hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
78 lines
1.7 KiB
Plaintext
78 lines
1.7 KiB
Plaintext
libtraceevent(3)
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================
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NAME
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----
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tep_get_cpus, tep_set_cpus - Get / set the number of CPUs, which have a tracing
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buffer representing it. Note, the buffer may be empty.
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SYNOPSIS
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--------
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[verse]
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--
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*#include <event-parse.h>*
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int *tep_get_cpus*(struct tep_handle pass:[*]_tep_);
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void *tep_set_cpus*(struct tep_handle pass:[*]_tep_, int _cpus_);
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--
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DESCRIPTION
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-----------
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The *tep_get_cpus()* function gets the number of CPUs, which have a tracing
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buffer representing it. The _tep_ argument is trace event parser context.
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The *tep_set_cpus()* function sets the number of CPUs, which have a tracing
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buffer representing it. The _tep_ argument is trace event parser context.
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The _cpu_ argument is the number of CPUs with tracing data.
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RETURN VALUE
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------------
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The *tep_get_cpus()* functions returns the number of CPUs, which have tracing
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data recorded.
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EXAMPLE
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-------
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[source,c]
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--
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#include <event-parse.h>
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...
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struct tep_handle *tep = tep_alloc();
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...
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tep_set_cpus(tep, 5);
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...
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printf("We have tracing data for %d CPUs", tep_get_cpus(tep));
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--
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FILES
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-----
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[verse]
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--
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*event-parse.h*
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Header file to include in order to have access to the library APIs.
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*-ltraceevent*
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Linker switch to add when building a program that uses the library.
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--
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SEE ALSO
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--------
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*libtraceevent*(3), *trace-cmd*(1)
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AUTHOR
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------
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[verse]
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--
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*Steven Rostedt* <rostedt@goodmis.org>, author of *libtraceevent*.
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*Tzvetomir Stoyanov* <tz.stoyanov@gmail.com>, author of this man page.
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--
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REPORTING BUGS
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--------------
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Report bugs to <linux-trace-devel@vger.kernel.org>
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LICENSE
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-------
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libtraceevent is Free Software licensed under the GNU LGPL 2.1
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RESOURCES
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---------
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https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/
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