mirror of https://github.com/mkerrisk/man-pages
perf_event_open.2: ffix
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -815,11 +815,11 @@ If set, don't count when the CPU is idle.
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The
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The
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.I mmap
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.I mmap
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bit enables generation of
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bit enables generation of
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.I PERF_RECORD_MMAP
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.B PERF_RECORD_MMAP
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samples for every
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samples for every
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.BR mmap (2)
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.BR mmap (2)
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call that has
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call that has
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.I PROT_EXEC
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.B PROT_EXEC
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set.
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set.
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This allows tools to notice new executable code being mapped into
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This allows tools to notice new executable code being mapped into
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a program (dynamic shared libraries for example)
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a program (dynamic shared libraries for example)
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@ -829,9 +829,9 @@ so that addresses can be mapped back to the original code.
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The
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The
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.I comm
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.I comm
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bit enables tracking of process command name as modified by the
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bit enables tracking of process command name as modified by the
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.IR exec (2)
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.BR exec (2)
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and
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and
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.IR prctl (PR_SET_NAME)
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.BR prctl (PR_SET_NAME)
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system calls.
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system calls.
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Unfortunately for tools,
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Unfortunately for tools,
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there is no way to distinguish one system call versus the other.
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there is no way to distinguish one system call versus the other.
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@ -904,11 +904,11 @@ The counterpart of the
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.I mmap
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.I mmap
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field.
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field.
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This enables generation of
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This enables generation of
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.I PERF_RECORD_MMAP
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.B PERF_RECORD_MMAP
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samples for
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samples for
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.BR mmap (2)
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.BR mmap (2)
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calls that do not have
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calls that do not have
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.I PROT_EXEC
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.B PROT_EXEC
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set (for example data and SysV shared memory).
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set (for example data and SysV shared memory).
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.TP
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.TP
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.IR "sample_id_all" " (Since Linux 2.6.38)"
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.IR "sample_id_all" " (Since Linux 2.6.38)"
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