mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +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
|
|
#define TRACE_SYSTEM percpu
|
|
|
|
#if !defined(_TRACE_PERCPU_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _TRACE_PERCPU_H
|
|
|
|
#include <linux/tracepoint.h>
|
|
|
|
TRACE_EVENT(percpu_alloc_percpu,
|
|
|
|
TP_PROTO(bool reserved, bool is_atomic, size_t size,
|
|
size_t align, void *base_addr, int off, void __percpu *ptr),
|
|
|
|
TP_ARGS(reserved, is_atomic, size, align, base_addr, off, ptr),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( bool, reserved )
|
|
__field( bool, is_atomic )
|
|
__field( size_t, size )
|
|
__field( size_t, align )
|
|
__field( void *, base_addr )
|
|
__field( int, off )
|
|
__field( void __percpu *, ptr )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->reserved = reserved;
|
|
__entry->is_atomic = is_atomic;
|
|
__entry->size = size;
|
|
__entry->align = align;
|
|
__entry->base_addr = base_addr;
|
|
__entry->off = off;
|
|
__entry->ptr = ptr;
|
|
),
|
|
|
|
TP_printk("reserved=%d is_atomic=%d size=%zu align=%zu base_addr=%p off=%d ptr=%p",
|
|
__entry->reserved, __entry->is_atomic,
|
|
__entry->size, __entry->align,
|
|
__entry->base_addr, __entry->off, __entry->ptr)
|
|
);
|
|
|
|
TRACE_EVENT(percpu_free_percpu,
|
|
|
|
TP_PROTO(void *base_addr, int off, void __percpu *ptr),
|
|
|
|
TP_ARGS(base_addr, off, ptr),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( void *, base_addr )
|
|
__field( int, off )
|
|
__field( void __percpu *, ptr )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->base_addr = base_addr;
|
|
__entry->off = off;
|
|
__entry->ptr = ptr;
|
|
),
|
|
|
|
TP_printk("base_addr=%p off=%d ptr=%p",
|
|
__entry->base_addr, __entry->off, __entry->ptr)
|
|
);
|
|
|
|
TRACE_EVENT(percpu_alloc_percpu_fail,
|
|
|
|
TP_PROTO(bool reserved, bool is_atomic, size_t size, size_t align),
|
|
|
|
TP_ARGS(reserved, is_atomic, size, align),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( bool, reserved )
|
|
__field( bool, is_atomic )
|
|
__field( size_t, size )
|
|
__field( size_t, align )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->reserved = reserved;
|
|
__entry->is_atomic = is_atomic;
|
|
__entry->size = size;
|
|
__entry->align = align;
|
|
),
|
|
|
|
TP_printk("reserved=%d is_atomic=%d size=%zu align=%zu",
|
|
__entry->reserved, __entry->is_atomic,
|
|
__entry->size, __entry->align)
|
|
);
|
|
|
|
TRACE_EVENT(percpu_create_chunk,
|
|
|
|
TP_PROTO(void *base_addr),
|
|
|
|
TP_ARGS(base_addr),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( void *, base_addr )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->base_addr = base_addr;
|
|
),
|
|
|
|
TP_printk("base_addr=%p", __entry->base_addr)
|
|
);
|
|
|
|
TRACE_EVENT(percpu_destroy_chunk,
|
|
|
|
TP_PROTO(void *base_addr),
|
|
|
|
TP_ARGS(base_addr),
|
|
|
|
TP_STRUCT__entry(
|
|
__field( void *, base_addr )
|
|
),
|
|
|
|
TP_fast_assign(
|
|
__entry->base_addr = base_addr;
|
|
),
|
|
|
|
TP_printk("base_addr=%p", __entry->base_addr)
|
|
);
|
|
|
|
#endif /* _TRACE_PERCPU_H */
|
|
|
|
#include <trace/define_trace.h>
|