pespin has uploaded this change for review. (
https://gerrit.osmocom.org/c/libosmocore/+/41990?usp=email )
Change subject: logging_file: Request up to 8 iofd write buffers if available
......................................................................
logging_file: Request up to 8 iofd write buffers if available
This should help in decreasing latency between submitting a logging line
and getting it written to file. It should, for the same reason, optimize
CPU use.
Change-Id: Ia88b27948922d278e0f72fc2aac4b4ae88465b4d
---
M src/core/logging_file.c
1 file changed, 4 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/90/41990/1
diff --git a/src/core/logging_file.c b/src/core/logging_file.c
index 9c7cf36..067f993 100644
--- a/src/core/logging_file.c
+++ b/src/core/logging_file.c
@@ -253,6 +253,10 @@
_log_target_file_setup_talloc_pool(target);
osmo_iofd_set_txqueue_max_length(iofd,
OSMO_MAX(osmo_iofd_get_txqueue_max_length(iofd), LOG_WQUEUE_LEN));
+ /* Request to use 8 write buffers, or less if not as many are
available: */
+ rc = osmo_iofd_set_io_buffers(iofd, OSMO_IO_OP_WRITE, 0);
+ rc = osmo_iofd_set_io_buffers(iofd, OSMO_IO_OP_WRITE, OSMO_MIN(rc, 8));
+
rc = osmo_iofd_register(iofd, -1);
if (rc < 0) {
osmo_iofd_free(iofd);
--
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Gerrit-MessageType: newchange
Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: Ia88b27948922d278e0f72fc2aac4b4ae88465b4d
Gerrit-Change-Number: 41990
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <[email protected]>
