pespin has uploaded this change for review.
Set sched RR Priority on main thread
Since we are still affected by Python GIL, it makes sense to also set
the main thread (which is actually also expected to be real time) to a
real time priority.
Use a slightly higher rr prio (prio + 1) to the clckgen thread.
Change-Id: I6aa22125e7de4f472d691b271639d5bee25762cb
---
M src/target/trx_toolkit/fake_trx.py
1 file changed, 10 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/17/39817/1
diff --git a/src/target/trx_toolkit/fake_trx.py b/src/target/trx_toolkit/fake_trx.py
index ddeb083..8f187ac 100755
--- a/src/target/trx_toolkit/fake_trx.py
+++ b/src/target/trx_toolkit/fake_trx.py
@@ -27,6 +27,7 @@
import select
import sys
import re
+import os
from app_common import ApplicationBase
from burst_fwd import BurstForwarder
@@ -397,7 +398,7 @@
self.trx_list = TRXList()
# Init shared clock generator
- self.clck_gen = CLCKGen([], sched_rr_prio = self.argv.sched_rr_prio)
+ self.clck_gen = CLCKGen([], sched_rr_prio = None if self.argv.sched_rr_prio is None else self.argv.sched_rr_prio + 1)
# This method will be called on each TDMA frame
self.clck_gen.clck_handler = self.clck_handler
@@ -450,6 +451,14 @@
trx_parent.child_trx_list.add_trx(trx_child)
def run(self):
+ if self.argv.sched_rr_prio is not None:
+ sched_param = os.sched_param(self.argv.sched_rr_prio)
+ try:
+ log.info("Setting real time process scheduler to SCHED_RR, priority %u" % (self.argv.sched_rr_prio))
+ os.sched_setscheduler(0, os.SCHED_RR, sched_param)
+ except OSError:
+ log.error("Failed to set real time process scheduler to SCHED_RR, priority %u" % (self.argv.sched_rr_prio))
+
# Compose list of to be monitored sockets
sock_list = []
for trx in self.trx_list.trx_list:
To view, visit change 39817. To unsubscribe, or for help writing mail filters, visit settings.