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Commit 6884e6a5 authored by Mathieu Bérard's avatar Mathieu Bérard Committed by Mike Gabriel
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The smart scheduler is not optional.

Backported from X.org: commit 9f9268821b13038556fbc029df54ab0e9b2aa77f Author: Mathieu Bérard <mathieu.berard@crans.org> Date: Mon Aug 11 13:52:38 2008 -0400 The smart scheduler is not optional. Backported-to-NX-by: 's avatarMike Gabriel <mike.gabriel@das-netzwerkteam.de>
parent 0a7df077
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nx-X11/config/cf/xorg.cf
View file @ 6884e6a5
......@@ -568,23 +568,12 @@ IPLAN2P8_DEFS = -DUSE_IPLAN2P8
# endif
#endif
#ifndef UseSmartScheduler
#define UseSmartScheduler YES
#endif
#if UseSmartScheduler
#define SmartScheduleDefines -DSMART_SCHEDULE
#else
#define SmartScheduleDefines /**/
#endif
/* Server defines required for all OSs */
#ifndef XFree86ServerDefines
# define XFree86ServerDefines -DAVOID_GLYPHBLT -DPIXPRIV -DSINGLEDEPTH \
XFree86XvDefines \
-DXFree86Server \
XFree86XvMCDefines \
SmartScheduleDefines \
DebugDefines XFree86XResDefines \
-DX_BYTE_ORDER=$(X_BYTE_ORDER) \
VersionDefines
......
nx-X11/programs/Xserver/damageext/damageext.c
View file @ 6884e6a5
......@@ -84,9 +84,7 @@ DamageExtNotify (DamageExtPtr pDamageExt, BoxPtr pBoxes, int nBoxes)
if (pDamageClient->critical > 0)
{
SetCriticalOutputPending ();
#ifdef SMART_SCHEDULE
pClient->smart_priority = SMART_MAX_PRIORITY;
#endif
}
}
......
nx-X11/programs/Xserver/dix/dispatch.c
View file @ 6884e6a5
......@@ -243,8 +243,6 @@ FlushClientCaches(XID id)
}
}
}
#ifdef SMART_SCHEDULE
#undef SMART_DEBUG
#define SMART_SCHEDULE_DEFAULT_INTERVAL 20 /* ms */
......@@ -345,7 +343,6 @@ SmartScheduleClient (int *clientReady, int nready)
}
return best;
}
#endif
#ifndef NXAGENT_SERVER
#define MAJOROP ((xReq *)client->requestBuffer)->reqType
......@@ -358,9 +355,7 @@ Dispatch(void)
register ClientPtr client;
register int nready;
register HWEventQueuePtr* icheck = checkForInput;
#ifdef SMART_SCHEDULE
long start_tick;
#endif
nextFreeClientID = 1;
InitSelections();
......@@ -380,13 +375,11 @@ Dispatch(void)
nready = WaitForSomething(clientReady);
#ifdef SMART_SCHEDULE
if (nready && !SmartScheduleDisable)
{
clientReady[0] = SmartScheduleClient (clientReady, nready);
nready = 1;
}
#endif
/*****************
* Handle events in round robin fashion, doing input between
* each round
......@@ -409,9 +402,7 @@ Dispatch(void)
isItTimeToYield = FALSE;
requestingClient = client;
#ifdef SMART_SCHEDULE
start_tick = SmartScheduleTime;
#endif
while (!isItTimeToYield)
{
if (*icheck[0] != *icheck[1])
......@@ -419,7 +410,6 @@ Dispatch(void)
ProcessInputEvents();
FlushIfCriticalOutputPending();
}
#ifdef SMART_SCHEDULE
if (!SmartScheduleDisable &&
(SmartScheduleTime - start_tick) >= SmartScheduleSlice)
{
......@@ -428,7 +418,6 @@ Dispatch(void)
client->smart_priority--;
break;
}
#endif
