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log, sync: improve lock contention logging and add time duration

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in microseconds.

Change the function name in order to print "LockContention" instead
of "PrintLockContention" to the log.  Add Doxygen documentation.

With this change, the lock contention log prints:

2021-09-01T11:29:03Z LockContention: pnode->cs_vSend, net.cpp:1373 started
2021-09-01T11:29:03Z LockContention: pnode->cs_vSend, net.cpp:1373 completed (31μs)
2021-09-01T11:29:03Z LockContention: cs_vNodes, net.cpp:2277 started
2021-09-01T11:29:03Z LockContention: cs_vNodes, net.cpp:2277 completed (6μs)
2021-09-01T11:29:04Z LockContention: cs_vNodes, net.cpp:2242 started
2021-09-01T11:29:04Z LockContention: cs_vNodes, net.cpp:2242 completed (3μs)

Co-authored-by: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Co-authored-by: practicalswift <practicalswift@users.noreply.github.com>
This commit is contained in:
Jon Atack
2021-08-18 19:53:42 +02:00
parent 3f4c6b87f1
commit 9b08006bc5
2 changed files with 6 additions and 5 deletions
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6
src/sync.cpp
View File

@@ -9,6 +9,7 @@
#include <sync.h>
#include <logging.h>
#include <logging/timer.h>
#include <tinyformat.h>
#include <util/strencodings.h>
#include <util/threadnames.h>
@@ -27,10 +28,9 @@
#if !defined(HAVE_THREAD_LOCAL)
static_assert(false, "thread_local is not supported");
#endif
void PrintLockContention(const char* pszName, const char* pszFile, int nLine)
void LockContention(const char* pszName, const char* pszFile, int nLine)
{
LogPrint(BCLog::LOCK, "LOCKCONTENTION: %s\n", pszName);
LogPrint(BCLog::LOCK, "Locker: %s:%d\n", pszFile, nLine);
LOG_TIME_MICROS_WITH_CATEGORY(strprintf("%s, %s:%d", pszName, pszFile, nLine), BCLog::LOCK);
}
#endif /* DEBUG_LOCKCONTENTION */