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_set_loglevel - Set log level of the library 7*436bf2bcSAndroid Build Coastguard Worker 8*436bf2bcSAndroid Build Coastguard WorkerSYNOPSIS 9*436bf2bcSAndroid Build Coastguard Worker-------- 10*436bf2bcSAndroid Build Coastguard Worker[verse] 11*436bf2bcSAndroid Build Coastguard Worker-- 12*436bf2bcSAndroid Build Coastguard Worker*#include <event-parse.h>* 13*436bf2bcSAndroid Build Coastguard Worker 14*436bf2bcSAndroid Build Coastguard Workerenum *tep_loglevel* { 15*436bf2bcSAndroid Build Coastguard Worker TEP_LOG_NONE = 0, 16*436bf2bcSAndroid Build Coastguard Worker TEP_LOG_CRITICAL, 17*436bf2bcSAndroid Build Coastguard Worker TEP_LOG_ERROR, 18*436bf2bcSAndroid Build Coastguard Worker TEP_LOG_WARNING, 19*436bf2bcSAndroid Build Coastguard Worker TEP_LOG_INFO, 20*436bf2bcSAndroid Build Coastguard Worker TEP_LOG_DEBUG, 21*436bf2bcSAndroid Build Coastguard Worker TEP_LOG_ALL 22*436bf2bcSAndroid Build Coastguard Worker}; 23*436bf2bcSAndroid Build Coastguard Worker 24*436bf2bcSAndroid Build Coastguard Workerint *tep_set_loglevel*(enum tep_loglevel _level_); 25*436bf2bcSAndroid Build Coastguard Worker 26*436bf2bcSAndroid Build Coastguard Worker-- 27*436bf2bcSAndroid Build Coastguard WorkerDESCRIPTION 28*436bf2bcSAndroid Build Coastguard Worker----------- 29*436bf2bcSAndroid Build Coastguard WorkerThe *tep_set_loglevel()* function sets the level of the library logs that will be printed 30*436bf2bcSAndroid Build Coastguard Workeron the console. Library log levels are: 31*436bf2bcSAndroid Build Coastguard Worker[verse] 32*436bf2bcSAndroid Build Coastguard Worker-- 33*436bf2bcSAndroid Build Coastguard Worker _TEP_LOG_NONE_ - Do not print any logs. 34*436bf2bcSAndroid Build Coastguard Worker _TEP_LOG_CRITICAL_ - Print critical logs, problem that may cause a crash. 35*436bf2bcSAndroid Build Coastguard Worker _TEP_LOG_ERROR_ - Print error logs, problem that could break the main logic of an API. 36*436bf2bcSAndroid Build Coastguard Worker _TEP_LOG_WARNING_ - Print warnings, problem that could limit the result of an API. 37*436bf2bcSAndroid Build Coastguard Worker _TEP_LOG_INFO_ - Print information about normal execution of an API. 38*436bf2bcSAndroid Build Coastguard Worker _TEP_LOG_DEBUG_ - Print debug information. 39*436bf2bcSAndroid Build Coastguard Worker _TEP_LOG_ALL_ - Print logs from all levels. 40*436bf2bcSAndroid Build Coastguard Worker-- 41*436bf2bcSAndroid Build Coastguard WorkerSetting the log level to specific value means that logs from the previous levels will be printed 42*436bf2bcSAndroid Build Coastguard Workertoo. For example _TEP_LOG_WARNING_ will print any logs with severity _TEP_LOG_WARNING_, 43*436bf2bcSAndroid Build Coastguard Worker_TEP_LOG_ERROR_ and _TEP_LOG_CRITICAL_. The default log level is _TEP_LOG_CRITICAL_. 44*436bf2bcSAndroid Build Coastguard Worker 45*436bf2bcSAndroid Build Coastguard Worker 46*436bf2bcSAndroid Build Coastguard WorkerEXAMPLE 47*436bf2bcSAndroid Build Coastguard Worker------- 48*436bf2bcSAndroid Build Coastguard Worker[source,c] 49*436bf2bcSAndroid Build Coastguard Worker-- 50*436bf2bcSAndroid Build Coastguard Worker#include <event-parse.h> 51*436bf2bcSAndroid Build Coastguard Worker 52*436bf2bcSAndroid Build Coastguard Workertep_set_loglevel(TEP_LOG_ALL); 53*436bf2bcSAndroid Build Coastguard Worker... 54*436bf2bcSAndroid Build Coastguard Worker/* call libtraceevent APIs and observe any logs they produce */ 55*436bf2bcSAndroid Build Coastguard Worker... 56*436bf2bcSAndroid Build Coastguard Workertep_set_loglevel(TEP_LOG_CRITICAL); 57*436bf2bcSAndroid Build Coastguard Worker-- 58*436bf2bcSAndroid Build Coastguard Worker 59*436bf2bcSAndroid Build Coastguard WorkerFILES 60*436bf2bcSAndroid Build Coastguard Worker----- 61*436bf2bcSAndroid Build Coastguard Worker[verse] 62*436bf2bcSAndroid Build Coastguard Worker-- 63*436bf2bcSAndroid Build Coastguard Worker*event-parse.h* 64*436bf2bcSAndroid Build Coastguard Worker Header file to include in order to have access to the library APIs. 65*436bf2bcSAndroid Build Coastguard Worker*-ltraceevent* 66*436bf2bcSAndroid Build Coastguard Worker Linker switch to add when building a program that uses the library. 67*436bf2bcSAndroid Build Coastguard Worker-- 68*436bf2bcSAndroid Build Coastguard Worker 69*436bf2bcSAndroid Build Coastguard WorkerSEE ALSO 70*436bf2bcSAndroid Build Coastguard Worker-------- 71*436bf2bcSAndroid Build Coastguard Worker*libtraceevent*(3), *trace-cmd*(1) 72*436bf2bcSAndroid Build Coastguard Worker 73*436bf2bcSAndroid Build Coastguard WorkerAUTHOR 74*436bf2bcSAndroid Build Coastguard Worker------ 75*436bf2bcSAndroid Build Coastguard Worker[verse] 76*436bf2bcSAndroid Build Coastguard Worker-- 77*436bf2bcSAndroid Build Coastguard Worker*Steven Rostedt* <[email protected]>, author of *libtraceevent*. 78*436bf2bcSAndroid Build Coastguard Worker*Tzvetomir Stoyanov* <[email protected]>, author of this man page. 79*436bf2bcSAndroid Build Coastguard Worker-- 80*436bf2bcSAndroid Build Coastguard WorkerREPORTING BUGS 81*436bf2bcSAndroid Build Coastguard Worker-------------- 82*436bf2bcSAndroid Build Coastguard WorkerReport bugs to <[email protected]> 83*436bf2bcSAndroid Build Coastguard Worker 84*436bf2bcSAndroid Build Coastguard WorkerLICENSE 85*436bf2bcSAndroid Build Coastguard Worker------- 86*436bf2bcSAndroid Build Coastguard Workerlibtraceevent is Free Software licensed under the GNU LGPL 2.1 87*436bf2bcSAndroid Build Coastguard Worker 88*436bf2bcSAndroid Build Coastguard WorkerRESOURCES 89*436bf2bcSAndroid Build Coastguard Worker--------- 90*436bf2bcSAndroid Build Coastguard Workerhttps://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/ 91