/* now, finally, deal with client requests */
result = ReadRequestFromClient(client);
......@@ -466,11 +455,9 @@ Dispatch(void)
#endif
}
FlushAllOutput();
#ifdef SMART_SCHEDULE
client = clients[clientReady[nready]];
if (client)
client->smart_stop_tick = SmartScheduleTime;
#endif
requestingClient = NULL;
}
dispatchException &= ~DE_PRIORITYCHANGE;
......@@ -3593,9 +3580,7 @@ CloseDownClient(register ClientPtr client)
if (client->index < nextFreeClientID)
nextFreeClientID = client->index;
clients[client->index] = NullClient;
#ifdef SMART_SCHEDULE
SmartLastClient = NullClient;
#endif
free(client);
while (!clients[currentMaxClients-1])
......@@ -3684,12 +3669,10 @@ void InitClient(ClientPtr client, int i, void * ospriv)
client->authId = 0;
#endif
client->fontResFunc = NULL;
#ifdef SMART_SCHEDULE
client->smart_priority = 0;
client->smart_start_tick = SmartScheduleTime;
client->smart_stop_tick = SmartScheduleTime;
client->smart_check_tick = SmartScheduleTime;
#endif
}
extern int clientPrivateLen;
......
nx-X11/programs/Xserver/dix/events.c
View file @ 6884e6a5
......@@ -1542,10 +1542,8 @@ TryClientEvents (ClientPtr client, xEvent *pEvents, int count, Mask mask,
#endif
if (BitIsOn(criticalEvents, type))
{
#ifdef SMART_SCHEDULE
if (client->smart_priority < SMART_MAX_PRIORITY)
client->smart_priority++;
#endif
SetCriticalOutputPending();
}
......
nx-X11/programs/Xserver/hw/nxagent/Args.c
View file @ 6884e6a5
......@@ -2538,26 +2538,10 @@ void nxagentSetBufferSize()
void nxagentSetScheduler()
{
#ifdef DISABLE_SMART_SCHEDULE
#ifdef SMART_SCHEDULE
#ifdef TEST
fprintf(stderr, "nxagentSetScheduler: Disabling the smart scheduler.\n");
#endif
nxagentDisableTimer();
#endif
#else /* #ifdef DISABLE_SMART_SCHEDULE */
/*
* The smart scheduler is the default.
*/
#ifdef SMART_SCHEDULE
if (nxagentOption(Shadow) == 1)
{
#ifdef TEST
......@@ -2566,10 +2550,6 @@ void nxagentSetScheduler()
nxagentDisableTimer();
}
#endif
#endif /* #ifdef DISABLE_SMART_SCHEDULE */
}
void nxagentSetCoalescence()
......
nx-X11/programs/Xserver/hw/nxagent/Display.c
View file @ 6884e6a5
......@@ -597,8 +597,6 @@ Display *nxagentInternalOpenDisplay(char *display)
int result;
#ifdef SMART_SCHEDULE
/*
* Stop the smart schedule timer since
* it uses SIGALRM as we do.
......@@ -606,8 +604,6 @@ Display *nxagentInternalOpenDisplay(char *display)
nxagentStopTimer();
#endif
/*
* Install the handler rejecting a possible
* loopback connection.
......@@ -678,16 +674,12 @@ static void nxagentDisplayBlockHandler(Display *display, int reason)
* for the remote display.
*/
#ifdef SMART_SCHEDULE
#ifdef DEBUG
fprintf(stderr, "nxagentDisplayBlockHandler: BLOCK! Stopping the smart schedule timer.\n");
#endif
nxagentStopTimer();
#endif
if (reason == NXBlockRead)
{
#ifdef DEBUG
......@@ -702,13 +694,9 @@ static void nxagentDisplayBlockHandler(Display *display, int reason)
nxagentBlocking = 1;
#ifdef SMART_SCHEDULE
if (SmartScheduleDisable == 1)
{
#endif
/*
* Let the dispatch attend the next
* client.
