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Commit 308e3545 authored by Jack He's avatar Jack He
Browse files

Cert: print PID and TID in host log output 

* This helps debugging multi-threaded issues with cert tests
* Sample output:

2021-08-18 02:40:01.388 3897800 3897925 BtGdModule - system/bt/gd/module.cc:99 - Start: Started SnoopLogger

Bug: 192010795
Tag: #gd-refactor
Test: gd/cert/run SimpleHalTest
BYPASS_LONG_LINES_REASON: Bluetooth likes 120 lines

Change-Id: Iebaec7c3b02d46a14e8df986423b655396a581a1
parent 65c0c8ee

system/gd/os/log.h

+16 −1
Original line number Diff line number Diff line
@@ -67,6 +67,10 @@ static_assert(LOG_TAG != nullptr, "LOG_TAG is null after header inclusion"); 
#include <cstdio>

#include <ctime>



#include <sys/syscall.h>

#include <sys/types.h>

#include <unistd.h>



#define LOGWRAPPER(fmt, args...)                                                                                    \

  do {                                                                                                              \

    auto _now = std::chrono::system_clock::now();                                                                   \
@@ -77,7 +81,18 @@ static_assert(LOG_TAG != nullptr, "LOG_TAG is null after header inclusion"); 
    auto l = std::strftime(_buf, sizeof(_buf), "%Y-%m-%d %H:%M:%S", std::localtime(&_now_t));                       \

    snprintf(                                                                                                       \

        _buf + l, sizeof(_buf) - l, ".%03u", static_cast<unsigned int>(_now_ms.time_since_epoch().count() % 1000)); \

    fprintf(stderr, "%s %s - %s:%d - %s: " fmt "\n", _buf, LOG_TAG, __FILE__, __LINE__, __func__, ##args);          \

    /* pid max is 2^22 = 4194304 in 64-bit system, and 32768 by default, hence 7 digits are needed most */          \

    fprintf(                                                                                                        \

        stderr,                                                                                                     \

        "%s %7d %7ld %s - %s:%d - %s: " fmt "\n",                                                                   \

        _buf,                                                                                                       \

        static_cast<int>(getpid()),                                                                                 \

        syscall(SYS_gettid),                                                                                        \

        LOG_TAG,                                                                                                    \

        __FILE__,                                                                                                   \

        __LINE__,                                                                                                   \

        __func__,                                                                                                   \

        ##args);                                                                                                    \

  } while (false)



#ifdef FUZZ_TARGET