This patch adds new --allphyscpubind/-A option to set cpu bind to all possible physical CPUs, not only to ones from the current cpuset as --physcpubind does now. We have discussed this topic about year ago here: http://thread.gmane.org/gmane.linux.kernel.numa/798 best regards, Petr H --- numactl-2.0.9-rc3/numactl.8 | 9 +++++++++ numactl-2.0.9-rc3/numactl.c | 11 ++++++++--- 2 files changed, 17 insertions(+), 3 deletions(-) diff --git a/numactl-2.0.9-rc3/numactl.8 b/numactl-2.0.9-rc3/numactl.8 index 576cdb6..197a43b 100644 --- a/numactl-2.0.9-rc3/numactl.8 +++ b/numactl-2.0.9-rc3/numactl.8 @@ -33,6 +33,8 @@ numactl \- Control NUMA policy for processes or shared memory ] [ .B \-\-physcpubind cpus ] [ +.B \-\-allphyscpubind cpus +] [ .B \-\-localalloc ] [\-\-] command {arguments ...} .br @@ -152,6 +154,13 @@ current cpuset. A !N-N notation indicates the inverse of N-N, in other words all cpus except N-N. If used with + notation, specify !+N-N. .TP +.B \-\-allphyscpubind=cpus, \-A cpus +Same as +.I \-\-physcpubind +but can bind +.I process +to all available physical CPUs, not only to CPUs from the current cpuset. +.TP .B \-\-localalloc, \-l Always allocate on the current node. .TP diff --git a/numactl-2.0.9-rc3/numactl.c b/numactl-2.0.9-rc3/numactl.c index e1d5487..afb883a 100755 --- a/numactl-2.0.9-rc3/numactl.c +++ b/numactl-2.0.9-rc3/numactl.c @@ -37,6 +37,7 @@ struct option opts[] = { {"cpubind", 1, 0, 'c' }, {"cpunodebind", 1, 0, 'N' }, {"physcpubind", 1, 0, 'C' }, + {"allphyscpubind", 1, 0, 'A'}, {"membind", 1, 0, 'm'}, {"show", 0, 0, 's' }, {"localalloc", 0,0, 'l'}, @@ -61,7 +62,7 @@ void usage(void) { fprintf(stderr, "usage: numactl [--interleave= | -i <nodes>] [--preferred= | -p <node>]\n" - " [--physcpubind= | -C <cpus>] [--cpunodebind= | -N <nodes>]\n" + " [--allphyscpubind= | -A <cpus>] [--physcpubind= | -C <cpus>] [--cpunodebind= | -N <nodes>]\n" " [--membind= | -m <nodes>] [--localalloc | -l] command args ...\n" " numactl [--show | -s]\n" " numactl [--hardware | -H]\n" @@ -443,10 +444,14 @@ int main(int ac, char **av) checkerror("sched_setaffinity"); break; case 'C': /* --physcpubind */ + case 'A': /* --allphyscpubind */ { struct bitmask *cpubuf; - dontshm("-C/--physcpubind"); - cpubuf = numa_parse_cpustring(optarg); + dontshm("-C/--physcpubind/-A/--allphyscpubind"); + if (c == 'C') + cpubuf = numa_parse_cpustring(optarg); + else + cpubuf = numa_parse_cpustring_all(optarg); if (!cpubuf) { printf ("<%s> is invalid\n", optarg); usage(); -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-numa" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