......@@ -723,12 +711,8 @@ static void nxagentDisplayBlockHandler(Display *display, int reason)
nxagentDispatch.in = nxagentBytesIn;
nxagentDispatch.out = nxagentBytesOut;
#ifdef SMART_SCHEDULE
}
#endif
/*
* Give a chance to the next client.
*/
......@@ -1022,12 +1006,8 @@ void nxagentInstallSignalHandlers()
* Reset the SIGALRM to the default.
*/
#ifdef SMART_SCHEDULE
nxagentStopTimer();
#endif
newAction.sa_handler = SIG_DFL;
sigfillset(&newAction.sa_mask);
......@@ -1040,8 +1020,6 @@ void nxagentInstallSignalHandlers()
FatalError("Can't set the handler for alarm signal.");
}
#ifdef SMART_SCHEDULE
/*
* Let the smart schedule set the SIGALRM
* handler again.
......@@ -1049,8 +1027,6 @@ void nxagentInstallSignalHandlers()
nxagentInitTimer();
#endif
/*
* Install our own handler for the SIGHUP.
*/
......@@ -1146,12 +1122,8 @@ void nxagentResetSignalHandlers()
* Reset the SIGALRM to the default.
*/
#ifdef SMART_SCHEDULE
nxagentStopTimer();
#endif
newAction.sa_handler = SIG_DFL;
sigfillset(&newAction.sa_mask);
......@@ -1164,8 +1136,6 @@ void nxagentResetSignalHandlers()
FatalError("Can't set the handler for alarm signal.");
}
#ifdef SMART_SCHEDULE
/*
* Let the smart schedule set the SIGALRM
* handler again.
......@@ -1173,7 +1143,6 @@ void nxagentResetSignalHandlers()
nxagentInitTimer();
#endif
}
void nxagentOpenDisplay(int argc, char *argv[])
......@@ -2969,16 +2938,12 @@ void nxagentWaitDisplay()
* Disable the smart scheduler's interrupts.
*/
#ifdef SMART_SCHEDULE
#ifdef DEBUG
fprintf(stderr, "nxagentWaitDisplay: Stopping the smart schedule timer.\n");
#endif
nxagentStopTimer();
#endif
if (nxagentDisplay != NULL)
{
#ifdef TEST
......
nx-X11/programs/Xserver/hw/nxagent/Display.h
View file @ 6884e6a5
......@@ -116,8 +116,6 @@ Bool nxagentReconnectDisplay(void *p0);
* Deal with the smart scheduler.
*/
#ifdef SMART_SCHEDULE
#define nxagentInitTimer() \
\
SmartScheduleInit();
......@@ -149,8 +147,6 @@ Bool nxagentReconnectDisplay(void *p0);
\
SmartScheduleDisable = 1;
#endif /* #ifdef SMART_SCHEDULE */
/*
* File descriptor currently used by
* Xlib for the agent display.
......
nx-X11/programs/Xserver/hw/nxagent/Handlers.c
View file @ 6884e6a5
......@@ -564,16 +564,12 @@ void nxagentBlockHandler(void * data, struct timeval **timeout, void * mask)
* the client is scheduled in.
*/
#ifdef SMART_SCHEDULE
#ifdef DEBUG
fprintf(stderr, "nxagentBlockHandler: Stopping the smart schedule timer.\n");
#endif
nxagentStopTimer();
#endif
nxagentPrintGeometry();
#ifdef BLOCKS
......@@ -601,13 +597,9 @@ void nxagentWakeupHandler(void * data, int count, void * mask)
nxagentHandleConnectionStates();
}
#ifdef SMART_SCHEDULE
if (SmartScheduleDisable == 1)
{
#endif
#ifdef DEBUG
fprintf(stderr, "nxagentWakeupHandler: Resetting the dispatch state after wakeup.\n");
#endif
......@@ -617,12 +609,8 @@ void nxagentWakeupHandler(void * data, int count, void * mask)
nxagentDispatch.in = nxagentBytesIn;
nxagentDispatch.out = nxagentBytesOut;
#ifdef SMART_SCHEDULE
}
#endif
/*
* Can become true during the dispatch loop.
