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logvisor
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Better performance on backtrace generation

This commit is contained in:
Jack Andersen 2016-09-18 13:46:05 -10:00
parent 469bd97ce6
commit 31aea91ea3
1 changed files with 24 additions and 17 deletions
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41
lib/logvisor.cpp
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@ -134,27 +134,34 @@ void logvisorAbort()
readlink("/proc/self/exe", exeNameBuffer, exeBufSize); readlink("/proc/self/exe", exeNameBuffer, exeBufSize);
#endif #endif
char cmdLine[1024];
#if __APPLE__
snprintf(cmdLine, 1024, "atos -p %p", getpid());
#else
snprintf(cmdLine, 1024, "addr2line -C -f -e \"%s\"", exeNameBuffer);
#endif
std::string cmdLineStr = cmdLine;
for (size_t i = 0; i < size; i++) for (size_t i = 0; i < size; i++)
{ {
fprintf(stderr, "- "); snprintf(cmdLine, 128, " %p", array[i]);
cmdLineStr += cmdLine;
}
char cmdLine[512]; FILE* fp = popen(cmdLineStr.c_str(), "r");
#if __APPLE__ if (fp)
snprintf(cmdLine, 512, "atos -p %p %p", getpid(), array[i]); {
#else char readBuf[256];
snprintf(cmdLine, 512, "addr2line -C -f -e \"%s\" %p", exeNameBuffer, array[i]); size_t readSz;
#endif while ((readSz = fread(readBuf, 1, 256, fp)))
FILE* fp = popen(cmdLine, "r"); fwrite(readBuf, 1, readSz, stderr);
if (fp) pclose(fp);
{ }
char readBuf[256]; else
size_t readSz; {
while ((readSz = fread(readBuf, 1, 256, fp))) for (size_t i = 0; i < size; i++)
fwrite(readBuf, 1, readSz, stderr);
fclose(fp);
}
else
{ {
fprintf(stderr, "- ");
Dl_info dlip; Dl_info dlip;
if (dladdr(array[i], &dlip)) if (dladdr(array[i], &dlip))
{ {