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- add applet taskset to set/retrieve the CPU affinity of a process

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text    data     bss     dec     hex filename
    584       0       0     584     248 taskset.o.gcc-2.95
    509       0       0     509     1fd taskset.o.gcc-3.3
    505       0       0     505     1f9 taskset.o.gcc-3.4
    506       0       0     506     1fa taskset.o.gcc-4.0
    498       0       0     498     1f2 taskset.o.gcc-4.1
    495       0       0     495     1ef taskset.o.gcc-4.2-HEAD
This commit is contained in:
Bernhard Reutner-Fischer
2006-06-07 15:44:59 +00:00
parent ea93f8a397
commit 16d3e4e0af
6 changed files with 109 additions and 0 deletions
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1
include/applets.h
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@@ -262,6 +262,7 @@ USE_BB_SYSCTL(APPLET(sysctl, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_SYSLOGD(APPLET(syslogd, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_TAIL(APPLET(tail, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_TAR(APPLET(tar, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_TASKSET(APPLET(taskset, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_TEE(APPLET(tee, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_TELNET(APPLET(telnet, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_TELNETD(APPLET(telnetd, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))

17
include/usage.h
View File

@@ -2955,6 +2955,23 @@ USE_FEATURE_DATE_ISOFMT( \
"$ zcat /tmp/tarball.tar.gz | tar -xf -\n" \
"$ tar -cf /tmp/tarball.tar /usr/local\n"
#define taskset_trivial_usage \
"[OPTIONS] [mask] [pid | command [arg]...]"
#define taskset_full_usage \
"Set or get CPU affinity.\n\n" \
"Options:\n" \
"\t-p\toperate on an existing PID"
#define taskset_example_usage \
"$ taskset 0x7 ./dgemm_test&\n" \
"$ taskset -p 0x1 $!\n" \
"pid 4790's current affinity mask: 7\n" \
"pid 4790's new affinity mask: 1\n" \
"$ taskset 0x7 /bin/sh -c './taskset -p 0x1 $$'\n" \
"pid 6671's current affinity mask: 1\n" \
"pid 6671's new affinity mask: 1\n" \
"$ taskset -p 1\n"
"pid 1's current affinity mask: 3\n"
#define tee_trivial_usage \
"[OPTION]... [FILE]..."
#define tee_full_usage \