*/
......@@ -897,13 +885,9 @@ void nxagentShadowWakeupHandler(void * data, int count, void * mask)
nxagentHandleConnectionStates();
}
#ifdef SMART_SCHEDULE
if (SmartScheduleDisable == 1)
{
#endif
#ifdef DEBUG
fprintf(stderr, "nxagentShadowWakeupHandler: Resetting the dispatch state after wakeup.\n");
#endif
......@@ -913,12 +897,8 @@ void nxagentShadowWakeupHandler(void * data, int count, void * mask)
nxagentDispatch.in = nxagentBytesIn;
nxagentDispatch.out = nxagentBytesOut;
#ifdef SMART_SCHEDULE
}
#endif
/*
* Can become true during the dispatch loop.
*/
......@@ -1095,13 +1075,9 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
#endif
}
#ifdef SMART_SCHEDULE
if (SmartScheduleDisable == 1)
{
#endif
/*
* Pay attention to the next client if this
* client produced enough output.
......@@ -1131,12 +1107,8 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
}
#endif
#ifdef SMART_SCHEDULE
}
#endif
return;
}
else if (in > 0)
......@@ -1178,13 +1150,9 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
* the inner dispatch loop forever.
*/
#ifdef SMART_SCHEDULE
if (SmartScheduleDisable == 1)
{
#endif
if (client -> index != nxagentDispatch.client)
{
#ifdef DEBUG
......@@ -1230,12 +1198,8 @@ void nxagentDispatchHandler(ClientPtr client, int in, int out)
#endif
}
#ifdef SMART_SCHEDULE
}
#endif
}
/*
......
nx-X11/programs/Xserver/hw/nxagent/NXdispatch.c
View file @ 6884e6a5
......@@ -241,9 +241,7 @@ Dispatch(void)
register ClientPtr client;
register int nready;
register HWEventQueuePtr* icheck = checkForInput;
#ifdef SMART_SCHEDULE
long start_tick;
#endif
unsigned long currentDispatch = 0;
......@@ -389,13 +387,11 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
#endif
#ifdef SMART_SCHEDULE
if (nready && !SmartScheduleDisable)
{
clientReady[0] = SmartScheduleClient (clientReady, nready);
nready = 1;
}
#endif
/*****************
* Handle events in round robin fashion, doing input between
* each round
......@@ -418,9 +414,7 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
isItTimeToYield = FALSE;
requestingClient = client;
#ifdef SMART_SCHEDULE
start_tick = SmartScheduleTime;
#endif
while (!isItTimeToYield)
{
if (*icheck[0] != *icheck[1])
......@@ -428,7 +422,6 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
ProcessInputEvents();
FlushIfCriticalOutputPending();
}
#ifdef SMART_SCHEDULE
if (!SmartScheduleDisable &&
(SmartScheduleTime - start_tick) >= SmartScheduleSlice)
{
......@@ -437,7 +430,6 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
client->smart_priority--;
break;
}
#endif
/* now, finally, deal with client requests */
#ifdef TEST
......@@ -535,11 +527,9 @@ Reply Total Cached Bits In Bits Out Bits/Reply Ratio
#endif
}
FlushAllOutput();
#ifdef SMART_SCHEDULE
client = clients[clientReady[nready]];
if (client)
client->smart_stop_tick = SmartScheduleTime;
#endif
requestingClient = NULL;
}
dispatchException &= ~DE_PRIORITYCHANGE;
......@@ -1318,9 +1308,7 @@ CloseDownClient(register ClientPtr client)
if (client->index < nextFreeClientID)
nextFreeClientID = client->index;
clients[client->index] = NullClient;
#ifdef SMART_SCHEDULE
SmartLastClient = NullClient;
#endif
free(client);
while (!clients[currentMaxClients-1])
......
