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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] Enhanced SEDF scheduler
ChangeSet 1.1159.170.102, 2005/01/28 11:51:45+00:00, sd386@xxxxxxxxxxxxxxxxx
Enhanced SEDF scheduler
tools/libxc/xc.h | 4
tools/libxc/xc_sedf.c | 18 -
tools/python/xen/lowlevel/xc/xc.c | 50 +--
tools/python/xen/xend/XendClient.py | 11
tools/python/xen/xend/XendDomain.py | 8
tools/python/xen/xend/server/SrvDomain.py | 5
tools/python/xen/xm/main.py | 10
xen/common/sched_sedf.c | 494 +++++++++++++++++++++++-------
xen/include/public/sched_ctl.h | 5
9 files changed, 446 insertions(+), 159 deletions(-)
diff -Nru a/tools/libxc/xc.h b/tools/libxc/xc.h
--- a/tools/libxc/xc.h 2005-05-09 14:04:00 -04:00
+++ b/tools/libxc/xc.h 2005-05-09 14:04:00 -04:00
@@ -243,11 +243,11 @@
int xc_sedf_domain_set(int xc_handle,
u32 domid,
- u64 period, u64 slice);
+ u64 period, u64 slice, u64 latency, u16 extratime,
u16 weight);
int xc_sedf_domain_get(int xc_handle,
u32 domid,
- u64* period, u64 *slice);
+ u64* period, u64 *slice, u64 *latency, u16
*extratime, u16* weight);
typedef evtchn_status_t xc_evtchn_status_t;
diff -Nru a/tools/libxc/xc_sedf.c b/tools/libxc/xc_sedf.c
--- a/tools/libxc/xc_sedf.c 2005-05-09 14:04:00 -04:00
+++ b/tools/libxc/xc_sedf.c 2005-05-09 14:04:00 -04:00
@@ -11,7 +11,7 @@
#include "xc_private.h"
int xc_sedf_domain_set(int xc_handle,
- u32 domid, u64 period, u64 slice)
+ u32 domid, u64 period, u64 slice,u64 latency, u16
extratime,u16 weight)
{
dom0_op_t op;
struct sedf_adjdom *p = &op.u.adjustdom.u.sedf;
@@ -21,12 +21,15 @@
op.u.adjustdom.sched_id = SCHED_SEDF;
op.u.adjustdom.direction = SCHED_INFO_PUT;
- p->period = period;
- p->slice = slice;
+ p->period = period;
+ p->slice = slice;
+ p->latency = latency;
+ p->extratime = extratime;
+ p->weight = weight;
return do_dom0_op(xc_handle, &op);
}
-int xc_sedf_domain_get(int xc_handle, u32 domid, u64 *period, u64 *slice)
+int xc_sedf_domain_get(int xc_handle, u32 domid, u64 *period, u64 *slice, u64*
latency, u16* extratime, u16* weight)
{
dom0_op_t op;
int ret;
@@ -39,7 +42,10 @@
ret = do_dom0_op(xc_handle, &op);
- *period = p->period;
- *slice = p->slice;
+ *period = p->period;
+ *slice = p->slice;
+ *latency = p->latency;
+ *extratime = p->extratime;
+ *weight = p->weight;
return ret;
}
diff -Nru a/tools/python/xen/lowlevel/xc/xc.c
b/tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c 2005-05-09 14:04:00 -04:00
+++ b/tools/python/xen/lowlevel/xc/xc.c 2005-05-09 14:04:00 -04:00
@@ -791,15 +791,14 @@
{
XcObject *xc = (XcObject *)self;
u32 domid;
- u64 period, slice;
+ u64 period, slice, latency;
+ u16 extratime, weight;
+ static char *kwd_list[] = { "dom", "period", "slice", "latency",
"extratime", "weight",NULL };
- static char *kwd_list[] = { "dom", "period", "slice", NULL };
-
- if( !PyArg_ParseTupleAndKeywords(args, kwds, "iLL", kwd_list, &domid,
- &period, &slice) )
+ if( !PyArg_ParseTupleAndKeywords(args, kwds, "iLLLhh", kwd_list, &domid,
+ &period, &slice, &latency, &extratime,
&weight) )
return NULL;
-
- if ( xc_sedf_domain_set(xc->xc_handle, domid, period, slice) != 0 )
+ if ( xc_sedf_domain_set(xc->xc_handle, domid, period, slice, latency,
extratime,weight) != 0 )
return PyErr_SetFromErrno(xc_error);
Py_INCREF(zero);
@@ -812,21 +811,24 @@
{
XcObject *xc = (XcObject *)self;
u32 domid;
- u64 period, slice;
-
+ u64 period, slice,latency;
+ u16 weight, extratime;
+
static char *kwd_list[] = { "dom", NULL };
if( !PyArg_ParseTupleAndKeywords(args, kwds, "i", kwd_list, &domid) )
return NULL;
if ( xc_sedf_domain_get( xc->xc_handle, domid, &period,
- &slice) )
+ &slice,&latency,&extratime,&weight) )
return PyErr_SetFromErrno(xc_error);
- return Py_BuildValue("{s:i,s:L,s:L}",
- "domain", domid,
- "period", period,
- "slice", slice);
+ return Py_BuildValue("{s:i,s:L,s:L,s:L,s:i}",
+ "domain", domid,
+ "period", period,
+ "slice", slice,
+ "latency", latency,
+ "extratime", extratime);
}
static PyObject *pyxc_shadow_control(PyObject *self,
@@ -1068,9 +1070,11 @@
(PyCFunction)pyxc_sedf_domain_set,
METH_KEYWORDS, "\n"
"Set the scheduling parameters for a domain when running with Atropos.\n"
- " dom [int]: domain to set\n"
- " period [long]: domain's scheduling period\n"
- " slice [long]: domain's slice per period\n"
+ " dom [int]: domain to set\n"
+ " period [long]: domain's scheduling period\n"
+ " slice [long]: domain's slice per period\n"
+ " latency [long]: domain's wakeup latency hint\n"
+ " extratime [int]: domain aware of extratime?\n"
"Returns: [int] 0 on success; -1 on error.\n" },
{ "sedf_domain_get",
@@ -1078,11 +1082,13 @@
METH_KEYWORDS, "\n"
"Get the current scheduling parameters for a domain when running with\n"
"the Atropos scheduler."
