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Removed trailing white space at end of lines
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@ -496,7 +496,7 @@ and for the system wide maximum size in bytes of the message pool
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If
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If
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.BR msgrcv ()
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.BR msgrcv ()
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is called with the
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is called with the
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.BR MSG_COPY
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.BR MSG_COPY
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flag, but without
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flag, but without
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.BR IPC_NOWAIT ,
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.BR IPC_NOWAIT ,
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and the message queue contains less than
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and the message queue contains less than
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@ -900,7 +900,7 @@ In glibc 2.11 and earlier, one obtains the definitions by defining
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As noted in
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As noted in
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.BR feature_test_macros (7),
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.BR feature_test_macros (7),
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feature test macros such as
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feature test macros such as
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.BR _POSIX_C_SOURCE ,
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.BR _POSIX_C_SOURCE ,
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.BR _XOPEN_SOURCE ,
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.BR _XOPEN_SOURCE ,
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and
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and
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@ -701,15 +701,15 @@ it means having duplicate
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values in records.
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values in records.
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.TP
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.TP
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.BR PERF_SAMPLE_TRANSACTION " (Since Linux 3.13)"
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.BR PERF_SAMPLE_TRANSACTION " (Since Linux 3.13)"
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Records reasons for transactional memory abort events
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Records reasons for transactional memory abort events
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(for example, from Intel TSX transactional memory support).
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(for example, from Intel TSX transactional memory support).
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The
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The
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.I precise_ip
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.I precise_ip
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setting must be greater than 0 and a transactional memory abort
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setting must be greater than 0 and a transactional memory abort
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event must be measured or no values will be recorded.
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event must be measured or no values will be recorded.
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Also note that some perf_event measurements, such as sampled
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Also note that some perf_event measurements, such as sampled
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cycle counting, may cause extraneous aborts (by causing an
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cycle counting, may cause extraneous aborts (by causing an
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interrupt during a transaction).
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interrupt during a transaction).
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.RE
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.RE
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.TP
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.TP
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@ -713,18 +713,18 @@ This socket option is read-only.
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Sets the approximate time in microseconds to busy poll on a blocking receive
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Sets the approximate time in microseconds to busy poll on a blocking receive
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when there is no data.
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when there is no data.
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Increasing this value requires
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Increasing this value requires
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.BR CAP_NET_ADMIN .
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.BR CAP_NET_ADMIN .
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The default for this option is controlled by the
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The default for this option is controlled by the
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.I /proc/sys/net/core/busy_read
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.I /proc/sys/net/core/busy_read
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file.
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file.
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The value in the
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The value in the
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.I /proc/sys/net/core/busy_poll
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.I /proc/sys/net/core/busy_poll
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file determines how long
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file determines how long
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.BR select (2)
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.BR select (2)
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and
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and
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.BR poll (2)
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.BR poll (2)
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will busy poll when they operate on sockets with
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will busy poll when they operate on sockets with
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.BR SO_BUSY_POLL
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.BR SO_BUSY_POLL
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set and no events to report are found.
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set and no events to report are found.
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@ -900,7 +900,7 @@ Privileged processes
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.RB ( CAP_NET_ADMIN )
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.RB ( CAP_NET_ADMIN )
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processes can choose from any of the available congestion-control algorithms
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processes can choose from any of the available congestion-control algorithms
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(see the description of
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(see the description of
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.IR tcp_available_congestion_control
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.IR tcp_available_congestion_control
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above).
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above).
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.TP
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.TP
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.BR TCP_CORK " (since Linux 2.2)"
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.BR TCP_CORK " (since Linux 2.2)"
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