nx-X11/programs/Xserver/include/dixstruct.h
View file @ 6884e6a5
......@@ -141,15 +141,12 @@ typedef struct _Client {
struct _FontResolution * (*fontResFunc) ( /* no need for font.h */
ClientPtr /* pClient */,
int * /* num */);
#ifdef SMART_SCHEDULE
int smart_priority;
long smart_start_tick;
long smart_stop_tick;
long smart_check_tick;
#endif
} ClientRec;
#ifdef SMART_SCHEDULE
/*
* Scheduling interface
*/
......@@ -170,8 +167,6 @@ extern Bool SmartScheduleStopTimer(void);
extern Bool SmartScheduleInit(void);
#endif
/* This prototype is used pervasively in Xext, dix */
#define DISPATCH_PROC(func) int func(ClientPtr /* client */)
......
nx-X11/programs/Xserver/os/WaitFor.c
View file @ 6884e6a5
......@@ -190,9 +190,7 @@ WaitForSomething(int *pClientsReady)
int nready;
fd_set devicesReadable;
CARD32 now = 0;
#ifdef SMART_SCHEDULE
Bool someReady = FALSE;
#endif
#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
fprintf(stderr, "WaitForSomething: Got called.\n");
......@@ -215,7 +213,6 @@ WaitForSomething(int *pClientsReady)
ProcessWorkQueue();
if (XFD_ANYSET (&ClientsWithInput))
{
#ifdef SMART_SCHEDULE
if (!SmartScheduleDisable)
{
someReady = TRUE;
......@@ -224,13 +221,11 @@ WaitForSomething(int *pClientsReady)
wt = &waittime;
}
else
#endif
{
XFD_COPYSET (&ClientsWithInput, &clientsReadable);
break;
}
}
#ifdef SMART_SCHEDULE
if (someReady)
{
XFD_COPYSET(&AllSockets, &LastSelectMask);
......@@ -238,7 +233,6 @@ WaitForSomething(int *pClientsReady)
}
else
{
#endif
wt = NULL;
if (timers)
{
......@@ -252,10 +246,8 @@ WaitForSomething(int *pClientsReady)
wt = &waittime;
}
XFD_COPYSET(&AllSockets, &LastSelectMask);
#ifdef SMART_SCHEDULE
}
SmartScheduleIdle = TRUE;
#endif
BlockHandler((void *)&wt, (void *)&LastSelectMask);
if (NewOutputPending)
FlushAllOutput();
......@@ -394,7 +386,6 @@ WaitForSomething(int *pClientsReady)
i = XTestProcessInputAction (i, &waittime);
}
#endif /* XTESTEXT1 */
#ifdef SMART_SCHEDULE
if (i >= 0)
{
SmartScheduleIdle = FALSE;
......@@ -402,7 +393,6 @@ WaitForSomething(int *pClientsReady)
if (SmartScheduleTimerStopped)
(void) SmartScheduleStartTimer ();
}
#endif
if (i <= 0) /* An error or timeout occurred */
{
#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_DEBUG)
......@@ -442,7 +432,6 @@ WaitForSomething(int *pClientsReady)
selecterr);
}
}
#ifdef SMART_SCHEDULE
else if (someReady)
{
/*
......@@ -452,7 +441,6 @@ WaitForSomething(int *pClientsReady)
XFD_COPYSET(&ClientsWithInput, &clientsReadable);
break;
}
#endif
#if defined(NX_TRANS_SOCKET)
if (*checkForInput[0] != *checkForInput[1])
{
......@@ -499,10 +487,8 @@ WaitForSomething(int *pClientsReady)
return 0;
}
}
#ifdef SMART_SCHEDULE
if (someReady)
XFD_ORSET(&LastSelectMask, &ClientsWithInput, &LastSelectMask);
#endif
if (AnyClientsWriteBlocked && XFD_ANYSET (&clientsWritable))
{
NewOutputPending = TRUE;
......
