1*436bf2bcSAndroid Build Coastguard Workerlibtraceevent(3) 2*436bf2bcSAndroid Build Coastguard Worker================ 3*436bf2bcSAndroid Build Coastguard Worker 4*436bf2bcSAndroid Build Coastguard WorkerNAME 5*436bf2bcSAndroid Build Coastguard Worker---- 6*436bf2bcSAndroid Build Coastguard Workertep_get_cpus, tep_set_cpus - Get / set the number of CPUs, which have a tracing 7*436bf2bcSAndroid Build Coastguard Workerbuffer representing it. Note, the buffer may be empty. 8*436bf2bcSAndroid Build Coastguard Worker 9*436bf2bcSAndroid Build Coastguard WorkerSYNOPSIS 10*436bf2bcSAndroid Build Coastguard Worker-------- 11*436bf2bcSAndroid Build Coastguard Worker[verse] 12*436bf2bcSAndroid Build Coastguard Worker-- 13*436bf2bcSAndroid Build Coastguard Worker*#include <event-parse.h>* 14*436bf2bcSAndroid Build Coastguard Worker 15*436bf2bcSAndroid Build Coastguard Workerint *tep_get_cpus*(struct tep_handle pass:[*]_tep_); 16*436bf2bcSAndroid Build Coastguard Workervoid *tep_set_cpus*(struct tep_handle pass:[*]_tep_, int _cpus_); 17*436bf2bcSAndroid Build Coastguard Worker-- 18*436bf2bcSAndroid Build Coastguard Worker 19*436bf2bcSAndroid Build Coastguard WorkerDESCRIPTION 20*436bf2bcSAndroid Build Coastguard Worker----------- 21*436bf2bcSAndroid Build Coastguard WorkerThe *tep_get_cpus()* function gets the number of CPUs, which have a tracing 22*436bf2bcSAndroid Build Coastguard Workerbuffer representing it. The _tep_ argument is trace event parser context. 23*436bf2bcSAndroid Build Coastguard Worker 24*436bf2bcSAndroid Build Coastguard WorkerThe *tep_set_cpus()* function sets the number of CPUs, which have a tracing 25*436bf2bcSAndroid Build Coastguard Workerbuffer representing it. The _tep_ argument is trace event parser context. 26*436bf2bcSAndroid Build Coastguard WorkerThe _cpu_ argument is the number of CPUs with tracing data. 27*436bf2bcSAndroid Build Coastguard Worker 28*436bf2bcSAndroid Build Coastguard WorkerRETURN VALUE 29*436bf2bcSAndroid Build Coastguard Worker------------ 30*436bf2bcSAndroid Build Coastguard WorkerThe *tep_get_cpus()* functions returns the number of CPUs, which have tracing 31*436bf2bcSAndroid Build Coastguard Workerdata recorded. 32*436bf2bcSAndroid Build Coastguard Worker 33*436bf2bcSAndroid Build Coastguard WorkerEXAMPLE 34*436bf2bcSAndroid Build Coastguard Worker------- 35*436bf2bcSAndroid Build Coastguard Worker[source,c] 36*436bf2bcSAndroid Build Coastguard Worker-- 37*436bf2bcSAndroid Build Coastguard Worker#include <event-parse.h> 38*436bf2bcSAndroid Build Coastguard Worker... 39*436bf2bcSAndroid Build Coastguard Workerstruct tep_handle *tep = tep_alloc(); 40*436bf2bcSAndroid Build Coastguard Worker... 41*436bf2bcSAndroid Build Coastguard Worker tep_set_cpus(tep, 5); 42*436bf2bcSAndroid Build Coastguard Worker... 43*436bf2bcSAndroid Build Coastguard Worker printf("We have tracing data for %d CPUs", tep_get_cpus(tep)); 44*436bf2bcSAndroid Build Coastguard Worker-- 45*436bf2bcSAndroid Build Coastguard Worker 46*436bf2bcSAndroid Build Coastguard WorkerFILES 47*436bf2bcSAndroid Build Coastguard Worker----- 48*436bf2bcSAndroid Build Coastguard Worker[verse] 49*436bf2bcSAndroid Build Coastguard Worker-- 50*436bf2bcSAndroid Build Coastguard Worker*event-parse.h* 51*436bf2bcSAndroid Build Coastguard Worker Header file to include in order to have access to the library APIs. 52*436bf2bcSAndroid Build Coastguard Worker*-ltraceevent* 53*436bf2bcSAndroid Build Coastguard Worker Linker switch to add when building a program that uses the library. 54*436bf2bcSAndroid Build Coastguard Worker-- 55*436bf2bcSAndroid Build Coastguard Worker 56*436bf2bcSAndroid Build Coastguard WorkerSEE ALSO 57*436bf2bcSAndroid Build Coastguard Worker-------- 58*436bf2bcSAndroid Build Coastguard Worker*libtraceevent*(3), *trace-cmd*(1) 59*436bf2bcSAndroid Build Coastguard Worker 60*436bf2bcSAndroid Build Coastguard WorkerAUTHOR 61*436bf2bcSAndroid Build Coastguard Worker------ 62*436bf2bcSAndroid Build Coastguard Worker[verse] 63*436bf2bcSAndroid Build Coastguard Worker-- 64*436bf2bcSAndroid Build Coastguard Worker*Steven Rostedt* <[email protected]>, author of *libtraceevent*. 65*436bf2bcSAndroid Build Coastguard Worker*Tzvetomir Stoyanov* <[email protected]>, author of this man page. 66*436bf2bcSAndroid Build Coastguard Worker-- 67*436bf2bcSAndroid Build Coastguard WorkerREPORTING BUGS 68*436bf2bcSAndroid Build Coastguard Worker-------------- 69*436bf2bcSAndroid Build Coastguard WorkerReport bugs to <[email protected]> 70*436bf2bcSAndroid Build Coastguard Worker 71*436bf2bcSAndroid Build Coastguard WorkerLICENSE 72*436bf2bcSAndroid Build Coastguard Worker------- 73*436bf2bcSAndroid Build Coastguard Workerlibtraceevent is Free Software licensed under the GNU LGPL 2.1 74*436bf2bcSAndroid Build Coastguard Worker 75*436bf2bcSAndroid Build Coastguard WorkerRESOURCES 76*436bf2bcSAndroid Build Coastguard Worker--------- 77*436bf2bcSAndroid Build Coastguard Workerhttps://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ 78