5:44 a.m.
The messages are not really useful to us, but they do bloat the
debugging output of virt-v2v massively:
nbdkit: python[1]: debug: acquire global request lock
nbdkit: python[1]: debug: acquire per-connection request lock
nbdkit: python[1]: debug: acquire unload prevention lock
nbdkit: python[1]: debug: pwrite count=2097152 offset=4628414464 fua=0
nbdkit: python[1]: debug: release unload prevention lock
nbdkit: python[1]: debug: release per-connection request lock
nbdkit: python[1]: debug: release global request lock
We probably need some kind of level of verbosity to deal with this
sort of thing, but that's quite a large change.
Rich.
5:44 a.m.
New subject: [PATCH nbdkit] locks: Remove debugging messages about acquiring/releasing locks.
---
src/locks.c | 26 ++++++--------------------
1 file changed, 6 insertions(+), 20 deletions(-)
diff --git a/src/locks.c b/src/locks.c
index bd8fd99..1724b5a 100644
--- a/src/locks.c
+++ b/src/locks.c
@@ -56,53 +56,39 @@ lock_init_thread_model (void)
void
lock_connection (void)
{
- if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_CONNECTIONS) {
- debug ("acquire connection lock");
+ if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_CONNECTIONS)
pthread_mutex_lock (&connection_lock);
- }
}
void
unlock_connection (void)
{
- if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_CONNECTIONS) {
- debug ("release connection lock");
+ if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_CONNECTIONS)
pthread_mutex_unlock (&connection_lock);
- }
}
void
lock_request (struct connection *conn)
{
- if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_ALL_REQUESTS) {
- debug ("acquire global request lock");
+ if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_ALL_REQUESTS)
pthread_mutex_lock (&all_requests_lock);
- }
- if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_REQUESTS) {
- debug ("acquire per-connection request lock");
+ if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_REQUESTS)
pthread_mutex_lock (connection_get_request_lock (conn));
- }
- debug ("acquire unload prevention lock");
pthread_rwlock_rdlock (&unload_prevention_lock);
}
void
unlock_request (struct connection *conn)
{
- debug ("release unload prevention lock");
pthread_rwlock_unlock (&unload_prevention_lock);
- if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_REQUESTS) {
- debug ("release per-connection request lock");
+ if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_REQUESTS)
pthread_mutex_unlock (connection_get_request_lock (conn));
- }
- if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_ALL_REQUESTS) {
- debug ("release global request lock");
+ if (thread_model <= NBDKIT_THREAD_MODEL_SERIALIZE_ALL_REQUESTS)
pthread_mutex_unlock (&all_requests_lock);
- }
}
void
--
2.16.2
6:45 a.m.
New subject: [PATCH nbdkit] locks: Remove debugging messages about acquiring/releasing locks.
On 06/06/2018 05:44 AM, Richard W.M. Jones wrote:
---
src/locks.c | 26 ++++++--------------------
1 file changed, 6 insertions(+), 20 deletions(-)
Might be worth reusing part of your 0/1 cover letter in the actual
commit message; but looks reasonable to me.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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Richard W.M. Jones