nx-X11/programs/Xserver/os/io.c
View file @ 6884e6a5
......@@ -430,11 +430,9 @@ ReadRequestFromClient(ClientPtr client)
FD_SET(fd, &ClientsWithInput);
else
{
#ifdef SMART_SCHEDULE
if (!SmartScheduleDisable)
FD_CLR(fd, &ClientsWithInput);
else
#endif
YieldControlNoInput();
}
}
......@@ -442,16 +440,12 @@ ReadRequestFromClient(ClientPtr client)
{
if (!gotnow)
AvailableInput = oc;
#ifdef SMART_SCHEDULE
if (!SmartScheduleDisable)
FD_CLR(fd, &ClientsWithInput);
else
#endif
YieldControlNoInput();
}
#ifdef SMART_SCHEDULE
if (SmartScheduleDisable)
#endif
if (++timesThisConnection >= MAX_TIMES_PER)
YieldControl();
#ifdef BIGREQS
......
nx-X11/programs/Xserver/os/osinit.c
View file @ 6884e6a5
......@@ -55,9 +55,7 @@ SOFTWARE.
#include "osdep.h"
#include <nx-X11/Xos.h>
#ifdef SMART_SCHEDULE
#include "dixstruct.h"
#endif
#ifndef PATH_MAX
#ifdef MAXPATHLEN
......@@ -216,11 +214,9 @@ OsInit(void)
* log file name if logging to a file is desired.
*/
LogInit(NULL, NULL);
#ifdef SMART_SCHEDULE
if (!SmartScheduleDisable)
if (!SmartScheduleInit ())
SmartScheduleDisable = TRUE;
#endif
OsInitAllocator();
if (!OsDelayInitColors) OsInitColors();
}
......
nx-X11/programs/Xserver/os/utils.c
View file @ 6884e6a5
......@@ -134,9 +134,7 @@ OR PERFORMANCE OF THIS SOFTWARE.
#include "opaque.h"
#ifdef SMART_SCHEDULE
#include "dixstruct.h"
#endif
#ifdef XKB
#include "xkbsrv.h"
......@@ -635,10 +633,8 @@ void UseMsg(void)
ErrorF("+rrxinerama Enable XINERAMA (via RandR) extension (default)\n");
ErrorF("-rrxinerama Disable XINERAMA (via RandR) extension\n");
#endif
#ifdef SMART_SCHEDULE
ErrorF("-dumbSched Disable smart scheduling, enable old behavior\n");
ErrorF("-schedInterval int Set scheduler interval in msec\n");
#endif
ErrorF("+extension name Enable extension\n");
ErrorF("-extension name Disable extension\n");
#ifdef XDMCP
......@@ -1038,7 +1034,6 @@ ProcessCommandLine(int argc, char *argv[])
i = skip - 1;
}
#endif
#ifdef SMART_SCHEDULE
else if ( strcmp( argv[i], "-dumbSched") == 0)
{
SmartScheduleDisable = TRUE;
......@@ -1062,7 +1057,6 @@ ProcessCommandLine(int argc, char *argv[])
else
UseMsg();
}
#endif
#ifdef RENDER
else if ( strcmp( argv[i], "-render" ) == 0)
{
......@@ -1367,8 +1361,6 @@ XNFstrdup(const char *s)
return ret;
}
#ifdef SMART_SCHEDULE
unsigned long SmartScheduleIdleCount;
Bool SmartScheduleIdle;
Bool SmartScheduleTimerStopped;
......@@ -1494,7 +1486,6 @@ SmartScheduleInit (void)
return FALSE;
#endif
}
#endif
#ifdef SIG_BLOCK
static sigset_t PreviousSignalMask;
......
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