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| author | dimitri staessens <dimitri.staessens@ugent.be> | 2017-09-21 14:36:12 +0200 |
|---|---|---|
| committer | dimitri staessens <dimitri.staessens@ugent.be> | 2017-09-21 14:47:29 +0200 |
| commit | 2c1d03ac383c1a4380aa540a29d95c1b788d2439 (patch) | |
| tree | 5465553caae2fbbc8d5878902559c89e5133dba8 /src/ipcpd/CMakeLists.txt | |
| parent | 6b6f82c8a58b2edbd029909be2ba1057c00cd6ed (diff) | |
| download | ouroboros-2c1d03ac383c1a4380aa540a29d95c1b788d2439.tar.gz ouroboros-2c1d03ac383c1a4380aa540a29d95c1b788d2439.zip | |
ipcpd: Use the kernel scheduler for QoS
This revises the sdu_scheduler of the normal IPCP to create a
scheduler thread per QoS cube and let the kernel scheduler schedule
them based on a priority. Priorities can be set at build time in a
range of 0-100, which will be mapped onto a suitable priority for the
kernel scheduler. The current scheduler policy is fixed to SCHED_RR
since it is the most suitable scheduler defined by POSIX.
Diffstat (limited to 'src/ipcpd/CMakeLists.txt')
| -rw-r--r-- | src/ipcpd/CMakeLists.txt | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/ipcpd/CMakeLists.txt b/src/ipcpd/CMakeLists.txt index 6356b1ba..a71c4e98 100644 --- a/src/ipcpd/CMakeLists.txt +++ b/src/ipcpd/CMakeLists.txt @@ -1,12 +1,28 @@ set(IPCP_ACCEPT_TIMEOUT 100 CACHE STRING "Timeout for accept in IPCP mainloop threads (ms)") -set(IPCP_SCHED_THREADS 2 CACHE STRING - "Number of scheduler threads in the normal IPCP") +set(IPCP_QOS_CUBE_BE_PRIO 0 CACHE STRING + "Priority for best effort QoS cube (0-99)") +set(IPCP_QOS_CUBE_VIDEO_PRIO 90 CACHE STRING + "Priority for video QoS cube (0-99)") +set(IPCP_QOS_CUBE_VOICE_PRIO 99 CACHE STRING + "Priority for voice QoS cube (0-99)") set(IPCP_MIN_THREADS 4 CACHE STRING "Minimum number of worker threads in the IPCP") set(IPCP_ADD_THREADS 4 CACHE STRING "Number of extra threads to start when an IPCP faces thread starvation") +if ((IPCP_QOS_CUBE_BE_PRIO LESS 0) OR (IPCP_QOS_CUBE_BE_PRIO GREATER 99)) + message(FATAL_ERROR "Invalid priority for best effort QoS cube") +endif () + +if ((IPCP_QOS_CUBE_VIDEO_PRIO LESS 0) OR (IPCP_QOS_CUBE_VIDEO_PRIO GREATER 99)) + message(FATAL_ERROR "Invalid priority for video QoS cube") +endif () + +if ((IPCP_QOS_CUBE_VOICE_PRIO LESS 0) OR (IPCP_QOS_CUBE_VOICE_PRIO GREATER 99)) + message(FATAL_ERROR "Invalid priority for voice QoS cube") +endif () + set(IPCP_SOURCES # Add source files here ${CMAKE_CURRENT_SOURCE_DIR}/ipcp.c |