- " dom [int]: domain to query\n"
- "Returns: [dict]\n"
- " domain [int]: domain ID\n"
- " period [long]: scheduler period\n"
- " slice [long]: CPU reservation per period\n"},
+ " dom [int]: domain to query\n"
+ "Returns: [dict]\n"
+ " domain [int]: domain ID\n"
+ " period [long]: scheduler period\n"
+ " slice [long]: CPU reservation per period\n"
+ " latency [long]: domain's wakeup latency hint\n"
+ " extratime [int]: domain aware of extratime?\n"},
{ "evtchn_alloc_unbound",
(PyCFunction)pyxc_evtchn_alloc_unbound,
diff -Nru a/tools/python/xen/xend/XendClient.py
b/tools/python/xen/xend/XendClient.py
--- a/tools/python/xen/xend/XendClient.py 2005-05-09 14:04:00 -04:00
+++ b/tools/python/xen/xend/XendClient.py 2005-05-09 14:04:00 -04:00
@@ -273,11 +273,14 @@
'latency' : latency,
'xtratime': xtratime })
- def xend_domain_cpu_sedf_set(self, id, period, slice):
+ def xend_domain_cpu_sedf_set(self, id, period, slice, latency, extratime,
weight):
return self.xendPost(self.domainurl(id),
- {'op' : 'cpu_sedf_set',
- 'period' : period,
- 'slice' : slice })
+ {'op' : 'cpu_sedf_set',
+ 'period' : period,
+ 'slice' : slice,
+ 'latency' : latency,
+ 'extratime' : extratime,
+ 'weight' : weight })
def xend_domain_maxmem_set(self, id, memory):
return self.xendPost(self.domainurl(id),
diff -Nru a/tools/python/xen/xend/XendDomain.py
b/tools/python/xen/xend/XendDomain.py
--- a/tools/python/xen/xend/XendDomain.py 2005-05-09 14:04:00 -04:00
+++ b/tools/python/xen/xend/XendDomain.py 2005-05-09 14:04:00 -04:00
@@ -660,12 +660,12 @@
except Exception, ex:
raise XendError(str(ex))
- def domain_cpu_sedf_set(self, id, period, slice):
- """Set Atropos scheduler parameters for a domain.
+ def domain_cpu_sedf_set(self, id, period, slice, latency, extratime,
weight):
+ """Set Simple EDF scheduler parameters for a domain.
"""
- dominfo = self.domain_lookup(id)
+ dominfo = self.domain_lookup(id)
try:
- return xc.sedf_domain_set(dominfo.dom, period, slice)
+ return xc.sedf_domain_set(dominfo.dom, period, slice, latency,
extratime, weight)
except Exception, ex:
raise XendError(str(ex))
diff -Nru a/tools/python/xen/xend/server/SrvDomain.py
b/tools/python/xen/xend/server/SrvDomain.py
--- a/tools/python/xen/xend/server/SrvDomain.py 2005-05-09 14:04:00 -04:00
+++ b/tools/python/xen/xend/server/SrvDomain.py 2005-05-09 14:04:00 -04:00
@@ -138,7 +138,10 @@
fn = FormFn(self.xd.domain_cpu_sedf_set,
[['dom', 'str'],
['period', 'int'],
- ['slice', 'int']])
+ ['slice', 'int'],
+ ['latency', 'int'],
+ ['extratime', 'int'],
+ ['weight', 'int']])
val = fn(req.args, {'dom': self.dom.id})
return val
diff -Nru a/tools/python/xen/xm/main.py b/tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py 2005-05-09 14:04:00 -04:00
+++ b/tools/python/xen/xm/main.py 2005-05-09 14:04:00 -04:00
@@ -606,14 +606,14 @@
info = """Set simple EDF parameters."""
def help(self, args):
- print args[0], "DOM PERIOD SLICE"
+ print args[0], "DOM PERIOD SLICE LATENCY EXTRATIME WEIGHT"
print "\nSet simple EDF parameters."
def main(self, args):
- if len(args) != 4: self.err("%s: Invalid argument(s)" % args[0])
- dom = args[1]
- v = map(int, args[2:4])
- server.xend_domain_cpu_sedf_set(dom, *v)
+ if len(args) != 7: self.err("%s: Invalid argument(s)" % args[0])
+ dom = args[1]
+ v = map(int, args[2:7])
+ server.xend_domain_cpu_sedf_set(dom, *v)
xm.prog(ProgSedf)
diff -Nru a/xen/common/sched_sedf.c b/xen/common/sched_sedf.c
--- a/xen/common/sched_sedf.c 2005-05-09 14:04:00 -04:00
+++ b/xen/common/sched_sedf.c 2005-05-09 14:04:00 -04:00
@@ -13,7 +13,7 @@
#include <xen/time.h>
#include <xen/slab.h>
-#define SEDFLEVEL 0
+#define SEDFLEVEL 2
#define PRINT(_f, _a...) \
if ((_f)<=SEDFLEVEL) printk(_a );
@@ -26,50 +26,104 @@
#define TRC_SEDF 0xBEEF0000
+#define EXTRA_NONE (0)
+#define EXTRA_AWARE (1)
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