace: Clear hashes of stale ips of init memory
  tracing: Add support for preempt and irq enable/disable events
  tracing: Prepare to add preempt and irq trace events
  ftrace/kallsyms: Have /proc/kallsyms show saved mod init functions
  ftrace: Add freeing algorithm to free ftrace_mod_maps
  ftrace: Save module init functions kallsyms symbols for tracing
  ftrace: Allow module init functions to be traced
  ftrace: Add a ftrace_free_mem() function for modules to use
  tracing: Reimplement log2
  ...
2017-11-17 14:58:01 -08:00

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/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM vmscan
#if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_VMSCAN_H
#include <linux/types.h>
#include <linux/tracepoint.h>
#include <linux/mm.h>
#include <linux/memcontrol.h>
#include <trace/events/mmflags.h>
#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
#define RECLAIM_WB_LRU (RECLAIM_WB_ANON|RECLAIM_WB_FILE)
#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"
#define trace_reclaim_flags(page) ( \
(page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
(RECLAIM_WB_ASYNC) \
)
#define trace_shrink_flags(file) \
( \
(file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
(RECLAIM_WB_ASYNC) \
)
TRACE_EVENT(mm_vmscan_kswapd_sleep,
TP_PROTO(int nid),
TP_ARGS(nid),
TP_STRUCT__entry(
__field( int, nid )
),
TP_fast_assign(
__entry->nid = nid;
),
TP_printk("nid=%d", __entry->nid)
);
TRACE_EVENT(mm_vmscan_kswapd_wake,
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(
__entry->nid = nid;
__entry->zid = zid;
__entry->order = order;
),
TP_printk("nid=%d zid=%d order=%d", __entry->nid, __entry->zid, __entry->order)
);
TRACE_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(
__entry->nid = nid;
__entry->zid = zid;
__entry->order = order;
),
TP_printk("nid=%d zid=%d order=%d",
__entry->nid,
__entry->zid,
__entry->order)
);
DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
TP_ARGS(order, may_writepage, gfp_flags, classzone_idx),
TP_STRUCT__entry(
__field( int, order )
__field( int, may_writepage )
__field( gfp_t, gfp_flags )
__field( int, classzone_idx )
),
TP_fast_assign(
__entry->order = order;
__entry->may_writepage = may_writepage;
__entry->gfp_flags = gfp_flags;
__entry->classzone_idx = classzone_idx;
),
TP_printk("order=%d may_writepage=%d gfp_flags=%s classzone_idx=%d",
__entry->order,
__entry->may_writepage,
show_gfp_flags(__entry->gfp_flags),
__entry->classzone_idx)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
);
#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
TP_PROTO(int order, int may_writepage, gfp_t gfp_flags, int classzone_idx),
TP_ARGS(order, may_writepage, gfp_flags, classzone_idx)
);
#endif /* CONFIG_MEMCG */
DECLARE_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(
__entry->nr_reclaimed = nr_reclaimed;
),
TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
TP_PROTO(unsigned long nr_reclaimed),
TP_ARGS(nr_reclaimed)
);
#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
TP_PROTO(unsigned long nr_reclaimed),
TP_ARGS(nr_reclaimed)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
TP_PROTO(unsigned long nr_reclaimed),
TP_ARGS(nr_reclaimed)
);
#endif /* CONFIG_MEMCG */
TRACE_EVENT(mm_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(int, nid)
__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(
__entry->shr = shr;
__entry->shrink = shr->scan_objects;
__entry->nid = sc->nid;
__entry->nr_objects_to_shrink = nr_objects_to_shrink;
__entry->gfp_flags = sc->gfp_mask;
__entry->pgs_scanned = pgs_scanned;
__entry->lru_pgs = lru_pgs;
__entry->cache_items = cache_items;
__entry->delta = delta;
__entry->total_scan = total_scan;
),
TP_printk("%pF %p: nid: %d 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->nid,
__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)
);
TRACE_EVENT(mm_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(
__entry->shr = shr;
__entry->nid = nid;
__entry->shrink = shr->scan_objects;
__entry->unused_scan = unused_scan_cnt;
__entry->new_scan = new_scan_cnt;
__entry->retval = shrinker_retval;
__entry->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)
);
TRACE_EVENT(mm_vmscan_lru_isolate,
TP_PROTO(int classzone_idx,
int order,
unsigned long nr_requested,
unsigned long nr_scanned,
unsigned long nr_skipped,
unsigned long nr_taken,
isolate_mode_t isolate_mode,
int lru),
TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
TP_STRUCT__entry(
__field(int, classzone_idx)
__field(int, order)
__field(unsigned long, nr_requested)
__field(unsigned long, nr_scanned)
__field(unsigned long, nr_skipped)
__field(unsigned long, nr_taken)
__field(isolate_mode_t, isolate_mode)
__field(int, lru)
),
TP_fast_assign(
