+/* SPDX-License-Identifier: GPL-2.0-only */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM compaction
-#if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_COMPACTION_H
+#if !defined(LTTNG_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_COMPACTION_H
+#include <lttng/tracepoint-event.h>
#include <linux/types.h>
-#include <linux/tracepoint.h>
-#include <trace/events/gfpflags.h>
+#include <linux/version.h>
-DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
+
+ TP_PROTO(unsigned long start_pfn,
+ unsigned long end_pfn,
+ unsigned long nr_scanned,
+ unsigned long nr_taken),
+
+ TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
+
+ TP_FIELDS(
+ ctf_integer(unsigned long, start_pfn, start_pfn)
+ ctf_integer(unsigned long, end_pfn, end_pfn)
+ ctf_integer(unsigned long, nr_scanned, nr_scanned)
+ ctf_integer(unsigned long, nr_taken, nr_taken)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
+
+ mm_compaction_isolate_migratepages,
+
+ compaction_isolate_migratepages,
+
+ TP_PROTO(unsigned long start_pfn,
+ unsigned long end_pfn,
+ unsigned long nr_scanned,
+ unsigned long nr_taken),
+
+ TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
+
+ mm_compaction_isolate_freepages,
+
+ compaction_isolate_freepages,
+
+ TP_PROTO(unsigned long start_pfn,
+ unsigned long end_pfn,
+ unsigned long nr_scanned,
+ unsigned long nr_taken),
+
+ TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
+)
+
+#else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
+
+LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
TP_PROTO(unsigned long nr_scanned,
unsigned long nr_taken),
TP_ARGS(nr_scanned, nr_taken),
- TP_STRUCT__entry(
- __field(unsigned long, nr_scanned)
- __field(unsigned long, nr_taken)
- ),
+ TP_FIELDS(
+ ctf_integer(unsigned long, nr_scanned, nr_scanned)
+ ctf_integer(unsigned long, nr_taken, nr_taken)
+ )
+)
- TP_fast_assign(
- tp_assign(nr_scanned, nr_scanned)
- tp_assign(nr_taken, nr_taken)
- ),
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
- TP_printk("nr_scanned=%lu nr_taken=%lu",
- __entry->nr_scanned,
- __entry->nr_taken)
-)
+ mm_compaction_isolate_migratepages,
-DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
+ compaction_isolate_migratepages,
TP_PROTO(unsigned long nr_scanned,
unsigned long nr_taken),
TP_ARGS(nr_scanned, nr_taken)
)
-DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
+
+ mm_compaction_isolate_freepages,
+
+ compaction_isolate_freepages,
+
TP_PROTO(unsigned long nr_scanned,
unsigned long nr_taken),
TP_ARGS(nr_scanned, nr_taken)
)
-TRACE_EVENT(mm_compaction_migratepages,
+#endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
- TP_PROTO(unsigned long nr_migrated,
- unsigned long nr_failed),
+#if LTTNG_KERNEL_RANGE(3,12,30, 3,13,0) || \
+ LTTNG_KERNEL_RANGE(3,14,25, 3,15,0) || \
+ (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
+LTTNG_TRACEPOINT_EVENT_CODE_MAP(mm_compaction_migratepages,
- TP_ARGS(nr_migrated, nr_failed),
+ compaction_migratepages,
+
+ TP_PROTO(unsigned long nr_all,
+ int migrate_rc,
+ struct list_head *migratepages),
+
+ TP_ARGS(nr_all, migrate_rc, migratepages),
- TP_STRUCT__entry(
- __field(unsigned long, nr_migrated)
- __field(unsigned long, nr_failed)
+ TP_locvar(
+ unsigned long nr_failed;
),
- TP_fast_assign(
- tp_assign(nr_migrated, nr_migrated)
- tp_assign(nr_failed, nr_failed)
+ TP_code_pre(
+ tp_locvar->nr_failed = 0;
+
+ {
+ struct list_head *page_lru;
+
+ if (migrate_rc >= 0)
+ tp_locvar->nr_failed = migrate_rc;
+ else
+ list_for_each(page_lru, migratepages)
+ tp_locvar->nr_failed++;
+ }
+ ),
+
+ TP_FIELDS(
+ ctf_integer(unsigned long, nr_migrated, nr_all - tp_locvar->nr_failed)
+ ctf_integer(unsigned long, nr_failed, tp_locvar->nr_failed)
),
- TP_printk("nr_migrated=%lu nr_failed=%lu",
- __entry->nr_migrated,
- __entry->nr_failed)
+ TP_code_post()
)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
+LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
+
+ compaction_migratepages,
+ TP_PROTO(unsigned long nr_migrated,
+ unsigned long nr_failed),
+
+ TP_ARGS(nr_migrated, nr_failed),
+
+ TP_FIELDS(
+ ctf_integer(unsigned long, nr_migrated, nr_migrated)
+ ctf_integer(unsigned long, nr_failed, nr_failed)
+ )
+)
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
-#endif /* _TRACE_COMPACTION_H */
+#endif /* LTTNG_TRACE_COMPACTION_H */
/* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <lttng/define_trace.h>