mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 15:59:33 +07:00
df95e795a7
Add support for tracepoints to the following events: chunk allocation, chunk free, area allocation, area free, and area allocation failure. This should let us replay percpu memory requests and evaluate corresponding decisions. Signed-off-by: Dennis Zhou <dennisz@fb.com> Signed-off-by: Tejun Heo <tj@kernel.org>
126 lines
2.6 KiB
C
126 lines
2.6 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM percpu
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#if !defined(_TRACE_PERCPU_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_PERCPU_H
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#include <linux/tracepoint.h>
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TRACE_EVENT(percpu_alloc_percpu,
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TP_PROTO(bool reserved, bool is_atomic, size_t size,
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size_t align, void *base_addr, int off, void __percpu *ptr),
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TP_ARGS(reserved, is_atomic, size, align, base_addr, off, ptr),
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TP_STRUCT__entry(
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__field( bool, reserved )
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__field( bool, is_atomic )
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__field( size_t, size )
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__field( size_t, align )
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__field( void *, base_addr )
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__field( int, off )
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__field( void __percpu *, ptr )
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),
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TP_fast_assign(
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__entry->reserved = reserved;
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__entry->is_atomic = is_atomic;
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__entry->size = size;
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__entry->align = align;
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__entry->base_addr = base_addr;
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__entry->off = off;
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__entry->ptr = ptr;
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),
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TP_printk("reserved=%d is_atomic=%d size=%zu align=%zu base_addr=%p off=%d ptr=%p",
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__entry->reserved, __entry->is_atomic,
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__entry->size, __entry->align,
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__entry->base_addr, __entry->off, __entry->ptr)
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);
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TRACE_EVENT(percpu_free_percpu,
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TP_PROTO(void *base_addr, int off, void __percpu *ptr),
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TP_ARGS(base_addr, off, ptr),
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TP_STRUCT__entry(
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__field( void *, base_addr )
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__field( int, off )
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__field( void __percpu *, ptr )
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),
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TP_fast_assign(
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__entry->base_addr = base_addr;
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__entry->off = off;
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__entry->ptr = ptr;
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),
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TP_printk("base_addr=%p off=%d ptr=%p",
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__entry->base_addr, __entry->off, __entry->ptr)
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);
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TRACE_EVENT(percpu_alloc_percpu_fail,
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TP_PROTO(bool reserved, bool is_atomic, size_t size, size_t align),
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TP_ARGS(reserved, is_atomic, size, align),
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TP_STRUCT__entry(
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__field( bool, reserved )
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__field( bool, is_atomic )
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__field( size_t, size )
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__field( size_t, align )
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),
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TP_fast_assign(
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__entry->reserved = reserved;
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__entry->is_atomic = is_atomic;
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__entry->size = size;
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__entry->align = align;
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),
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TP_printk("reserved=%d is_atomic=%d size=%zu align=%zu",
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__entry->reserved, __entry->is_atomic,
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__entry->size, __entry->align)
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);
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TRACE_EVENT(percpu_create_chunk,
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TP_PROTO(void *base_addr),
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TP_ARGS(base_addr),
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TP_STRUCT__entry(
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__field( void *, base_addr )
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),
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TP_fast_assign(
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__entry->base_addr = base_addr;
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),
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TP_printk("base_addr=%p", __entry->base_addr)
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);
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TRACE_EVENT(percpu_destroy_chunk,
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TP_PROTO(void *base_addr),
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TP_ARGS(base_addr),
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TP_STRUCT__entry(
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__field( void *, base_addr )
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),
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TP_fast_assign(
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__entry->base_addr = base_addr;
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),
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TP_printk("base_addr=%p", __entry->base_addr)
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);
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#endif /* _TRACE_PERCPU_H */
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#include <trace/define_trace.h>
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