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| author | Keith Packard <keithp@keithp.com> | 2017-02-16 15:04:43 +0000 |
|---|---|---|
| committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-03-21 10:33:30 +0100 |
| commit | f14f738a627b5a6f6c1242f4fe123e4cc9e9c811 (patch) | |
| tree | f5e76985e4a9701124e021dc4168c0777b6ed11d /nx-X11/programs/Xserver/dix/dispatch.c | |
| parent | 6c076cfe5a656b03d4bd0dd9742e7a02dce2b957 (diff) | |
| download | nx-libs-f14f738a627b5a6f6c1242f4fe123e4cc9e9c811.tar.gz nx-libs-f14f738a627b5a6f6c1242f4fe123e4cc9e9c811.tar.bz2 nx-libs-f14f738a627b5a6f6c1242f4fe123e4cc9e9c811.zip | |
dix/os: Merge priority computation into SmartScheduleClient
Backported from X.org:
commit 7762a602c1dfdd8cfcf2b8c2281cf4d683d05216
Author: Keith Packard <keithp@keithp.com>
Date: Thu May 19 15:05:55 2016 -0700
dix/os: Merge priority computation into SmartScheduleClient
Instead of having scheduling done in two places (one in
WaitForSomething, and the other in SmartScheduleClient), just stick
all of the scheduling in SmartScheduleClient.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Backported-to-NX-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Diffstat (limited to 'nx-X11/programs/Xserver/dix/dispatch.c')
| -rw-r--r-- | nx-X11/programs/Xserver/dix/dispatch.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/nx-X11/programs/Xserver/dix/dispatch.c b/nx-X11/programs/Xserver/dix/dispatch.c index 7b2aa7b3d..68c207e33 100644 --- a/nx-X11/programs/Xserver/dix/dispatch.c +++ b/nx-X11/programs/Xserver/dix/dispatch.c @@ -240,15 +240,13 @@ void InitProcVectors(void); int SmartScheduleClient (int *clientReady, int nready) { - ClientPtr pClient; int i; int client; - int bestPrio, best = 0; + ClientPtr pClient, best = NULL; int bestRobin, robin; long now = SmartScheduleTime; long idle; - bestPrio = -0x7fffffff; bestRobin = 0; idle = 2 * SmartScheduleSlice; for (i = 0; i < nready; i++) @@ -264,13 +262,19 @@ SmartScheduleClient (int *clientReady, int nready) pClient->smart_check_tick = now; /* check priority to select best client */ - robin = (pClient->index - SmartLastIndex[pClient->smart_priority-SMART_MIN_PRIORITY]) & 0xff; - if (pClient->smart_priority > bestPrio || - (pClient->smart_priority == bestPrio && robin > bestRobin)) + robin = (pClient->index - + SmartLastIndex[pClient->smart_priority - + SMART_MIN_PRIORITY]) & 0xff; + + /* pick the best client */ + if (!best || + pClient->priority > best->priority || + (pClient->priority == best->priority && + (pClient->smart_priority > best->smart_priority || + (pClient->smart_priority == best->smart_priority && robin > bestRobin)))) { - bestPrio = pClient->smart_priority; + best = pClient; bestRobin = robin; - best = client; } #ifdef SMART_DEBUG if ((now - SmartLastPrint) >= 5000) @@ -284,8 +288,7 @@ SmartScheduleClient (int *clientReady, int nready) SmartLastPrint = now; } #endif - pClient = clients[best]; - SmartLastIndex[bestPrio-SMART_MIN_PRIORITY] = pClient->index; + SmartLastIndex[best->smart_priority - SMART_MIN_PRIORITY] = best->index; /* * Set current client pointer */ @@ -314,7 +317,7 @@ SmartScheduleClient (int *clientReady, int nready) { SmartScheduleSlice = SmartScheduleInterval; } - return best; + return best->index; } #ifndef NXAGENT_SERVER |