diff options
author | jeff <jeff@FreeBSD.org> | 2008-04-11 03:27:42 +0000 |
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committer | jeff <jeff@FreeBSD.org> | 2008-04-11 03:27:42 +0000 |
commit | 88caf3bcc9a7a57216f179df093e02692dbc125e (patch) | |
tree | c3dbd7d7169829465c132fb2a50797f166aa89a8 /usr.bin/cpuset | |
parent | 8efb03d60e1c0395890e9ac099d156d71015b041 (diff) | |
download | FreeBSD-src-88caf3bcc9a7a57216f179df093e02692dbc125e.zip FreeBSD-src-88caf3bcc9a7a57216f179df093e02692dbc125e.tar.gz |
- Add support for interrupt bindig to cpuset(1). Interrupts are bound
by specifying the interrupt with -x <irq>. The irq number matches
those displayed by vmstat -i.
Sponsored by: Nokia
Diffstat (limited to 'usr.bin/cpuset')
-rw-r--r-- | usr.bin/cpuset/cpuset.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/usr.bin/cpuset/cpuset.c b/usr.bin/cpuset/cpuset.c index c31ebb7..5858a3d 100644 --- a/usr.bin/cpuset/cpuset.c +++ b/usr.bin/cpuset/cpuset.c @@ -2,6 +2,9 @@ * Copyright (c) 2007, 2008 Jeffrey Roberson <jeff@freebsd.org> * All rights reserved. * + * Copyright (c) 2008 Nokia Corporation + * All rights reserved. + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: @@ -51,6 +54,7 @@ int pflag; int rflag; int sflag; int tflag; +int xflag; id_t id; cpulevel_t level; cpuwhich_t which; @@ -149,7 +153,7 @@ printset(cpuset_t *mask) printf("\n"); } -const char *whichnames[] = { NULL, "tid", "pid", "cpuset" }; +const char *whichnames[] = { NULL, "tid", "pid", "cpuset", "irq" }; const char *levelnames[] = { NULL, " root", " cpuset", "" }; static void @@ -194,7 +198,7 @@ main(int argc, char *argv[]) level = CPU_LEVEL_WHICH; which = CPU_WHICH_PID; id = pid = tid = setid = -1; - while ((ch = getopt(argc, argv, "cgil:p:rs:t:")) != -1) { + while ((ch = getopt(argc, argv, "cgil:p:rs:t:x:")) != -1) { switch (ch) { case 'c': if (rflag) @@ -233,6 +237,11 @@ main(int argc, char *argv[]) which = CPU_WHICH_TID; id = tid = atoi(optarg); break; + case 'x': + xflag = 1; + which = CPU_WHICH_IRQ; + id = atoi(optarg); + break; default: usage(); } @@ -243,7 +252,7 @@ main(int argc, char *argv[]) if (argc || lflag) usage(); /* Only one identity specifier. */ - if (sflag + pflag + tflag > 1) + if (xflag + sflag + pflag + tflag > 1) usage(); if (iflag) printsetid(); @@ -257,7 +266,7 @@ main(int argc, char *argv[]) * The user wants to run a command with a set and possibly cpumask. */ if (argc) { - if (pflag | rflag | tflag) + if (pflag | rflag | tflag | xflag) usage(); if (sflag) { if (cpuset_setid(CPU_WHICH_PID, -1, setid)) @@ -283,7 +292,10 @@ main(int argc, char *argv[]) if (!lflag && !sflag) usage(); /* You can only set a mask on a thread. */ - if (tflag && (sflag || pflag)) + if (tflag && (sflag | pflag | xflag)) + usage(); + /* You can only set a mask on an irq. */ + if (xflag && (pflag | sflag | tflag)) usage(); if (pflag && sflag) { if (cpuset_setid(CPU_WHICH_PID, pid, setid)) @@ -313,8 +325,8 @@ usage(void) fprintf(stderr, " cpuset [-l cpu-list] [-s setid] -p pid\n"); fprintf(stderr, - " cpuset [-cr] [-l cpu-list] [-p pid | -t tid | -s setid]\n"); + " cpuset [-cr] [-l cpu-list] [-p pid | -t tid | -s setid | -x irq]\n"); fprintf(stderr, - " cpuset [-cgir] [-p pid | -t tid | -s setid]\n"); + " cpuset [-cgir] [-p pid | -t tid | -s setid | -x irq]\n"); exit(1); } |