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  Jenkins Builder: Verified
  pespin: Looks good to me, but someone else must approve
  laforge: Looks good to me, approved

Add realtime scheduling and set priority in service file

This sets highest realtime priority among all Osmocom services.

Related: OS#5687
Change-Id: Id74acf201d4388493f0eeb38909641c662551164
---
M contrib/systemd/osmo-trx-ipc.service
M contrib/systemd/osmo-trx-lms.service
M contrib/systemd/osmo-trx-uhd.service
M contrib/systemd/osmo-trx-usrp1.service
4 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/contrib/systemd/osmo-trx-ipc.service b/contrib/systemd/osmo-trx-ipc.service
index 568fff9..8828393 100644
--- a/contrib/systemd/osmo-trx-ipc.service
+++ b/contrib/systemd/osmo-trx-ipc.service
@@ -8,6 +8,11 @@
 WorkingDirectory=%S/osmocom
 ExecStart=/usr/bin/osmo-trx-ipc -C /etc/osmocom/osmo-trx-ipc.cfg
 RestartSec=2
+# CPU scheduling policy:
+CPUSchedulingPolicy=rr
+# For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):
+CPUSchedulingPriority=21
+# See sched(7) for further details on real-time policies and priorities
 
 [Install]
 WantedBy=multi-user.target
diff --git a/contrib/systemd/osmo-trx-lms.service b/contrib/systemd/osmo-trx-lms.service
index bb4edb2..93e4407 100644
--- a/contrib/systemd/osmo-trx-lms.service
+++ b/contrib/systemd/osmo-trx-lms.service
@@ -8,6 +8,11 @@
 WorkingDirectory=%S/osmocom
 ExecStart=/usr/bin/osmo-trx-lms -C /etc/osmocom/osmo-trx-lms.cfg
 RestartSec=2
+# CPU scheduling policy:
+CPUSchedulingPolicy=rr
+# For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):
+CPUSchedulingPriority=21
+# See sched(7) for further details on real-time policies and priorities
 
 [Install]
 WantedBy=multi-user.target
diff --git a/contrib/systemd/osmo-trx-uhd.service b/contrib/systemd/osmo-trx-uhd.service
index aaf5e8c..f78888c 100644
--- a/contrib/systemd/osmo-trx-uhd.service
+++ b/contrib/systemd/osmo-trx-uhd.service
@@ -8,6 +8,11 @@
 WorkingDirectory=%S/osmocom
 ExecStart=/usr/bin/osmo-trx-uhd -C /etc/osmocom/osmo-trx-uhd.cfg
 RestartSec=2
+# CPU scheduling policy:
+CPUSchedulingPolicy=rr
+# For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):
+CPUSchedulingPriority=21
+# See sched(7) for further details on real-time policies and priorities
 
 [Install]
 WantedBy=multi-user.target
diff --git a/contrib/systemd/osmo-trx-usrp1.service b/contrib/systemd/osmo-trx-usrp1.service
index 2a662d3..401139e 100644
--- a/contrib/systemd/osmo-trx-usrp1.service
+++ b/contrib/systemd/osmo-trx-usrp1.service
@@ -8,6 +8,11 @@
 WorkingDirectory=%S/osmocom
 ExecStart=/usr/bin/osmo-trx-usrp1 -C /etc/osmocom/osmo-trx-usrp1.cfg
 RestartSec=2
+# CPU scheduling policy:
+CPUSchedulingPolicy=rr
+# For real-time scheduling policies an integer between 1 (lowest priority) and 99 (highest priority):
+CPUSchedulingPriority=21
+# See sched(7) for further details on real-time policies and priorities
 
 [Install]
 WantedBy=multi-user.target

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