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AIX Version 4.3 Kernel and Subsystems Technical Reference, Volume 1
mbstat Structure for mbuf Kernel Services
Purpose
Contains mbuf usage statistics.
Syntax
#include <sys/mbuf.h>
struct mbstat {
ulong m_mbufs;
ulong m_clusters;
ulong m_spare;
ulong m_clfree;
ulong m_drops;
ulong m_wait;
ulong m_drain;
short m_mtypes[256];
}
Parameters
m_mbufs |
Specifies the number of mbuf structures allocated. |
m_clusters |
Specifies the number of clusters allocated. |
m_spare |
Specifies the spare field. |
m_clfree |
Specifies the number of free clusters. |
m_drops |
Specifies the times failed to find space. |
m_wait |
Specifies the times waited for space. |
m_drain |
Specifies the times drained protocols for space. |
m_mtypes |
Specifies the type-specific mbuf structure allocations. |
Description
The mbstat structure provides usage
information
for the mbuf services. Statistics can be viewed through the netstat -m
command.
Implementation Specifics
The mbstat structure is part of Base
Operating
System (BOS) Runtime.
Related Information
The netstat command.
I/O Kernel
Services in AIX Kernel Extensions and Device Support Programming Concepts.
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