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77 lines
1.7 KiB
77 lines
1.7 KiB
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* <[email protected]>, author of *libtraceevent*. |
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*Tzvetomir Stoyanov* <[email protected]>, 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 <[email protected]> |
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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/linux/kernel/git/torvalds/linux.git
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