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ACPICA: Add new statistics interface.

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This patch ports new counters and statistics interface, already
implemented in ACPICA upstream, to Linux.  That helps to reduce
source code differences between Linux and ACPICA upstream.

[rjw: Changelog]
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lv Zheng
2013-10-31 09:30:28 +08:00
committed by Rafael J. Wysocki
parent fa5f508f94
commit 9187a415fd
7 changed files with 66 additions and 0 deletions
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2
include/acpi/acpixf.h
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@@ -140,6 +140,8 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
#endif
acpi_status acpi_get_statistics(struct acpi_statistics *stats);
const char *acpi_format_exception(acpi_status exception);
acpi_status acpi_purge_cached_objects(void);

10
include/acpi/actypes.h
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@@ -973,6 +973,16 @@ struct acpi_system_info {
u32 debug_layer;
};
/*
* System statistics returned by acpi_get_statistics()
*/
struct acpi_statistics {
u32 sci_count;
u32 gpe_count;
u32 fixed_event_count[ACPI_NUM_FIXED_EVENTS];
u32 method_count;
};
/* Table Event Types */
#define ACPI_TABLE_EVENT_LOAD 0x0