mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 03:33:59 +08:00
cf21be919c
Hyper-V balloon driver makes non-trivial calculations to convert Linux's representation of free/used memory to what Hyper-V host expects to see. Add a tracepoint to see what's being sent and where the data comes from. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM hyperv
|
|
|
|
#if !defined(_HV_TRACE_BALLOON_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _HV_TRACE_BALLOON_H
|
|
|
|
#include <linux/tracepoint.h>
|
|
|
|
TRACE_EVENT(balloon_status,
|
|
TP_PROTO(u64 available, u64 committed,
|
|
unsigned long vm_memory_committed,
|
|
unsigned long pages_ballooned,
|
|
unsigned long pages_added,
|
|
unsigned long pages_onlined),
|
|
TP_ARGS(available, committed, vm_memory_committed,
|
|
pages_ballooned, pages_added, pages_onlined),
|
|
TP_STRUCT__entry(
|
|
__field(u64, available)
|
|
__field(u64, committed)
|
|
__field(unsigned long, vm_memory_committed)
|
|
__field(unsigned long, pages_ballooned)
|
|
__field(unsigned long, pages_added)
|
|
__field(unsigned long, pages_onlined)
|
|
),
|
|
TP_fast_assign(
|
|
__entry->available = available;
|
|
__entry->committed = committed;
|
|
__entry->vm_memory_committed = vm_memory_committed;
|
|
__entry->pages_ballooned = pages_ballooned;
|
|
__entry->pages_added = pages_added;
|
|
__entry->pages_onlined = pages_onlined;
|
|
),
|
|
TP_printk("available %lld, committed %lld; vm_memory_committed %ld;"
|
|
" pages_ballooned %ld, pages_added %ld, pages_onlined %ld",
|
|
__entry->available, __entry->committed,
|
|
__entry->vm_memory_committed, __entry->pages_ballooned,
|
|
__entry->pages_added, __entry->pages_onlined
|
|
)
|
|
);
|
|
|
|
#undef TRACE_INCLUDE_PATH
|
|
#define TRACE_INCLUDE_PATH .
|
|
#undef TRACE_INCLUDE_FILE
|
|
#define TRACE_INCLUDE_FILE hv_trace_balloon
|
|
#endif /* _HV_TRACE_BALLOON_H */
|
|
|
|
/* This part must be outside protection */
|
|
#include <trace/define_trace.h>
|