Liam Mark
c453643efa
Add cma and migrate trace events to enable CMA allocation performance to be measured via ftrace. Link: https://lkml.kernel.org/r/20210324160740.15901-1-georgi.djakov@linaro.org Signed-off-by: Liam Mark <lmark@codeaurora.org> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> Cc: Minchan Kim <minchan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Bug: 178721512 (cherry picked from commit e0240efc7034 https://github.com/hnaz/linux-mm tags/v5.12-rc7-mmots-2021-04-11-20-49) Change-Id: I72b61ce8b827c582e4d90717f4dd2ae5c34cd90b Signed-off-by: Georgi Djakov <quic_c_gdjako@quicinc.com>
110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM migrate
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#if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_MIGRATE_H
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#include <linux/tracepoint.h>
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#define MIGRATE_MODE \
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EM( MIGRATE_ASYNC, "MIGRATE_ASYNC") \
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EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT") \
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EMe(MIGRATE_SYNC, "MIGRATE_SYNC")
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#define MIGRATE_REASON \
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EM( MR_COMPACTION, "compaction") \
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EM( MR_MEMORY_FAILURE, "memory_failure") \
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EM( MR_MEMORY_HOTPLUG, "memory_hotplug") \
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EM( MR_SYSCALL, "syscall_or_cpuset") \
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EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind") \
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EM( MR_NUMA_MISPLACED, "numa_misplaced") \
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EMe(MR_CONTIG_RANGE, "contig_range")
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/*
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* First define the enums in the above macros to be exported to userspace
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* via TRACE_DEFINE_ENUM().
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*/
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#undef EM
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#undef EMe
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#define EM(a, b) TRACE_DEFINE_ENUM(a);
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#define EMe(a, b) TRACE_DEFINE_ENUM(a);
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MIGRATE_MODE
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MIGRATE_REASON
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/*
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* Now redefine the EM() and EMe() macros to map the enums to the strings
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* that will be printed in the output.
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*/
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#undef EM
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#undef EMe
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#define EM(a, b) {a, b},
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#define EMe(a, b) {a, b}
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TRACE_EVENT(mm_migrate_pages,
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TP_PROTO(unsigned long succeeded, unsigned long failed,
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unsigned long thp_succeeded, unsigned long thp_failed,
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unsigned long thp_split, enum migrate_mode mode, int reason),
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TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
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thp_split, mode, reason),
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TP_STRUCT__entry(
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__field( unsigned long, succeeded)
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__field( unsigned long, failed)
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__field( unsigned long, thp_succeeded)
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__field( unsigned long, thp_failed)
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__field( unsigned long, thp_split)
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__field( enum migrate_mode, mode)
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__field( int, reason)
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),
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TP_fast_assign(
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__entry->succeeded = succeeded;
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__entry->failed = failed;
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__entry->thp_succeeded = thp_succeeded;
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__entry->thp_failed = thp_failed;
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__entry->thp_split = thp_split;
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__entry->mode = mode;
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__entry->reason = reason;
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),
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TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s",
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__entry->succeeded,
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__entry->failed,
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__entry->thp_succeeded,
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__entry->thp_failed,
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__entry->thp_split,
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__print_symbolic(__entry->mode, MIGRATE_MODE),
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__print_symbolic(__entry->reason, MIGRATE_REASON))
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);
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TRACE_EVENT(mm_migrate_pages_start,
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TP_PROTO(enum migrate_mode mode, int reason),
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TP_ARGS(mode, reason),
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TP_STRUCT__entry(
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__field(enum migrate_mode, mode)
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__field(int, reason)
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),
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TP_fast_assign(
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__entry->mode = mode;
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__entry->reason = reason;
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),
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TP_printk("mode=%s reason=%s",
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__print_symbolic(__entry->mode, MIGRATE_MODE),
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__print_symbolic(__entry->reason, MIGRATE_REASON))
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);
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#endif /* _TRACE_MIGRATE_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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