luke/verilator
1
0
Fork 0
mirror of https://github.com/verilator/verilator.git synced 2026-09-08 18:36:36 +02:00
Code Issues Packages Projects Releases Wiki Activity

Gantt: Subtract common start in slowpath to reduce collection measurement error.

Browse Source
This commit is contained in:
Wilson Snyder
2021-09-23 19:43:20 -04:00
parent 0defb61a18
commit 68f1432a68
4 changed files with 12 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/verilated_threads.cpp
+3 -3
View File
@@ -146,7 +146,7 @@ void VlThreadPool::profileAppendAll(const VlProfileRec& rec) VL_MT_SAFE_EXCLUDES
}
}
void VlThreadPool::profileDump(const char* filenamep, vluint64_t ticksElapsed)
void VlThreadPool::profileDump(const char* filenamep, vluint64_t tickStart, vluint64_t tickEnd)
VL_MT_SAFE_EXCLUDES(m_mutex) {
const VerilatedLockGuard lock{m_mutex};
VL_DEBUG_IF(VL_DBG_MSGF("+prof+threads writing to '%s'\n", filenamep););
@@ -194,14 +194,14 @@ void VlThreadPool::profileDump(const char* filenamep, vluint64_t ticksElapsed)
"VLPROF mtask %d"
" start %" VL_PRI64 "u end %" VL_PRI64 "u elapsed %" VL_PRI64 "u"
" predict_time %u cpu %u on thread %u\n",
ei.m_mtaskId, ei.m_startTime, ei.m_endTime,
ei.m_mtaskId, ei.m_startTime - tickStart, ei.m_endTime - tickStart,
(ei.m_endTime - ei.m_startTime), ei.m_predictTime, ei.m_cpu, thread_id);
break;
default: assert(false); break; // LCOV_EXCL_LINE
}
}
}
fprintf(fp, "VLPROF stat ticks %" VL_PRI64 "u\n", ticksElapsed);
fprintf(fp, "VLPROF stat ticks %" VL_PRI64 "u\n", tickEnd - tickStart);
std::fclose(fp);
}