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Commit ad7287d1 authored by Diogo Ferreira's avatar Diogo Ferreira Committed by Ricardo Cerqueira
Browse files

liblog: Forward xlog to regular android buffers on demand 

This may be useful when dealing with proprietary blobs like video
where they spit a ton of useful debug information through xlog.

Also, bring it up if MTKLogger is active

Change-Id: I67bc397bfa935aa0716502f949fc7ab6c6b1dfd3
parent 92d5ea9c

liblog/logd_write.c

+42 −1
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ 
#include <android/set_abort_message.h>

#endif



#ifdef MOTOROLA_LOG

#if defined(MOTOROLA_LOG) || defined(MTK_HARDWARE)

#if HAVE_LIBC_SYSTEM_PROPERTIES

#include <sys/system_properties.h>

#endif
@@ -609,3 +609,44 @@ int __android_log_bswrite(int32_t tag, const char *payload) 


    return write_to_log(LOG_ID_EVENTS, vec, 4);

}



#ifdef MTK_HARDWARE

struct xlog_record {

    const char *tag_str;

    const char *fmt_str;

    int prio;

};



void __attribute__((weak)) __xlog_buf_printf(int bufid, const struct xlog_record *xlog_record, ...) {

    va_list args;

    va_start(args, xlog_record);

#if    HAVE_LIBC_SYSTEM_PROPERTIES

    int len = 0;

    int do_xlog = 0;

    char results[PROP_VALUE_MAX];





    // MobileLog

    len = __system_property_get ("debug.MB.running", results);

    if (len && atoi(results))

        do_xlog = 1;



    // ModemLog

    len = __system_property_get ("debug.mdlogger.Running", results);

    if (len && atoi(results))

        do_xlog = 1;



    // Manual

    len = __system_property_get ("persist.debug.xlog.enable", results);

    if (len && atoi(results))

        do_xlog = 1;



    if (do_xlog > 0)

#endif

        __android_log_vprint(xlog_record->prio, xlog_record->tag_str, xlog_record->fmt_str, args);



    // get rid of "unused parameter 'bufid'"

    bufid = bufid;

    return;

}

#endif