__entry->classzone_idx = classzone_idx;
__entry->order = order;
__entry->nr_requested = nr_requested;
__entry->nr_scanned = nr_scanned;
__entry->nr_skipped = nr_skipped;
__entry->nr_taken = nr_taken;
__entry->isolate_mode = isolate_mode;
__entry->lru = lru;
),
TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
__entry->isolate_mode,
__entry->classzone_idx,
__entry->order,
__entry->nr_requested,
__entry->nr_scanned,
__entry->nr_skipped,
__entry->nr_taken,
__print_symbolic(__entry->lru, LRU_NAMES))
);
TRACE_EVENT(mm_vmscan_writepage,
TP_PROTO(struct page *page),
TP_ARGS(page),
TP_STRUCT__entry(
__field(unsigned long, pfn)
__field(int, reclaim_flags)
),
TP_fast_assign(
__entry->pfn = page_to_pfn(page);
__entry->reclaim_flags = trace_reclaim_flags(page);
),
TP_printk("page=%p pfn=%lu flags=%s",
pfn_to_page(__entry->pfn),
__entry->pfn,
show_reclaim_flags(__entry->reclaim_flags))
);
TRACE_EVENT(mm_vmscan_lru_shrink_inactive,
TP_PROTO(int nid,
unsigned long nr_scanned, unsigned long nr_reclaimed,
unsigned long nr_dirty, unsigned long nr_writeback,
unsigned long nr_congested, unsigned long nr_immediate,
unsigned long nr_activate, unsigned long nr_ref_keep,
unsigned long nr_unmap_fail,
int priority, int file),
TP_ARGS(nid, nr_scanned, nr_reclaimed, nr_dirty, nr_writeback,
nr_congested, nr_immediate, nr_activate, nr_ref_keep,
nr_unmap_fail, priority, file),
TP_STRUCT__entry(
__field(int, nid)
__field(unsigned long, nr_scanned)
__field(unsigned long, nr_reclaimed)
__field(unsigned long, nr_dirty)
__field(unsigned long, nr_writeback)
__field(unsigned long, nr_congested)
__field(unsigned long, nr_immediate)
__field(unsigned long, nr_activate)
__field(unsigned long, nr_ref_keep)
__field(unsigned long, nr_unmap_fail)
__field(int, priority)
__field(int, reclaim_flags)
),
TP_fast_assign(
__entry->nid = nid;
__entry->nr_scanned = nr_scanned;
__entry->nr_reclaimed = nr_reclaimed;
__entry->nr_dirty = nr_dirty;
__entry->nr_writeback = nr_writeback;
__entry->nr_congested = nr_congested;
__entry->nr_immediate = nr_immediate;
__entry->nr_activate = nr_activate;
__entry->nr_ref_keep = nr_ref_keep;
__entry->nr_unmap_fail = nr_unmap_fail;
__entry->priority = priority;
__entry->reclaim_flags = trace_shrink_flags(file);
),
TP_printk("nid=%d nr_scanned=%ld nr_reclaimed=%ld nr_dirty=%ld nr_writeback=%ld nr_congested=%ld nr_immediate=%ld nr_activate=%ld nr_ref_keep=%ld nr_unmap_fail=%ld priority=%d flags=%s",
__entry->nid,
__entry->nr_scanned, __entry->nr_reclaimed,
__entry->nr_dirty, __entry->nr_writeback,
__entry->nr_congested, __entry->nr_immediate,
__entry->nr_activate, __entry->nr_ref_keep,
__entry->nr_unmap_fail, __entry->priority,
show_reclaim_flags(__entry->reclaim_flags))
);
TRACE_EVENT(mm_vmscan_lru_shrink_active,
TP_PROTO(int nid, unsigned long nr_taken,
unsigned long nr_active, unsigned long nr_deactivated,
unsigned long nr_referenced, int priority, int file),
TP_ARGS(nid, nr_taken, nr_active, nr_deactivated, nr_referenced, priority, file),
TP_STRUCT__entry(
__field(int, nid)
__field(unsigned long, nr_taken)
__field(unsigned long, nr_active)
__field(unsigned long, nr_deactivated)
__field(unsigned long, nr_referenced)
__field(int, priority)
__field(int, reclaim_flags)
),
TP_fast_assign(
__entry->nid = nid;
__entry->nr_taken = nr_taken;
__entry->nr_active = nr_active;
__entry->nr_deactivated = nr_deactivated;
__entry->nr_referenced = nr_referenced;
__entry->priority = priority;
__entry->reclaim_flags = trace_shrink_flags(file);
),
TP_printk("nid=%d nr_taken=%ld nr_active=%ld nr_deactivated=%ld nr_referenced=%ld priority=%d flags=%s",
__entry->nid,
__entry->nr_taken,
__entry->nr_active, __entry->nr_deactivated, __entry->nr_referenced,
__entry->priority,
show_reclaim_flags(__entry->reclaim_flags))
);
TRACE_EVENT(mm_vmscan_inactive_list_is_low,
TP_PROTO(int nid, int reclaim_idx,
unsigned long total_inactive, unsigned long inactive,
unsigned long total_active, unsigned long active,
unsigned long ratio, int file),
TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
TP_STRUCT__entry(
__field(int, nid)
__field(int, reclaim_idx)
__field(unsigned long, total_inactive)
__field(unsigned long, inactive)
__field(unsigned long, total_active)
__field(unsigned long, active)
__field(unsigned long, ratio)
__field(int, reclaim_flags)
),
TP_fast_assign(
__entry->nid = nid;
__entry->reclaim_idx = reclaim_idx;
__entry->total_inactive = total_inactive;
__entry->inactive = inactive;
__entry->total_active = total_active;
__entry->active = active;
__entry->ratio = ratio;
__entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
),
TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
__entry->nid,
__entry->reclaim_idx,
__entry->total_inactive, __entry->inactive,
__entry->total_active, __entry->active,
__entry->ratio,
show_reclaim_flags(__entry->reclaim_flags))
);
#endif /* _TRACE_VMSCAN_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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