From: Juergen Gross <juergen.gross@ts.fujitsu.com>
To: xen-devel@lists.xensource.com
Subject: [PATCH 1 of 5] xl sched-credit: support long options
Date: Mon, 28 Nov 2011 13:46:00 +0100 [thread overview]
Message-ID: <3a817a14e6a29657c8f7.1322484360@nehalem1> (raw)
In-Reply-To: <patchbomb.1322484359@nehalem1>
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The help text of xl sched-credit supported long options. Neither the man page
nor the implementation did.
Signed-off-by: juergen.gross@ts.fujitsu.com
2 files changed, 26 insertions(+), 7 deletions(-)
docs/man/xl.pod.1 | 15 ++++++++++-----
tools/libxl/xl_cmdimpl.c | 18 ++++++++++++++++--
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# HG changeset patch
# User Juergen Gross <juergen.gross@ts.fujitsu.com>
# Date 1322483011 -3600
# Node ID 3a817a14e6a29657c8f798987ccb1568a586ea70
# Parent 95d4e2e0bed374602b5a78ee004b057ad8715d65
xl sched-credit: support long options
The help text of xl sched-credit supported long options. Neither the man page
nor the implementation did.
Signed-off-by: juergen.gross@ts.fujitsu.com
diff -r 95d4e2e0bed3 -r 3a817a14e6a2 docs/man/xl.pod.1
--- a/docs/man/xl.pod.1 Fri Nov 25 20:32:05 2011 +0000
+++ b/docs/man/xl.pod.1 Mon Nov 28 13:23:31 2011 +0100
@@ -579,25 +579,30 @@ default B<credit> is used for scheduling
=over 4
-=item B<sched-credit> [ B<-d> I<domain-id> [ B<-w>[B<=>I<WEIGHT>] | B<-c>[B<=>I<CAP>] ] ]
+=item B<sched-credit> [I<OPTIONS>]
-Set credit scheduler parameters. The credit scheduler is a
+Set or get credit scheduler parameters. The credit scheduler is a
proportional fair share CPU scheduler built from the ground up to be
work conserving on SMP hosts.
Each domain (including Domain0) is assigned a weight and a cap.
-B<PARAMETERS>
+B<OPTIONS>
=over 4
-=item I<WEIGHT>
+=item B<-d DOMAIN>, B<--domain=DOMAIN>
+
+Specify domain for which scheduler parameters are to be modified or retrieved.
+Mandatory for modifying scheduler parameters.
+
+=item B<-w WEIGHT>, B<--weight=WEIGHT>
A domain with a weight of 512 will get twice as much CPU as a domain
with a weight of 256 on a contended host. Legal weights range from 1
to 65535 and the default is 256.
-=item I<CAP>
+=item B<-c CAP>, B<--cap=CAP>
The cap optionally fixes the maximum amount of CPU a domain will be
able to consume, even if the host system has idle CPU cycles. The cap
diff -r 95d4e2e0bed3 -r 3a817a14e6a2 tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c Fri Nov 25 20:32:05 2011 +0000
+++ b/tools/libxl/xl_cmdimpl.c Mon Nov 28 13:23:31 2011 +0100
@@ -3720,8 +3720,19 @@ int main_sched_credit(int argc, char **a
const char *dom = NULL;
int weight = 256, cap = 0, opt_w = 0, opt_c = 0;
int opt, rc;
-
- while ((opt = def_getopt(argc, argv, "d:w:c:", "sched-credit", 0)) != -1) {
+ int option_index = 0;
+ static struct option long_options[] = {
+ {"domain", 1, 0, 'd'},
+ {"weight", 1, 0, 'w'},
+ {"cap", 1, 0, 'c'},
+ {"help", 0, 0, 'h'},
+ {0, 0, 0, 0}
+ };
+
+ while (1) {
+ opt = getopt_long(argc, argv, "d:w:c:h", long_options, &option_index);
+ if (opt == -1)
+ break;
switch (opt) {
case 0: case 2:
return opt;
@@ -3736,6 +3747,9 @@ int main_sched_credit(int argc, char **a
cap = strtol(optarg, NULL, 10);
opt_c = 1;
break;
+ case 'h':
+ help("sched-credit");
+ return 0;
}
}
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next prev parent reply other threads:[~2011-11-28 12:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-28 12:45 [PATCH 0 of 5] v2: xl scheduler support Juergen Gross
2011-11-28 12:46 ` Juergen Gross [this message]
2011-11-28 12:46 ` [PATCH 2 of 5] Support cpupools in xl sched-credit Juergen Gross
2011-11-28 12:46 ` [PATCH 3 of 5] Support of xl sched-credit2 Juergen Gross
2011-11-28 12:46 ` [PATCH 4 of 5] Correct error message in libxl_sched_credit_domain_get() Juergen Gross
2011-11-28 12:46 ` [PATCH 5 of 5] Support of xl sched-sedf Juergen Gross
2011-12-01 18:41 ` [PATCH 0 of 5] v2: xl scheduler support Ian Jackson
-- strict thread matches above, loose matches on Subject: below --
2011-11-17 12:00 [PATCH 0 of 5] " Juergen Gross
2011-11-17 12:00 ` [PATCH 1 of 5] xl sched-credit: support long options Juergen Gross
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